SCS National Engineering Handbook, Section 4: Hydrology

antecedent moisture B/C INDICATES base flow BLANK HYDROLOGIC SOIL channel chap Compute contour CREEK Critical depth cross section culvert Determine direct runoff drainage area DRAINED/UNDRAINED SITUATION Table duration effects elevation ENGINEERING HANDBOOK SECTION Enter figure equation error evaluation Example feet flood plain forest frequency line graph head loss hydrologic condition HYDROLOGIC SOIL GROUP hydrologic soil-cover complexes hydrologist HYDROLOGY CHAPTER inches INDICATES THE DRAINED/UNDRAINED INDICATES THE SOIL infiltration inflow hydrograph isohyetal land method NATIONAL ENGINEERING HANDBOOK NEH Notice peak discharge peak rate percent plotting Reach 2 Reach relationship routing runoff curve numbers SECTION 4 HYDROLOGY SITUATION Table 7.1--Continued slope snowmelt SOIL GROUP INDICATES spillway square miles stage discharge curve step storage storm rainfall stream streamflow Structure 2 Structure Subwatershed surface runoff tabulate in column tion transmission losses treatment U.S. Forest Service U.S. Geological Survey unit hydrograph upstream velocity head water surface watershed