ASDC picture/link Surface meteorology and Solar Energy
A renewable energy resource web site   (release 6.0)
sponsored by NASA's Applied Science Program in the Science Mission Directorate
developed by POWER: Prediction of Worldwide Energy Resource Project
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  • over 200 satellite-derived meteorology and solar energy parameters
  • monthly averaged from 22 years of data
  • data tables for a particular location
  • GIS Web Mapping Application & Services
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  Data Retrieval:
Meteorology and Solar Energy Meteorology and
  Solar Energy  
Web Mapping GIS Web Mapping Application & Services
Renewable Software Application Inputs Renewable Software
Application Inputs

  Supporting Documentation:
Acknowledgement Acknowledgement for data usage
Geometry: sample 1 degree grid
Geometry Horizontal Grid for
Input and Output

The meteorological data is on a 1 degree longitude by 1 degree latitude equal-angle grid covering the entire globe (64,800 regions). The image on the right is a detailed sample of the grid covering England. The data is generated using the NASA Goddard Earth Observing System - Version 4 (GEOS 4) Multiyear Assimilation Timeseries Data. The GEOS 4 data set has a spacing of 1.25 degrees of longitude by 1 degree of latitude. Bilinear interpolation is used to produce 1 by 1 degree regions.

The solar energy data is generated using the Pinker/Laszlo shortwave algorithm. Cloud data is taken from the International Satellite Cloud Climatology Project DX dataset (ISCCP). ISCCP DX data is on an equal area grid with an effective 30x30 km pixel size. The output data is generated on a nested grid containing 44,016 regions. The nested grid has a resolution of one degree latitude globally, and longitudinal resolution ranging from one degree in the tropics and subtropics to 120 degrees at the poles. This, in turn, is regridded to a one degree equal-angle grid (360 longitudes by 180 latitudes). The regridding method is by replication, wherein any grid region that is larger than 1x1 degree is subdivided into 1x1 degree regions, each with the same value as the original.

Accuracy Accuracy
Methodology Methodology
Parameters Parameters (Units & Definition)
FAQ Frequently Asked Questions (FAQ)
Submit Questions Do you have a question or comment?
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 Document generated on Sat Jul 22 06:55:29 EDT 2017