[ecco-support] ecco-support Digest, Vol 52, Issue 13

[ZelunWu]

Hi Dr. Ou,
Got it, thanks for your patience!

With best regards,
Zelun

> On May 23, 2020, at 12:02, ecco-support-request at mit.edu wrote:
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> Today's Topics:
> 
>   1. Surface heatflux budget (Zelun Wu)
>   2. Re: [EXTERNAL]  Surface heatflux budget (Wang, Ou (US 329B))
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Fri, 22 May 2020 18:15:32 -0400
> From: Zelun Wu <zelunwu at stu.xmu.edu.cn>
> Subject: [ecco-support] Surface heatflux budget
> To: <ecco-support at mit.edu>
> Message-ID: <7DFC0716-D480-4653-8F54-46972C4F8675 at stu.xmu.edu.cn>
> Content-Type: text/plain;    charset=utf-8
> 
> Dear ECCO teams,
> I am trying to decompose the surface heat flux into different components. According to the ecco_v4_py tutorial and the model output description, ?TFLUX? is the total heat flux into the ocean, however, when I try to decompose it into different components, I found that:
> 
> TFLUX = oceQsw (net downward shortwave) + EXFhl (latent heat) + EXFhs (sensible heat) - EXFlwnet (net downward longwave)
> 
> This equation can?t be satisfied, while the another equation:
> 
> oceQnet = oceQsw + EXFhl + EXFhs - EXFlwnet
> 
> can.
> 
> I just wonder what is the difference between oceQnet and TFLUX ? Their values are close to each other, with most of the bias less than 10 w/m^2.
> Or do I miss any term from the model output?
> 
> Thanks a lot.
> 
> Best,
> Zelun Wu.
> 
> 
> 
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Fri, 22 May 2020 22:27:41 +0000
> From: "Wang, Ou (US 329B)" <ou.wang at jpl.nasa.gov>
> Subject: Re: [ecco-support] [EXTERNAL]  Surface heatflux budget
> To: "ECCO support list, wider membership" <ecco-support at mit.edu>
> Message-ID: <7248AC79-DD6E-4D06-B88C-80610CD00A9F at jpl.nasa.gov>
> Content-Type: text/plain; charset="utf-8"
> 
> Hello,
> 
> TFLUX includes the change to the total ocean heat content from changing ocean mass, while oceQnet doesn't. ECCO V4 uses the real freshwater flux boundary condition and therefore changing ocean mass due to evaporation/precipitation/runoff will change the ocean heat content. 
> 
> Best,
> Ou
> 
> ?On 5/22/20, 3:18 PM, "ecco-support-bounces at mit.edu on behalf of Zelun Wu" <ecco-support-bounces at mit.edu on behalf of zelunwu at stu.xmu.edu.cn> wrote:
> 
>    Dear ECCO teams,
>    I am trying to decompose the surface heat flux into different components. According to the ecco_v4_py tutorial and the model output description, ?TFLUX? is the total heat flux into the ocean, however, when I try to decompose it into different components, I found that:
> 
>    TFLUX = oceQsw (net downward shortwave) + EXFhl (latent heat) + EXFhs (sensible heat) - EXFlwnet (net downward longwave)
> 
>    This equation can?t be satisfied, while the another equation:
> 
>    oceQnet = oceQsw + EXFhl + EXFhs - EXFlwnet
> 
>    can.
> 
>    I just wonder what is the difference between oceQnet and TFLUX ? Their values are close to each other, with most of the bias less than 10 w/m^2.
>    Or do I miss any term from the model output?
> 
>    Thanks a lot.
> 
>    Best,
>    Zelun Wu.
> 
> 
> 
> 
> 
> 
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> End of ecco-support Digest, Vol 52, Issue 13
> ********************************************