Tag: "cloud" at biology news
Fragmented habitats no ultimate refuges for forest-dwelling tropical birds
...ng dry season satellite imagery that accounted for cloud
interference. They then digitally superimposed available bird range maps on their own current forest map using the Nicholas School's advanced Geographical Informational System (GIS) facilities. What emerged was their own estimate of remaining distri...
Researchers improve predictions of cloud formation for better global climate modeling
...he limitations of current methods for representing cloud
formation in global climate models important beca...ditions and time needed for a particle to become a cloud
droplet. This will help scientists determine how various types of emissions affect cloud
Microbe's genome promises insight into Earth's carbon and sulfur cycling
...oxide. Atmospheric sulfur serves as a catalyst for cloud
formation, in turn, directly affecting the planet's temperature and energy regulation, while carbon monoxide is a greenhouse gas. The interdisciplinary research team, led by Mary Ann Moran at the University of Georgia, includes collaborators at The I...
Satellites plus software equal best-ever Mediterranean heat map
...toring high-resolution SST of the Mediterranean is cloud
cover. To compensate the team has available a near...chnique called 'objective analysis' that minimises cloud
effects by interpolating values from just outside the obscured area or from that area measured at ti...
ESA's Huygens begins its final journey into the unknown
...ther data on the atmosphere, the radiation budget, cloud
structures, aerosols and the surface. The doppler wind experiment (DWE) will provide a zonal wind profile while the surface science package (SSP) will characterise the landing site if Huygens survives the impact. ...
NJIT astrophysicist who revived earthshine named fellow of American Physical Society
...ervations of earthshine thus monitor variations in cloud
cover and atmospheric particles known as aerosols that play a role in climate change....
X-rays have become laser-like
... laser field makes the negatively charged electron cloud
perform giant oscillations around the positively charged atomic core, thereby turning the atoms into antennas. Because of the giant amplitude of their oscillations, these radiate waves not only at the wavelength of the driving laser (700-nm) but also...
Fossil records show biodiversity comes and goes
...dicity. "Comets could be perturbed from the Oort cloud
by the periodic passage of the solar system through molecular clouds, Galactic arms, or some other structure with strong gravitational influence," Muller said. "But there is no evidence even suggesting that such a structure exists." Rohde prefers a ...
Researchers reveal the infectious impact of salmon farms on wild salmon
...he sea lice, the migrating school becomes a moving cloud
of contagions. Sea lice larvae mature and reproduce on the seaward salmon with each louse producing 300-800 eggs. This second round of lice larvae can re-infect the fish in the school and can spread to other previously unexposed populations coming fr...
Nanobacteria in clouds could spread disease, scientists claim
...ht also play a prominent role in the nucleation of cloud
drops. "This happens because nanobacteria, lifted...nanobacteria makes them act as extremely efficient cloud
condensation nuclei, with a tendency to aggregate to clusters upon contact." Their work corroborate...
A decade after launch, ERS-2's mission continues
...space-based thermometer, taking the temperature of cloud
tops as well as the sea surface the best means of assessing the long-term extent of global warming as well as surface land changes. Since 2002, ESA's ten-instrument Envisat environmental satellite has also been monitoring sea surface temperature a...
CyberWalk - unconstrained walking in virtual worlds
...r exactly the same standardized conditions. Even a cloud
moving in front of the sun can completely change the lighting of a scene. Virtual worlds however allow for controlled and independent changes of all experimental parameters in precisely defined steps. Thus, virtual worlds are the appropriate environm...
Envisat making sharpest ever global Earth map
...based around regional climate patterns to minimise cloud
or snow cover. Multiple acquisitions are planned f... to perform 'cloud masking', or the elimination of cloud
pixels. An international network of partners is working with ESA on the two-year GLOBCOVER project...
Rare bird 'sings' with its feathers to attract a mate
...inged manakin, found only in a strip of threatened cloud
forest on the western slopes of the Andes Mountain...o could record in the low-light environment of the cloud
forest, was rugged, no bigger than a large pair of binoculars and came with a portable battery pack....
Study yields insights into pathogenic fungiand beer
..." When yeast cells don't adhere, the beer tends to cloud
up. "We now know that these tandem repeats are the molecular mechanism that yields good beer."...
Purdue scientists see biochemistry's future - with quantum physics
... you have hundreds of electrons forming an immense cloud
around a complex molecule, you still see balance in both charge and spin; we call this balance 'conservation,' and it's something we count on in both chemistry and physics to help us understand these tiny objects. "But sometimes the electrons in meta...
MERIS/AATSR Workshop: Focus on Envisat sensors measuring heat and light
...d AATSR, a radiometer measuring global surface and cloud
temperatures down to a fraction of a degree. The five-day MERIS/AATSR Workshop is scheduled to take place in ESRIN, the European Centre for Earth Observation in Frascati overlooking Rome, from Monday 26 September. More than 200 Principal Investigator...
Researcher: Toxic flood lifts lid on common urban pollution problem
...nging on its ability to support life. Particulates cloud
water, reducing sunlight penetration and plant growth. Once they cross a certain threshold, organic chemicals and metals also can be harmful to people. New Orleans officials remain extremely concerned about bacterial contamination in the flood waters...
Coming to the Arctic near you: The longer, hotter summer
... temperature records, satellite-based estimates of cloud
cover and energy exchange, ground-based measurements of albedo and field observations of changes in snow cover and vegetation, Chapin and co-authors argue that recent changes in the length of the snow-free season have triggered a set of interlinked f...
Lands surface change on Alaska tundra creating longer, warmer summers in Arctic
...tion in sea ice in the summer or to an increase in cloud
cover. The observed summer temperature increases are likely related to a global warming trend that has led to a longer snow-free season and an increase in the extent of woody vegetation. Both of these changes increase the amount of solar radiation t...
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