Posts Currently viewing the tag: "Remote Sensing"

Snowfall returned to the mountain ranges of western and central Colorado on September 18—the first significant accumulation of the 2002-03 snow season. Most of Colorado experienced drought conditions throughout the summer, so this precipitation was badly needed. In this true-color scene, acquired on Sept. 20 by the Terra MODIS sensor, the bright…(Read More)

The Moderate Resolution Imaging Spectroradiometer (MODIS), flying aboard NASA’s Terra and Aqua satellites, measures snow cover over the entire globe every day, cloud cover permitting. At spatial resolutions of up to 500 meters per pixel, MODIS allows scientists to distinguish between snow and clouds, both of which appear bright white when seen from above…(Read More)

Erta Ale volcano is a large basaltic shield volcano in the Erta Ale volcanic range in the central northern Danakil depression (NE Ethiopia). Erta Ale is one of the main attractions of the Danakil, and had become a popular tour destination in recent years. In Ethiopia’s Afar region—where three tectonic plates wrench themselves…(Read More)

Mining of stone and metal has been done since pre-historic times. Modern mining processes involve prospecting for ore bodies, analysis of the profit potential of a proposed mine, extraction of the desired materials, and final reclamation of the land after the mine is closed. The nature of mining processes creates a potential negative impact…(Read More)

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