Tag: "ocean" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...o the Science article, some researchers think that ocean
temperature changes reflected in the oxygen ratio ...en ratios are really measuring is a combination of ocean
temperature changes and changes in the ice volumes. In contrast, Dwyer said the ratio of calcium to ...
Dating A Caveman
... engaged in numerous studies using subtle clues in ocean
or lake sediments to study the past climate on Earth. One such study, for example, uses ratios of oxygen isotopes found in sediments from California's Mono Lake to reconstruct detailed climate fluctuations in the area since 10,000 years ago, shortly ...
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...ion of Oceanography, ATOC seeks to measure global ocean
temperature by transmitting sound signals along d...rganisms 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 ca...
Ocean Sediments Contain Record of Past Vegetation Fires in Africa
...in Charlottesville have found in their research on ocean
sediments the first detailed marine record of late... long distances by winds and rivers to coastal and ocean
environments, where it's then preserved in ocean
sediments. Explains Verardo, "Charcoal may be swep...
Changing Continental Runoff Patterns Could Change Ocean Circulation
...sciences. "The Colorado River barely flows to the ocean
and the Aral Sea is drying up. We do have the cap...that run off into the oceans and that could alter ocean
circulation patterns." Bice, Dr. Eric J. Barron, professor of geosciences and director of Penn ...
Sea Turtles Have Favorite Oceanic Routes
...ists have learned that the turtles prefer specific ocean
routes as if traveling an aquatic interstate highw...ish and Wildlife Research Unit. "The existence of ocean
corridors for sea turtles is important to the development of effective international conservation st...
Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
... within the earth's crust. Microorganisms in the ocean
depths thrive where there is no light and dine on chemicals toxic to other life. Deborah Kelley, a University of Washington oceanographer, presents a poster at this week's American Geological Society meeting in San Francisco saying that a significan...
Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...nreaction that reduces the productivity of surface ocean
planktoncommunities. This in turn leads to less fo...sal species migrateto shallower refuges around the ocean
margins, returning to the abyssduring the next warm interglacial. Climate changes also altered deep-...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
... fisheries in the South Atlantic and the change in ocean
fish populations caused by climate change, possibl...ey slowly starve to death, unable to return to the ocean
because of the cold. "It is a very long and painful death. And so unnecessary," says Boersma. The d...
New understanding of crab populations may not bring fishermen's delight
..."noise,"which could be weather, water temperature, ocean
circulation or other factors.This works mathematic...how crab larvae are transported in the plankton by ocean
currents duringthe spring upwelling in the ocean
current when winds come from the north. "This mode...
Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...ghter and fight with greater effect dominating the ocean
environment and conquering new ones like the land. During the Cambrian, animals got bigger and more diverse, but those changes did not require new genes. The techniques being pioneered by Carroll and others are opening a new window to the pa...
UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...ern day relativessuch as sea stars all live on the ocean
bottom in tightly packedcolonies. David Meyer, a professor of geology at the University ofCincinnati, will present evidence at the Geological Society ofAmerica annual meeting Monday, October 20 supporting the ideathat Uintacrinus could float. However...
Geologist Finds Hidden Patterns Of Diversification In Ordovician Radiation
... ranges. When thisoccurs, sediments erode into the ocean
providing a plentifulsupply of new substrates and nutrients for marine organisms."That may have turned on the spigot for diversification in a bigway," said Miller. However, Miller's analysis does not support a competing theoryfor diversification in t...
Geologist Finds Evidence Supporting Mysterious Ancient Sea
... the disappearance of theancient Iapetus Ocean, an ocean
some believe may never haveexisted at all. During ...er was one." The best way to determine whether the ocean
existed is to lookat the land masses which would have surrounded it. If large landmasses were locked...
New Mathematical Model Could Help Predict Health Of Offshore Areas Where Rivers Enter The Sea
...rucial step in predicting the health of near-shore ocean
environments whererivers enter the sea.The model, which shows the dramatic importance of winds to the health of theseecosystems,could be useful in preventing the destruction of such areas as rich fishingbanks. "The key is learning how to identif...
Remote Cloud Observatory Tracks El Niño Changes
...sea atmospheric temperature readings collectedfrom ocean
buoys set out by the National Oceanographic and Atmospheric Agencywill help meteorologists and climatologists recognize the onset of El Niño. The observing station monitors water vapor and liquid water in theatmosphere and takes a dig...
1998 Declared Year Of The Ocean
...e many challenges and opportunities offered by the ocean
as weenter the 21st century. The ocean
affects our weather and climate, provides ahome to fisheries, which are a major food source for the ...
Early Career Development Grants Foster Faculty Research And Education
...cluding radar systems, radio astronomy telescopes, ocean
surface wave monitoring systems and high frequency communications. She also plans to integrate thiswork into the development of new methods for teaching image processing which are made possiblethrough advances in high performance computing. J. Will...
Wake Forest University Study Takes Students In Flight With The Albatross
...ect data on chlorophyll concentrations in the open ocean
and see what is different about the places the bir...irds against surface water temperature maps of the ocean
and maps showing chlorophyll concentrations -- found to be a factor in where the birds feed during A...
At Life's Most Sensitive Stage, Embryos Cope With Stress
...emperatures in asingle day range from the chill of ocean
waves to the sun-baked heat of atidepool. She found that the embryos of snails, laid in gelatinous masses in tidepools,began expressing heat shock proteins 30 hours or more into their development; atthat point, the proteins offered some protection f...
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