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Hunter Cutting

Small islands coping with inches of sea-level rise, with higher waves supplying sand an... - 0 views

  • islands are coping with sea-level change, with higher waves and water depth supplying sand and gravel from coral reefs.
  • study shows the islands are coping with sea-level change, with higher waves and water depth supplying sand and gravel from coral reefs.
  • "In other words, they (the islands) are slowly moving ... migrating across their reef platforms," he said. "As the sea-level conditions and wave conditions are changing, the islands are adjusting to that."
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  • an accelerated rate of sea-level rise could be "the critical environmental threat to the small island nations," with "a very rapid rate of island destruction" possible from a water depth beyond a certain threshold. That threshold is unknown.
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    An Associated Press story on a widely mis-reported science study on the impact of climate change on small coral atolls in the south Pacific.
Hunter Cutting

Thousands emigrate as seas rise over Sunderbans - 0 views

  • Another community likewise affected equally, if not more, by climate change is the one which inhabits the Tropics in the Sunderban forests. Straddling the massive delta of Ganges, Brahmaputra and Meghna on the Bay of Bengal spreading across India and Bangladesh, Sunderbans are spread over an area of more than 10000 square kilometres. More than half of it has the world’s largest mangrove forests which have been declared as two different World Heritage Sites for the two countries. The forests are a
  • Another community likewise affected equally, if not more, by climate change is the one which inhabits the Tropics in the Sunderban forests. Straddling the massive delta of Ganges, Brahmaputra and Meghna on the Bay of Bengal spreading across India and Bangladesh, Sunderbans are spread over an area of more than 10000 square kilometres. More than half of it has the world’s largest mangrove forests which have been declared as two different World Heritage Sites for the two countries. The forests are also home to a substantial population of the threatened Royal Bengal Tiger.
  • A 2007 report of the United Nations Economic and Social Council (UNESCO) said that a 45 centimetres anthropogenic rise in the sea level by the end of the current century is likely to destroy 75 per cent of the Sunderban mangroves within the current century. However, certain inhabited islands have already disappeared having been overtaken by the sea. Among them are Lohachara and the New Moore islands. Another island, Ghoramara, has lost around half of its landmass turning more than half of the Island’s population of 12000 into climate refugees. They have all fled – some to the mainland and others elsewhere in Sunderbans. The remaining have had to give up cultivation in the fertile soil or gathering honey from the jungle and have taken to fishing. Researchers have heard the same story retold everywhere in the Sunderbans. As the sea-water comes in floods it destroys the crops, the soil takes on the sea’s salinity and renders it unproductive. Moving away and looking for a safer place is the only alternative to cope with the rising sea. Of late, such movements have, however, had to become devastatingly more frequent, stressing the once-simple rhythm of life of these poor people.
Hunter Cutting

New Moore Island lost to sea level rise - 0 views

  • From Africa to the Himalayas, everyone's worried about global warming's potential to drive world conflict. But what about the disputes it will solve? A long-running argument between India and Bangladesh over a small island in the Bay of Bengal has just been resolved: the island's not there anymore: 
  • New Moore Island [also known as South Talpatti] in the Sunderbans has been completely submerged, said oceanographer Sugata Hazra, a professor at Jadavpur University in Calcutta. Its disappearance has been confirmed by satellite imagery and sea patrols, he said. "What these two countries could not achieve from years of talking, has been resolved by global warming," said Hazra.
Hunter Cutting

Arctic sea ice at record low for June - 0 views

  • Average June ice extent was the lowest in the satellite data record, from 1979 to 2010. Arctic air temperatures were higher than normal, and Arctic sea ice continued to decline at a fast pace. June saw the return of the Arctic dipole anomaly, an atmospheric pressure pattern that contributed to the record sea ice loss in 2007.
  • At the end of May 2010, daily ice extent fell below the previous record low for May, recorded in 2006, and during June continued to track at record low levels
  • The linear rate of monthly decline for June over the 1979 to 2010 period is now 3.5% per decade. This year’s daily June rate of decline was the fastest in the satellite record; the previous record for the fastest rate of June decline was set in 1999
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  • Ron Kwok of the Jet Propulsion Laboratory (JPL) reports that Nares Strait, the narrow passageway between northwest Greenland and Ellesmere Island is clear of the ice “arch" that usually plugs southward transport of the old, thick ice in the Lincoln Sea. Typically the ice arch forms in winter and breaks up in early July. This year the arch formed around March 15th and lasted only 56 days, breaking up in May. In 2007 the ice arch did not form at all, allowing twice as much export through Nares Strait than the annual mean. Although the export of sea ice out of the Arctic Ocean through Nares Strait is very small in comparison to the export through Fram Strait, the Lincoln Sea contains some of the Arctic’s thickest ice.
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