NASA Home Page Goddard Space Flight Center Home Page
NASA Logo - Goddard Space Flight Center   + Visit NASA.gov
a directory of Earth science data and services Global Change Master Directory Web site
header 2 bullet Links bullet FAQ bullet Contact Us bullet Site Map
Home Data Sets Data Services Learn about GCMD_legacy's portal collaborations. Add new dataset or dataservice records to GCMD_legacy What's New Participate Calendar About GCMD_legacy
 
Record Search Query: [Science_Parameters: Science_Category='EARTH SCIENCE', Science_Topic='LAND SURFACE', Science_Term='SOILS']

Soil - Plant - Atmosphere - Water (SPAW) Hydrologic Budget Model
 Entry ID: USDA_ARS_SPAW

[ Get Service ]
[ Update this Record ]

Summary
Abstract: The Soil - Plant - Atmosphere - Water (SPAW) Hydrologic Budget Model is a daily hydrologic budget model for agricultural fields and ponds (wetlands, lagoons, ponds and reservoirs). Included are irrigation scheduling and soil nitrogen. Data input and results are graphical screens. SPAW was developed by Dr. Keith Saxton, USDA-ARS (retired). Included in this download is the Soil Water ... View entire text
Related URL
Link: GET SERVICE > GET SOFTWARE PACKAGE
Description: Register and Download SPAW.
Service Citation
Originators: Keith E. Saxton
Title: Soil - Plant - Atmosphere - Water (SPAW) Hydrologic Budget Model
Provider: USDA Agricultural Research Service
URL: http://hrsl.arsusda.gov/SPAW/Index.htm
Service Keywords
MODELS >HYDROLOGIC AND TERRESTRIAL WATER CYCLE MODELS Parameter Definition

Science Keywords
ATMOSPHERE >PRECIPITATION >PRECIPITATION AMOUNT Parameter Definition
ATMOSPHERE >PRECIPITATION >RAIN Parameter Definition
View entire list
ISO Topic Category
FARMING
BIOTA
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
GEOSCIENTIFIC INFORMATION
Access Constraints User registration is required before downloading.
Use Constraints The USDA distributes SPAW and Soil Water Characteristics without cost or obligation, only for scientific and analytic hydrologic purposes with no expressed warranties of accuracy or methodology beyond that normally expected of peer reviewed documentation. At the users discretion, the installation program will install either or both applications.
Ancillary Keywords
Hydrology
Model
Agriculture
Soils

Service Provider
USDA/ARS > Agricultural Research Service, U. S. Department of Agriculture Supplemental Info
Service Organization URL: http://www.ars.usda.gov

Service Provider Personnel
Name: USDA-ARS
Phone: 254-770-6500
Fax: 254-770-6561
Contact Address:
USDA-ARS
Grassland Soil and Water Research Laboratory
808 E. Blackland Rd.
City: Temple
Province or State: TX
Postal Code: 76502
Country: USA
Distribution Media
Distribution_Media: Online
Fees: No fees
Personnel
KEITH E. SAXTON
Role: TECHNICAL CONTACT
Phone: 509-332-7277
Fax: 509-332-7277
Email: ksaxton at roadrunner.com
View entire list
Creation and Review Dates
SERF Creation Date: 2012-04-26
SERF Last Revision Date: 2012-05-01
  View Text Only Format
USA dot gov - The U.S. Government's Official Web Portal
+ Privacy Policy and Important Notices
NASA
Webmaster:  Monica Holland
Responsible NASA Official:  Lola Olsen
Last Updated:  May 2013