Safety of bismuth bullets questioned: Study
...ern pintails, green-winged teals, Canada geese and snow geese. The waterfowl samples were all provided by hunters from First Nations Cree communities in the western James Bay region, who eat the birds as part of their traditional diet. Bismuth behaves in a ballistically similar way to lead and is cheap...Russia- wide tiger count begins
...re conducted in winter, when a complete blanket of snow allows fieldworkers to canvass the vast region of the Sikhote-Alin Mountain Range, which holds 95 percent of the remaining Siberian tigers. Beginning in December, the survey team will search for tracks left by tigers as they traverse their home ran...What have scientists learned since Mount St. Helens erupted?
...r, there would not have been late-lying patches of snow to protect subalpine vegetation, or ice covering lakes, which shielded aquatic organisms from lethal volcanic forces. If it had been at night, the nocturnal animals would have been exposed to lethal volcanic forces. Instead, they had returned to the ...U. of Colorado research team discovers life in Rock Glacier
...Ridge study area, microbes living under the tundra snow pack have been shown to be active in sub-zero conditions, breaking down plant material and metabolizing nitrogen in the dead of winter, Williams said. Following the discovery in the Green Lakes Valley, the CU-Boulder research team discovered eviden...Research team discovers first evidence of microbes living in a rock glacier
...Ridge study area, microbes living under the tundra snow pack have been shown to be active in sub-zero conditions, breaking down plant material and metabolizing nitrogen in the dead of winter, Williams said. After the discovery in the Green Lakes Valley, the CU-Boulder research team discovered evidence of ...B-15A iceberg's close encounter monitored by Envisat
...freshwater ice tongue which originated on land as snow and the surrounding sea ice, due to their very different physical and chemical properties." The Drygalski ice tongue is located at the opposite end of McMurdo Sound from the US and New Zealand bases. Large and (considered) permanent enough to be de...Physicists discover temperature key to avalanche movement
...re that could be the key to explaining how ice and snow particles flow during an avalanche, and could lead...ysikalische Gesellschaft). Everything from powdery snow to desert sands, from salt to corn flakes are granular materials. Physicists have known for many yea...Tree-ring data reveals multiyear droughts unlike any in recent memory
...t. Tree growth is particularly sensitive to winter snow pack, which is also the main driver of stream flow in the Columbia. The scientists first related tree-ring data to stream-flow records since 1931, then considered the implications for flows of tree-ring data back to 1750, much of the time when record...Wolves alleviate impact of climate change on food supply, finds new UC Berkeley study
...wer Falls stations. Information on average monthly snow depths and maximum temperatures revealed any trend...ter did not change significantly over the decades, snow depths did decline significantly in late winter, particularly after February. At the same time, the ...NASA study finds soot may be changing the Arctic environment
... Pole, such as accelerating melting of sea ice and snow and changing atmospheric temperatures. Dorothy Ko...ignificantly warmed, and sea-ice cover and glacial snow have diminished. Likely causes for these trends include changing weather patterns and the effects of...Taking the piste out of Alpine vegetation
...f Applied Ecology , machine grading and artificial snow production is causing significant changes in the n...y say. They also measured the impact of artificial snow on vegetation and found that this causes changes in species composition, with snowbed and late-flowe......ANDRIA, VA This winter has brought unusually deep snow packs to the Sierra Nevada, andtorrential rains to California, and even though 2004 was a wet year for much of the Southwest, theeffects of the multi-year drought are not over. It will take years of high-precipitation to counter the manyyears of drou...NASA study finds snow melt causes large ocean plant blooms
...of ocean plants in the ArabianSea. The decrease in snow cover has led to greater differences in bothtemper...hisweek's SCIENCE magazine When winter and spring snow cover is low over Eurasia, the amount ofsolar energy reflected back into the atmosphere is less. A d...Envisat making sharpest ever global Earth map
...und regional climate patterns to minimise cloud or snow cover. Multiple acquisitions are planned for some regions to account for seasonal variations in land cover. Other Envisat sensors will work in synergy with MERIS. The Advanced Synthetic Aperture Radar (ASAR) instrument will be used to differentiate ...Ocean climate predicts elk population in Canadian Rockies
...ans colder and snowier conditions than usual. More snow is bad news for elk, which have heavy bodies and long, narrow legs and small hooves. The deeper the snow, the further they sink. Conversely, wolves have relatively light, sleek bodies and big, wide paws that act like snowshoes. In the Canadian Rockie...Road salt affects mitigation wetlands
...tly affected by splashover from salt spreading and snow melting. The data loggers record salinity hourly....n a part of the country that gets 10 to 12 feet of snow every winter." Silver's research does show a large decrease in non-biting midges in the designated ......onsiders two motorists trapped on either side of a snow drift pondering whether to dig a path through the snow or wait for the other driver to clear the way. The whimsical models are distinct and important mathe...U. of Colorado researchers hunting down, studying new microorganisms
...in an inhospitable region marked by nine months of snow and three months of intense sun and high winds, he...eviously unknown fungi are churning away under the snow in the dead of winter, breaking down organic and inorganic material and recycling carbon and nitroge...UC faculty members break new ground while treading gently on the Alaskan tundra
...r crystallized snow." It's a lot like knowing your snow if you're a cross-country skier so that you can ch...r most people is entertainment. The quality of the snow is a question of livelihood for the Inupiaq -- a factor in their very existence. "Some types of sno...How to avoid severe climate change discussed at CO2 conference
...es F per century, as suggested by some models, the snow and ice in latitudes near the poles would melt and higher temperature bands would "march poleward" by more than 30 feet (10 meters) per day, affecting everything in the wake. If CO 2 from fossil-fuel resources is ultimately released to the atmosphe...