Record Display for the EPA National Library Catalog
RECORD NUMBER: 43 OF 128
|OLS Field Name||OLS Field Data|
|Main Title||Hydrologic Evaluation of Landfill Performance (HELP) Model. Volume 2. Documentation for Version 1.|
|Author||Schroeder, P. R. ; Gibson, A. C. ; Smolen, M. D. ;|
|CORP Author||Army Engineer Waterways Experiment Station, Vicksburg, MS.;Municipal Environmental Research Lab., Cincinnati, OH.|
|Additional Subjects||Runoff ; Earth fills ; Hazardous materials ; Computer programs ; Subsurface drainage ; Cost effectiveness ; Precipitation(Meteorology) ; Fluid infiltration ; Percolation ; Evapotranspiration ; Soil water ; Operations ; Design criteria ; HELP computer program ; Leachates|
The Hydrologic Evaluation of Landfill Performance (HELP) program was developed to facilitate rapid, economical estimation of the amounts of surface runoff, subsurface drainage, and leachate that may be expected to result from the operation of a wide variety of possible landfill designs. The program models the effects of hydrologic processes including precipitation, surface storage, runoff, infiltration, percolation, evapotranspiration, soil moisture storage, and lateral drainage using a quasi-two-dimensional approach. In this document, the theories and assumption upon which the HELP model is based, the solution techniques employed, and the internal logic of the computer program are presented and discussed in detail.