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Tais that Bind (DAAC Study)
methods ensured reliable rice production and, ultimately, a well-fed population. For the Tai irrigation system to work, the minimal political unit was village-sized, requiring a complex division of labor to ensure system functionality. Alternatively, the Mon-Khmer opted for a less comp...
Remote River Reconnaissance
maps, it was just not good enough.” Abell, Lehner, and their colleagues initially studied watersheds around the Madre de Dios River in South America. (© 2005 damclean.) Lehner and Abell needed a more detailed data source, and for that Lehner turned to topographic ...
Visions of a Cloudy Continent (DAAC Study)
introduced topography, the map's third dimension. Finally, Chavez and his team further enhanced the map's topographic component by creating stereoperspective views for the digital version. Never before seen on maps, faint features of the Antarctic Plateau (the massive u...
When Land Slides (DAAC Study)
resolution, and making it especially useful for mapping the geomorphology of landslides. "SAR images provide information on the terrain roughness and texture, while TM images provide an infrared reflection of the object," said Singhroy. By combining two images from different ins...
Coal Controversy In Appalachia
restore the land to its original shape—the “approximate original contour”—as best they can. Variances could be granted if the coal operator offered specific plans for post-mining development that would benefit the community, such as schools, housing, or shoppin...
New Light on Ice Motion (DAAC Study)
MODIS' sensitivity to small variations in reflected light facilitates researchers' ability to track subtle ridges left by slight changes in flow pattern. Each image contains the digital equivalent of thousands of shades of gray, providing impressive contrast that highlights subtle ice sheet a...
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