Tag: "climate" at biology news
ASU Scientists Join NASA Astrobiology Institute
...al step in the evolutionof the Earth's atmosphere, climate
and life, and this work has critical implicationsfor the search for life in other places. A collaborative effort by Farmer and ASU geologists Tom Sharp and PaulKnauth will study the processes by which microorganisms become fossilized, andhow mor...
Climate Change May Impact Waterborne Diseases
... a possible increase of waterborne diseases due to climate
change. "Cryptosporidiosis is one of many ...rcumstances," saysKocagil. "Things could change as climate
changes." Even today, an outbreak can be costly in both dollars and humansuffering. In 1993,...
Computers, GIS Help Prevent Ground Water Contamination
...ta on the state's geology, watersheds, soil types, climate
and more. The combination gave Engel, and state agencies, a way to predict potential ground water hot spots. To be sure his contamination predictions would hold water, Engel compared them to measurements of nitrate and pesticides in well water sa...
As A 'Carbon Sponge,' Iron-Poor Coastal Waters Can't Always Do The Job,
..., Hutchins says. "The role of the oceans in global climate
change is still controversial and notyet fully und...ists to understand ancient phytoplankton growthand climate
changes. Researchers have believed, for instance, that phytoplanktonget extra iron during ice ages. ...
Montana And Other Scientists Report On Life In The Ice
...cu said the paper also says something about global climate
change,which he studies in other projects. "If this community reaches a steady state at two meters, then a changein meteorological activity will change the community," he said. "If it's toohot, the sediment will fall through the ice to the b...
Minuscule Ocean Plants Help Stabilize Earth's Atmosphere, Climate
...t, phytoplankton growth also helpsregulate Earth's climate
in an intricate interplay with ocean currents,wind...arth has always been getting colder or warmer. The climate
is alwayschanging, so it's out of steady state. "But it stays within bounds, and that's an u...
New Long-Term Ecological Research Site Funded For Plum Island Sound Ecosystems Study
...et the sea -- isaffected by changes in land cover, climate
and sea level. The Plum Island award, made...rge. Climate variability and long-termpatterns of climate
change can also have immense effects on the timing,magnitude and nature of material inputs. Infrequ...
Forecasting The El Niño-Driven Ebb And Flow Of A Rogue Mosquito
... mosquito might show up in response to large-scale climate
events likeEl Nino. Developed by graduate student ...Society of America. "It's a mosquito model, not a climate
model," said Hopp, but it uses climatedata such as precipitation, temperature, humidity and cloud co...
Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...ns changed betweengrassland and forest due to past climate
changes, Duke University ecologistshave offered fu...ke scientists said the region responded readily to climate
changeslasting decades or centuries during the mid-Holocene period -- 8,000 to 4,000years ago -- by ...
Study Suggests Weekly Hurricane And Rainfall Patterns Are Linked To East Coast
...beginnings and theends of weeks. All three sets of climate
data revealed a seven-day cycle. "The human week is not a natural time period," said Balling."Human effect on weather is the only explanation." "If you're going to go out boating in ...
National Science Foundation Is Taking Small Business Into A New Phase Of Innovation
...ting data from orbit in futurestudies of long term climate
change on Earth as well as on solar magnetic stormsand for new advances in the earth sciences. The helium cell of the laser magnetometer has a resonance frequency proportionalto the size of the magnetic field that surrounds a planet. The instrument...
Putting Doesn't Pollute, Research Finds
...d a lot less intensively than ours are, plus their climate
isnot as conducive to diseases in turf." Turco says that even the design of American golf courses can lead toincreased chemical use: "A lot of golf courses have trees surrounding a green,because it looks really nice. But trees around the green ca...
Ancient 'Volcanic Winter' Tied To Rapid Genetic Divergence In Humans
...t lasted six years and significantlyaltered global climate
for the next 1,000 years. Those six years of "relentlessvolcanic winter" led to substantial lowering of global temperatures,drought and famine, and to a global human population crash during which,if geneticists are correct, no more than 15,000 to 40,...
40 Percent Of Deaths Are Environmental
... Cornell University analysis of population trends, climate
change, increasing pollution and emerging diseases... air, water and soil pollutants," he said. Global climate
change will make matters even worse for humans and "better" for disease, the Cornell study predicts....
Dinosaur Tooth Enamel: A Key To Investigating Ancient Climate On Land
...aceous. However, data fromMadagascar indicate that climate
conditions in sub-tropical latitudesmay have been ... temperature, thusproviding the connection between climate
and tooth enamel.Fortunately the oxygen isotope ratio of tooth enamel does notchange over the millio...
History Of The Rainforest Told In Song
...stributed. With the gradual warming in theearth's climate
since the ice sheets retreated, these areas have contracted intomountain-top islands where the birds have evolved their own local songs. The isolation of different bird communities, shown in their songs, has alsogiven rise to the fascinating question...
Genetic Uniqueness Threatens Florida Manatee's Future
... moresusceptible to diseases and more sensitive to climate
changes, said BrianBowen, a conservation geneticist with UF's Institute of Food andAgricultural Sciences. "What we've learned is the Florida manatee is genetically unique, and thatit's isolated from manatees elsewhere in the Caribbean and the Yucatan...
Scientist Finds Asteroid Fossil That May Have Caused Global Dinosaur Extinction
...o havehad devastating consequences for the world's climate
and could have led to theextinction of the dinosaurs and many other forms of life. "Studies like Kyte's show that celestial impacts have had a profoundeffect on the history of the earth," said Lane. "One begins to think that suchcatastrophi...
Increase In Number Of Diesel Cars Is Counterproductive For Environmental Goals
...ol-driven cars is notan effective way of combating climate
change", stresses Reino Abrahamsson. 15 per cent of newly registered private cars in August this year were diesels.At the beginning of thenineties, the proportion of newly registered cars that were diesels was only 1per cent. For further information,...
Ancient Antarctic Environment Rocked By Volcanic Eruptions
... Mount Pinatubo, a muchsmaller event, cooled world climate
by 0.5 degrees C for a year after its 1991eruption. Scientists will use the volcanic layers to determine the age of theirstrata more accurately, because volcanic debris can be dated precisely usingisotopic techniques. Borg said that samples o...
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