The GHRSST_PP ALADIN DW data base

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The GHRSST_PPALADIN DW data base

• Emmanuelle Autret, Mark Fillipiak,
• Pierre LeBorgne, Hervé Roquet
• Ifremer, Brest Univ. of Edinburgh
  M-F/CMS, Lannion
• Presented at the 8th GHRSST meeting,
• Melbourne, Australia, May 2007

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Foreword

• The ALADIN model outputs available in this
  database have been provided by Météo-France on
  request of the Director of the GHRSST-PP Projret
  Office (Craig Donlon) and are restricted to
  research activities within the GHRSST-PP.
• Database available though
• ftp//ftp.ifremer.fr/ifremer/cersat/projects/ghrss
  t-dvwg/aladin-dw/

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Data base content overview

• Coverage 35N-55N 11W_17E, 0.1 resolution
• Daily files from the 1st April till the 30th
  September 2006
• lat,lon
• landmask, analyzed_sst)
• HOURLY VARIABLES
• ALADIN outputs (U_wind, V_wind, net_ssi, net_dli,
  latent_heat, sensible_heat)
• ECMWF outputs (as above)
• mw wind (speed, time, origin)
• dt_analysis (DT, error)
• reference SST
• MSG derived radiative fluxes (ssi, dli)
• MSG derived Saharan Dust Index (sdi)

ECMWF fluxes at 6, 12, 18 and 24 only
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Data base contentAnalyzed SST
Contact Hervé.Roquet_at_meteo.fr
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Data base contentALADIN outputs
ECMWF fluxes at 6, 12, 18 and 24 only
Contact Hervé.Roquet_at_meteo.fr
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Data base contentECMWF outputs
Contact Emmanuelle.Autret_at_ifremer.fr
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Data base contentMicrowave winds
Contact Gentemann_at_remss.com
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Data base contentDT_Analysis
Error error_analysis2 error_SST21/2
2 -0.304, 0.63 3 -0.016, 0.596 4 -0.007,
0.412 5 0.035, 0.384
Contact Pierre.LeBorgne_at_meteo.fr
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Data base contentreference_SST
Contact Mark.Filipiak_at_staffmail.ed.ac.uk
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Data base contentradiative fluxes
Contact Anne.Marsouin_at_meteo.fr
WARNING radiative fluxes are 30 minutes apart
from SST Data Ex time1 correspond to SSI
approximate time of 0030 UTC (over the Med.
About 5 mns before nominal time)
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Data base contentSaharan Dust Index
Contact Pierre.LeBorgne_at_meteo.fr
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SST VALIDATION www.osi-saf.org
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SST VALIDATION Inter comparison 2006
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SST VALIDATION Inter comparison 2005
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(No Transcript)
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SSI VALIDATION www.osi-saf.org
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DLI VALIDATION www.osi-saf.org
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Impact of Resolution full 24 hrs cycles DT gt 0.5
, 10UTC lt tpeaklt19UTCDT_peakf(SSI,wind)
900ltSSIlt1000 w/m2, 0ltUlt2 m/s (Autret LeBorgne,
Key Largo)
Max DT
Mean DT and St. Dev.
?
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(No Transcript)
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Also available through ftp//ftp.ifremer.fr/ifreme
r/cersat/projects/ghrsst-dvwg/aladin-dw/
2 -0.386, 0.714 3 -0.122, 0.399 4 -0.172,
0.615 5 0.068, 0.362
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Related OSI-SAF databases

• Sst1h 0.05 degree resolution, hourly. Please
  consider bad (2) data by day!
• Flx1h SSI and DLI 0.1 degree resolution, hourly
• Available under ftp//ftp.ifremer.fr/ifremer/cersa
  t/products/gridded/experimental-cms
• NETCDF
• GOES-E from June 2001
• MSG from June 2004

• Net radiative flux at the air/sea interface
  0.1 degree resolution, daily
• SST foundation analysis 0.1 degree resolution,
  daily
• Available under ftp//ftp.ifremer.fr/ifremer/cms
• NETCDF
• from January 2003