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Tag: "snow" at biology news

Ice core 'dipstick' indicates West Antarctic ice has thinned less than believed

...et thinner and thinner with depth, as more ice and snow piles up. But the thinness of the layers deposited...ce. By giving a clearer picture of the site where snow was deposited and eventually turned to glacial ice, the work gives scientists new information for in...

NASA study finds snow melt causes large ocean plant blooms

...ded study has found a decline in winter and spring snow cover over Southwest Asia and the Himalayan mounta... ocean plants in the Arabian Sea. The decrease in snow cover has led to greater differences in both temperature and pressure systems between the Indian sub...

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 ...

Taking the piste out of Alpine vegetation

...of Applied Ecology, machine grading and artificial snow production is causing significant changes in the n... 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...

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...

Lands surface change on Alaska tundra creating longer, warmer summers in Arctic

...vegetation." Because there is a shorter period of snow on the ground, solar radiation is absorbed by the ...butes to heating, thus accelerating the melting of snow and allowing for more plant growth. Over time, as the permafrost begins to melt, ancient organic mat...

New antifreeze protein found in fleas may allow longer storage of transplant organs

A new antifreeze protein discovered in tiny snow fleas by Queen's University researchers may length..." The hyperactive antifreeze protein produced by snow fleas is different from two other insect proteins discovered earlier at Queen's, the researchers say...

NRL scientists detect 'milky sea' phenomena

...s giving the impression of sailing upon a field of snow or gliding over the clouds--all under the darkness of a moonless night. The glowing waters appear to extend to the horizon in all directions, and can last from several hours to several days. They are thought to be caused by enormous populations of ba...

NJIT study shows nanoparticles could damage plant life

...tts. The particles can also mix with rainwater and snow and gradually work their way into soil. It is difficult to take results from a lab experiment and conclude that is what happens in the real world, said Watts. "But we speculate that air deposits of nanoparticles or water transport of them are ways in...

Scientist measures role of science's coolest player: The snow

...at would the Earth be like if one fine day all the snow melted away? Obviously, it would be a much warmer...d simulations, Vavrus found that in the absence of snow cover, global temperatures would likely spike by about eight-tenths of a degree Celsius. That increa...

Afghanistan to protect wildlife and wild lands

...ex, the Persian leopard, gazelles, and the elusive snow leopard. Specifically, five areas being considere...the first to intensively study species such as the snow leopard and the Marco Polo sheep in the 1970s, and in recent years he has continued to perform some ...

Arctic expedition will investigate alien-like glacier

...he mid-1990s when he noticed a yellow stain on the snow while passing over the Borup Fiord Pass in a helicopter. He eventually visited the site and noticed the strong smell of rotten eggs that indicated the presence of sulfur. Grasby then visited the in 1999 and 2001 and collected samples of the water and...

Scientists describe new African monkey genus ?first in 83 years

...iversity of Alaska Museum was trudging through the snow in 20-degrees-below-zero weather to his molecular lab in Fairbanks, more than 8,500 miles away." The molecular data recovered from muscle tissue and analyzed in detail by Olson shows Kipunji is most closely related to baboons in the genus Papio, and...

Where have all the butterflies gone?

...erge in the mountains. The rain has led to a heavy snow pack in the Sierra Nevada, which typically means a... the dormant insects from cold and drying. But the snow came late in the season, meaning that many of the overwintering insects may have been killed off ear...

NASA snow data helps maintain nation's largest, oldest bison herd

...ficials better understand the relationship between snow accumulation and the way it melts during the perio...r and higher elevations. Every winter, the deep snow in Yellowstone drives most bison to lower elevations as they embark on their quest for food. In this...

Ocean's 'twilight zone' may be a key to understanding climate change

...me a longstanding problem of how to collect marine snow falling into the twilight zone. ...

Amur leopard still on the brink of extinction, scientists say

... the census and tracks left by the leopards in the snow were counted. Scientists were able to determine th...king in more than 158 transected sections. "The snow track census is an important method to monitor leopard numbers. We see that its population has been ...

Dirty snow may warm Arctic as much as greenhouse gases

... determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic war...e atmosphere and falls to the ground. Soot-infused snow is darker than natural snow. Dark surfaces absorb sunlight and cause warming, while bright surfaces ...

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