Soil - Plant - Atmosphere - Water Field & Pond Hydrology

SPAW 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. The SPAW (Soil-Plant-Air-Water) computer model simulates the daily hydrologic water budgets of agricultural landscapes by two connected routines, one for farm fields and a second for impoundments such as wetland ponds, lagoons or reservoirs. Climate, soil and vegetation data files for field and pond projects are selected from those prepared and stored with a system of interactive screens. Various combinations of the data files readily represent multiple landscape and ponding variations.

Data and Resources

Field Value
accessLevel public
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datagov_dedupe_retained 20220519114457
identifier 08a3572a-1295-4bb0-8223-dceeb6c21c4d
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2022-02-04
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programCode {005:040}
publisher Agricultural Research Service
resource-type Dataset
source_datajson_identifier true
source_hash d75e1a1b0f196b0a04a0b3224a3a431427e7ca94
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Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • ckan
  • ecological-assessment
  • geo
  • geoss
  • national
  • north-america
  • np211
  • soil-data
  • soil-reports
  • soil-water-characteristics
  • spaw
  • united-states
isopen True
license_id cc-zero
license_title Creative Commons CCZero
license_url http://www.opendefinition.org/licenses/cc-zero
maintainer Parry, Rob
maintainer_email Rob.Parry@ars.usda.gov
metadata_created 2025-11-19T17:44:17.478819
metadata_modified 2025-11-19T17:44:17.478824
notes <p><a href="https://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/national/water/manage/drainage/?cid=stelprdb1045331">SPAW is a daily hydrologic budget model</a> for agricultural fields and ponds (wetlands, lagoons, ponds and reservoirs). Included are irrigation scheduling and soil nitrogen. Data input and results are graphical screens.</p> <p>The <a href="https://hrsl.ba.ars.usda.gov/SPAW/Index.htm">SPAW</a> (Soil-Plant-Air-Water) computer model simulates the daily hydrologic water budgets of agricultural landscapes by two connected routines, one for farm fields and a second for impoundments such as wetland ponds, lagoons or reservoirs. Climate, soil and vegetation data files for field and pond projects are selected from those prepared and stored with a system of interactive screens. Various combinations of the data files readily represent multiple landscape and ponding variations.</p>
num_resources 3
num_tags 14
title Soil - Plant - Atmosphere - Water Field & Pond Hydrology