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      • Hierarchy leafGravimetric humidity bias on 2008-04-07, 05 UTC
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        • Expanded. Click to collapseCollapsed. Click to showCoarse data
          • Hierarchy leafCoarse external data
          • Hierarchy leafIntroduction of new data
          • Hierarchy leafTemperature
        • Hierarchy leafDependencies
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          • Hierarchy leafnamcouple
          • Expanded. Click to collapseCollapsed. Click to showSchomburg scheme
            • Expanded. Click to collapseCollapsed. Click to showSchomburg rules
              • Hierarchy leafSchomburg rule
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          • Hierarchy leafEstimated resolutions
          • Expanded. Click to collapseCollapsed. Click to showFine external data from the Climate Limited-area Modeling community
            • Hierarchy leafDivided by 7
            • Hierarchy leafEmulation of the test data resolution
          • Hierarchy leafSRTM data
        • Hierarchy leafIntroduction
        • Hierarchy leafLiterature
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          • Hierarchy leafDeprecated dummy data
          • Hierarchy leafDummy coordinates
          • Hierarchy leafProcessing
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            • Hierarchy leafEccodes_handler
        • Hierarchy leafNaming schemes
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        • Hierarchy leafPrivacy policy
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        • Expanded. Click to collapseCollapsed. Click to showValidation
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            • Expanded. Click to collapseCollapsed. Click to showBias anecdote for gravimetric humidity
              • Hierarchy leafGravimetric humidity bias on 2008-04-04, 18 UTC
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              • Hierarchy leafSurface pressure bias on 2008-04-04, 18UTC
              • Hierarchy leafSurface pressure bias on 2008-04-07, 05UTC
            • Expanded. Click to collapseCollapsed. Click to showBias anecdote for temperature
              • Hierarchy leafTemperature bias on 2008-04-07, 05UTC
              • Hierarchy leafTemperature bias on 2008-04-04, 18UTC
            • Hierarchy leafgrib2bin.pl
          • Hierarchy leafSpatial average and variance before and after downscaling
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          • Hierarchy leafsva_DWD_forcing.ncl
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Project downscale

The bleeding edge

An example of coarse active grib data with a passe-partout An example of downscaling from Grib files
Fig. 1: This is only one example of a downscaled field, from 10 variables and hundreds of time steps. Left: A Grib file before interpolation. A passe-partout shows the area subjected to downscaling. Right: The result in NetCDF. Now, the plot only shows the concerned area.

The test case

As a test for the algorithm, there is coarse and fine data available in NetCDF. The results of the test run can be found in
source:data_oasis3/ann/benchmark/*e_cosmo.nc
Example of coarse active data from a NetCDF file Example of downscaled active data from test file
Fig. 2: The test results.

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