Abbott, M. B. 
About (this website) 
abutment and pier scour using Melville equation, online 
Achiving salt balance in Tulare Lake basin, California 
advective precipitation 
Aforo del Arroyo guadalupe en la Estación Agua Caliente 
Aforo en Agua Caliente Arroyo Guadalupe, Ensenada, México 
age of impermanence, The 
agricultural sustainability 
agua subterránea? ¿Quién es dueño del    
agua subterránea, rendimiento sostenible 
Aguaje de la Tuna debris basins 
Aguaje de la Tuna presas de retención de sedimentos 
  
Aguaje de la Tuna watershed 
albedo and water resources 
All-American Canal, California, webvideo,  
 
 all series of dimensionless unit hydrographs by the cascade of linear reservoirs, online  
  
alluvial bed transients 
alluvial channels 
alluvial channel bed transients 
alternativas de saneamiento, comparación 
alternative sanitation 
Altiplano drainage basin, South America 
Amazon rainforest 
Amazon rainforest help in taking up excess carbon from the air, will the     
Amazon river width and depth  at Obidos narrows 
Amazon river flow 
Amazon tidal bore  
Amazon tidal bore pictorial 
Amazon tidal bore pictorial: Bank erosion 
Amphipoda Hyalella en Los Baños de Inca, Cajamarca, Perú 
Annual isohyets for Argentina 
Annual isohyets for Cajamarca, Peru 
Annual isohyets for Ecuador 
Annual isohyets for Germany 
Annual isohyets for Huanuco, Peru 
Annual isohyets for India 
Annual isohyets for India 02 
Annual isohyets for Iran 
Annual isohyets for Mexico 
Annual isohyets for Peru 
Annual isohyets for Texas 
Antonio Armijo 
applicability of kinematic and diffusion models 
applications of open-channel flow, openchannel012, webvideo 
approaches to engineering hydrology  
aquifer parameters 
Araguari river tidal bore pictorial 
Araguaia flood plain 
Archaeological tours, virtual 
arabic to roman numeral conversion 
Arequipa, video 
arenas en el valle de Guadalupe, Baja California, México, extracción de 
Arizona crossings 
Arizona roll-wave photos 
Argentina 
Aristotle 
arquitectura fluvial sustentable, ejemplos  
Arquitectura fluvial sustentable en el  Arroyo Alamar 
Arquitectura fluvial sustentable, Arroyo Alamar 
Arroyo Alamar, análisis granulométrico 
Arroyo Alamar, arquitectura fluvial sustentable, diseño 
Arroyo Alamar, arquitectura fluvial sustentable 
Arroyo Alamar, arquitectura sustentable, reporte final 
Arroyo Alamar, Baja California 
Arroyo Alamar, cámara virtual 
Arroyo Alamar, grainsize analysis of soil samples 
Arroyo Alamar, hidrología de avenidas 
Arrhenius, Svante, A tribute to 
Arrhenius, Svante: On the influence of carbonic acid in the air upon the temperature of the ground 
Arroyo Alamar, hydroecological characterization 
Arroyo Alamar, movies 
Arroyo Alamar, películas 
Arroyo Alamar, perspectives 
Arroyo Alamar, perspectivas 
Arroyo Alamar, proyecto de rehabilitación 
Arroyo Alamar, sustainable architecture final report 
Arroyo Alamar, sustainable river architecture design 
Arroyo Alamar, virtual camera 
Arroyo El Barbon 
Arroyo Tecate, hidrologia de avenidas 
ARS lab in Tucson 
ASCE Hurricane Katrina Report: Design frequency quote (page 73) 
Ash Creek and Sawyer Spring surface-water/groundwater interactions 
Atoyac river, Oaxaca, Mexico 
Att-Kin model 
Attenuation-Kinematic model 
available resources online for textbook "Engineering Hydrology"  
Avalanche in Yungay, Peru, on May 30, 1970 
   
Average annual precipitation in California 
Average annual runoff in California 
 
A2 water-surface profile online 
A3 water-surface profile online 
 
  
background place 
Baja California 
Baja, California 
Bajo de San Julian, Argentina 
balance de sales, escorrentía sostenible para el  
Baños de Nezahualcoyotl, Texcoco, Mexico   
baseflow augmentation 
baseflow augmentation by streambank storage, literature review 
baseflow augmentation strategies 
baseflow augmentation strategies 2 
baseflow modeling 
basin salinity, the facts about river 
basin salt balance, sustainable runoff for  
Battelle Environmental Evaluation System for water resource planning, The  
Bear Creek: riparian restoration 
bed-transient modeling 
bed-transient modeling: convergence 
beehive 
Benito, Hugo 
Ben-Zvi, Arie, legacy tale 
Bihar 
Blaney-Criddle 
Blaney-Criddle method 
Blaney-Criddle method online 
Blaney-Criddle en linea 
Birpur, Patna, India 
Birpur, Patna, India 2 
Biosphere, The 
Bonneville Dam 
bosques de neblina de Kañaris, Lambayeque, Perú, webvideo 
Boulevard energy, cumulative impacts 
Boulevard wind, Shu'luuk wind project, Campo Indian reservation 
Bovolin, Vittorio 
Bowen 
Brawley wetland 
Brazil 
Brazilian Northeast 
Brazilian savanna vegetation 
bridge scour 
bridge-ford 
broad-crested weir, the, webvideo 
 
browser safe colors (on the web) 
Brune figure for reservoir sedimentation 
Brune, vida útil de un reservorio 
Budyko and Drozdov 
Budyko hydroclimatological model 
Budyko hydroclimatological model, legacy tale 
Buho Mitico, Lambayeque, Peru webvideo 
 
  
Cabana-Mañazo  
Cáceres, legacy tale    
Cairo, Illinois, The 2011 Mississippi-Ohio river flood, webvideo 
 
calculation of flood discharge by the Creager formula, online 
 calculation of total sediment load by the Modified Einstein Procedure, online  
calculator 
calculator of salinity, EC to TDS calculator of the rational method 
calculator2  
calculator3 
calculator, scientific 
cálculo de frecuencia de avenidas por el método de Gumbel   
cálculo de frecuencia de avenidas por el método de Log Pearson III   
cálculo del tirante normal en un canal prismático 
cálculo de la profundidad normal en un canal prismático 
cálculos hidráulicos e hidrológicos en línea   
calendar, perpetual  
California aqueduct, webvideo 
California Aqueduct The 
California average annual precipitation 
California Scenario: The Noguchi Sculpture Garden  
 
calculador del método racional  
cambio climático debido a la explotación de agua subterránea 
Camp Creek, Oregon: Photos (2004) 
Camp Creek, Oregon: livestock exclusion 
Camp Creek, Oregon: 1989-2004 
Camp Creek, Oregon: riparian restoration 
Camp Creek, Severance reservoir: 1989-2004 
Camp Creek, Oregon: 15-yr assessment of aggradation  
Campo landfill on the Tierra del Sol watershed, impact  
 Campo landfill project, Comments to the DSEIS    
Campo valley hydrology history 
Campo Weather Station, Campo, California, The 
Campus map, SDSU 
Canal del Trabajador 
Canal del Trabajador 2 
Canal do Trabalhador 2 
Canal do Trabalhador, Ceara, Brazil 
Canal inerentemente estável com computação online 
Cantayoc aqueduct 
															   
Cantona, La Casa del Sol 
Cañada Joe Bill, photos 
Cañaris,  or Kañaris, Lambayeque, Perú, los bosques de neblina de, webvideo 
capões 
Caral, video 
Carampoma 
Carbon Cycle, The 
Carlos Rodríguez 
Cascadas de Tulimán Zacatlán de las Manzanass, Puebla, México 
cascade of linear reservoirs   
Carquinez Breakthrough 
cascade of linear reservoirs online 
 cascade of linear reservoirs, online calculation of unit hydrograph by the  
cascade of linear reservoirs, webvideo  
Cascade Style Sheets (CSS) Primer 
case of drainage, A     
Casiquiare Canal 
Cataratas de Huancaya, Yauyos, Peru 
catchment, the, webvideo 
catchment routing with diffusion waves     
catchment routing with kinematic waves     
catchment water balance, application  
catchment water balance, formulation 
cause of meanders 
Ceará, Brasil 
celerity in shallow wave propagation 
celerity of transient bed profiles 
Cempoala, Mexico 
Chaco hydrology 
Challenge at Glen Canyon 
Challenge at Glen Canyon Dam video, part 1 
Challenge at Glen Canyon Dam video, part 2 
Challenge at Glen Canyon Dam video, part 3 
Chalma, El Cristo de 
Chan Chan, La Libertad, Peru webvideo 
change in unit hydrograph duration by S-hydrograph, online 
channel friction attenuate a hydrograph? Does 
channel transition function, the 
Chankillo, The Solar Observatory of, webvideo 
Chankillo, Peru 
Chankillo Towers, Peru 
channel design, webvideo 
Charles Warren Thornthwaite 
Chege, Lucy, interview on global warming 
Chebotarev, I. I., salinity of groundwaters, webvideo 
Chezy 
Chezy formula, history 
choice between groundwater use and ecosystem preservation, the 
choice photo 
Chow on tidal waves, photo 
Chow, Froude and Vedernikov 
Chow on Vedernikov number 
Chow V. T. Example 3-4 Momentum Principle 
Chuharkana, Pakistan, legacy tale 
Cipolletti weir, online calculation 
circular culvert or pipe, critical  depth in a      
circular culvert, normal depth in a partially full     
circulation in two-dimensional depth-averaged flow 
CIVE395: Introduction to civil engineering design 
CIVE401: Civil engineering and society 
CIVE444: Applied hydraulics 
CIVE445: Applied hydrology 
CIVE530: Open-channel hydraulics 
CIVE632: Computational hydraulics and hydrology 
CIVE633: Environmental hydrology 
CIVE634: Surface-water hydrology 
Clark 
Clark: Storage and the unit hydrograph   
Clark unit hydrograph  
Clark unit hydrograph, webvideo  
Clark unit hydrograph, comparison of two types  
Clark unit hydrograph online    
classification of catchment models      
classification of open-channel flow regimes 
climate change 
climatic changes in the Ojos Negros valley 
Colby 1957 method  
Colby 1964 method 
Colby, en línea descarga de arenas por el método de     
Colby (1964) method online       
Colby 1957 method online       
Colby method, applicability 
Colca Canyon, Peru, legacy tale 
Colca Canyon, Peru, legacy tale 2 
Colca Canyon, Peru, legacy tale 3 
Cole's savanna vegetation of Brazil 
color palette (Prof. Ponce's) 
Colorado State University 
Colorado State University, Vujica Yevjevich, legacy tale 
Comalcalco 
Comisión Nacional del Agua, estimación del gasto máximo de diseño    Comments to the DSEIS, Campo landfill project    
Commons, Tragedy of the  
Commons Revisited, Tragedy of the, online video 
comparación entre diversas alternativas de saneamiento 
Comparación entre modelos de flujo de agua superficial 
comparison between overland flow models 
comparison between sanitation alternatives 
computational hydraulics and hydrology 
computational hydrology 
computation of uniform flow, openchannel054, webvideo 
     
comparison of kinematic, diffusion, and dynamic models 
comparison of weirs for discharge measurement in open-channel flow 
comparison of traditional flood routing techniques with the complete equations (1987) 
competition between kinematic and dynamic waves 
 computation of total sediment load by the Modified Einstein Procedure, online  
computation of "z" for use in the Modified Einstein Procedure 
condor, the ways of the 
Conferencia No. 1 en la Universidad Nacional de Cajamarca, 2016 
Conferencia No. 2 en la Universidad Nacional de Cajamarca, 2016 
Constantine Papadakis, In Memoriam  
constructed wetland at Cucuchucho, Michoacan, Mexico 
Contact Us 
Contact Us 2 
Contact Us 3 
Control de sedimentos en el Aguaje de la Tuna 
control of flow, openchannel042, webvideo 
controversia de la onda cinemática 
convection computations 
convection computations: unconditional stability 
convection-diffusion-dispersion equation 
convergence of four-point implicit water wave models 
convergence of implicit bed transient models 
conversion of arabic to roman numeral 
convex method 
convolution online    
convolution, webvideo 
 contracted rectangular weir, online calculation  
coquillo, nutsedge 
Coriolis force, effect on meandering 
Cottonwood Creek, California 
Courant number, legacy tale 
Courant number, definition 
Coutinho, Miguel 1 
Coutinho, Miguel 2 
Craya on the criterion for the possibility of roll-wave formation 
Creager curve 
Creager formula, online 
Creager and flood wave diffusion 
critical and normal depth in a prismatic channel, online  
critical  depth in a circular culvert or pipe, online   
critical depth in a prismatic channel, online  
 
critical flow, openchannel041, webvideo 
critical flow in width constriction, calculation of 
critical flow in width constriction, calculation of (one form) 
critical slope, gradually varied flow profiles using 
 critical shear stress versus critical velocity 
 
critical slope in a prismatic channel, online calculation 
cross-sectional shape on channel hydraulics, effect of, legacy tale    
Crossing the El Cora Ford on a motorcyle 
cruces de ríos en zonas áridas 
CSS Primer (Cascade Style Sheets Primer) 
Cuajone (Moquegua, Peru) photos 
Cuál es la profundidad relativa para alcanzar el caudal máximo en una alcantarilla circular? 
¿Cuánta agua puede ser bombeada de un acuífero sin que éste deje de ser sostenible? Presentación 
cuánta agua subterránea es posible bombear de una manera sostenible  
Cucuchucho constructed wetland 
Cucuchucho constructed wetland (subdomain) 
Cuelap, Peru 
Cuentos de legado 
Cuentos de legado: El primer año 
Cuentos de legado: El segundo año 
Cuentos de legado: El tercer año 
Cuentos de legado: El cuarto año 
Cuentos de legado: El quinto año 
Cuentos de legado: El sexto año 
Cuentos de legado: El séptimo año 
Cuexcomate, Volcan, webvideo 
Cuicocha Lagoon, Imbabura, Ecuador 
 
culvert hydraulics, webvideo 
 
culverts photo gallery 
Cunge 
Cunge on the Muskingum method 
curve number online      
curva de gasto de sedimentos  
C1 water-surface profile online 
C3 water-surface profile online 
 
  
Dalton 
dam-breach flood propagation using dimensionless parameters 
dam-breach flood propagation using dimensionless parameters, explanation 
dam-breach geometry: case studies 
dam-breach geometry and peak outflow characteristics 
dam-breach modeling: gradual breaches 
Darcy 
Data bank on the glaciers of the White Range of Peru 
debris basins  
debris flows photographs 
deep percolation 
Definitino sketch for open-channel flow 
Definitino sketch for reservoir storage volumes 
Definición de volúmenes para el diseño de presas 
Dendy-Bolton method, online  
Dendy-Bolton, método en línea        
Departamento Nacional de Obras Contra Secas 
descarga de arenas por el método de Colby, en línea     
descarga en una alcantarilla circular, cálculo de la    
design of channel transitions 
 
design return period, Q&A    
design velocities for vegetated and gabion-lined channels 
deslizamiento de La Cano, video 
deslizamientos del valle de Vítor    
deterministic hydrology 
deterministic and stochastic hydrology 
Devils Postpile National Monument, California, webvideo 
diffusion wave routing accuracy criteria 
diffusion wave equation, generalized 
diffusion waves      
diffusion wave modeling 
diffusion wave modeling of catchment dynamics 
 diffusion waves, webvideo 
 
dimensionless dam-breach propagation 
dimensionless overland flow hydrographs 
dimensionless unit hydrograph, general 
dimensionless unit hydrograph by the cascade of linear reservoirs, online  
direct-step method, webvideo 
 
discharge coefficient 
discharge in a circular culvert online 
discharge in a prismatic channel, calculation of 
discharge in a prismatic channel, calculation of (one form) 
discharge in parallel pipes under turbulent flow, calculation of  
discharge of sands by the Colby method, online       
discharge over a broad-crested weir, calculation 
discharge over a broad-crested weir, calculation of (one form) 
discharge under a sluice gate, calculation of 
discharge under a sluice gate, calculation of, one form 
does channel friction attenuate a hydrograph? 
DO online 
DO sag analysis online 
Dooge 
Dooge on mathematical simulation of surface flow 
Draft Supplemental Environmental Impact Statement, Campo landfill project, Comments     
drainage to coastal waters  
drought 
drought amelioration 
drought and flood management 
drought characterization across climatic spectrum 
drought characterization across climatic spectrum 2 
drought characterization in Ojos Negros valley 
drought characterization in Ojos Negros valley 2 
drought frequency    
drought in Ojos Negros valley 
drought polygon, Brazil 
drought, untimely, legacy tale 
droughts and floods in Brazilian Northeast 
drought hydrology, legacy tale 
dry ecological latrines 
dry ecological latrines: facts 
 DSEIS, Comments to, Campo landfill project     
dueño del agua subterránea? Quién es 
Duboys formula, online  
   
dynamic waves, introduction  
dynamic waves, legacy tale  
dynamic waves, webvideo  
 
  
earthquake, the 100-yr frequency 
Earth dam designs (Sherard, et al) 
EC to TDS, salinity calculator ecolatrine 
ecoletrina 
Ecological discharge, Kyle Sandera 
ecological latrine design 
Ecosystems of the La Leche river basin, Lambayeque, Peru 
ecosistemas del distrito de Kañaris, Lambayeque, Perú, webvideo 
Edifica 2013, El Agua frente al Cambio, webvideo 
Efeito do atrito na curva-chave sedimentométrica  Apresentação 
effect of cross-sectional shape on channel hydraulics, legacy tale 
effect of form friction in the sediment rating curve 
effect of global climate change on the White Range of Peru 
Efecto de la extracción de arenas en el Puente Guadalupe 
efficiency of the hydraulic jump, legacy tale 
efficiency of the hydraulic jump, proof of Eq. 15-1 in Ven T. Chow's book 
Einstein's bedload function 
Einstein's bedload function graphs 
Einstein on meanders 
Einstein on meanders, legacy tale 
el abc del sanitario ecológico seco 
El Aguafe de La Tuna, Tijuana 
El Agua Frente al Cambio (2013) 
El Árbol del Amor, Huánuco, Perú 
El Árbol del Tule, Oaxaca, México 
El Bosque Petrificado Piedra Chamana 
					       
El Brujo, Huaca, La Libertad, Peru webvideo 
El Canal Cumbemayo, Cajamarca, Perú 
El Canal Cumbemayo, Cajamarca, Perú [2] 
El canal inherentemente estable con computación en línea 
El canal inherentemente estable con computación en línea: Poster Extended 
El canal inherentemente estable con computación en línea: Poster Simplified 
El Capitan Dam and Reservoir 
El Centro earthquake, eyewitness report, webvideo 
El Centro Earthquake The 1940 
El dilema entrel el uso del agua subterránea y la preservación del ecosistema Presentación 
El modelo hidroclimatológico de Budyko 
El Niño facts 
El Niño, fenómeno de 
El Salto, Santa Rosa Canyon II, Baja California, Mexico 
El sistema de condificación Pfafstetter para la identificación de cuencas hidrográficas 
El Sistema de Drenaje de la Ciudad de México 
El Tajin 
El Tortugario de Cuyutlán, Colima, México 
El vado puente 
Embankment dam breaching: geometry and peak outflow 
Emil Julius gumbel and the Gumbel Distribution 
Emperor's new clothes, The 
Energy Cycle of the Biosphere, The 
Energy Cycle of the Earth, The 
energy loss in a hydraulic jump, calculation 
energy loss in a hydraulic jump, calculation of (one form) 
energy principle, openchannel031, webvideo 
engineering hydrology 
Engineering Hydrology: Principles and Practices, resources available online   
Engineering Hydrology 010, webvideo   
en línea criterio de Shields para el inicio de movimiento 
 
en línea cálculos hidráulicos e hidrológicos   
 en línea descarga en una alcantarilla circular    
en línea descarga de arenas por el método de Colby    
 en línea descarga en un canal prismático    
  
en línea Gumbel  
en línea Log Pearson III 
en línea método gráfico TR55 para descargas de avenida 
en línea escorrentía basada en el número de la curva 
 
en línea tiempo de concentración   
 en línea tirante normal en un canal prismático    
en línea tránsito de avenidas por el método del indicador de capacidad 
 en línea vida util de un reservorio [cálculo de la]    
 
 entrega de sedimentos por Dendy-Bolton, método en línea 
Entrevista con Federico garcía Álvarez  
Entrevista en la Universidad Tecnica Particular de Loja  
       
Environmental Evaluation System for water resource planning, The Battelle 
       
environmental hydrology 
Environmental impact assessment of the La Leche river flood control project 
environmental impact of dams 
environmental impacts of development projects 
environmental impact of Parana-Paraguay waterway 
environmental impact, the Leopold matrix for evaluating 
epilogue 
equations of groundwater flow 
equilibrium shape of self-formed channels in noncohesive alluvium, The 
Erosion photo gallery 
Erosion control photo gallery 
ERP Report: What Wen Wrong and Why (The ASCE Hurricane Katrina Report, 2007), The  
Escondido Crek, San Diego, California 
escorrentía basada en el número de la curva, en línea  
escorrentía sostenible para el balance de sales  
ese es el que nos saltamos, animation video  
Estero Palo Verde, Cuyutlán, Colima, México  
estimación del gasto máximo de diseño en la obras hidráulicas  
estimation of curve numbers, webvideo 
estimation of friction coefficient, openchannel053, webvideo 
     
estudios holísticos del agua subterránea     
Etla, Oaxaca, Mexico 
evaluating environmental impact, the Leopold matrix for 
Evaluation System for water resource planning, The Battelle Environmental 
evaporation ponds  
evaporation, webvideo 
evapotranspiration by Blaney-Criddle method online 
evapotranspiration, online calculation 
evapotranspiration, webvideo 
Everglades hummocks 
evolution of sand mining pits in alluvial rivers 
Extracción de arenas en el Arroyo El Barbón  
Extracción de arenas en el Arroyo El Guadalupe  
extracción de arenas en el valle de Guadalupe, Baja California, México  
 
  
facets of hydrology 
facetas de la hidrología 
factors affecting precipitation 
factores que afectan la precipitación 
facts about groundwater sustainability, the 
facts about river basin salinity, the 
facts about San Joaquin valley drainage, the 
fall velocity of a spherical sediment particle, online 
fauna de la cuenca del río La Leche, Lambayeque, Perú 
fauna of the La Leche river basin, Lambayeque, Peru 
Feather river 
Feather River Coordinated Resource Management Group 
Feldman, Arlen 
field data of questionable quality, legacy tale    
Fish Ladders at Bonneville Dam Oregon and Washington, The 
   
flood frequency analysis 
flood frequency methods, webvideo 
 
flood hydrology and catchment scale       
flood hydrology of Arroyo Alamar 
flood hydrology of Tecate Creek, Baja California 
flood hydraulics of Tecate Creek, Baja California 
flood hydrology of the La Leche river 
flood proofing 151023 
flood pulse, nutrient balance under  
flood routing, webvideo 
Flood of rio Tancochin, Amatlan, Veracruz, Mexico, August 12, 2012. 
Floods of March 1991 in Santa Barbara County, California, video, part 1 
Floods of March 1991 in Santa Barbara County, California, video, part 2 
floods photo gallery  
flood routing 
flood wave propagation (Hayami) 
Flores Valera, Jenny  
flow of the Amazon river 
Flow of the Amazon river, legacy tale 
flow regimes of open-channel flow, openchannel013, webvideo 
flujo permanente vs flujo no permanente con HEC-RAS 
fluvial morphology in hydraulic engineering, the importance of 
ford-bridge 
 
form and substance 
form friction in the sediment rating curve, effect of 
formulas to calculate the coordinates of the intersection O of two curves in x-y space 
Fortaleza, Ceara, Brazil 
Fortran book 
Fortran book: Contents 
Fortran book Chapter 1:  Overview 
Fortran book Chapter 2:  Basic Input/Output 
Fortran book Chapter 3:  Declaration Statements 
Fortran book Chapter 4:  Conditional Statements 
Fortran book Chapter 5:  Assignment Statements 
Fortran book Chapter 6:  Formatted Input/Output 
Fortran book Chapter 7:  Do Loops 
Fortran book Chapter 8:  Subscripted Variables 
Fortran book Chapter 9:  Functions and Subroutines 
Fortran book Chapter 10:  Additional Features 
Fortran book Chapter 11:  Miscellaneous Statements 
Fortran language 
fossil fuel use 
Fray Bartolome de las Casas 
Fread, Dr. Danny, In Memoriam 
free-surface instability 
free-surface instability:  effect of cross-sectional shape 
free-surface instability:  effect of cross-sectional shape 2 
frequency analysis, webvideo 
 friction relation of open-channel flow, openchannel014, webvideo 
Friedkin's laboratory study of meandering of alluvial streams 
Froude 
					       Froude and Vedernikov; Chow 
Froude, legacy tale 
Froude number, initiation of motion based on  
Froude number, history of the 
función natural de los ríos, la 
function of rivers, The natural 
function of rivers, The natural, webvideo 
Fundamentals of Open-channel Hydraulics - Dr. Victor M. Ponce, 2015. 
Fundamentos de la Hidráulica de Canales - Dr. Victor M. Ponce, 2015. 
 
  
Gallito Ciego Spillway, Cajamarca, Peru 
Ganga Plains Regional Center 
					       
Garu, zona arqueologica de, Huanuco, Peru, webvideo 
gasto máximo de diseño de las obras hidráulicas 
general dimensionless unit hydrograph 
      
generalized diffusion wave equation 
geology of Lima, legacy tale   
geophagy   
Gessler, Johannes 
Glen Canyon Dam video, Challenge at, part 1 
Glen Canyon Dam video, Challenge at, part 2 
Glen Canyon Dam video, Challenge at, part 3 
global carbon cycle   
global climate change 
global warming 
global warming, interview by Lucy Chege 
global warming, interview by Jun Jin 
global warming (Legacy Tale) 
global warming, uncommon sense 
Global Warming [Wikipage] 
global warming facts  
global warming predicament  
global warming, the science of 
gold jaguars from Pampa Grande 
Goats on Dam 
Google primer  
gradual dam breaches 
gradually varied flow, webvideo 
gradually varied flow profiles using critical slope 
Grand Canyon, Arizona, The  
Grand Canyon, Arizona 2, The  
graphic design, raster or vector 
Great Salt Lake and Lake Bonneville, Utah 
Great Salt Lake and Ancient Lake Bonneville, The 
Green and Ampt 
groundwater hydrology 
groundwater modeling 
groundwater ownership  
groundwater recharge by channel infiltration 
groundwater studies 
groundwater sustainability 
groundwater sustainability 2  
groundwater sustainability, the facts about 
ground water sustainable yield 
groundwater use 
groundwater utilization and sustainability 
Gumbel 
Gumbel extreme value Type I method  
Gumbel método, en línea 
Gumbel method, online  
Gumbel method, up to 200 years, online computation 
Gumbel method, up to 10,000 years, online computation 
Guyana conservancies 
 
  
Hans Christian Andersen 
Hassayampa river near Morristown, Arizona, surface waves 
Hayami 
Hayami: On the propagation of flood waves 
Hazen-Williams formula online 
HEC-1 model  
HEC-1, legacy tale 
HEC-1 Muskingum-Cunge routing  
HEC-2, legacy tale 
HEC-HMS, legacy tale  
HEC-HMS Muskingum-Cunge model 
HEC-RAS, legacy tale  
HEC-RAS application, Tecate Creek flood hydraulics 
HEC-RAS, flujo permanente vs flujo no permanente, ¿Cuál debe usarse? 
HEC-RAS, unsteady flow with 
Hidrologia de avenidas del Arroyo Tecate 
hidrología de avenidas del río La Leche 
hidrología, tipos de  
Hidrovia:  Impacto ambiental no Pantanal Matogrossense 
Hidrovia report, Executive Summary 
Hidrovia report, Section 1: Introduction 
Hidrovia report, Section 2: Geographical Background: Pantanal and Hidrovia 
Hidrovia report, Section 3: The Upper Paraguay River and Pantanal of Mato Grosso 
Hidrovia report, Section 4: Hydrologic and Environmental Impact 
Hidrovia report, Section 5: Summary 
Hidrovia relatorio, Sumário Executivo 
Hidrovia relatorio, Seccão 1: Introdução 
Hidrovia relatorio, Seccão 2: Descrição Geográfica, Pantanal, e Hidrovia 
Hidrovia relatorio, Seccão 3: O Alto Paraguai e o Pantanal Matogrossense 
Hidrovia relatorio, Seccão 4: Impacto Hidrológico e Ambiental da Hidrovia no Pantanal
Matogrossense 
Hidrovia relatorio, Seccão 5: Sumário 
Hierve el Agua, Oaxaca, México 
Historical hydrology 
History of the Chezy formula 
History of the Froude number 
History of the Manning formula 
History of the Salton Sea 
Historical hydrology:  Severance reservoir, Oregon 
Hitos de la hidrología 
holística del agua subterránea     
hollow gold jaguars from Pampa Grande 
Hoover Dam 
Horseshoe Bend, Page, Arizona 
Horst Indlekofer, legacy tale 
Horton 
Horton time of concentration online 
Horton-Izzard conceptual model of overland flow 
How did Lasd Vegas get its name? 
How did Lasd Vegas get its name?, Kelsi Nelson  
How do we do it?  
How much groundwater to pump in a sustainable fashion?  
How much water could be pumped from an aquifer and still remain sustainable?  
Howard Latimer Penman 
HTML basics for everyone 
HTML must know 
HTML primer 
HTML table tags explained 
Huacas del Sol y de la Luna, La Libertad, Peru webvideo 
Huambo 
Huamelulpam archaeology 
Hugo Benito 
human experience: A vector-raster roller coaster, The  
human energy production as a process in the biosphere 
human food production as a process in the biosphere 
human materials production as a process in the biosphere 
 
Humboldt on geophagy   
Humboldt on the Casiquiare 
hummocks, Everglades 
hungry water 
Hurricane Alma 
Hurricane Katrina 
hydraulic engineering in Japani, webvideo 
hydraulic geometry, Leopold on  
hydraulic jump, webvideo 
 
hydraulics challenge, open-channel 
hydraulics of high-gradient streams: Jarrett  
hydroclimatological impact of human activities 
hydroclimatological impact of human activities 2 
hydroecological characterization of Arroyo Alamar 
hydrogeology  
hydrograph attenuation, legacy tale 
hydrologic abstractions, webvideo   
hydrologic and environmental impact of La Joya irrigation 
hydrologic budget 
hydrologic calculations online 
hydrologic computer models 
hydrologic cycle, the  
hydrologic cycle (USGS), the  
hydrologic design criteria  
hydrologic engineering  
Hydrologic Engineering Center 
hydrologic engineering education 
hydrologic measurements, webvideo 
hydrologists of the third kind  
hydrology 
hydrology history, Campo Valley 
hydrology, milestones of 
hydrology of the Binational Cottonwood Creek - Arroyo Alamar 
hydrology of the Paraguayan Chaco  
hydrology, types of 
hydrology vs hydraulics 
H2 water-surface profile online 
H3 water-surface profile online 
 
  
Impact of the Campo landfill on Tierra del Sol watershed  
impacto de los volcanes de lodo en la irrigación Cabana-Mañazo  
Impacto hidrologico e ambiental da hidrovia no Pantanal matogrossense 
Imperial wetland 
implicit water wave models 
importance of fluvial morphology in hydraulic engineering, the 
Inca Palace and Water Works at Tipón, cuzco, Perú, The 
indicators of groundwater [plants as] 
Indlekofer, Horst 
Ingapirca, video 
Ingeniería Hidráulica en el Singlo XXI (2013) 
ingeniería hidráulica en Japaní, webvideo 
Initial abstraction revisited 
initial and sequent depths in a hydraulic jump, calculation of 
initial and sequent depths in a hydraulic jump, calculation of (one form) 
initiation of motion based on Froude number 
initiation of motion based on Froude number, webvideo 
In Memoriam, portal 
In Memoriam, Dr. Constantine N. Papadakis 
In Memoriam, Dr. Danny L. Fread 
In Memoriam, Dr. Daryl B. Simons 
instability of Preissmann scheme 
integrating legacy applications via the web 
intelligent video 
interaction between hummocks and flow, Everglades  
interdisciplinary water resources studies 
intersection of two  pints on the x-y plane, The 
Interview at the Morning Star Ranch 
irrigación, el problema de las sales en la 
Irrigated agriculture: Is it sustainable 
irrigation and salinity 
irrigation canal gates 
irrigation engineering 
Is vegetation paying its own way? 
Is vegetation paying its own way?, webvideo 
isopluvials [of 24-hr] in San Diego 
isoyeta de 800 mm anuales, la 
Itajai river 
Itajai river, Santa Catarina, Brazil 
Izzard 
 
  
jaguars from Pampa Grande 
Jalapa 
Japani, legacy tale 
Japaní ruins 
Japaní hydraulic engineering, webvideo 
Jardines de México, Morelos, México 
Jarrett's hydraulics of high-gradient streams 
Jin, Jun, interview on global warming 
Joe Bill, Cañada, photos 
joint probability, webvideo 
  
 
  
Kañaris, Lambayeque, Perú, los bosques de neblina de,  webvideo 
Kañaris, Lambayeque, Perú, the cloud forests of,  webvideo 
Karajia, Viva el Peru, webvideo   
Karajia cliff sarcophagi   
Karajia cliff sarcophagi (HTML version)  
Katrina, Hurricane  
Kennedy's reflections on rivers 
Kerby-Hathaway time of concentration online 
Khoury, Fadi 
kinematic and diffusion wave models, applicability 
kinematic catchment modeling 
kinematic celerity, legacy tale 
kinematic flow number  
kinematic shock 
kinematic wave controversy 
kinematic wave celerity 
kinematic wave celerity, Seddon's law 
 kinematic wave celerity, webvideo 
 
kinematic wave controversy 
kinematic waves      
kinematic waves: Lighthill and Whitham  
kinematic waves, overland flow, webvideo 
 kinematic waves, webvideo 
 
kinematic wave controversy, legacy tale 
kinematic wave modeling 
kinematic waves, legacy tale 
kinematic wave time of concentration online 
Kirpich 
Kirpich time of concentration online 
Kleitz 
Kleitz-Seddon law 
Koelzer and Lane method for the specific weight of sediment deposits 
Koloseus, Herman J., legacy tale 
Koloseus, Herman J., cuento 
Kosi river, India 
Kosi river, legacy tale 
Kotosh: El Templo de las Manos Cruzadas, webvideo 
Kotosh: El Templo de las Manos Cruzadas 2, webvideo 
Kuelap, Peru 
Kuelap, The Fortified City of, webvideo   
Kuelap2, webvideo   
Kull and Feldman (on the modified Clark method)  
Kumar, Sudhir 
 
  
La Cano slide, video 
La conexión entre el Salar de Copaisa y el Salar de Uyuni, Bolivia 
La cuenca del rio Quiroz, Piura, Perú 
La cuenca alta del rio Quiroz, Piura, Perú (pdf) 
La experiencia de Camp Creek, Oregon 
Lagrange 
Laguna Hanson (Baja California) photos 
Laguna Hanson (Baja California) webvideo 
Laguna La Niña, Lambayeque-Piura, Perú 
Lahar in the Lower Sacobia River, Phillipines 
La Joya canal photos 
Lake Oroville Spillway Incident Timeline 
Lake Poopo, Bolivia, reference 
La Leche river flood control project: Environmental impact assessment 
 Lake Bonneville, Utah, Great Salt Lake and Ancient  
Lake Titicaca 
Lake Titicaca reference 
Lake Titikaka 
laminar flow time of concentration online 
Lane and Koelzer method for the specific weight of sediment deposits 
Lane, Emory W. 
Lane principle, legacy tales 
Lane, relación modificada 
Lane relation revisited 
Lane theory: the equilibrium shape of self-formed channels in noncohesive alluvium 
La Paz, Bolivia 
La Ruta Jurásica Lambayeque, Perú 
La Ruta Magmática, Lambayeque, Perú 
La Tragedia de los Comunes 
Lara: computation of "z" for use in the Modified Einstein Procedure 
Las facetas de la hidrología 
Las fotos del Río Tlaxiaco 
Las Haldas, video 
Las Vegas 
learning to type, I am 
Legacy Tales 
Legacy Tales:  Alphabetical listing 
Legacy Tales:  Chronological listing 
Legacy Tales:  Most technical 
Legacy Tales:  The fifth year 
Legacy Tales:  The first year 
Legacy Tales:  The fourth year 
Legacy Tales:  The second year 
Legacy Tales:  The seventh year 
Legacy Tales:  The sixth year 
Legacy Tales:  The third year 
Leonardo and Machiavelli try hydraulic engineering 
Leopold matrix for evaluating environmental impact, the  
Leopold on hydraulic geometry  
Les Marées 
les marées (the tides) 
letrinas ecológicas secas 
letrinas ecológicas, album de fotos 
Leverger's Travels on the Rio Paraguay   
Leverger's Travels on the Rio Paraguay (HTML)  
Ley de Seddon 
Lighthill and Whitham 
Lighthill and Whitham, legacy tale  
Lighthill and Whitham on kinematic waves  
Lila Downs 
linear regression calculations, online  
linear reservoir routing  
linear reservoir routing online  
linear reservoir routing, webvideo 
     
linear stability in open-channel flow 
linear stability in river mechanics 
Link Canals, Pakistan, legacy tale 
Link Canals, photo 
literature review on baseflow augmentation by streambank storage 
Llanganuco Lakes, White Range, Peru 
Log Pearson III  method  
 
Log Pearson Type III method, online computation 
Log Pearson III, método, en línea    
looped rating curve 
Lope de Aguirre expedition  
Los Baños de Inca, Cajamarca, Perú  
Los factores que afectan la precipitación  
Los Prismas Basálticos Huasca de Ocampo, Hidalgo, México 
low-flow frequency analysis, webvideo 
Lower Otay Dam, spilling on February 28, 2017 
  
 
  
Machahuay, Mambo de 
Machiavelli and Leonardo try hydraulic engineering 
Machiavelli remembered 
Machu Picchu, Sanctuary of 
Majewski, John 
Makro citadel  
Manejo y operación de la Laguna del Carpintero, Tampicl, Tamaulipas, México  
Manejo y operación de la Laguna del Carpintero: Seccion 01  
 
Manialtepec Lagoon, Oaxaca, Mexico 
Manning 
Manning formula, history 
Manning, Robert 
Manning's n Pictorial 
Manning's n Pictorial for natural channels and flood plains 
Manning's n for hydroecological channels with gabion systems 
          Manuel Antonio Mesones Muro, biografía Maquiavelo, recordando a Maquiavelo  
					       Mario López Mesones, autor 
Markahuasi, video 
					       
McIntyre, Loren  
Mean annual precipitation in California  
McCarthy 
meandering 
meandering thalwegs in straight alluvial channels 
meanders, Einstein on 
meanders, Einstein on, legacy tale 
meandros, Einstein sobre los 
Meinzer, Oscar Edward 
Melville equation, online pier and abutment scour 
método de Dendy-Bolton, en línea     
método gráfico TR55 para descargas de avenida, en línea  
método racional, calculador 
Mexico City's Cathedral [The plight of] 
Meyer-Peter formula online 
 
milestones of hydrology 
Mineral Cycles 
Mississippi river geomorphology, 1000 A.D. to 2000 A.D. 
Mississippi-Ohio river flood, May 2011, Cairo, Illinois, webvideo 
 
Mitla, Mexico 
Mockus 
Mockus, notes of my conversation with  
Mockus, Vic, legacy tale 
model calibration and verification 
modeling of the  evolution of sand mining pits in alluvial rivers 
modified Clark method 
 Modified Einstein Procedure, online  
 Modified Einstein Procedure, legacy tale  
 Modified Lane relation, sediment discharge by, online calculator  
 Modified Lane relation, parameter k1 by, online calculator  
Mojave river photos 
Mojave river flood photos (March 2005) 
momentum principle, openchannel032, webvideo 
Mono Lake, California 
Mono Lake, webvideo 
Monte Alban, Mexico 
Monteith 
Monteith-Penman method online 
Moody diagram 
Morning Glory spillway 
mud volcanoes of Tiracoma 
Mud Volcanoes of the Salton Sea - 2015, The  
mud volcanoes galore, webvideo 
multiple linear regression calculations, online  
Mulvany  
murundus 
murundus on Araguaia flood plain      
Muskingum method 
Muskingum method, webvideo 
  
Muskingum-Cunge flood routing method 
Muskingum-Cunge method 
 Muskingum-Cunge method, webvideo 
  
Muskingum-Cunge model (in HEC-HMS)        
Muskingum-Cunge routing 
Muskingum-Cunge routing (in HEC-1) 
Muskingum-Cunge  routing online 
Muskingum-Cunge routing, verification 
Muskingum-Cunge routing with variable parameters 
Muskingum-Cunge with variable parameters revisited 
Muskingum routing online     
Muskingum routing, simplified 
M1 water-surface profile 
M2 water-surface profile 
M3 water-surface profile 
 
  
Nalanda University, Bihar, India 
NASA: 2005 weather 
National Monument, Devils Postpile, California, webvideo 
natural function of rivers, The 
natural function of rivers, The, webvideo 
nature of wave attenuation 
Nelson, Kelsi: How did Las Vegas get its name? 
new links on this site 
New River wetlands 
New River photo relic 
Newton Carvalho 
Newton Carvalho 2 
Nezahualcoyotl, Texcoco, México, Baños de  
Niobrara river near Cody, Nebraska (Google Earth®) 
Nitrogen Cycle, The 
 
NOAA isopluvials [of 24-hr] in San Diego 
nonlinear regression calculations, online  
normal depth in a partially full circular culvert     
normal depth in a prismatic channel, online  
normal and critical depth in a prismatic channel, online  
Norte Dam, Santa Catarina, Brazil 
Notas de mi conversación con Vic Mockus 
Notes on my conversation with Vic Mockus - 1996 
NRCS curve number online 
NRCS 24-hr rainfall tables 
     
numbered links 
numeral conversion (arabic to roman) 
numerical diffusion 
Numerical properties of implicit four-point difference equations of unsteady flow (Danny Fread) 
número de Courant 
Número de Froude para início de movimento calculado online Apresentação 
número de la curva, escorrentía, en línea  
nutrient balance under flood pulse 
nutrients, where do they come from 
nutsedge, purple  
nutsedge, yellow  
nutsedge, yellow and purple 
 
  
O'Brien et al. on numerical solutions 
O Dilema entre Uso de Água Subterrânea e Preservação do Ecossistema 
ogee spillway rating online 
  
Ojos Negros, Valle de, resumen interdisciplinario 
Ojos Negros valley, sustainable management of water 
Ojos Negros valley, legacy tale    
Ojos Negros valley, panoramic view 
onda cinemática, la controversia de la  
online Blaney-Criddle method 
online calculation of flood discharge by the Creager formula 
online calculation of reservoir design life 
 online calculations     
online cascade of linear reservoirs 
online channel hydraulics, computations  
online Dendy-Bolton method      
online Clark unit hydrograph    
online critical slope in a prismatic channel    
online change in unit hydrograph duration by S-hydrograph 
online Colby method    
online computations 
online convolution      
online critical depth in a prismatic channel 
online curve number 
online dimensionless unit hydrograph by the cascade of linear reservoirs       
online discharge in a circular culvert 
online dissolved oxygen 
online DO 
online DO sag analysis 
online Duboys formula  
online evapotranspiration computations 
online fall velocity of a spherical sediment particle 
online Gumbel method 
online Hazen-Williams formula 
       
online linear reservoir routing  
online ogee spillway rating 
online log Pearson III method  
  online Meyer-Peter formula  
 online Modified Einstein Procedure  
   
online multiple linear regression calculations  
online Muskingum-Cunge  routing 
online Muskingum routing     
online normal depth in a prismatic channel 
online oxygenation constant  
online Penman method  
online Penman-Monteith method  
      online Penman-Monteith method for ecosystems  
      
online perpetual calendar 
online pier and abutment scour using Melville equation 
online Priestley-Taylor method  
online regression calculations 
online resources available for textbook "Engineering Hydrology"> 
online series of dimensionless unit hydrographs by the cascade of linear reservoirs  
 online all series of dimensionless unit hydrographs by the cascade of linear reservoirs  
     
online Shields criterion for initiation of motion 
online S-hydrograph 
online slope-area method 
online spillway rating, ogee 
online storage-indication reservoir routing      
online storage-indication reservoir routing (linear) 
online Thornthwaite method   
 online time-area method of watershed routing  
       
online time of concentration 
online time of concentration 2 
online tractive force method 
online TR-55 graphical method for peak discharge 
 online unit hydrograph by the cascade of linear reservoirs  
online Universal Soil Loss Equation  
online Universal Soil Loss Equation (composite watershed)  
online water balance, script  
online A2 water-surface profile 
online A3 water-surface profile 
online C1 water-surface profile 
online C3 water-surface profile 
online H2 water-surface profile 
online H3 water-surface profile 
online M1 water-surface profile 
online M2 water-surface profile 
online M3 water-surface profile 
online S1 water-surface profile 
online S2 water-surface profile 
online S3 water-surface profile 
open channel hydraulics, Proof of Eq. 15-1 by Ven T. Chow 
   
open channel hydraulics 
openchannel011, open-channel flow, webvideo 
openchannel012, applications, webvideo 
openchannel013, flow regimes, webvideo 
openchannel014, friction relation, webvideo 
open-channel flow, Definition sketch 
open-channel flow, openchannel011, webvideo 
open-channel hydraulics challenge 
open-channel flow regimes: classification 
open-channel flow: shallow wave propagation 
Oros reservoir and spillway 
O sistema de condifica&ccedeil;ão Pfafstetter para a identifica&ccedeil;ão de bacias hidrográficas 
Otatitlan, El Cristo Negro de 
other approximations to the complete equations (1987) 
overland flow  
overland flow, webvideo 
overland flow, storage concept, webvideo 
overland flow, kinematic waves, webvideo 
ownership of groundwater 
Oxygen Cycle, The 
oxygenation constant, online  
 
 
  
Painted Cave Fire and the floods of March 1991, The 
Palcaraju Glacier White Range, Peru, The 
Palenque 
Pampa Grande: hollow gold jaguar 
Pampa Grande pottery 
Pampa Grande, the curious legacy of 
Pan de Azucar, Nivin, webvideo   
Pandey, Rajendra 
Pantanal matogrossense, impacto ambiental da hidrovia 
Pantanal of Mato Grosso, impact of Parana-Paraguay waterway 
Pantanal of Mato Grosso, levee 
Pantanal of Mato Grosso, map 
Pantanal of Mato Grosso, photos 
Pantanal of Mato Grosso, webvideo 
Pantanos de Villa, Chorrillos, Lima, Perú 
Papadakis and Kazan on time of concentration 
Papadakis, In Memoriam, Dr. Constantine  
Papadakis-Kazan time of concentration online 
Papaloapan 
Papaloapan, el río de las mariposas 
Paraguay river, travels on the  
parallel pipes under turbulent flow, calculation of discharge in 
 
Parana River 
Parana-Paraguay waterway 
Parque Nacional Podocarpus, Loja y Zamora-Chinchipe, Ecuador 
Patna, Bihar, India 
Patna, Bihar, India 2 
Patna, Bihar, India 3 
parking lot storage modeling using diffusion waves 
pathology of computational hydraulics 
Pearson Type III online 
Pearson Type III method (Log), online computation 
Pearson Type III method (Log), up to 200 years, online computation 
Pearson Type III method (Log), up to 10,000 years, online computation 
Peer review of the Regional Simulation model (RSM), SFWWD (2005) 
Penman 
Penman method 
Penman method online 
Penman en linea 
       
Penman-Monteith method 
Penman-Monteith method online 
Penman-Monteith method for ecosystems, online   
Penman-Monteith en linea 
Perez, Jose  
período de retorno a ser usado para diseño, preguntas y respuestas sobre el    
períodos de retorno para la estimación del gasto máximo       
perpetual calendar 
Pfafstetter coding system for watershed identification (improved presentation) 
Pfafstetter coding system for watershed identification (original) 
photo gallery culverts  
photo on tidal wave on the Chien Tang river (Chow) 
pier and abutment scour using Melville equation, online 
Pillsbury, Arthur F. (extract) 
Pillsbury, Arthur F. (The Salinity of Rivers) 
Piedras Encimadas, Puebla, Mexico, webvideo 
pipe flow design with Moody diagram 
Pirai river basin, legacy tale  
Pisac terraces 
plants as indicators or groundwater 
Plumas County    
Poechos dam and reservoir 
Poechos spillway photos 
Pompeii, Italy, travel photos 
Ponce's color palette 
Ponce Monty Award 2016  
Ponce, V. M., areas of recent expertise 
Ponce, V. M., all publications 
Ponce, V. M., biographical sketch 
Ponce, V. M., biosketch 
Ponce, V. M., career highlights 
Ponce, V. M., courses taught at SDSU 
Ponce, V. M., honors and awards 
Ponce, V. M., hydrology textbook 
Ponce, V. M. in HEC-1 
Ponce, V. M. in HEC-HMS 
Ponce, V. M., invited lectures   
Ponce, V. M., journal publications  
Ponce, V. M., one-page summary 
Ponce, V. M., other accomplishments 
Ponce, V. M., proceedings papers  
Ponce, V. M., research accomplishments 
Ponce, V. M., service 
Ponce, V. M., software developed 
Ponce, V. M., summary 
Ponce, V. M., technical reports 
  
Ponce-Simons number  
Ponce-Simons criterion 
Pongo de Manseriche, online video 
pororoca, in search of the 
 pororoca photos   
pororoca tidal wave   
¿Por qué, en un balance hídrico, resulta más adecuado un enfoque cibernético? Presentación 
Por que o balanço hídrico cibernético é mais adequado do que a abordagem tradicional?  
Porto Esperança, legacy tale    
Porto Murtinho 
Porto Murtinho, map 
potential evapotranspiration by Blaney-Criddle method online 
precipitación annual global terrestre media 
Precipitation causes--figures   
precipitation, webvideo   
preguntas y respuestas sobre cuánta agua subterránea es posible bombear de una manera sostenible  
preguntas y respuestas sobre el período de retorno a ser usado para diseño  
Preissmann scheme, instability of 
presas de retención de sedimentos en el Aguaje de la Tuna 
price to pay, the 
 Priestley-Taylor, en linea 
Priestley-Taylor method 
Priestley-Taylor method online 
Prismas Basalticos, webvideo 
 
 
Probable Maximum Flood, example 
problema de las sales en la irrigación 
Prof. Ponce's color palette 
profundidad normal en un canal prismático, cálculo de la  
Proof of Eq. 15-1 in "Open-channel hydraulics," by Ven T. Chow. 
propagation of flood waves (Hayami) 
properties of open channels, openchannel021, webvideo 
psychrometric constant 
Pulsating waves, La Paz, Bolivia, 2016  
Puno, Peru  
 
  
Quanta água pode ser bombeada de um aquífero para que seu uso permaneça sustentável?   
¿Qué hacer acerca de los deslizamientos del valle de Vítor?    
¿Quién es dueño del agua subterránea?    
Quincy, California  
Q & A on how much groundwater to pump in a sustainable fashion 
Q & A on the return period to be used for design     
 
  
  
Rafael Rivera 
rainfall tables 
Rainflo manual 
RAINFLO topology 
random photos slide show  
rapidly varied flow, webvideo 
 
raster or vector 
rational method   
rational method calculator 
rational method, webvideo 
rational method applications, webvideo 
reason behind global warming 
Recarga y descarga en sistemas de agua subterránea 
recent abstracts 
Recharge and discharge in groundwater systems 
recomendaciones de períodos de retorno para la estimación del gasto máximo 
Red Clover Creek 
Red Clover Creek, The Story of, webvideo 
regional analysis of flood and rainfall characteristics 
regional analysis, webvideo 
    
regression analysis 
regression analysis, webvideo 
regression calculations, online 
Rehabilitation of Atoyac River 
Rehabilitación del Río Atoyac 
Reisner: Cadillac Desert (extract of Chapter 12: Salinity, 455-476) 
relación modificada de Lane 
relation  between groundwater and surface water, the 
 
Renard, Ken 
rendimiento seguro del agua subterránea    
rendimiento sostenible  
rendimiento sostenible del agua subterránea  
reservoir design life, online calculation  
reservoir routing, webvideo 
    
reservoir sedimentation, Brune figure 
 
resource dilemma, the 
resources available online for textbook "Engineering Hydrology" 
retención de sedimentos en el Aguaje de la Tuna 
return period to be used for design     
Revash necropolis, Peru 
Reynolds 
Reynolds number revisited 
Richardson, Everett (Richardson) 
Río Amazonas, escurrimiento 
Río Atoyac, rehabilitación del 
Río La Silla: Arquitectura fluvial sustentable  
Río La Silla Natural Park 
Río Meta 
Río Paraguay, travels on the  
Río Parque Tecate, factibilidad de bombeo 
Río Santa Catarina: Arquitectura fluvial sustentable    
Río Santa Catarina Ecological Park 
Río Santa Catarina Ecological Park 2 
Río Tlaxiaco, photos 
ríos, la función natural de los 
Richardson, Everett 
Richardson, Everett, online video 
riparian restoration of Camp Creek 
riparian restoration: Bear Creek 
river basin salinity, the facts about 
river salinity  
rivers, The natural function of 
rivers, The natural fuction of, webvideo 
Robert Elmer Horton 
Robert's Rules of Order 
Robin A. Wooding 
roll-wave formation, criterion for the possibility of (Craya)  
roll-wave formation, verification of theory 
Rosita Bustamante 
roll wave in Arizona 
roll waves in a Swiss channel, c. 1910. 
Roll waves, La Paz, Bolivia, 2014 
roller coaster, The human experience: A vector-raster    
Ruinas de Pisac 
runoff, webvideo 
runoff curve number 
runoff curve number method  
 
runoff curve number, webvideo 
runoff diffusion reexamined 
runaway river (Chapter 6 in The Periscope, Coachella Valley Historical Society, 1995), A. 
 
  
Sacramento model 
Sacsayhuaman 
safe yield 
safe yield of ground water 
sag analysis of dissolved oxygen, online 
Safe yield of groundwater, Jorge Talavera 
Sahara desert 
Sahel, Africa [The] 
    
Saint Venant 
Saint Venant equations, derivation 
sales, el problema de las sales en la irrigación 
salinity-balance modeling 
salinity calculator 
Salinity of Rivers, The  
salinity, the facts about river basin  
salinity of groundwaters, webvideo 
salt balance, sustainable runoff for basin  
salt predicament, the  
Salt Predicament, The, webvideo 
salt sources 
Salto del Tequendama (Tequendama Fall) 
Salton Sea: An account of Harriman's fight with the Colorado River, The. 
Salton Sea, assessment 
Salton Sea, history 
Salton Sea, legacy tale 
Salton Sea predicament, webvideo 
Salton Sea restoration using solar still distillation 
Salton Sea, salinity-balance modeling 
Sample lecture: Gradually varied flow profiles II 
San Diego Union-Tribune 
sand mining 
sand mining in El Barbon Wash 
Sandera, Kyle: Ecological discharge 
sand-mining regulations 
sanitario ecológico seco, el abc del 
sanitario ecológico seco, historieta 
sanitation alternatives, comparison between 
San Luis dam and reservoir, California, webvideo 
San Luis Reservoir, California 
San Joaquin valley, California 
San Joaquin valley, California 2 
San Joaquin valley, California, The plight of the 
San Joaquin valley drainage, the facts about 
Santa Cruz de la Sierra, Bolivia 
Santa Barbara County, California, floods of March 1991, video, part 1 
Santa Barbara County, California, floods of March 1991, video, part 2 
Santa Rosa, Cañón, webvideo 
Santa Rosa I Canyon, Baja California, Mexico 
Santa Rosa II Canyon, Baja California, Mexico 
Santos, Emidio 
Sawyer Spring and Ash Creek surface-water/groundwater interactions 
scale in flood hydrology, webvideo 
science of global warming, the 
scientific calculator 
SCS runoff curve number 
SCS TR-55 method 
SDSU campus map  
SDSU water resources engineering program 
SDT en función de la conductividad eléctrica, cálculo en línea 
Sechin: Ageless Storytelling, webvideo 
Sechin: Triunfo y Derrota, Casma, Peru, webvideo 
 
sediment delivery ratio 
sediment deposition in reservoirs   
sediment deposition in reservoirs, webvideo   
sediment measurements, webvideo 
sediment measurement techniques 
  
sediment production  
sediment production and yield, webvideo 
sediment properties, webvideo 
sediment properties  
sediment rating curve 
sediment rating curve: ultimate concentration 
sediment retention basins  
sediment-retention basin, legacy tale 
sediment transport  
sediment transport mechanics 
sediment transport, webvideo 
sediment yield by the Dendy-Bolton method, online      
sedimentación en reservorios 
Seddon 
Seddon law 
Seddon, legacy tales 
Seddon's law, legacy tales 
Seddon on river hydraulics 
self-formed channels in noncohesive alluvium, the equilibrium shape of  
sequent depth in a hydraulic jump, calculation of (two forms) 
sequent depth in a hydraulic jump, calculation of (one form) 
sequestering all runoff, webvideo 
sequestering all runoff 
series of dimensionless unit hydrographs by the cascade of linear reservoirs, online       
settlement of arid regions, the     
Severance reservoir, Oregon: 15-yr assessment (1989-2004) 
SFWMD Facility Map Overview [jpg image] 
shallow water equations, derivation 
shallow wave propagation in open-channel flow 
shear strength of sand 
shear strength of sand at extremely low pressures 
Sheraton Lima Hotel, foundations   
Sherman 
Shetty, A. V. 
Shields criterio para el inicio de movimiento, cálculo en línea 
Shields criterion for initiation of motion, online calculation 
Shu'luuk wind project, Campo Indian reservation 
Sierra Subbética 
   
Simons, Daryl 
Simons, Dr. Daryl B.,  In Memoriam,   
simplified Muskingum routing 
slide show of portal photos  
slope-area method 
slope-area method calculator 
slope-area method, openchannel056, webvideo 
slope-area method online 
snow hydrology 
Snyder 
Soil Conservation Service, Att-Kin model 
sólidos disueltos totales en función de la conductividad eléctrica, cálculo en línea  
sostenibilidad del agua subterránea  
 
source of water derived from wells, the  
sources of salts 
Source of the Amazon River 
Source of the Missouri river 
South Florida 
specific weight of sediment deposits by the Lane and Koelzer method 
Spillway of Morena Dam 
spillway photo gallery 
SSARR model   
stability analysis of channel banks 
stabilization ponds, design and performance 
Stanford watershed model 
statistical distributions, webvideo 
 
steady vs unsteady flow in HEC-RAS, when to use    
stochastic hydrology, legacy tale 
 
Stokes  
					       
Storage and the unit hydrograph, by C. O. Clark   
storage concept, overland flow, webvideo 
 
storage indication method  
storage indication method, webvideo 
  
storage-indication reservoir routing online      
storage-indication reservoir routing (linear) online         
storage routing 
 
storm surge 151023  
story of Wellton-Mohawk, the  
streambank storage, literature review on baseflow augmentation  
streamflow measurements, webvideo 
  
stream restoration    
strength of sand at extremely low pressures 
subdomains [of this site] 
subdomains of this site, by URL 
Sumaqtika (Inca aqueduct) 
suppressed rectangular weir, online calculation  
surface runoff modeling with kinematic, diffusion, and dynamic waves 
surface-water/groundwater interactions, Sawyer Spring and Ash Creek 
surface water hydrology 
surface water modeling 
sustainability of agriculture 
sustainability of groundwater 
sustainability of irrigated agriculture 
sustainable economic yield of groundwater  
sustainable irrigation 
sustainable management, Ojos Negros valley 
sustainable management of water in the Ojos Negros valley 
sustainable management of water in the Ojos Negros valley 2 
sustainable river crossings in arid regions 
sustainable runoff for basin salt balance 
 
sustainable yield 
sustainable yield of ground water 
sustainable yield of ground water, Costa Mesa, California 
sustainable yield of ground water, Cholula, Mexico 
SWMM model 
synthetic unit hydrographs explained 
 synthetic unit hydrographs, webvideo 
 
S1 water-surface profile 
S2 water-surface profile 
S3 water-surface profile 
 
  
Tabasco sauce 
Talavera, Jorge: Safe yield of groundwater 
Tancochin, crecida del río 
Tancochin, flood of rio 
Tapeats Creek, Arizona   
Taymi Canal (Chiclayo, Peru) photos 
TDS based on electrical conductivity, online calculation  
Tecate, arroyo, régimen de avenidas máximas 
Tecate, arroyo, hidrología de avenidas 
Tecate Creek, flood hydraulics 
Tecate Creek, flood hydrology 
Tecate reports 
Tecate, Río Parque, factibilidad de bombeo 
Tecate Río Parque, factibilidad de bombeo, presentación 
Tecate River Park, feasibility of pumping 
Tecate river photos 
Technical University of Lisbon 
Techniques of water resources investigations (USGS) 
Templo Mayor, Mexico City 
Teotihuacan, Mexico 
Teotihuacan 2, Mexico 
Termitas Cuyutlán, Colima, México 
Terraces of Pisac 
Terrazas de Pisac 
Teton Dam Failure 
Teton dam failure photos 
textbook "Engineering Hydrology," resources available online      
Texcoco, Mexico 
thanks to 
The Sahel, Africa 
the salt predicament 
Theis, C. V. 
Theurer, Fred, legacy tale, 1 
Theurer, Fred, legacy tale, 2 
thirteen towers of Chankillo, the 
Thompson Creek groundwater sustainability study 
Thornthwaite 
Thornthwaite, biography [extract] 
Thornthwaite en linea   
Thornthwaite method 
Thornthwaite method online   
tidal bores 
Tidal-bore photos 
tidal wave on the Chien Tang river (Chow) 
tiempo de concentración en línea  
Tierra del Sol fights for clean water 
Tierra del Sol fights for clean water, webvideo 
Tierra del Sol study  
Tierra del Sol and the Shockey Fire  
Tijuana river basin 
time-area method 
time-area method, webvideo  
time-area method of watershed routing online    
 
time of concentration by Papadakis and Kazan 
time of concentration online 
time of opening of irrigation canal gates  
Tingambato 
Tiracoma mud volcanoes 
Tiracoma, volcanes de lodo 
tirante normal en un canal prismático, cálculo del 
tirante normal y tirante crítico en un canal prismático, cálculo del 
Tiwanaku 
Tlaxiaco, legacy tale        
Tlaxiaco, Oaxaca, Mexico, sanitation 
Tlaxiaco, rio, photos 
To drain or not to drain 
Tomas canyon, video 
Toro Muerto, video 
total bed-material (measured and unmeasured) discharge by the Colby 1957 method online  
total dissolved solids based on electrical conductivity, online calculation  
     
 total sediment load by the Modified Einstein Procedure, online  
towers of Chankillo, the thirteen 
tractive force method, online 
tractive force method, webvideo 
 
Tragedy of the Commons 
Tragedy of the Commons Revisited, online video 
Tragedy of the Commons, salt predicament 
tránsito de avenidas por el método del indicador de capacidad, en línea  
trekking in the Sierra Subbética 
TR-20 model 
TR-55 para descargas de avenida, en línea método gráfico    
TR-55 graphical method for peak discharge, online  
TR-55 method, webvideo 
 
tsunami-like river bores are surfing's new frontier 
Tulare Lake c, 1874, Central Valley, California 					       
Tuliman, Cascadas de, webvideo 
 
Turner Dam and Spillway 
Turner reservoir 
twenty-four (24-hr) hour rainfall tables 
two-dimensional circulation models 
two-dimensional depth-averaged flow 
types of hydrology (facets of hydrology) 
 
  
ultimate sediment concentration 
ultimate sediment concentration, legacy tale 
uncommon sense 
unfossil story, the 
uniform flow, establishment of, webvideo 
uniform flow, openchannel051, webvideo 
uniform flow formulas, openchannel052, webvideo 
uniform surface flow, openchannel055, webvideo 
 
					       
unit hydrograph and storage, by C. O. Clark   
   
 unit hydrograph by the cascade of linear reservoirs, online calculation 
unit hydrograph, general dimensionless 
 
unit hydrograph techniques 
unit hydrographs, webvideo 
Universal Soil Loss Equation, online  
Universal Soil Loss Equation (composite watershed), online  
Universidad Estatal de Colorado, cuento  
 
Universidade Regional de Blumenau, legacy tale 1 
Universidade Regional de Blumenau, legacy tale 2 
Unix primer 
unsteady flow equations, derivation 
unsteady flow in open channels, Seddon's law 
unsteady flow, webvideo 
unsteady flow with HEC-RAS 
unsteady flow with HEC-RAS, webvideo 
 unsteady rapidly varied flow, webvideo 
 
untimely drought, legacy tale 
Upper Paraguay River at Ladario 
urban hydrology, legacy tale 
USBR Water Measurement Manual Chapter 7 Section 7 
USDA Natural Resources Conservation Service: Feature on "Notes on my conversation with Vic Mockus" 
uses of engineering hydrology  
USGS Techniques of water resources investigations 
USLE, online  
USLE for a composite watershed, online  
utilization of groundwater 
Uxmal 
Uyuni Salt Flats, Potosi, Bolivia, The 
 
  
Vado El Cora Nayarit, México 
vado puente 
van Schilfgaarde, Jan 
variable-parameter Muskingum-Cunge flood routing method 
vector-raster roller coaster, The human experience: A    
vector o raster 
vector or raster 
Vedernikov 
Vedernikov; Chow, Froude, and 
Vedernikov number 
Vedernikov number, V. T. Chow on the 
Vedernikov number, effect on overland flow dynamics 
Vedernikov number, legacy tale 
Vedernikov number, legacy tale 2 
vegetated channels, webvideo 
 
vegetated earthmounds in tropical savannas of Central Brazil 
velocity distribution coefficients, openchannel022, webvideo 
vida útil de un reservorio 
video, intelligent 
videos, Ponce videos 
videos, all 
Villavicencio, Colombia 
Visualab 
Visualab at SDSU, The 
Visualab people 
Visualab presentation video 
V-notch weir, fully contracted, online calculation  
V-notch weir, partially contracted, online calculatioon  
 
Vitor photo gallery 
Vítor? ¿Qué hacer acerca de los deslizamientos del valle de 
Vítor, valle de, impacto hidrológico y ambiental 
Vitor valley, hydrologic and environmental impact 
Vitor valley slides 
Volcán Cuexcomate Puebla, México  
Volcán Cuexcomate, Puebla, México  
volcanes de lodo  
volcanes de lodo de Tiracoma 
Vujica Yevjevich, legacy tale 
 
 
  
waste stabilization ponds, design and performance 
Water and Land Management Institute, Bihar, India 
water and nutrients     
water balance models 
Water balance--figures 
Water Cycle, The 
water resource planning, The Battelle Environmental Evaluation System for  
water surface profiles 
water surface profiles: Practice 
water-surface profile A2, online calculation 
water-surface profile A3, online calculation 
water-surface profile C1, online calculation 
water-surface profile C3, online calculation 
water-surface profile H2, online calculation 
water-surface profile H3, online calculation 
water-surface profile M1, online calculation 
water-surface profile M2, online calculation 
water-surface profile M3, online calculation 
water-surface profile S1, online calculation 
water-surface profile S2, online calculation 
water-surface profile S3, online calculation 
water-surface profiles, webvideo 
 
wave attenuation in open-channel flow 
wave propagation 
wave propagation in open-channel flow 
wave propagation, webvideo 
 
web calculator  
web calculator2 
web calculator3 
 web palette  
web palette, browser-safe colors 
we had to sell half of the shop, legacy tale 
weir calculation, Cipolletti 
weir calculation, contracted rectangular  
weir calculation, rectangular 
weir calculation, suppressed rectangular   
weir calculation, V-notch, fully contracted  
weir calculation, V-notch, partially contracted  
weirs, comparison for discharge measurement in open-channel flow 
 
well hydrogeology  
Wellton-Mohawk  
Wellton-Mohawk irrigation  
What is the relative depth to achieve maximum discharge in a circular culvert? 
What to do about the Vitor valley slides? 
when to use steady vs unsteady flow in HEC-RAS    
White Range, Ancash, Peru 
Who owns the groundwater? 
Who owns the groundwater? Webvideo 
Why is the cybernetic hydrologic balance better suited for yield hydrology than the conventional approach? 
Wikipage on globalwarming.sdsu.edu 
Wilcox, Jim 
Wilhelm-Werner equation 
will the Amazon rainforest help in taking up excess carbon from the air 
wipers and washers 
Wooding 
Woolhiser, legacy tale  
Woolhiser and Liggett 
Woolhiser on the search for a physically based runoff model 
Worker's Channel, the 
Worker's Channel revisited, the 
 
  
Xochicalco 
Xochicalco, The City of Flowers, webvideo   
 
  
Yevjevich, Professor Vujica, In Memoriam 
Yevjevich, Professor Vujica, legacy tale 
Yungay avalanche video 
 
  
Zenón, a man named, legacy tale   
Zenón, un hombre llamado, cuento  
Zion National Park, Southwestern Utah   
 
 
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