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[ferret_users] regarding ocean area

Dear Ferreters

i am have one small doubt (just for the sake of confirmation) that while making zonal/meridional/box averages of ocean data lets say SST for the region x=20E:140E and y=90S:90N so does the ferret considering land region also for averaging or it is just averaging the ocean region in that box area. Because if ferret is making the averages considering the land part then the zonal/meridional/box averages of ocean data is wrongly calculated and interpreted.
i hope the land values (NAN if no data) are automatically taken care by the ferret while making zonal/meridional/box averages. is it so?

Apart from that how to get the area of ocean basin ? suppose i want to calculate total heat content of global ocean in joules (a line plot) so how to get the global ocean area only such that
let OHC=heat[z=0:700@ave,x=@ave,y=@ave]  !! units are j/m^2
let TOHC=OHC*(global ocean area)                   !! units are j, TOHC=total OHC

​is global ocean area is the complete box (i.e. x=360*110*1000, y=180*110*1000) if it is so then this is covering land region also along with ocean region but our variable is defined over ocean only not on land.  how to get the desired result for ocean area only ? please help me to get rid out of this puzzle.

regards saurabh​



Saurabh Rathore
Research Scholar (PhD.)
Centre For Oceans, Rivers, Atmosphere & Land Science Technology
Indian Institute Of Technology, Kharagpur
contact :- 91- 8345984434

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