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Re: [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2

To: saurabh rathore <rohitsrb2020@xxxxxxxxx>
Subject: Re: [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2
From: Ryo Furue <furue@xxxxxxxxxx>
Date: Mon, 28 Nov 2016 16:47:43 +0900
Cc: ferret users <ferret_users@xxxxxxxx>, Sudheer Joseph <sjo.india@xxxxxxxxx>, "Ansley C. Manke" <ansley.b.manke@xxxxxxxx>
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Saurabh,

i hope the land values are automatically taken care by the ferret while making zonal/meridional/box averages. is it so?

It is. Missing datapoints are regarded as non-existent. When average is computed, instead of

(dx1*a1 + dx2*a2 + missing + dx4*a4) / (dx1+dx2+dx3+dx4),

ferret computes

(dx1*a1 + dx2*a2 + dx4*a4)/(dx1+dx2+dx4).

For integral, it computes

dx1*a1 + dx2*a2 + dx4*a4,

ignoring the third gridpoint.

Ryo

Follow-Ups:
- Re: [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2
  - From: saurabh rathore

References:
- [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2
  - From: saurabh rathore
- Re: [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2
  - From: Ryo Furue
- Re: [ferret_users] query regarding the calculation of zonally averaged ocean heat content in joules rather than joules/m^2
  - From: saurabh rathore

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