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Norwegian Meteorological Institute met.no R&D, Section Oceanography Norwegian Meteorological Institute met.no Spinning up on HYCOM at met.no: Early results.

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Presentation on theme: "Norwegian Meteorological Institute met.no R&D, Section Oceanography Norwegian Meteorological Institute met.no Spinning up on HYCOM at met.no: Early results."— Presentation transcript:

1 Norwegian Meteorological Institute met.no R&D, Section Oceanography Norwegian Meteorological Institute met.no Spinning up on HYCOM at met.no: Early results with a hybrid-coordinate ocean model

2 Norwegian Meteorological Institute met.no R&D, Section Oceanography ^ ^ Layer 1 target density ~  1 Assume  1 <  1 Isopycnic interface adjustment: Hybrid coordinates Hybrid coordinate adjustment:  /z-levels:  sigma = D / N sigma  n = max[  min,min(  n,  sigma )] ~ 11 00 p0p0 p1p1 p2p2

3 Norwegian Meteorological Institute met.no R&D, Section Oceanography Baltic inflow Atlantic inflow Bottom topography outflow

4 Norwegian Meteorological Institute met.no R&D, Section Oceanography sponge climatology weak A. inflow strong A. inflow weak A.+B. inflow strong A.+B. inflow Density cross-section (January)

5 Norwegian Meteorological Institute met.no R&D, Section Oceanography climatology weak A. inflow weak A.+B. inflow spongestrong A. inflowstrong A.+B. inflow Salinity, layer 1

6 Norwegian Meteorological Institute met.no R&D, Section Oceanography Density, layer 3 (target: 1.8) climatology sponge weak A. inflow strong A. inflow weak A.+B. inflow strong A.+B. inflow

7 Norwegian Meteorological Institute met.no R&D, Section Oceanography climatology weak A. inflow weak A.+B. inflow spongestrong A. inflowstrong A.+B. inflow Thickness, layer 3

8 Norwegian Meteorological Institute met.no R&D, Section Oceanography Density, layer 5 (target: 2.5) climatology weak A. inflow weak A.+B. inflow spongestrong A. inflowstrong A.+B. inflow

9 Norwegian Meteorological Institute met.no R&D, Section Oceanography climatology weak A. inflow weak A.+B. inflow spongestrong A. inflowstrong A.+B. inflow Thickness, layer 5

10 Norwegian Meteorological Institute met.no R&D, Section Oceanography Density: Climatology (top) vs. weak A. inflow (bottom) 25 4 3 6

11 Norwegian Meteorological Institute met.no R&D, Section Oceanography Layer thickness: Climatology (top) vs. weak A. inflow (bottom) 25 4 3 6

12 Norwegian Meteorological Institute met.no R&D, Section Oceanography Density: Climatology (top) vs. strong A.+B. inflow (bottom) 25 4 3 6

13 Norwegian Meteorological Institute met.no R&D, Section Oceanography 25 4 3 6 Layer thickness: Climatology (top) vs. strong A.+B. inflow (bottom)

14 Norwegian Meteorological Institute met.no R&D, Section Oceanography climatology weak A. inflow, low res. Density cross-section (January) weak A. inflow, high res.

15 Norwegian Meteorological Institute met.no R&D, Section Oceanography climatology Salinity, layer 1 weak A. inflow, low res. weak A. inflow, high res.

16 Norwegian Meteorological Institute met.no R&D, Section Oceanography Density: Climatology (top) vs. weak A. inflow, high res. (bottom) 25 4 3 6 Density: Weak A. inflow, high res. (top) vs. low res. (bottom)

17 Norwegian Meteorological Institute met.no R&D, Section Oceanography Layer thickness: Weak A. inflow, high res. (top) vs. low res. (bottom) 25 4 3 6 Layer thickness: Climatology (top) vs. weak A. inflow, high res. (bottom)


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