NOAA AVHRR Pathfinder Satellite Archive 1981-2000

The dataset at NoSerC's archive contain monthly averaged values of Aerosol Optical Thickness (X100) for the period from September 1981 to December 2000. Data is in a global 1 by 1 degree grid. The data is stored in plain ASCII-format, one file for each month (filename is 'monYY.txt') and placed in directory /noserc2/extdata/felles/noaa/avhrr_pathfinder/aotx100/

For information, an excerpt from oct95.txt is available.

Details about the dataset may also be found at http://las.saa.noaa.gov/, under AVHRR PATHFINDER.

Selected data can also be graphically displayed at the above adress, see example below:

Frode Stordal (Frode.Stordal@nilu.no) and Mona Johnsrud (mj@nilu.no) presently at Norwegian Institute for Air Research (http://www.nilu.no) has made the data available.