Earths Western Hemisphere With Rise
Digital Art - Illustration
This is how the Earth's Western hemisphere may appear with average sea level about 100 meters (330 feet) above today's. Such a dramatic rise in sea level could occur if all of the Earth's glaciers were to melt.In this image the Gulf of Mexico and Atlantic Ocean have inundated nearly all of southeastern United States including the entire state of Florida, nearly all of Louisiana, and significant portions of the other southeastern states and the District of Columbia. Major U.S. cities submerged include New York City, Boston, and Houston, and on the west coast Los Angeles, San Francisco, and much of San Diego.In addition to land claimed from the United States this 100 meter rise in sea level has also claimed much of Central America including the Yucatan Peninsula and further south nearly all of the Amazon basin.A likely cause of a catastrophic melting of the Earth ice stores would be a change in climate, a sudden rise in the global temperature accelerated by a runaway greenhouse effect. While the amount of water held by the Earth's glaciers can be calculated with some accuracy, the exact mechanism that would set those glaciers to melting, and how long it would take for them to melt, is poorly understood. Some models suggest that several millennia of higher temperatures would be required to melt all the world's glaciers, while others predict much faster processes on the scale of centuries, or even decades.
November 20th, 2013
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