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@yuhi-n yuhi-n commented Jan 16, 2026

This is Yuhi Nakamura, AORI, the University of Tokyo. I am a member of Japanese EarthCARE project team.

Prof. Kenta Suzuki and I are developing new simulator code to accommodate Doppler velocity observation by EarthCARE CPR.
I am submitting this request to have my code reviewed and merged into COSP2.

This is an extension of the quickbeam routine to calculate Doppler velocity and spectrum width. Statistics is provided separately for stratiform and convective clouds because vertical air motion is differently obtained in a typical GCM.
I am providing test dataset generated by MIROC6 and python notebooks for visualization.

Could you please review our codes and provide comments so that the new observation can be utilized for evaluating climate models?
Thank you for your all effort on review processes.

@RobertPincus
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@yuhi-n This is exciting. While we are getting specialists to review the code please resolve the conflicts with COSP, which was recently updated to include another simulator.

@mo-abodas
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@yuhi-n thanks for opening this PR. Is there any publication that documents this Doppler simulator? If so, please could you add a link in the description above?

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3 participants