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Environmental Policy Integrated Climate (EPIC) Model

Environmental Policy Integrated Climate (EPIC) model is a cropping systems model that was developed to estimate soil productivity as affected by erosion as part of the Soil and Water Resources Conservation Act analysis for 1980, which revealed a significant need for improving technology for evaluating the impacts of soil erosion on soil productivity. EPIC simulates approximately eighty crops with one crop growth model using unique parameter values for each crop. It can be configured for a wide range of crop rotations and other vegetative systems, tillage systems, and other management strategies. It predicts effects of management decisions on soil, water, nutrient and pesticide movements, and their combined impact on soil loss, water quality, and crop yields for areas with homogeneous soils and management.

EPIC functions on a daily time step and can simulate hundreds of years. Since the initial development, EPIC has been continually improving through the additions of algorithms to simulate water quality, nitrogen and carbon cycling, climate change, and the effects of atmospheric carbon dioxide. The processes simulated include leaf interception of solar radiation; conversion to biomass; division of biomass into roots, above ground mass, and economic yield; root growth; water use; and nutrient uptake. It can be configured for a wide range of crop rotations and other vegetative systems, tillage systems, and other management practices. The model can also assess the cost of erosion for determining optimal management strategies.

Dataset Info

These fields are compatible with DCAT, an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web.
FieldValue
Authors
Texas A&M AgriLife Research
Product Type
Software Tool
Publisher
Texas A&M AgriLife Research
Contact Name
Blackland Research and Extension Center
Contact Email
Public Access Level
Public
Related Content
License
Funding Source(s)
Agricultural Research Service
Natural Resources Conservation Service
Texas AgriLife Research
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:18 - Agricultural Research Service
Modified Date
2018-04-20
Release Date
2017-12-20
Ag Data Commons Keywords: 
  • Agroecosystems & Environment
  • Soil
  • Agroecosystems & Environment
  • Water
  • Agroecosystems & Environment
  • Weather and Climate
  • Agroecosystems & Environment
  • Management
  • Plants & Crops
  • Crop production
  • Soil Conservation
  • Plants & Crops
  • Crop production
  • Tillage
  • Plants & Crops
  • Crop production
  • Nutrient Management
  • Agroecosystems & Environment
  • Plants & Crops
  • Crop production
  • Plants & Crops