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| 3 | .. |
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| 4 | .. TODO |
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| 5 | .. ==== |
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| 6 | .. |
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[53] | 7 | .. outline overvieuw vs home |
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[38] | 8 | .. |
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| 9 | .. EVOLUTIONS |
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| 10 | .. ========== |
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[53] | 11 | .. |
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| 12 | .. - fplod 20110623T160124Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 13 | .. |
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| 14 | .. * add JV text |
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| 15 | .. |
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[38] | 16 | .. - fplod 20110407T083446Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 17 | .. |
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| 18 | .. * creation (draft) from networkx/networkx/doc/source/overview |
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| 19 | .. |
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| 20 | .. - |
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| 21 | .. |
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| 22 | |
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[53] | 23 | .. _overview: |
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[38] | 24 | |
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[53] | 25 | Overview |
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| 26 | ======== |
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[38] | 27 | |
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[53] | 28 | The TropFlux project aims at providing daily, timely, accurate air-sea heat flux data for the entire 30°N-30°S region. |
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[38] | 29 | |
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[53] | 30 | The four components of net surface heat flux are currently available for the entire 1989-2010 period. We are currently working on a regular (~monthly) update of the TropFLux product until 3-4 months behind realtime, which should be available by 2012. |
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[38] | 31 | |
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[53] | 32 | TropFlux is largely derived from a combination of `ERA-I <http://www.ecmwf.int/research/era/do/get/era-interim>`_ re-analysis data for turbulent and longwave fluxes, and `ISCCP <http://isccp.giss.nasa.gov/>`_ surface radiation data for the shortwave flux. All input products are bias- and amplitude-corrected on the basis of `Global Tropical Moored Array <http://www.pmel.noaa.gov/tao/global/global.html>`_ data, before surface net heat flux is computed using the `COARE v3 bulk algorithm <http://www.coaps.fsu.edu/COARE/flux_algor/>`_. 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. (2011) <http://www.locean-ipsl.upmc.fr/~tropflux/papers/TropFlux_paper_accepted_r.pdf>`_. |
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[38] | 33 | |
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[53] | 34 | We believe that this product offers the following advantages: |
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| 35 | - better variability and less biases than re-analysis fluxes (and equivalent performance to OAFLUX) |
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| 36 | - available until the end of 2010, and soon updated every month, lagging realtime by ~3 months |
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| 37 | - 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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[38] | 38 | |
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[53] | 39 | The TropFLux product has been developed under a collaboration between `Institut Pierre Simon Laplace <http://www.ipsl.fr/>`_, France and `National Institute of Oceanography <http://www.nio.org/>`_, India. |
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| 40 | |
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