Tag: "climate" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...to understand is how deep ocean circulation drives climate
change," said Duke geology professor Paul Baker, another author of the Science paper and a supervising geochemist. "The temperature of the deep water through time is very poorly understood because there hasn't been any unambiguous paleothermometer de...
Dating A Caveman
...clues in ocean or lake sediments to study the past climate
on Earth. One such study, for example, uses ratios...rom California's Mono Lake to reconstruct detailed climate
fluctuations in the area since 10,000 years ago, shortly after the last Ice Age had ended. Ku's rese...
Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...annual tree rings (which are altered by changes in climate
and moisture) from the wood and charcoal remains o...ean Sea, had global effects that likely influenced climate
patterns as far away as the western United States. Volcanic ash from Thera blocked the sun and caus...
New Grapes From Cornell Debut
GENEVA, N.Y. -- Wrestling with New York's cool climate
is the pain and the glory of their profession for ...r release. New grapes that have been bred for the climate
are eagerly anticipated. Under the leadership of Bruce Reisch, Professor of Grape Genetics in Cornel...
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...t international study that can tell whether global climate
conditions are changing, not only for those of us on the surface but for organisms in the oceans. Any noted changes in the ocean ecosystem could mean change on the surface ecosystem. It's definitely worth doing and I hope it can continue," Frank...
Ocean Sediments Contain Record of Past Vegetation Fires in Africa
...ning strikes, is important for its relationship to climate
(drier climates have more burning) and its immense..., which funded Verardo's research along with NSF's climate
dynamics program. The burning of trees and grasses on land produces charred particles, or ch...
NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...sert? No, this isn't Hollywood's latest foray into climate
change. Benjamin Felzer, a climatologist and geolo...earch in Boulder, has used NCAR computer models of climate
and vegetation to find which plant types our ancestors would have wandered among during the last gla...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
... and ultimately to predict the ocean's response to climate
change. As the southern component of the decade-l... 6,000 years. The core will shed light on coastal climate
and ice stream dynamics in the past. It will also be compared with the famous deep cores from the G...
Urbanized Watersheds More Sensitive To Climate Change
...anized areas could help planners, hydrologists and climate
modelers decipher future effects of increased pre...rbanization affects sensitivity of stream flow to climate
change. Using population data from the U.S. Census Bureau, precipitation information from the Natio...
Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...imals through 11 complete periodsof drastic global climate
change," said Dr. Thomas M. Cronin, researchgeolog...cles suggests that theeffects of any future global climate
change-whether natural ormanmade-could further affect the richness of life on Earth beyond the riska...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
... land use impacts on climate
and air quality of Atlanta. ...rather than passing back into space. (The current climate
debate is not over whether a greenhouse effect is taking place, but whether it has become a "runaway...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...and the change in ocean fish populations caused by climate
change, possibly the result of global warming. The males' longest foraging trips come when the female is incubating her two eggs and is fasting. The first trip for the male is usually about two weeks. Then the female is gone on a food trip for about...
How Dry Is The Tropical Free Troposphere? Implications For Global Warming Theory
...many - especiallythe early - computer-based global climate
models (GCM's) predict that therate should be even higher if it is due to the man-made "GreenhouseEffect". Furthermore, these computer models also predict that the Earth'slower atmosphere should behave in lock-step with the surface, but with temper...
Two Parasitic Wasps Show Promise For Controlling Pest Flies
... from the fact that there's a lot of difference in climate
between Illinoisand the central plains." The U. of I. study provided the first comprehensive documentation ofnaturally occurring fly parasites in Illinois. The most common speciesin Illinois appears to be Spalangia nigoraenea , the same speciestha...
Coming Extinction Of One Of UK's Most Minuscule Plants Yields Information On Climate Change
...rwick with important information about the pace of climate
change in the UK. The Iceland Purslane plant is f... number of years and to relate that information to climate
change and other biological factors. In the last few years numbers of plants have declined dramatic...
Scientists To Study Effects Of Global Warming On Wetlands
... "The central hypothesis," said Chen, "is that climate
caused heatloading and water-table depth will determine plant community and ecosystem structure and function in peatlands, which in turn will have a feedback effect on the energy budget of the system. Thus, the same amount of heat applied to two diff...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
... per square inch. How does one study the ancient climate
of Mars? James Kasting of Pennsylvania State Uni...s to have had a warm and wet climate, but existing climate
models have been unable to explain this hypothesis. The answer may lie in methane, which, if added ...
10,000-Year-Old Clues Suggest Future Forest Changes
... into what the future might hold. "We know thatthe climate
was warmer in the past and how it affected forest ...plains. He attributes the fires to a drier, warmer climate
with prolonged droughts and possibly to an increase in the number of storms. A chance discovery on C...
Skull Of Refrigerator-Size Ancient Armadillo Finds A Home At UF
...lorida about 9,800 years ago, a period of dramatic climate
change, McCarty said. But a smaller variety continued to live in South America, as did llamas, large rodents called capybaras, and tapirs, the pig-size animals closely related to horses and rhinoceroses, all of which once roamed Florida, he said. ...
Remote Cloud Observatory Tracks El Niño Changes
...d property and radiation algorithms for the global climate
models, and tobetter understand phenomena like El ...ño and in refining the output of the global climate
models currently used tounderstand worldwide events. Normally the Pacific trade winds blow ...
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