Chapter 1 In general, this chapter is well structured and well written, but contains certain grammatical errors that need to be corrected before the document is presented in final form (see below). Page 4, paragraph 1:   Question the usage of words such as "leveraged" and "overwhelming". Page 4: Is "south Florida" correct? Or, should it be "South Florida?" (several instances, no consistency). Page 5, paragraph 2:   Question the word "developing;" it should be "has developed." Page 5, paragraph 3:   Note about future developments of the model should not be placed in parenthesis; state in a sentence by itself. Page 5, Figure 1.1:   t missing in "managemen" Page 5, Figure 1.1:   Where is HPM in the figure? Page 6, paragraph 3: Replace "Chapter two" with "Chapter 2" Page 6, paragraph 4: Replace "Chapter three presents" with "Chapter 3 presents" (no consistency in this paragraph) Page 6, paragraph 5:   Question the use of the word "traditionally" in this context. Page 7, paragraph 1:   Question the use of the word "always;" too strong. Page 7, paragraph 1:   Replace "sheet flow have to be" with "sheet flow would have to be" Page 7, paragraph 2:   No need to mention "slow" in here; it is understood. Page 9, paragraph 1:   Question the use of "Seeing." Page 9, paragraph 1:   Question the use of "currently under development." It obsoletes the phrase when the model is finished. Unless the model is being planned to be under development for a long time. Page 9, paragraph 3:   No need for the phrase "Without these three building blocks, RSM could not meet the needs of south Florida" Page 9, paragraph 4:   Use of first person pronoun "us" should be discouraged. Page 9, paragraph 4:   No need to mention that OO is outside of the expertise of many hydrologists. Page 11, paragraph 2:   Define or better explain "lookup tables." This is very important, because they are critical to the modeling accuracy. Page 11, paragraph 3:   Replace "discretizations for integrated modeling approach" for "discretizations for the integrated modeling approach" Page 12, paragraph 1:   Replace "language(XML)" with "language (XML)" Page 12, paragraph 2:   Use of first person pronoun "we" should be discouraged. Page 12, paragraph 3:   Replace "Lal, 2001." with "(Lal, 2001)." Page 13, paragraph 1:   Question the use of the word "tremendous' here. Overstated. Page 13, paragraph 2:   "better" repeated too often. Use "enhanced" or "improved" instead. Page 14, bullet 11: Replace "water level difference based" for "water-level-difference-based" Page 14, section 1.4:   Replace "sub-surface" with "subsurface" Page 14, section 1.4:   Replace "essential to make progress" with "essential to enable progress" Page 15, paragraph 3:   delete two instances of "also" Page 15, paragraph 5:   Replace "difficult conditions" with "trying conditions" or "challenging conditions" Page 15, paragraph 5:   Replace "see Appendix C for additional references with details regarding some of this research" for "see Appendix C for additional references"