MODLAND Polar Grids

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North Pole

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South Pole

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  1. There are 626 non-fill 10 deg. by 10 deg. tiles in the grid. Half of the tiles (313) are in the north polar grid and the other half in the south polar grid.
  2. The north polar grid tile coordinate system starts at (0, 0) (horizontal tile number, vertical tile number) in the upper left corner and proceeds rightward (horizontal) and downward (vertical). The tile in the bottom left corner is (18, 18).
  3. The south polar grid tile coordinate system starts at (0, 20) and the tile in the bottom left corner is (18, 38).
  4. The polar grids are based on the Lambert Azimuthal Equal Area map projection centered on each pole. The grids are compatible with the NSIDC EASI grid.
  5. Table of Tile Bounding Coordinates.

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Updated January 6, 2000 (rw)