70-Mile-Long Crack Opens Up in Antarctica By Stephanie Pappas

Summary of the Article: Scientists on NASA's IceBridge program have taken a satellite image uncovering a crack in an Antarctic ice shelf as wide as a football field. This crack takes place in Larson C which is an ice shelf floating off the Antarctic Peninsula. When the crack spreads across the rest of the ice shelf, it will create an iceberg the size of the state of Delaware which is around 2,491 square miles. The eventual calving of this Delaware-sized iceberg would result in the loss of around 9-12% of Larsen C's surface area and could also lead to the crumbling of this entire ice shelf. This rift is relatively new and was initially discovered in 2014 by a U.K.-based research group the MIDAS Project. This crack has only just started to show up in satellite images this year. Larsen C is Antarctica's fourth largest ice shelf and it holds back many land based glaciers behind it. Once this ice shelf goes, the glaciers it once held back will have one less barrier between them and the ocean.

Scientists have been observing ice shelfs in Antarctica and the affects global warming has on them for many years now.

Analysis of the Article: This article shows how the effects global warming are currently affecting Antarctica's ice shelfs. The satellite image taken by the scientists of the MIDAS Project is absolutely critical information and evidence needed to work towards combating global warming. Not only does this image show the current effects of global warming, but it will also help scientists to uncover the consequences of global warming and how it will affect Antarctica's ice shelfs. Scientists are being proactive by analyzing data and images collected and using that to determine future affects of global warming and not only just observing the present effects of global warming.

Video: The video above is not a video of the crack in Larson C, but instead a video depicting what is currently happening to ice shelfs and glaciers around the world due to global warming. This video takes place in Greenland.

An iceberg floats in Antarctica's icy waters.

Take Away: This article has showed me the importance of scientists looking at evidence from the present to help to understand the future. Taking satellite images of the damages currently happening from global warming helps make what is happening to our Earth more tangible for people. People seeing a photo of a crack the size of a football field leaves more of an impact on people than just a lone environmentalist saying that there is a crack. Taking these images helps make what is happening to our planet much more real for them and hopefully will motive people to do more to help counteract some of the affects of global warming.

Ice has been and will continue to melt and calve due to global warming.

Credits:

Created with images by Life-Of-Pix - "north pole glacier ice" • robynm - "iceberg antarctica polar" • oliver.dodd - "hollowed iceberg"

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