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Ocean-LETKF v1.0.0
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@StevePny StevePny released this 22 Oct 19:15
v1.0.0
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This is the initial release of the Ocean-LETKF software. The Ocean-LETKF was developed by Prof. Stephen G. Penny at the University of Maryland, based on an earlier LETKF software release by Prof. Takemasa Miyoshi. The current software supports ocean data assimilation for number of different ocean models used for operational forecasting by NOAA, NASA, and the U.S. Navy.

The data assimilation system is described in more detail by:

Penny et al. (2015), "A Hybrid Global Ocean Data Assimilation System at NCEP":
https://journals.ametsoc.org/view/journals/mwre/143/11/mwr-d-14-00376.1.xml.

Penny et al. (2013), "The local ensemble transform Kalman filter and the running-in-place algorithm applied to a global ocean general circulation model":
https://npg.copernicus.org/articles/20/1031/2013/

The core software is used in the NASA GEOS-S2S version 2, as described here:

Molod et al. (2020), "GEOS-S2S Version 2: The GMAO High-Resolution Coupled Model and Assimilation System for Seasonal Prediction"
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019JD031767

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