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Weather Generator Technology (GEM)
| For many applications, users need a continuous time stream of
weather data, typically to be used as input to a computer model of
some process of interest, such as water or wind erosion. A weather
generator is a statistical model that can be used for this purpose.
Presented here is brief information about one such stochastic
weather simulation model, or weather generator technology known as
the GEM (Generation of weather Elements for Multiple
applications) model. This is an on-going research and
development project, as well, in joint partnership between the NRCS
National Water and Climate Center and the USDA Agricultural Research
Service (ARS). |
| GEM delivers a time series (data stream) of daily weather
data (precipitation, maximum and minimum temperature, solar
radiation, dewpoint and wind speed). When you run the model you can
generate as many years of simulated weather as desired, for any
location in the continental U.S. |
How GEM Functions.
Further Information
For more information, please contact:
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Dr. Greg Johnson
Leader, Air Quality and Atmospheric Change Team
USDA-NRCS West National Technology Support Center
1201 NE Lloyd Blvd., Suite 1000
Portland OR 97232-1274
(503)273-2424 Fax: (503)273-2401
email:
greg,johnson@por.usda.gov
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