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Woods Hole - Dec 19, 2003Tropical ocean waters have become dramatically saltier over the past 40 years, while oceans closer to Earth's poles have become fresher, scientists reported today in the journal Nature. Earth's warming surface may be intensifying evaporation over oceans in the low latitudes -- raising salinity concentrations there -- and transporting more fresh water vapor via the atmosphere toward Earth's poles. Extreme Weather And Climate Events Require Enhanced Action 
Geneva - Dec 18, 2003According to Prof. G.O.P. Obasi, Secretary-General of WMO, actions to achieve the objective of the United Nations Framework Convention on Climate Change (UNFCCC) are becoming increasingly urgent in view of the increasing concentration of greenhouse gases in the atmosphere, the continued rise in globally averaged surface temperatures, and a growing number of extreme weather and climate events, some of which are of unprecedented intensity. |
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This Year's Global Temperature At Third Warmest Recorded
Geneva - Dec 18, 2003The global surface temperature for all of 2003 is expected to be +0.45 C above the 1961-90 annual average, according to the records maintained by Members of the World Meteorological Organization (WMO). This value makes 2003 the third warmest year just behind 2002 (+0.48 C). The warmest year remains 1998 (+0.55 C). Rainfall Could Speed Up Rock Uplifts 
Seattle - Dec 18, 2003Heavy rainfall causes both higher surface erosion rate and upheaval of underlying bedrock in the Washington Cascades mountain range, according to a study published in the Dec. 11 issue of the journal Nature. Double Impact Crater Site Found In Libya Using JERS-1 Data 
Floirac - Dec 18, 2003Impact cratering is now recognized as a major geological process on Earth. In particular, giant impacts had a fundamental influence on the geological and biological evolution of our planet with possible climatic effects. There are more than 160 confirmed impact craters on Earth, among which 17 are located in Africa, but it is estimated that only 10% of impact craters larger than 10km and younger than 100Ma are known. Wind Tunnel Tests Could Lead To Healthier Towns And Cities 
Swindon - Dec 18, 2003It's hardly an appealing thought but the overpowering fragrance of mothballs in a large wind tunnel could provide the key to improving air quality in our towns and cities. The tests will improve our understanding of how pollution and heat behave at street level so that more effective ventilation methods can be developed. Radioactive Potassium May Be Major Heat Source In Earth's Core 
Berkeley - Dec 17, 2003Radioactive potassium, common enough on Earth to make potassium-rich bananas one of the "hottest" foods around, appears also to be a substantial source of heat in the Earth's core, according to recent experiments by University of California, Berkeley, geophysicists. FRINGE Scientists Use Radar Vision To See The Earth Move 
Paris - Dec 14, 2003Tiny ground movements that occur too gradually to be seen by the human eye can nevertheless be detected by ESA satellites looking down to Earth from 800 km away. Forecasters Can Count Lightning Strikes to Estimate Rainfall 
Tucson - Dec 11, 2003When it comes to predicting rainfall during convective thunderstorms, lightning may be more accurate than radar in determining precipitation intensity and location, say University of Arizona atmospheric scientists. |
Global Wildfires Did Not Kill The Dinosaurs
London - Dec 11, - New research has revealed that thermal radiation, resulting from the impact of an asteroid colliding with the United States 65 million years ago, was not responsible for the extinction of dinosaurs and other land organisms. NASA Scientists Discover Spring Thaw Makes A Difference 
Pasadena - Dec 11, 2003Using a suite of microwave remote sensing instruments aboard satellites, scientists at NASA's Jet Propulsion Laboratory (JPL), Pasadena, Calif., and the University of Montana, Missoula, have observed a recent trend of earlier thawing across the northern high latitudes. Scientists "Reconstruct" Earth's Climate Over Past Millennia 
San Francisco - Dec 11, 2003Using the perspective of the last few centuries and millennia, speakers in a press conference at the Fall Meeting of the American Geophysical Union in San Francisco will discuss the latest research involving climate reconstructions and different climate models. Mechanism To Target Specific Chemical Contaminants Isoloted 
Columbus - Dec 09, 2003New insight into the molecular-level interactions between bacteria and minerals may some day help scientists design bacteria with the express purpose of cleaning up toxic waste. Greenland Glacier, Once Stable, Now Shrinking Dramatically 
Iowa City - Dec 09, 2003One of the world's fastest-moving glaciers is speeding up and retreating rapidly, a recent study has revealed. NCAR Model Shows Decrease In Global Dust By 2100 
Boulder - Dec 09, 2003One of the first global-scale simulations of dust and climate from preindustrial times to the year 2100 projects a worldwide decrease in airborne dust of 20�63% by the end of this century. Plate Boundary Observatory Will Map Seismic Processes Across North America 
Stanford - Dec 09, 2003To some, the $100 million, five-year effort to sprinkle seismic sensors in Alaska and throughout the western United States is known as the Plate Boundary Observatory (PBO). But to geophysicist Paul Segall it is something more. |
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