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| Arctic ice on the verge of another all-time low Thu, 28 Aug 2008 00:00:00 EDT |
(European Space Agency) Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of last year. |
| New giant clam species offers window into human past Thu, 28 Aug 2008 00:00:00 EDT |
(Cell Press) Researchers report the discovery of the first new living species of giant clam in two decades. |
| GOCE Earth explorer satellite to look at the Earth's surface and core Fri, 22 Aug 2008 00:00:00 EDT |
(European Space Agency) The European Space Agency is about to launch the most sophisticated mission ever to investigate the Earth's gravitational field and to map the reference shape of our planet -- the geoid -- with unprecedented resolution and accuracy. |
| Unique study shows oil, gas seismic work not affecting Gulf sperm whales Thu, 21 Aug 2008 00:00:00 EDT |
(Texas A&M University) In recent years, there has been concern that man-made noise may be a cause of stress for dolphins, whales and other marine mammals, but the results of a five-year study show that noise pollution seems to have minimal effect on endangered sperm whales in the Gulf of Mexico, say researchers from Texas A&M University who led the project and released their 323-page report today at the Houston Museum of Natural Science. |
| RV Polarstern on its way to East Siberian Sea Thu, 21 Aug 2008 00:00:00 EDT |
(Helmholtz Association of German Research Centres) German research vessel Polarstern, operated by the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association, transits the Northwest Passage for the first time. Polarstern left the port of Reykjavik on Aug. 12, is now located in the Northwest Passage. Its destination is the East Siberian Sea where geoscientific measurements at the junction between the Mendeleev Ridge and the East Siberian Shelf are the subject. |
| Satellite images show continued breakup of 2 of Greenland's largest glaciers Wed, 20 Aug 2008 00:00:00 EDT |
(Ohio State University) Researchers monitoring daily satellite images here of Greenland's glaciers have discovered break-ups at two of the largest glaciers in the last month. They expect that part of the Northern hemisphere's longest floating glacier will continue to disintegrate within the next year. |
| Dartmouth workshop sets research agenda for environmental mercury Wed, 20 Aug 2008 00:00:00 EDT |
(Dartmouth College) Embracing the belief that an interdisciplinary and coordinated research agenda can have a profound impact on advancing science and influencing policy, a group of experts has developed a roadmap for improving our understanding of how mercury moves through the marine ecosystem and into the fish we eat. |
| Signals from the Atlantic salmon highway Mon, 18 Aug 2008 00:00:00 EDT |
(NOAA National Marine Fisheries Service) For years scientists have struggled to understand the decline and slow recovery of Atlantic salmon, a once abundant and highly prized game and food fish native to New England rivers. Biologists agree that poor marine survival is affecting salmon in the US and Canada, but specific causes are difficult to determine in the ocean. Small acoustic tags and associated technology may provide some answers. |
| Bycatch reduction, marine debris addressed by MCA at American Fisheries Society Meeting in Ottawa Thu, 14 Aug 2008 00:00:00 EDT |
(Marine Conservation Alliance) Progress toward addressing the issues of bycatch and marine debris reduction will be featured at the MCA's booth at the upcoming annual meeting of the American Fisheries Society in Ottawa, Ontario, Canada. |
| Study shows continued spread of 'dead zones' Thu, 14 Aug 2008 00:00:00 EDT |
(Virginia Institute of Marine Science) A new study shows that the number of "dead zones" -- areas of seafloor with too little oxygen for most marine life -- has increased by a third between 1995 and 2007. Dead zones are now "the key stressor on marine ecosystems" and "rank with over-fishing, habitat loss, and harmful algal blooms as global environmental problems." |
| Oceans on the precipice: Scripps scientist warns of mass extinctions and 'rise of slime' Wed, 13 Aug 2008 00:00:00 EDT |
(University of California - San Diego) Human activities are cumulatively driving the health of the world's oceans down a rapid spiral, and only prompt and wholesale changes will slow or perhaps ultimately reverse the catastrophic problems they are facing. |
| New robot scouts best locations for components of undersea lab Wed, 13 Aug 2008 00:00:00 EDT |
(University of Washington) Like a deep-sea bloodhound, Sentry -- the newest in an elite group of unmanned submersibles able to operate on their own in demanding and rugged environments -- has helped scientists pinpoint locations for two observation sites of a pioneering seafloor laboratory being planned off Washington and Oregon. Successful selection of the two sites is a crucial step in developing an extensive sensor network above and below the seafloor on the Juan de Fuca Plate. |
| Robot vehicle surveys deep sea off Pacific Northwest Wed, 13 Aug 2008 00:00:00 EDT |
(National Science Foundation) The first scientific mission with Sentry, a newly developed robot capable of diving as deep as 5,000 meters (3.1 miles) into the ocean, has been successfully completed by scientists and engineers from the Woods Hole Oceanographic Institution and the University of Washington. |
| Advances in Atmospheric Sciences named Rising Star by ScienceWatch Wed, 13 Aug 2008 00:00:00 EDT |
(Springer) The Springer journal Advances in Atmospheric Sciences was recently named a Rising Star among geosciences journals by ScienceWatch.com. According to Essential Science Indicators SM from Thomson Reuters, the journal's current citation record includes 764 papers cited a total of 1,658 times between Jan.1, 1998, and Feb. 29, 2008. |
| Antarctic climate: Short-term spikes, long-term warming linked to tropical Pacific Tue, 12 Aug 2008 00:00:00 EDT |
(National Center for Atmospheric Research/University Corporation for Atmospheric Research) Dramatic year-to-year temperature swings and a century-long warming trend across West Antarctica are linked to conditions in the tropical Pacific, according to an analysis of ice cores. The findings show the connection of the world's coldest continent to global warming, as well as to events such as El Niño. |
| AGU journal highlights -- Aug. 12, 2008 Tue, 12 Aug 2008 00:00:00 EDT |
(American Geophysical Union) In this issue: Fast rise of scorching days predicted; Northeast US lake yields 1000-year hurricane record; Australian marine climate zones shift south; A new approach to hydrological prediction; Gauging a volcanic gas in the stratosphere; and Ice melt speeds mountain temperature rise. |
| Successful series of measurements in Arctic sea ice Mon, 11 Aug 2008 00:00:00 EDT |
(Helmholtz Association of German Research Centres) After working in regions up to 82° N, RV Polarstern of the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association enters port in Reykjavik on August 10. "We had to cope with heavy ice coverage," says chief scientist Gerhard Kattner. The sea ice covered the Arctic almost down to latitude 72°. Perpetual winds from the northwest have moved the ice into the Fram Strait since the beginning of summer. |
| UCSB oceanographer awarded prestigious naval oceanographic sciences chair Wed, 06 Aug 2008 00:00:00 EDT |
(University of California - Santa Barbara) UC Santa Barbara oceanographer Tommy Dickey is one of two leading scientists nationwide to be awarded a prestigious Secretary of the Navy and Chief of Naval Operations Chair in Oceanographic Sciences. |
| Patagonian glacier yields clues for improved understanding of global climate change Mon, 04 Aug 2008 00:00:00 EDT |
(Institut de Recherche Pour le Développement) An expedition in 2005 by an IRD team and its partners on the San Valentin glacier in the Chilean part of Patagonia demonstrated the potential of that site for exploring climatic variations of the past. The analyses gave the first evidence of influences from Antarctica and the Pacific on the Southern climate of the American continent, thus indicating the complexity of the climate system in this ecologically fragile region. |
| UNH researchers tag first-ever free-swimming leatherback turtles in New England Thu, 31 Jul 2008 00:00:00 EDT |
(University of New Hampshire) University of New Hampshire researchers have tagged one male and two female leatherback turtles off Cape Cod. They are the first free-swimming leatherbacks ever tagged in New England. The 700-800-pound leatherback turtles, an endangered species, were tagged July 17, 26 and 29 with GPS-linked satellite tags that transmit nearly real-time tracking data, allowing scientists to better understand these elusive, highly migratory giants to enhance their survivability. |
| Timing is everything: How vulnerable to flooding is New York City? Wed, 30 Jul 2008 00:00:00 EDT |
(American Meteorological Society) A report just released in the most recent issue of the Bulletin of the American Meteorological Society offers hope that a new high-resolution storm surge modeling system developed by scientists at Stony Brook University will better be able to predict flood levels and when flooding will occur in the New York metropolitan area, information crucial to emergency managers when planning for impending storms. |
| Mussels to determine how much contamination is in the ports Wed, 30 Jul 2008 00:00:00 EDT |
(Elhuyar Fundazioa) The research Project led by Dr. Nestor Etxebarria of the University of the Basque Country is aimed at monitoring contamination of ports. Mussels are used to measure the levels of contaminants as they feed by filtering water and so accumulate any contaminant substances in their organs. |
| GOCE begins its journey to launch site Wed, 30 Jul 2008 00:00:00 EDT |
(European Space Agency) GOCE, the first of a series of Earth Explorer satellites to be launched into orbit, has taken off aboard an Antonov-124 cargo aircraft for its flight to the Arkhangelsk Airport in Russia, en route to Russia's Plesetsk Cosmodrome, about 800 km north of Moscow. |
| Acidification of the sea hampers reproduction of marine species Tue, 29 Jul 2008 00:00:00 EDT |
(Swedish Research Council) Within 100 years, it is reckoned that the world's seas will be three times as acidic as they are now. The lower pH may strike a severe blow to the ability of marine species to reproduce, according to research on sea urchins at the University of Gothenburg. "Acidification may be the biggest threat to marine ecosystems for hundreds of thousands of years," says Jon Havenhand, a researcher at the Department of Marine Ecology. |
| Snapshot of past climate reveals no ice in Antarctica millions of years ago Mon, 28 Jul 2008 00:00:00 EDT |
(Cardiff University) A snapshot of New Zealand's climate 40 million years ago reveals a greenhouse Earth, with warmer seas and little or no ice in Antarctica. A new study led by Cardiff University suggests Antarctica at that time was yet to develop extensive ice sheets. |
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