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List of Global Cubed-Sphere (CS510) ECCO2 Perturbation Experiments


ECCO2

List of ECCO2 cubed-sphere sensitivity experiments: Code Change.


cube01 : 1992-2002, no sea-ice dynamics, no surface salinity relaxation. Horizontal biharmonic viscosity: 4.7e11 m^4/s.

cube02 : 1992-2002, with sea-ice dynamics, surface salinity relaxation, and lower vertical viscosity and diffusivity. Bathymetry file changed from ver3b_filled to ver5e_filled.

cube03 : 1992-2002, same as cs510.nb.02 but with half the horizontal biharmonic viscosity: 2.4e11 m^4/s.

cube04 : 1992-1997, same as cs510.nb.03 but with correct sign for river runoff, fixed bug for sea-ice pickup files, open water albedo is .15 instead of .1, and wind stress under ice is same as that of open-water (lou:/u/menemenl/cube/cube04).

cube05 : 1992-2003, same as cs510.nb.04 but shortwave radiation and albedo have been adjusted for a more realistic sea-ice extent.

cube13 : 1992-2003, same as cs510.nb.12 but all albedos increased by 0.1.

cube14 : cs510.nb.14 : 1992-1994 same as cs510.nb.13 but with SEAICE_TEST_ICE_STRESS_1 and default seaice parameter values. Integrates OK, but produces even larger Antarctic polynyas (lou:/u/menemenl/cube/cube14).

cube25 : same as cube.24 but viscar is increased back to 1e-3.

cube26 : same as cube.25 with bug-fix to exf_bulkformulae.

cube31 : same as cube.28 but data.seaice has following parameters default values:
  SEAICE_drag = 0.002 _d 0
  OCEAN_drag = 0.001 _d 0
  SEAICE_waterDrag = 5.5 _d 0
  SEAICE_strength = 2.75 _d +04

cube37 : 1992-2006 same as cube.36 but with
  #define SEAICE_CGRID
  and with default SEAICEadvScheme undefined.

cube38 : 1992-2002 same as cube.37 but starting from WOCE climatology WGHC_(T/S)_510x6x510.bin

cube40 : 1992-2002 same as cube.38 but without specifying net shortwave radiation swflux for open water. Instead it is computed from net shortwave.

cube43 : 1992-2002 same as cube.40 but with bug fixes in growth.F, i.e., treatment of EVAP, HSNOW, and AREA.

cube48 : 1992-2002 same as cube49 but with more realistic initial sea-ice conditions taken from a PSC estimate.

cube50 : 1992-2002 same as cube49 but with SEAICEadvSnow=.true. and with more realistic initial sea-ice conditions as in cube48

cube55 : same as cube50 but with SEAICEuseFlooding=.TRUE. which converts snow to sea ice if flooded.

cube66 : same as cube67 but with
  SEAICE_MULTICATEGORY, SEAICE_VARIABLE_FREEZING_POINT,
  rhonil=1027.5, [temp/salt]AdvScheme=7, convertFW2Salt=-1, LSR_ERROR=1e-6
  useRealFreshWaterFlux=.TRUE., runoff_lat_inc=179*1,
  SEAICE_availHeatFrac=.5, HeffFile=heff_file8, HEFF_MAX=10
  useGMRedi=.TRUE., GM_background_K=200, GM_taper_scheme='ldd97'
  bathyFile=GEBCO_510x6x510_ver06_dig.bin
  hydrogSaltFile ='PHCS_JAN_510x6x510x50.bin'
  hydrogThetaFile='PHCT_JAN_510x6x510x50.bin'
  Bug: PHCT is in-situ rather than potential temperature
  THETA output was converted back to potential after integration but expected to impact regions of deep convection.

cube75 : blend #2

cube77 : same as cube75 but with SEAICE_SALINITY defined SEAICE_salinity = 0.3, and with era40_ecmwf_blend/cube59_GPCP forcing

cube78 : blend #3

cube79 : same as cube78 (blend3) but with useRelativeWind=.TRUE. and SEAICE_gamma_t=259200

Available model output files and data formats.

Data-equivalent products for above solutions.

Diagnostics for GSOP reanalysis evaluation effort.


All ECCO2 model and data products are freely available.
Questions and requests to Chris Hill or Dimitris Menemenlis.
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