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APEX – Agricultural Policy/Environmental eXtender Model

Agricultural Policy/Environmental eXtender (APEX) has components for routing water, sediment, nutrients, and pesticides across complex landscapes and channel systems to the watershed outlet as well as groundwater and reservoir components. A watershed can be subdivided as much as necessary to assure that each subarea is relatively homogeneous in terms of soil, land use, management, and weather. APEX was constructed to evaluate various land management strategies considering sustainability, erosion (wind, sheet, and channel), economics, water supply and quality, soil quality, plant competition, weather, and pests. The routing of water, sediment, nutrient, and pesticide capabilities are some of the most comprehensive available in current landscape-scale models and can be simulated between subareas and channel systems within the model. APEX can perform long-term continuous simulations for modeling the impacts of different nutrient management practices, tillage operations, conservation practices, alternative cropping systems, and other management practices on surface runoff and losses of sediment, nutrients, and other pollutant indicators.

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
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
2019-01-25
Release Date
2017-12-21
Ag Data Commons Keywords: 
  • Agroecosystems & Environment
  • Soil
  • Agroecosystems & Environment
  • Water
  • Agroecosystems & Environment
  • Weather and Climate
  • Agroecosystems & Environment
  • Management
  • Plants & Crops
  • Crop production
  • Tillage
  • Plants & Crops
  • Crop production
  • Nutrient Management
  • Agroecosystems & Environment
  • Plants & Crops
  • Crop production