Laura Nielsen for Frontier Scientists – February 16, 2014– A roar sounded unheard somewhere in the vicinity of Glacier Bay National Park and Preserve in remote southeast Alaska. Stone and debris, long part of Mount La Perouse, suddenly bowed to gravity as one of the mountain’s near-vertical flanks collapsed. The colossal landslide carried an estimated […]
Laura Nielsen for Frontier Scientists – “Every day, Landsat satellites provide essential information for land managers and policy makers to support wise decisions about our resources and environment in the places we live and work.” (NASA) Matthew Hansen, University of Maryland, and co-author Thomas Loveland, U.S. Geological Survey, released an unprecedented record of global deforestation […]
Laura Nielsen for Frontier Scientists – Every eight days, a Landsat satellite carrying delicate sensing and scanning equipment passes high above wherever you might be on the planet. Data from Landsat mission images records changes on Earth’s surface since 1972, over the last four decades, and it’s freely available to scientists and the public. By visiting […]
The Landsat mission, a joint effort between the National Aeronautics and Space Administration (NASA) and the U.S. Geological Survey (USGS), has been collecting data on Earth’s physical features via satellite since the 1970s. “The Landsat data record — humanity’s longest continuous record of our planet from space — has been an invaluable tool for scientists and decision-makers in […]