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Water Mass Leakage in Simpler Coupled Model

jray

Ray Shi
New Member
Hi,

I'm currently setting up and running a Ridge model based on a simple coupled framework. The model is created following the instruction here: VisualCaseGen: Ridge World | Community Earth System Model. And the CESM version is cesm2_3_beta17_GUI.

I have diagnosed a water mass leakage issue in the coupled simulations. There is a negative drift in sea surface height over time. Additionally, the global integral of net freshwater flux into the ocean (wfo) is also negative. It indicates a loss of water mass from the ocean system.

How can I ensure freshwater conservation in this coupled configuration? Are there specific settings in CESM, MOM6, or ESMF that need to be modified to enforce conservation of freshwater fluxes?

I look forward to any suggestions or insights from the community.
Thanks
 
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