24 Sep '11, 10pm

Four Corners, Southwestern U.S.: Acquired June 11, 2001, this false-color image shows the arid region where U...

acquired June 11, 2001 download large image (3 MB, JPEG) acquired June 11, 2001 download GeoTIFF file (11 MB, TIFF) In just one place in the United States do four states meet. The borders of Utah, Colorado, New Mexico, and Arizona intersect at Four Corners, west of the confluence of the Mancos and San Juan Rivers. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this image of the region on June 11, 2011. ASTER produces images using infrared, red, and green wavelengths of light. Vegetation is red, and sparsely vegetated or bare areas range from off-white to gray to tan. Water appears navy blue to nearly black. Vegetation (bright red) lines the braided river channels, but the rarity of red in this image attests to the general paucity of vegetation in the region, where shrubs dot plateaus and dry valleys. Maps from ...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=52242&s...

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Four Corners, Southwestern U.S.: Acquired June ...

earthobservatory.nasa.gov 24 Sep '11, 10pm

acquired June 11, 2001 download large image (3 MB, JPEG) acquired June 11, 2001 download GeoTIFF file (11 MB, TIFF) In jus...

Four Corners, Southwestern U.S. [image] #NASA

earthobservatory.nasa.gov 24 Sep '11, 10pm

In just one place in the United States do four states meet. The borders of Utah, Colorado, New Mexico, and Arizona interse...

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earthobservatory.nasa.gov 25 Sep '11, 10pm

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