Tag: "atmospheric" at biology news
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...an eye. David Bouldin, professor of soil, crop and atmospheric
sciences, and Michael Cahn, graduate student, showed water distribution, root growth rates and root distribution in soil using the technology. Richard Zobel, professor of plant breeding, and Victor Bushamuka, graduate student, later used neutron ra...
Core Spins Faster Than Earth, Scientists Find
... of times higher at the inner core surfacethan the atmospheric
pressure at the Earth's surface, has alignediron atoms in a distinctive crystalline structure that slows downwaves in some directions and creates a "fast track"for seismic waves in a near north-south direction. More recentstudies also indicate that t...
Automobiles Gain High Technology Noses To Sniff Out Breaches In Air Pollution Laws In Europe Wide Research Project
...ot available because sensors cannot detect all the atmospheric
pollutants. US legislators have found that current car and sensor technology is unable to provide continuous monitoring of the extremely precise air pollution controls they have wish to enact into law - laws which will (i.e. California's recent On-b...
NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...emperature four degrees Celsius lower than now and atmospheric
carbon dioxide (a greenhouse gas) at just over hal... sheets and were intensified by reduced amounts of atmospheric
carbon dioxide, which insulates the earth by trapping heat reflected from the surface toward space. ...
NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
... most important sampling to date of biospheric and atmospheric
chemistry in the tropical rainforest will culminat...sphere, EXPRESSO is using enclosures that measure atmospheric
exchange from leaves and soil a 60-meter tower studded with meteorological instruments and air samp...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...ophysics, earth science, glaciology, oceanography, atmospheric
science, and biology -- is supported out of NSF's McMurdo Station, located on Ross Island, and at Amundsen-Scott South Pole Station, inland on the heights of the ice cap. Other projects are based at Palmer Station on the Antarctic Peninsula and on t...
Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
... most important sampling to date of biospheric and atmospheric
chemistry in tropical rainforests will culminate i...liff Jacobs, program director in NSF's division of atmospheric
sciences, which funds NCAR and EXPRESSO. "The central Africa region is one of several areas in the ...
No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
... 1 to 5 gram range, which is comparable to current atmospheric
deposition rates in eastern North America and nort... if we continue to pollute them with high rates of atmospheric
nitrogen deposition," said Tilman. "Nitrogen pollution is a problem that will grow progressively wo...
Ozone 'Chat Room' Provides Real-Time Air-Quality Research
...ht and high temperatures play key roles in driving atmospheric
levels to the damaging point. Current EPA ozone attainment standards state that an area cannot exceed .12 parts per million of ozone averaged over an hour more than three times during the past three years. Ozone is measured hourly in 37 states...
Nutrients, Ground Water, And The Chesapeake Bay - A Link With Pfiesteria?
...y originate from agricultural, urban, suburban, or atmospheric
sources. Nutrients enter the Chesapeake Bay from water that is washed off the land surface, chiefly in the aftermath of storms. Nutrients also seep into the ground water from the land surface and make their way into the rivers and streams that f...
Banning Chemicals To Protect Ozone May Aggravate Global Warming
...fluorocarbons [HCFCs], for example, havevery short atmospheric
lifetimes and mostly decompose before reaching the...replacementsfor HCFC-123 not only have much longer atmospheric
lifetimes that couldcontribute to global warming, but they also are far less energy efficient. "Hig...
Biogenic Emissions Higher Than Expected Over African Savanna
... a role in low-altitude ozone formation and in the atmospheric
lifetime of methane -- a greenhouse gas. Isoprene fluxes from the African forest are lower than those reported for a tropical rain forest in the Amazon basin. EXPRESSO gathered data during the dry season in November and December 1996 along a 80...
Remote Cloud Observatory Tracks El Niño Changes
...bserving stationalong with sea surface and air/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 liqu...
Early Career Development Grants Foster Faculty Research And Education
...ilar to the service provided by meteorologists for atmospheric
weather.Electronic storms and "weather patterns" are critical to a number of systems which rely uponsignals bouncing off of or passing through the ionosphere, including radar systems, radio astronomy telescopes, ocean surface wave monitoring systems ...
"Doctor Watershed" Named AAAS Fellow
...stems and their responses to disturbances, such as atmospheric
contaminants (acid rain) and global climate change. The American Association for the Advancement of Science is the largest general scientific society in the world, representing all the scientific and engineering disciplines. Its 144,000 members ...
GCTE/LUCC Open Science Conference:
...). GCTE studies the effects of changes in climate, atmospheric
composition, landuse on terrestrial ecosystems, an...the composition of the atmosphere(e.g. increase in atmospheric
carbon dioxide and other greenhouse gases),changes in land-use cover under increasing human pressure...
Can Plants Influence The Climate?
...any actions includingdeforestation, increasing the atmospheric
CO2 concentrations, and raising globaltemperatures. The changes in vegetation that are most likely to influence the climate include: Reduced water loss (transpiration) at high CO2 concentrations which feeds backon rainfall, changes in the height or ...
Over 4700 Technical Sessions Will Reveal New Findings At National Chemists' Meeting In Dallas, March 29 - April 2
...Paris, Mexico City andJohannesburg The role of atmospheric
chemistry in the global warming debate Beef flavor and fat composition: pasture-fed v. grain-fed cattle Community service as a chemistry degree requirement Self assembly of materials Role of the contract laboratories in the development of...
New Sunspot Cycle To Be Bigger Than Average
...mosphere so that spacecraft are exposed to more atmospheric
drag and to greater erosion by atomic oxygen. We even have tantalizing hints that the Earth's climate may be linked to sunspots. The "Little Ice Age" corresponded with a 70-year period, 1645-1715, when sunspots were sparse in number, th...
Environmental Technology Breakthroughs Forecast -- Year 2008
...e will be captured andrecycled so as not to add to atmospheric
carbon. Lightweight Cars--Squeezing every ounce possible out of cars will mean a familysedan that gets at least 80 miles per gallon of gas, generates less pollutionand uses less gas. Lighter cars will be built with less steel and morelightweight al...
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