Hi Sriram, Try a search for heat contentin the Users Group Archives at http://ferret.pmel.noaa.gov/static/Ferret_search/ferret_mail_archives.html. There are several threads that might help you get started. For instance, here is a question and answer from the archives on the topic. http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2003/msg00168.html Ansley Prakya Shree Ram wrote: Dear Ferreters, I want to calculate the heat content from surface to 300 meters layer. How to do it in ferret? Any suggestions in this regard are highly appreciated. Regards, Sriram |