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Timestamp:
07/26/13 20:19:25 (11 years ago)
Author:
pinsard
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end of 20130725 update data

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  • trunk/adm/website/Readme.rst

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    10 The TropFlux project aims at providing daily, timely, accurate air-sea heat and momentum flux data for the entire 30°N-30°S region.  Wind stresses and the four components of net surface heat flux are currently available for the entire 1979 to July 2012 period. We are currently working on a regular (~monthly) update of the TropFlux product until 3-4 months behind realtime, which should be available in 2013. 
     10The TropFlux project aims at providing daily, timely, accurate air-sea heat and momentum flux data for the entire 30°N-30°S region.  Wind stresses and the four components of net surface heat flux are currently available for the entire 1979 to March 2013 period. We are currently working on a regular (~monthly) update of the TropFlux product until 3-4 months behind realtime. 
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    1212TropFlux is largely derived from a combination of ERA-I re-analysis data for turbulent and longwave fluxes, and ISCCP surface radiation data for shortwave flux. All input products are bias- and amplitude-corrected on the basis of Global Tropical Moored Buoy Array data, before surface net heat flux and wind stresses are computed using the COARE v3 bulk algorithm. A precise description of the flux computation procedure, as well as a detailed evaluation against other timely, daily air-sea heat flux alternatives (OAFLUX, NCEP, NCEP2, ERA-I) is provided in Praveen Kumar et al. 2012. The wind stress product is described, evaluated and compared against other widely used products (QuikSCAT, NCEP, NCEP2, ERA-I) in Praveen Kumar et al. 2013 
     
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    1616 - better variability and less biases than re-analysis fluxes (and equivalent or slightly better than the best performing products: OAFLUX for heat fluxes and ERA-I for wind stresses) , 
    17  - available until July 2012, and soon updated every month, lagging realtime by ~3 months, 
     17 - available until March 2013, and soon updated every month, lagging realtime by ~3 months, 
    1818 - a simple estimate of surface shortwave radiation is provided from OLR data, as a near-realtime alternative to the more accurate but irregularly updated ISCCP data. 
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