Joshua Marder, Columbia University, Himalayas discussed on All Things Considered

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The glaciers in the Himalayan mountains are melting what they found is notable but what's also notable how they found it here's NPR spin one it starts with spy satellites these satellites for of course put up to essentially peer over the Iron Curtain summer repair from the university of Utah says that high resolution spy satellites were launched during the Cold War to take pictures of hard to reach places on earth somebody that has been declassified in the last decade and so Ripper and her colleagues are using those images to figure out what glaciers and the Himalayas looks like back in the nineteen seventies and eighties Joshua Marder at Columbia University is lead author on the new study in science advances he's having a historical record is super useful glaciers making respond to climb it over time scales that are fairly long and so the fact that we can look back further in time several decades ago really helps us in down how they are responding to the climate compare the spy satellite data with images taken in the last twenty years and they found that the glaciers in the Himalayas have been losing twenty inches of ice a year that means the melting twice as fast now as they were in the eighties and nineties the Himalayas glaciers supply fresh water for billions of people in South Asia more than half of those glaciers are projected to melt in the next eighty years because of climate change Ripper says that she's glad the state is out there and available to researchers it's a treasure trove for scientists to what we're doing is catching changes in the train so you could do this for a landslide you could do it for mechanic corruptions we focus on glaciers but these images are useful for any sort of land surface changes that people might be interested in overtime other researchers have used spy satellite images to look at ice cover in the arctic streams in the Antarctic and meet your path thing long and peonies and I am not gonna lie one of my very favorite duties at all things considered is our annual holiday cocktail chat today we are ringing out twenty nineteen and ringing in the new year with a new cocktail expressly invented to set the tone for twenty twenty when the inventor is self described bartender at large Eddie camera contender by the way for best title ever he is also co host of the shift drink a podcast and he came by our studio to mix me his drink for the new year which he has christened truth.

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