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Sharing the results of high- resolution ocean general circulation model under a multi-discipline frame work-a review of OFES activities Yukio Masumoto.

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Presentation on theme: "Sharing the results of high- resolution ocean general circulation model under a multi-discipline frame work-a review of OFES activities Yukio Masumoto."— Presentation transcript:

1 Sharing the results of high- resolution ocean general circulation model under a multi-discipline frame work-a review of OFES activities Yukio Masumoto

2 Outline Introduction Model description OFES runs and outputs Analyses of physical aspect using OFES results Analyses of biogeochemical/ecosystem aspects using OFES results

3 Introduction OFES (OGCM for the Earth Simulator) – Project of Japan Agency for Marine-Earth Science and Technology (JAMSTEC) – Consider the limitation of high-resolution modeling effort – Share the invaluable output among physical, geochemical and ecosystem research

4 Model description Modular Ocean Model version 3 (MOM3) developed at GFDL/NOAA 3D primitive eq. in spherical coordinates under Boussinesq and hydrostatic approximation 75°S to 75°N, 54 vertical level, etopo2 K-profile parameterization(Large et al. 1994) CFC- concerned

5 Model runs and outputs 50-year climatological runs applied NCEP/NCAR reanalysis mean from 1950-1998. After spin-up, the model is driven by daily mean wind stresses obtain from NCEP/NCAR reanalysis for a period from 1950-2008.

6 Analyses of physical aspects using OFES result

7 Zonally coherent zonal current structures

8 Frontal structure in the Kuroshio/Oyashio Extension

9 Decadal variations in North Pacific Ocean

10 Dynamics of recirculation gyre in the Kuroshio extension region

11 Responses of surface currents to the winds near Hawaiian islands.

12 Decadal variations in SSH in the South Pacific Ocean

13 Heat budget in the upper mixed-layer in the southeastern Indian Ocean.

14 Effects of eddy variability on the circulation in the northwestern Atlantic Ocean

15 Structure of cyclonic eddy in the Antarctic Divergence off Adelie Coast

16 Deep mixed-layer depth in formation regions of subantarctic mode water in the southern ocean

17 Simulated CFC-11 distribution in the Weddell Sea


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