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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.

Dataset Info

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FieldValue
Authors
Saxton, Keith
Product Type
Computer model
Publisher
USDA Agricultural Research Service
Contact Name
Parry, Rob
Contact Email
Public Access Level
Public
Primary Article

Saxton, K., Willey, P., & Rawls, W. (2006). Field and Pond Hydrologic Analyses with the SPAW Model. In ASAE Annual Meeting. Portland, Oregon: American Society of Agricultural and Biological Engineers. Retrieved from http://elibrary.asabe.org/azdez.asp?JID=5&AID=20709&CID=por2006&v=&i=&T=...

Related Article

Saxton, K., & Willey, P. (2005). The SPAW Model for Agricultural Field and Pond Hydrologic Simulation. In V. Singh & D. Frevert, Mathematical Modeling of Watershed Hydrology (Chapter 17, pp. 1-37). CRC Press LLC. Retrieved from https://hrsl.ba.ars.usda.gov/SPAW/SPAW%20Book%20Chapter.pdf

Saxton, K., & Rawls, W. (2006). Soil Water Characteristic Estimates by Texture and Organic Matter for Hydrologic Solutions. Soil Science Society Of America Journal, 70(5), 1569.

License
Funding Source(s)
Agricultural Research Service
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:18 - Agricultural Research Service
Modified Date
2019-02-02
Release Date
2017-11-27
Ag Data Commons Keywords: 
  • Agroecosystems & Environment
  • Agroecosystems & Environment
  • Soil
  • Agroecosystems & Environment
  • Water
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