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Record Search Query: ServiceParameters>MODELS>COMPONENT PROCESS MODELS

INFIL - A Grid-Based, Distributed-Parameter Watershed Model to Estimate Net Infiltration Below the Root Zone
Entry ID: USGS_INFIL
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Summary
Abstract: INFIL3.0 is a grid-based, distributed-parameter, deterministic water-balance model that calculates the temporal and spatial distribution of daily net infiltration of water across the lower boundary of the root zone. The bottom of the root zone is the estimated maximum depth below ground surface affected by evapo- transpiration. In many field applications, net infiltration below the bottom of the root zone can be assumed to equal net recharge to an underlying water-table aquifer. The daily water balance simulated by INFIL3.0 includes precipitation as either rain or snow; snowfall accumulation, sublimation, and snowmelt; infiltration into the root zone; evapotranspiration from the root zone; drainage and water-content redistribution within the root-zone profile; surface-water runoff from, and run-on to, adjacent grid cells; and net infiltration across the bottom of the root zone.

The water-balance model uses daily climate records of precipitation and air temperature and a spatially distributed representation of drainage-basin characteristics defined by topography, geology, soils, and vegetation to simulate daily net infiltration at all locations, including stream channels with intermittent streamflow in response to runoff from rain and snowmelt. The model does not simulate streamflow originating as ground-water discharge. Drainage- basin characteristics are represented in the model by a set of spatially distributed input variables uniquely assigned to each grid cell of a model grid.

[Summary provided by the USGS.]
Related URL
Link: GET SERVICE
Description: Download the INFIL model.

Link: VIEW RELATED INFORMATION > USER'S GUIDE
Description: INFIL documentation.
Service Citation
Originators: U.S. Geological Survey
Title: INFIL - A Grid-Based, Distributed-Parameter Watershed Model to Estimate Net Infiltration Below the Root Zone
Release_Date: 2008-06-19
Provider: U.S. Geological Survey
Edition: 1.0
URL: http://water.usgs.gov/nrp/gwsoftware/Infil/Infil.html
Service Keywords
MODELS >COMPONENT PROCESS MODELS   [Definition]
Science Keywords
TERRESTRIAL HYDROSPHERE >GROUND WATER >GROUND WATER DISCHARGE/FLOW   [Definition]
TERRESTRIAL HYDROSPHERE >GROUND WATER >INFILTRATION   [Definition]
TERRESTRIAL HYDROSPHERE >SURFACE WATER >WATERSHED CHARACTERISTICS   [Definition]
LAND SURFACE >SOILS >SOIL ROOTING DEPTH   [Definition]
ISO Topic Category
GEOSCIENTIFIC INFORMATION
Use Constraints
SYSTEM REQUIREMENTS

INFIL3.0 is written in Fortran. A Fortran-90 compiler is required to recompile the program. The code has been used on personal computers running various forms of the Microsoft Windows operating system.
Keywords
Models
Watershed Model
Watershed Characteristics
Root zone
Evapotranspiration
Service Provider
Office of Surface Water, Water Resource Division, USGS, U.S. Department of the Interior

Service Provider Personnel
Name: WATER RESOURCES U.S. GEOLOGICAL SURVEY
Email: h2osoft at usgs.gov
Contact Address:
U.S.G.S.
Hydrologic Analysis Software Support Program
437 National Center
 City: Reston
Province or State: VA
Postal Code: 20192
Country: USA
Distribution Media
Distribution_Media: Online
Distribution_Size: 12.0 MB
Fees: No fees
Personnel
USGS GROUND WATER INFO
Role: TECHNICAL CONTACT
Phone: 703-648-5001
Email: ogw_webmaster at usgs.gov
Contact Address:
U. S. Geological Survey
Office of Ground Water
411 National Center
City: Reston
Province or State: VA
Postal Code: 20192
Country: USA

JOSEPH HEVESI
Role: TECHNICAL CONTACT
Email: jhevesi at usgs.gov

TYLER B. STEVENS
Role: SERF AUTHOR
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Creation and Review Dates
SERF Creation Date: 2011-12-16
SERF Last Revision Date: 2011-12-16
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