National Engineering Handbook: Part 630 - Hydrology - Book 1

National Engineering Handbook - Hydrology - Book 1 of 2

U.S. Department of Agriculture
In support of conservation efforts across the nation, USDA Natural Resources Conservation Service (NRCS) works with land owners in the disciplines of hydrology and hydraulics. Book contains significant technical information developed over the lifetime of the agency.

Book 1 contains the following Chapters:
Chapter 1 – Introduction (09/1997)
Chapter 2 - Watershed Project Evaluation Procedures
Chapter 3 - Preliminary Investigations (11/2010)
Chapter 4 - Storm Rainfall Depth and Distribution (08/2019)
Chapter 5 - Streamflow Data (3/2020)
Chapter 6 - Stream Reaches and Hydrologic Units (11/2015)
Chapter 7 - Hydrologic Soil Groups
Chapter 8 - Land Use and Treatment Classes (06/2002)
Chapter 9 - Hydrologic Soil-Cover Complexes
Chapter 10 - Estimation of Direct Runoff from Storm Rainfall
Chapter 11 - Snowmelt
Chapter 12 - Hydrologic Effect of Land Use and Treatment
Chapter 13 - Stage Inundation Relations
Chapter 14 - Stage Discharge Relations

Book 2 contains these Chapters:
Chapter 15 - Time of Concentration
Chapter 16 - Hydrographs
Chapter 17 - Flood Routing
Chapter 18 - Selected Statistical Methods
Chapter 19 - Transmission Losses
Chapter 20 - Watershed Yield
Chapter 21 - Design Hydrographs
Chapter 22 - Glossary (2/2012)



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