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Complete transcript available.
Music:
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Down Terrace by Damien Deschamps [SACEM]
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"description": "On September 20, 2017, Hurricane Maria barreled across Puerto Rico with winds of up to 155 miles per hour and battering rain that flooded towns, knocked out communications networks and destroyed the power grid. In the rugged central mountains and the lush northeast, Maria unleashed its fury as fierce winds completely defoliated the tropical forests and broke and uprooted trees, and heavy rainfall triggered thousands of landslides that mowed over swaths of steep mountainsides.
NASA’s Earth-observing satellites monitor the world’s forests to detect seasonal changes in vegetation cover or abrupt forest losses from deforestation, but at a coarse resolution. To get a more detailed look, NASA flew an airborne instrument called Goddard’s Lidar, Hyperspectral and Thermal Airborne Imager, or G-LiHT. From the belly of a small aircraft flying one thousand feet above the trees, G-LiHT collected multiple measurements of forests across Puerto Rico, including high-resolution photographs, surface temperatures and the heights and structure of the vegetation.