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Paris (ESA) Nov 11, 2003ESA's Envisat satellite was witness to the dramatic last days of what was once the world's largest iceberg, as a violent Antarctic storm cracked a 160-km-long floe in two. Arctic And Antarctic Sea Ice Marching To Different Drivers 
Greenbelt - Nov 11, 2003A 30-year satellite record of sea ice in the two polar regions reveals that while the Northern Hemisphere Arctic ice has melted, Southern Hemisphere Antarctic ice has actually increased in more recent years. However, due to dramatic losses of Antarctic sea ice between 1973 and 1977, sea ice in both hemispheres has shrunk on average when examined over the 30-year time frame. |
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Yucca Mountain Site Must Make Use Of Geological Safety Net
Bloomington - Nov 11, 2003A proposed federal repository near Yucca Mountain, Nev., for the long-term storage of 70,000 metric tons of high-level radioactive waste must take advantage of the mountain's natural geological properties, according to a new study by scientists at Indiana University Bloomington and Los Alamos National Laboratory. The Suffocating Age 
Seattle - Nov 10, 2003Recent evidence suggests that oxygen levels were suppressed worldwide 175 million to 275 million years ago and fell to precipitously low levels compared with today's atmosphere, low enough to make breathing the air at sea level feel like respiration at high altitude. Ice Cores May Yield Clues To 5,000-Year-Old Mystery 
Columbus - Nov 10, 2003The latest expeditions to ice caps in the high, tropical Peruvian Andes Mountains by Ohio State University scientists may shed light on a mysterious global climate change they believe occurred more than 5,000 years ago. Mass Extinctions May Promote Longevity Of New Species 
Cincinnati - Nov 10, 2003With the economy, we talk about cycles of boom and bust. Make that "bust and boom" when it comes to the geological record in the post-Paleozoic world, University of Cincinnati geologist Arnold Miller suggests, after his analysis of marine fossil genera and what happens after mass extinction events. Vast Nitrogen Reserves Hidden Beneath Desert Soils 
Los Alamos - Nov 07, 2003A University of California scientist working at Los Alamos National Laboratory in collaboration with researchers from the U.S. Geological Survey, New Mexico Institute of Mining and Technology, the University of Nevada, the University of Arkansas and Desert Research Institute in Reno, Nev., has recently found evidence that there may be significantly more amounts of nitrogen, in the form of nitrates, than previously estimated in desert landscapes. More Snow for Great Lakes Region 
Hamilton - Nov 06, 2003Climate change in the past century has had a surprising impact on the Great Lakes region of the U.S. - more snow. A comparative study of snowfall records in and outside of the Great Lakes region indicated a significant increase in snowfall in the Great Lakes region since the 1930s but no such increase in non-Great Lakes areas. Little Islands Cut A Big Wake Across Pacific Climate 
Greenbelt - Nov 05, 2003On a map of the world, the Hawaiian Islands are barely a speck in the 64 million square miles of the Pacific Ocean. But oceanographers recently discovered that these tiny dots on the map have a surprising effect on ocean currents and circulation patterns over much of the Pacific. |
Exploring The Unknown World Of "Cloud Nine"
Boulder - Jul 08, 2002CORRECT URL climate-02w.html Ball Aerospace has won a contract to build a NASA spacecraft that will explore the little understood 100 kilometers above the arctic in the mesosphere where polar clouds form and drift southward.Selected as part of NASA's Small Explorer (SMEX) program the mission will increase our understanding of what surely must be "cloud nine" at the edge of space. Sky-High Icebergs Carried Boulders From The Rockies To Coastal Washington 
Seattle - Nov 04, 2003Geologists have uncovered a scene in the Pasco Basin west of the Columbia River that shows how boulders piggybacked icebergs from what is now Montana and came to rest at elevations as high as 1,200 feet. Climate Change in the Vineyards: The Taste of Global Warming 
Boulder - Nov 04, 2003A study of the world's top 27 wine regions' temperatures and wine quality over the past 50 years reveals that rising temperatures have already impacted vintage quality. As for the next 50 years, climate modeling for these same wine regions predicts a 2 C temperature rise that is likely to make cool growing regions better producers of some grape varieties, and already warm wine regions less hospitable for viticulture. Water On The Gaza Strip: Time Bomb Or Ray Of Hope? 
Seattle - Nov 04, 2003Beneath the ongoing conflict in the Gaza Strip is a groundwater crisis that's rapidly depriving Palestinians of drinkable water. Israeli, Palestinian, and French geoscientists have worked out a way to save Gaza drinking water while offering Israelis and Palestinians a rare opportunity to work together and solve a problem for their mutual benefit. Ultra-Low Oxygen May Have Caused Extinctions, But Spurred Birds 
WASHINGTON - Nov 03, 2003Recent evidence suggests that oxygen levels were suppressed worldwide 175 million to 275 million years ago and fell to precipitously low levels compared with today's atmosphere, low enough to make breathing the air at sea level feel like respiration at high altitude. NASA Funded Earth Alert System To Aid MEMA In Disasters 
Huntsville - Oct 29, 2003The Maryland Emergency Management Agency (MEMA) has recently deployed a new communications system, based on NASA technology, that is designed to aid emergency management professionals when natural or man-made disasters occur. Wolves Rebalancing Yellowstone Eco System As Cottonwood Trees Return 
Corvallis - Oct 29, 2003The reintroduction of wolves into Yellowstone National Park may be the key to maintaining groves of cottonwood trees that were well on their way to localized extinction, and is working to rebalance a stream ecosystem in the park for the first time in seven decades, Oregon State University scientists say in two new studies. |
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