This pair of Landsat images has compared the Ngoyzumpa Glacier located in Nepal Himalayas in 1989 and 2015. It shows that the supraglacial lakes on the glacier surface (melting ponds) have increased in amount and in size from 1989 to 2015. This reveals that with the global warming and rising temperature, the melting speed of glacier has increased. This pair of images serves as a good evidence for global warming and glacier retreat and help researcher investigate the glacier condition in the Himalayas, as the melting glacier and lakes might affect the agriculture and local residents in this area.
https://landsat.visibleearth.nasa.gov/view.php?id=90185
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