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OceanMAPS 3.3 developments
Divakaran, Brassington, Sakov, Velic, Huang, Zhong, Fiedler, Chamberlain, Sandery and Kiss
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Ocean Model Analysis and Prediction System OceanMAPS version 3.2
Ocean ModelMOM 5, Griffies et al., 2008z* vertical coordinateSmith and Sandwell, v11.13600×1500×51
0-360, 75S-75N (0.1°×0.1°)0-15 m (Δz = 5 m)15-90 m (Δz~5 to 10 m)90-200m (Δz=10 m)Minimum column depth – 15 m
GOTM, K-eps mixed layer schemeNo tidesNo sea-ice
Data AssimilationENKF-C (Sakov, 2014)Ensemble optimal interpolationState vector (eta, T, S, u, v)144-member ensemble Restart initialisation
ObservationsSatellite altimetry (Jason3, Sentinel3A, Cryosat2, AltiKa) Satellite SST (Metop-A, Metop-B, VIIRS, AVHRR, AMSR2)In situ profiles Argo, CTD, XBT
ForcingACCESS-G APS2 (fluxes)Climatological river discharge
Thanks also to GFDL, the global ocean observing system, IMOS and JCOMM
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Ocean Model Analysis and Prediction System OceanMAPS version 3.2
Ocean ModelMOM 5z* vertical coordinateSmith and Sandwell, v11.13600×1500×51
0-360, 75S-75N (0.1°×0.1°)0-15 m (Δz = 5 m)15-90 m (Δz~5 to 10 m)90-200m (Δz=10 m)Minimum column depth – 15 m
GOTM, K-eps mixed layer schemeNo tidesNo sea-ice
Data AssimilationENKF-C (Sakov, 2014)Ensemble optimal interpolationState vector (eta, T, S, u, v)144-member ensemble
Observations Satellite altimetry (Jason3, Sentinel3A, Cryosat2, AltiKa) Satellite SST (Metop-A, Metop-B, VIIRS, AVHRR, AMSR2)In situ profiles Argo, CTD, XBT
ForcingACCESS-G APS2 (fluxes)Climatological river discharge
Thanks also to GFDL, the global ocean observing system, IMOS and JCOMM
![Page 4: Prasanth Divakaran - COSIMAcosima.org.au/wp-content/uploads/2019/09/Prasanth... · Ocean Model Analysis and Prediction System OceanMAPSversion 3.2 Ocean Model MOM 5 z* vertical coordinate](https://reader036.vdocuments.net/reader036/viewer/2022062415/5fbd1b7dd2c5fc399d45037e/html5/thumbnails/4.jpg)
Ocean Model Analysis and Prediction System OceanMAPS version 3.3
Ocean ModelMOM 5z* vertical coordinateSmith and Sandwell, v11.13599×1499×51
0-360, 75S-75N (0.1°×0.1°)0-15 m (Δz = 5 m)15-90 m (Δz~5 to 10 m)90-200m (Δz=10 m)Minimum column depth – 15 m
GOTM, K-epsNo tidesNo sea-ice
Data AssimilationENKF-C (Sakov, 2014)FGAT - Ensemble optimal interpolationState vector (eta, T, S, u, v)144-member ensemble Restart initialisation
ObservationsSatellite altimetry (Jason3, Sentinel3A, Cryosat2, AltiKa) Satellite SST (Metop-A, Metop-B, VIIRS, AVHRR, AMSR2)In situ profiles Argo, CTD, XBT
ForcingACCESS-G APS3 (bulk-formulae)Climatological river discharge
Thanks also to GFDL, the global ocean observing system, IMOS and JCOMM
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CLASS-4 Global Ocean Forecast Intercomparison
Analysis
24 Hr Forecast
48 Hr Forecast
72 Hr Forecast
96 Hr Forecast
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CLASS-4 Global Ocean Forecast Intercomparison
Analysis
24 Hr Forecast
48 Hr Forecast
72 Hr Forecast
96 Hr Forecast
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OceanMAPS Data Assimilation Statistics – SST Analysis
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OceanMAPS Data Assimilation Statistics – SST Forecast
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OceanMAPS Data Assimilation Statistics – TEMP Analysis
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OceanMAPS Data Assimilation Statistics – TEMP Forecast
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OceanMAPS Data Assimilation Statistics – SALT Analysis
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OceanMAPS Data Assimilation Statistics – SALT Forecast
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OceanMAPS Data Assimilation Statistics – SLA Analysis
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OceanMAPS Data Assimilation Statistics – SLA Forecast
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Monthly Mean SST Data Assimilation increment
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Summary
o OceanMAPS 3.3 system planned to use ACCESS-APS3 fluxes in bulk mode.
o Along with improved implementation of k-ɛ mixing scheme, and FGAT DA assimilation.
ü The current OceanMAPS 3.3 Dev system show improvements in SST and SALT compared to operational version.
ü TEMP and SLA MAE are comparable to OceanMAPS3.2 operational version.