Full Record Display for the EPA National Library Catalog
RECORD NUMBER: 94 OF 281Main Title | Hydrologic Simulation of Depressional Watersheds. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Author | Campbel, Kenneth L. ; Johnso, Howard P. ; | |||||||||||
CORP Author | Iowa State Water Resources Research Inst., Ames. | |||||||||||
Year Published | 1972 | |||||||||||
Report Number | ISWRRI-48; DI-14-31-0001-3588; ISWRRI-B-025IA; 09101,; B-025-IA(1) | |||||||||||
Stock Number | PB-221 268 | |||||||||||
Additional Subjects | ( Watersheds ; Mathematical models) ; Subsurface drainage ; Soil water ; Surface water runoff ; Tile drains ; Evapotranspiration ; Head(Fluid mechanics) ; Flooding ; Water storage ; Depressions ; Glacial features ; Percolation ; Iowa ; Saturated soils ; Computerized simulation ; Computer programs ; | |||||||||||
Holdings |
|
|||||||||||
Collation | 226p | |||||||||||
Abstract | A mathematical model was developed to simulate watersheds in flat areas with many surface depressions and to indicate the response due to watershed changes. The model, which simulates the watershed discharge and soil moisture status continuously throughout the crop season is based on a single-storm hydrologic model and uses daily pan evaporation and time-depth precipitation records as input. It simulates the processes of interception, surface storage, infiltration, surface runoff, soil profile storage, percolation to the water table, subsurface tile drainage, soil moisture redistribution, evapotranspiration, depression routing, tile-main routing, and drainage ditch routing. The resulting outputs are daily evapotranspiration, soil moisture status in the crop root zone, and watershed discharge. (Modified author abstract) | |||||||||||
NTIS Title Notes | Completion rept.. | |||||||||||
PUB Date Free Form | Dec 72, | |||||||||||
Category Codes | 8H; 64H | |||||||||||
NTIS Prices | PC A11/MF A01 | |||||||||||
Document Type | NT | |||||||||||
Cataloging Source | NTIS/MT | |||||||||||
Control Number | 326563393 | |||||||||||
Origin | NTIS | |||||||||||
Type | CAT |