water-control (Other Keyword)
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An agricultural risk mitigation strategy using multiple water sources, Chaco Canyon, New Mexico (2016)
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From approximately 850 to 1250 A.D., despite an extremely arid environment, the ancient people of Chaco Canyon were able to marshal the food production and engineering skills to build a string of "Great Houses", several containing hundreds of rooms. This poster describes a system of multiple water sources supplying the agricultural area below the Great House at Peñasco Blanco. High-resolution aerial lidar was key to identifying the multiple water sources. Rainfall and snow are the source of...