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NASA Flights Map Summer Melt of Greenland Land Ice

Operation IceBridge is flying in Greenland to measure how much ice has melted over the course of the summer from the ice sheet. The flights, which began on Aug. 25 and ended Sept. 21, repeat paths flown this spring and aim to monitor seasonal changes in the elevation of the ice sheet.

This image was taken during a research flight carried on Aug. 29 and shows the calving front –the end of the glacier, from where it sheds chunks of ice– of the Zachariae Isstrom glacier in northeast Greenland. During the first week of the end-of-summer campaign, IceBridge was based in Thule Air Base, in northwest Greenland. The melt season ends earlier in the north of the island, and IceBridge aimed to complete its northernmost flights before any significant snowfall had occurred there. From Thule, the campaign surveyed the northwest coast of Greenland and the fast-changing Zachariæ Isstrøm, Nioghalvfjerdsfjorden and Petermann glaciers.

On Sept. 1, the IceBridge team moved to Kangerlussuaq, in central western Greenland, from where they plan to fly over fast-changing areas such as Jakobshavn Isbræ and Helheim Glacier. The goal is to accomplish 16 flights in total during the campaign.

For this campaign, IceBridge is flying on a B200T King Air aircraft carrying the Land, Vegetation and Ice Sensor, a laser instrument built by Goddard that measures changes in the ice elevation with an accuracy better than 4 inches, and a high-resolution camera system to map the ice surface. The summer flights are about five and a quarter hours long, shorter than the 8-hour missions carried during IceBridge’s spring Arctic campaign, so the original paths flown have been straightened to better suit the elevation at which the B200T flies —about 28,000 feet, much higher than that of the regular spring flights.
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Credits: NASA/LVIS TEAM; text by Maria-José Viñas
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#operationicebridge #nasa #greenland #glacier #icesheet #thuleairbase # ZachariæIsstrømglacier #Nioghalvfjerdsfjordenglacier #Petermannglacier #Kangerlussuaq #JakobshavnIsbræglacier #Helheimglacier #climatechange #environment #remotesensing #earthobserving #map  #satelliteimagery #earthob
NASA Flights Map Summer Melt of Greenland Land Ice Operation IceBridge is flying in Greenland to measure how much ice has melted over the course of the summer from the ice sheet. The flights, which began on Aug. 25 and ended Sept. 21, repeat paths flown this spring and aim to monitor seasonal changes in the elevation of the ice sheet. This image was taken during a research flight carried on Aug. 29 and shows the calving front –the end of the glacier, from where it sheds chunks of ice– of the Zachariae Isstrom glacier in northeast Greenland. During the first week of the end-of-summer campaign, IceBridge was based in Thule Air Base, in northwest Greenland. The melt season ends earlier in the north of the island, and IceBridge aimed to complete its northernmost flights before any significant snowfall had occurred there. From Thule, the campaign surveyed the northwest coast of Greenland and the fast-changing Zachariæ Isstrøm, Nioghalvfjerdsfjorden and Petermann glaciers. On Sept. 1, the IceBridge team moved to Kangerlussuaq, in central western Greenland, from where they plan to fly over fast-changing areas such as Jakobshavn Isbræ and Helheim Glacier. The goal is to accomplish 16 flights in total during the campaign. For this campaign, IceBridge is flying on a B200T King Air aircraft carrying the Land, Vegetation and Ice Sensor, a laser instrument built by Goddard that measures changes in the ice elevation with an accuracy better than 4 inches, and a high-resolution camera system to map the ice surface. The summer flights are about five and a quarter hours long, shorter than the 8-hour missions carried during IceBridge’s spring Arctic campaign, so the original paths flown have been straightened to better suit the elevation at which the B200T flies —about 28,000 feet, much higher than that of the regular spring flights. . Credits: NASA/LVIS TEAM; text by Maria-José Viñas . #operationicebridge  #nasa  #greenland  #glacier  #icesheet  #thuleairbase  # ZachariæIsstrømglacier #Nioghalvfjerdsfjordenglacier  #Petermannglacier  #Kangerlussuaq  #JakobshavnIsbræglacier  #Helheimglacier  #climatechange  #environment  #remotesensing  #earthobserving  #map   #satelliteimagery  #earthob 
Kohteessa Kangerlussuaq.
Kohteessa Kangerlussuaq.
An autumn day near Kangerlussuaq 🍂
An autumn day near Kangerlussuaq 🍂