Okjokull Dead Glacier #1 Photograph by Nasa Earth Observatory, Joshua Stevens/u.s. Geological Survey/science Photo Library

Okjokull Dead Glacier #1

by Nasa Earth Observatory, Joshua Stevens/u.s. Geological Survey/science Photo Library

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Title

Okjokull Dead Glacier #1

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Nasa Earth Observatory, Joshua Stevens/u.s. Geological Survey/science Photo Library

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Description

Okjokull dead glacier, Iceland, satellite images. In the image at right, taken in 1986, Okjokull glacier is the white area above centre. By 2019, when the image at left was taken, the glacier has been reduced to patches of thin ice and meltwater (blue). In 1901 it was estimated that Okjokull covered an area of around 38 square kilometres. As the world warmed during the 20th century, the glacier was reduced by melting, and in 2014 it was declared dead as it no longer had enough mass to flow. Left image obtained by the Operational Land Imager (OLI) on Landsat 8 on 1st August 2019, right image obtained by the Thematic Mapper (TM) on Landsat 5 on 7th September 1986.

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November 8th, 2019

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