Add Landsat 8 Ice Speed of Antarctica (LISA), Version 1#138
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weiji14 merged 3 commits intoegu2019_poster_figsfrom May 6, 2019
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Add Landsat 8 Ice Speed of Antarctica (LISA), Version 1#138weiji14 merged 3 commits intoegu2019_poster_figsfrom
weiji14 merged 3 commits intoegu2019_poster_figsfrom
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Adding LISA to gapfill MEASURES Ice Velocity later on. The actual file downloaded is a tar.gz archive which is quite large (882MB), but we only need one of the files inside the archive. More code to come later. Also, to support download of FTP files, I've replaced requests with urllib in the data_prep.download_to_path function. Requests library unpinned from Pipfile.
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Extract the one specific geotiff file we want after downloading the big .tgz/.tar.gz archive file! Implementation is a bit hacky, and it feels as though now would be a good time to switch to using DVC but why learn an existing wheel when I can make one? Anyhow, this hack allows us to continue using the same data_list.yml file structure, and most of our download workflow remains the same. Surprisingly, even the complicated BAS ramadda URLs should work! Could extend this code to support .zip files in the future.
Allow MEASURES Ice Velocity to be properly gapfilled by LISA by converting the latter from metres/day to metres/year through multiplying by 365.25. Using Rasterio rio command-line for this... Note that actual Ice Velocity training tiles remain the same, as there is nothing to gapfill (yet). Tweaked the selective_tile function to print "... done!" when tiling is finished, and raise an error if there are still NaN values after gapfilling. Also made other small tweaks like using the correct MEaSUREs Antarctic Ice Flow doi and switched jupytext format from py:percent to py:hydrogen.
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Closes #138 Add Landsat 8 Ice Speed of Antarctica (LISA), Version 1.
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Adding Landsat 8 Ice Speed of Antarctica (LISA), Version 1 with 750m spatial resolution. Used to fill in data gaps in the MEaSUREs) Ice Velocity 450m spatial resolution dataset (see also #20).
References:
TODO: