Archive for April, 2013

Canada’s distinctive tuya volcanoes reveal glacial, palaeo-climate secrets

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Deposits left by the eruption of a subglacial volcano, or tuya, 1.8 million years ago could hold the secret to more accurate palaeo-glacial and climate models, according to new research. The detailed mapping and sampling of the partially eroded Kima' Kho tuya in northern British Columbia, Canada, shows that the ancient regional ice sheet through which the volcano erupted was twice as thick as previously estimated....

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Exploring the saltiness of the ocean to study climate change

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Details are emerging from a recent research expedition to the Sub-Tropical North Atlantic. The objective of the expedition was to study the salt concentration (salinity) of the upper ocean. Scientists explored the essential role of the ocean in the global water cycle....

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Sea turtles benefiting from protected areas

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Nesting green sea turtles are benefiting from marine protected areas by using habitats found within their boundaries, according to a new study that is the first to track the federally protected turtles in Dry Tortugas National Park....

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Climate change will raise the sea level in the Gulf of Finland

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The Finnish Meteorological Institute has updated its estimates concerning the impact of rising sea levels on the Finnish coast. Post-glacial rebound and changes in the Earth’s gravity field protect the Finnish coast against rising sea levels, especially in the Gulf of Bothnia. In the Gulf of Finland, the sea level is starting to rise....

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Sea surface temperatures reach highest level in 150 years on Northeast continental shelf

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Sea surface temperatures in the Northeast Shelf Large Marine Ecosystem during 2012 were the highest recorded in 150 years, according to new research. Temperature is also affecting distributions of fish and shellfish on the Northeast Shelf....

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Scientists advocate a simple, affordable and accurate technology to identify threats from sea-level rise

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Researchers are calling for the global adoption of a method to identify areas that are vulnerable to sea-level rise. The method, which utilizes a simple, low-cost tool, is financially and technically accessible to every country with coastal wet-lands. The team seeks to establish a network to coordinate the standardization and management of the data, as well as to provide a platform for collaboration....

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NOAA Ship Tracker [Feature]

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Want to know where NOAA's fleet of ships are located right now? NOAA's Ship Tracker provides near real-time positioning for NOAA's fleet of large ships along with weather conditions at those locations.

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Sunlit snow triggers atmospheric cleaning, ozone depletion in the Arctic

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Researchers have discovered that sunlit snow is the major source of atmospheric bromine in the Arctic, the key to unique chemical reactions that purge pollutants and destroy ozone....

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Asian monsoon is getting predictable: Strong correlation between summer monsoon and preceding climate pattern

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For much of Asia, the pace of life is tuned to rhythms of monsoons. Its variations can mean the difference between drought and flood. Now a new study reports on a crucial connection that could drastically improve the ability of forecasters to reliably predict the monsoon a few months in advance....

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Source of organic matter affects Bay water quality

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Organic carbon in runoff from urbanized landscapes is more likely to persist as it is carried downstream, thus contributing to low-oxygen "dead zones" in coastal waters....

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