Global Image Grid

Some of our higher resolution global imagery are provided as individual tiles to facilitate easier downloading and manipulation. These large image tiles have column and row indicators as part of their file name (e.g., “A1”, “B2”, etc.) and are tiled according to the grid and table listed below.

Global Image Grid
column/row Upper left Lower right
A1 90N 180W 0N 90W
B1 90N 90W 0N 0W
C1 90N 0W 0N 90E
D1 90N 90E 0N 180E
A2 0N 180W 90S 90W
B2 0N 90W 90S 0W
C2 0N 0W 90S 90E
D2 0N 90E 90S 180E