Historic GCIP/GAPP SRB data can be accessed via our FTP. Please regist first. All files in the archive are compressed using the utility "gzip". (NOTE: you might need to save the file manually.) For detailed information on file names, file structure, grid and sample Fortran read programs, click the word Readme.

The following parameters starting from January 1996 are available:

• surface downward flux
• surface downward photosynthetically active radiation (PAR)
• top of atmosphere downward flux
• top of atmosphere upward flux

• cloud cover fraction

The following parameters starting from May 1997 are available:

• Surface Skin Temperature

Note: The NOAA/NESDIS algorithm was used, and it is applied for daytime only.

The following parameters are available for 1997 and 1998 only:

• Surface albedo

The following parameters are available for 1998 only:

• Diffuse PAR