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4 articles tagged with GLAD Tree Cover Loss

GLAD Alerts Under Construction

By Mikaela Weisse You may have noticed that there haven’t been any new visualizations or subscription emails for GFW’s GLAD tree cover loss alerts in the last few weeks – we’ve encountered a bug that’s preventing us from registering new alerts in our system. Basically, it’s a big data problem: the alerts are so numerous […]

We Know How Forests Changed this Month, Thanks to New Satellite Alerts

Sunrise over Cordillera National Park, Peru. Source: Toni Fish (Flickr). It’s a warm August day in the pristine forest of Cordillera Azul National Park, located in Central Peru’s Amazon Rainforest. Cordillera Azul, home to more than 1,800 species of plants and animals, is one of the most biologically diverse areas in the world—and one of […]

How accurate is accurate enough? Examining the GLAD global tree cover change data (Part 1)

Part 2 of this blog series available here. In 2013, Dr. Matt Hansen and collaborators at the University of Maryland’s Global Land Analysis and Discovery group (GLAD), Google, U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA) released the first global scale method for annually monitoring changes in tree cover using 30-meter […]

How accurate is accurate enough? Examining the GLAD global tree cover change data (Part 2)

Part 1 of this blog series available here. In Part 1 of the GLAD tree cover data accuracy blog series, we explained two different accuracy assessments of the global tree cover loss and gain data produced by Dr. Matt Hansen and collaborators at the University f Maryland’s Global Land Analysis and Discovery group (GLAD), Google, the U.S. […]