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Dairy Gas Emissions Model (DairyGEM)

The Dairy Gas Emissions Model (DairyGEM) uses process level simulation and process related emission factors to predict ammonia, hydrogen sulfide, VOC and greenhouse gas emissions along with the carbon, energy and water footprints of dairy production systems. A process-based simulation is used to predict ammonia, hydrogen sulfide, and VOC emissions as influenced by climate and farm management. Net carbon dioxide, methane, and nitrous oxide emissions are also estimated using process simulation or process related emission factors. Environmental footprints are determined that include both primary and secondary sources. Primary sources occur during the farm production process and secondary sources are those occurring during the production of resources used including machinery, fuel, electricity, fertilizer, pesticides, and plastic.

Dataset Info

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FieldValue
Authors
USDA Agricultural Research Service
Product Type
Computer model
Intended Use
The Dairy Gas Emissions Model (DairyGEM) is a software tool for estimating ammonia, hydrogen sulfide, greenhouse gas (GHG), and volatile organic compound (VOC) emissions of dairy production systems as influenced by climate and farm management.
Publisher
USDA Agricultural Research Service
Contact Name
Rotz, C. Alan
Contact Email
Public Access Level
Public
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
2019-04-29
Release Date
2017-12-29
Ag Data Commons Keywords: 
  • Agroecosystems & Environment
  • Agroecosystems & Environment
  • Soil
  • Agroecosystems & Environment
  • Water
  • Agroecosystems & Environment
  • Management
  • Agroecosystems & Environment
  • Weather and Climate
User-supplied Tags: