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UrduA West Virginia University researcher says Tuesday’s (July 23) surprise hydrothermal explosion at Yellowstone National Park’s Biscuit Basin doesn’t mean a larger eruption of the Yellowstone volcano is imminent. The explosion, captured on video by park visitors, launched debris into the…
Tag: Topography
New Technique Maps Large-scale Impacts of Fire-induced Permafrost Thaw in Alaska
For the first time, researchers have developed a machine learning-based ensemble approach to quantify fire-induced thaw settlement across the entire Tanana Flats in Alaska, which encompasses more than 3 million acres. They linked airborne repeat lidar data to time-series Landsat products (satellite images) to delineate thaw settlement patterns across six large fires that have occurred since 2000. The six fires resulted in a loss of nearly 99,000 acres of evergreen forest from 2000 to 2014 among nearly 155,000 acres of fire-influenced forests with varying degrees of burn severity. This novel approach helped to explain about 65 percent of the variance in lidar-detected elevation change.
Eureka! A cost effective and quick way to find groundwater in arid regions
Water is a scarce commodity in many countries worldwide, but new cost effective technology pioneered by researchers in Australia, Egypt and Saudi Arabia could ensure sustainable water supplies for decades to come.