TOPICS.ZIP contains a set of routines for the study of 
polar ice characteristics. Size unzipped: 106MB

TIFFS_08_31_2000.ZIP contains .tif images produced by 
using TOPICS. Size unzipped: 380 MB

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Note: This code may be copied and modified so long as (1) original or
modified code is not redistributed for profit and (2) acknowledgement is
made that the original code was obtained courtesy of Mark R. Drinkwater
of the Polar Oceanography Group, Jet Propulsion Laboratory California
Institute of Technology.

For further information about the content of this code, please contact:

Mark R. Drinkwater
Head, Oceans/Sea-Ice Unit
European Space Agency (ESTEC)
Earth Sciences Division (APP-FSO)
Keplerlaan 1, Postbus 299,
2200 AG Noordwijk ZH
The Netherlands