3941 x 5100 px | 33,4 x 43,2 cm | 13,1 x 17 inches | 300dpi
Aufnahmedatum:
2003
Ort:
Greenland
Weitere Informationen:
What might at first be mistaken for a series of images showing the approach of summer on the edge of the Greenland ice sheet in fact shows an increase in melting over the past several years The three images above show the melting in June of 2001 2002 and 2003 Since 2001 the amount of melting along the edges of Greenland s ice cap has increased significantly On June 14 2001 the brown surface of the rocky exposed coastline is still mixed heavily with the patches of snow and Qeqertarsuaq Island near top center is almost completely snow covered On June 13 2002 Greenland s west coast along the Davis Strait was decidedly less snowy than the previous year and on June 17 of this year the difference was most dramatic with the snow free area extending much farther south than it did in 2002 or 2001 Even more pronounced than the differences in completely snow free areas however are the increases in the total area caught in the act of melting a translucent area sandwiched between the bare ground near the coast and the solid white of the interior of the continent The grayish cast to the ice in that area indicates that the surface of the ice sheet is saturated with liquid water This translucent area is dotted with meltwater ponds that are scattered like hundreds of blue jewels across the ice sheet s surface Barely visible in June 2001 the melting area increased significantly in 2002 and again in 2003 by which time it stretched farther south than in either previous year The large images linked above show a large portion of Greenland s west coast and a reduction of snow cover from 2001 to 2003 Scientists recently documented that the seasonal thaw along the margins of the Greenland ice sheet has been starting much earlier in the year and impacting a larger area than in the past quarter of a century Sea ice in the region has been declining at the same time Read Vanishing Ice for more details These images are based on
