PATHFINDER High Resolution
Surface Radiative Fluxes

Department of Atmospheric and Oceanic Science
University of Maryland, College Park

Department of Meterology



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PATHFINDER High Resolution
Surface Radiative Fluxes

 Satellite observations for estimating surface radiative fluxes are presently available from several sources. Under the joint NOAA/NASA PATHFINDER activity, uniform long term data sets from numerous satellites were prepared. Of particular interest are the ISCCP D1 and DX data (ISCCP). The D1 data include observations from geostationary satellites and polar orbiting satellites sampled at 30 km and merged into a global dataset,  gridded  at a resolution of 2.5 degrees. The  DX data  are the same 30 km observation, they are not gridded and not merged into a global dataset, but rather,  provided independently for each observing satellite.  At this Web site, long term time series of radiative fluxes based on the D1 and DX data will be provided.  The primary objective of this project is to provide radiative fluxes at  a spatial resolution  of 0.5 degree , as produced at the University of Maryland under the PATHFINDER program.  To achieve this objective, procedures were developed to use the sampled 30 km resolution DX data,  optimally merge   observations from all available satellite observations, and to grid them at 0.5 degree resolution.   Auxiliary information needed for computing radiative tfluxes is available from the ISCCP DX  or  from the ISCCP D1 databases, as prepared at the Goddard Institute for Space Stdies (GISS).

Designed by Banglin Zhang and Chuan Li
Maintained by Chuan Li


Department of Meteorology

University of Maryland

Department of Meteorology

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