NASA: Welche Flurformen? USA


Around the world, agricultural practices have developed as a function of topography, soil type, crop type, annual rainfall, and tradition.
In Minnesota the very regular grid pattern reflects early 19th century surveying; the size of the fields is a function of mechanization and that dictates a certain efficiency.
Each ASTER sub-image covers an area of 10.5 x 12 km.

NASA/GSFC/METI/ERSDAC/JAROS,
and U.S./Japan ASTER Science Team
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