News tagged with forest fires

Related topics: climate change

Giant Sequoias Yield Longest Fire History from Tree Rings

(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's ...

Space & Earth / Environment

created Mar 17, 2010 | popularity 4.9 / 5 (9) | comments 22 | with audio podcast

Scientists trace the human role in Indonesian forest fires

Severe fires in Indonesia - responsible for some of the worst air quality conditions worldwide - are linked not only to drought, but also to changes in land use and population density, according to a new study ...

Space & Earth / Earth Sciences

created Feb 22, 2009 | popularity 2.5 / 5 (2) | comments 0

Tree deaths have doubled across the western US

(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, ...

Space & Earth / Environment

created Jan 22, 2009 | popularity 2.9 / 5 (11) | comments 7

Savannas, forests in a battle of the biomes, researchers find

Climate change, land use and other human-driven factors could pit savannas and forests against each other by altering the elements found by Princeton University researchers to stabilize the two. Without this ...

Space & Earth / Environment

created Oct 31, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Largest recorded tundra fire yields scientific surprises

In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 ...

Space & Earth / Environment

created Jul 27, 2011 | popularity 4.7 / 5 (12) | comments 3 | with audio podcast

Smoke-related chemical discovered in the atmosphere could have health implications

Cigarette smoking, forest fires and woodburning can release a chemical that may be at least partly responsible for human health problems related to smoke exposure, according to a new study by NOAA researchers ...

Space & Earth / Environment

created May 16, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Frequent, severe fires turn Alaskan forests into a carbon production line

(PhysOrg.com) -- Alaskan forests used to be important players in Mother Nature’s game plan for regulating carbon dioxide levels in the air. It’s elementary earth science: Trees take up carbon dioxide ...

Space & Earth / Earth Sciences

created Feb 10, 2011 | popularity 4.6 / 5 (7) | comments 2 | with audio podcast

Northern wildfires threaten runaway climate change, study reveals

Climate change is causing wildfires to burn more fiercely, pumping more greenhouse gases into the atmosphere than previously thought, according to a new study to be published in Nature Geoscience this week. ...

Space & Earth / Earth Sciences

created Dec 05, 2010 | popularity 3.4 / 5 (24) | comments 14 | with audio podcast

Fires in Amazon challenge emission reduction program

Fire occurrence rates in the Amazon have increased in 59% of areas with reduced deforestation and risks cancelling part of the carbon savings achieved by UN measures to reduce greenhouse gas emissions from ...

Space & Earth / Environment

created Jun 03, 2010 | popularity not rated yet | comments 0 | with audio podcast

4,000-year study supports use of prescribed burns in Southern Appalachians

A new study reconstructing thousands of years of fire history in the southern Appalachians supports the use of prescribed fire, or controlled burns, as a tool to reduce the risk of wildfires, restore and maintain forest health ...

Space & Earth / Environment

created Apr 06, 2010 | popularity 4.4 / 5 (7) | comments 0 | with audio podcast

Presence of snails points to forest recovery

A team of Catalan researchers has studied the changes in the make-up of animal populations following forest fires, and have concluded that malacological fauna are a good indicator of forest recovery. The conclusions ...

Biology / Ecology

created Feb 16, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Smoke from Whitewater-Baldy Complex fire affecting 6 states

(Phys.org) -- The Whitewater-Baldy Complex fires burning and rugged terrain in the Gila National Forest in western New Mexico have been generating a lot of smoke. The smoke has now been swept up by a cold ...

Space & Earth / Earth Sciences

created May 28, 2012 | popularity not rated yet | comments 0

Forensics ferret out fire beetle secret

Black fire beetles of the genus Melanophila possess unusual infrared sensors. Researchers from the University of Bonn and from the Forschungszentrum Julich have concluded that the beetles' sensors might even ...

Biology / Plants & Animals

created May 23, 2012 | popularity 4.5 / 5 (2) | comments 0

Refining fire behavior modeling

Research by USDA Forest Service Southern Research Station biometrician Bernie Parresol takes center stage in a special issue of the journal Forest Ecology and Management due out in June. Parresol is lead author of two of ...

Space & Earth / Environment

created May 22, 2012 | popularity not rated yet | comments 0

Soon more heat stress in cities?

(PhysOrg.com) -- For the first time, scientists have conducted a global study of the effects persistent heatwaves can have on cities. The results reveal that the frequency of summer heat stress could increase ...

Space & Earth / Environment

created Mar 28, 2012 | popularity 5 / 5 (2) | comments 0