News tagged with soil temperature

Mars was Wet, but was it Warm?

Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of ...

Space & Earth / Space Exploration

created May 31, 2010 | popularity 4.9 / 5 (11) | comments 10 | with audio podcast

Tree rings may underestimate climate response to volcanic eruptions: study

Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, ...

Space & Earth / Earth Sciences

created Feb 05, 2012 | popularity 4 / 5 (4) | comments 22 | with audio podcast

Tropical forests are fertilized by air pollution

Scientists braved ticks and a tiger to discover how human activities have perturbed the nitrogen cycle in tropical forests. Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama ...

Space & Earth / Environment

created Nov 03, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

Spring's rising soil temperatures see hormones wake seeds from their winter slumber

Dormant seeds in the soil detect and respond to seasonal changes in soil temperature by changing their sensitivity to plant hormones, new research by the University of Warwick has found.

Biology / Ecology

created Dec 12, 2011 | popularity not rated yet | comments 0 | with audio podcast

Yellow-cedar are dying in Alaska: Scientists now know why

Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But ...

Space & Earth / Environment

created Feb 01, 2012 | popularity 5 / 5 (5) | comments 0

Arctic climate may be more sensitive to warming than thought, says new study

A new study shows the Arctic climate system may be more sensitive to greenhouse warming than previously thought, and that current levels of Earth's atmospheric carbon dioxide may be high enough to bring about ...

Space & Earth / Earth Sciences

created Jun 29, 2010 | popularity 3.8 / 5 (27) | comments 47 | with audio podcast

Alaskan lake bed cores show expanding Arctic shrubs may slow erosion

The relationship between permafrost, Arctic vegetation, soil erosion, and changing air temperatures is complicated at best. For instance, rising temperatures melt surface permafrost layers and increase shrub growth. These ...

Space & Earth / Earth Sciences

created Dec 31, 2011 | popularity not rated yet | comments 0

Biodiversity enhances ecosystems global drylands: researchers

An international team of researchers including Dr. Bertrand Boeken of the Jacob Blaustein Institutes for Desert Research at Ben-Gurion University of the Negev suggest in a new study that plant biodiversity preservation is ...

Space & Earth / Environment

created Jan 30, 2012 | popularity 5 / 5 (1) | comments 0

Findings prove Miscanthus x giganteus has great potential as an alternative energy source

Concerns about the worldwide energy supply and national, environmental and economic security have resulted in a search for alternative energy sources. A new University of Illinois study shows Miscanthus x ...

Biology / Biotechnology

created Jan 19, 2012 | popularity 4 / 5 (1) | comments 3

Variable Temperatures Leave Insects wtih a Frosty Reception

(PhysOrg.com) -- For the first time, scientists at The University of Western Ontario have shown that insects exposed to repeated periods of cold will trade reproduction for immediate survival.

Biology / Plants & Animals

created Nov 25, 2009 | popularity 4 / 5 (1) | comments 0

Method of studying roots rarely used in wetlands improves ecosystem research

A method of monitoring roots rarely used in wetlands will help Oak Ridge National Laboratory researchers effectively study the response of a high-carbon ecosystem to elevated temperatures and levels of carbon ...

Space & Earth / Environment

created Oct 13, 2011 | popularity not rated yet | comments 0

Climate trouble may be bubbling up in far north

(AP) -- Only a squawk from a sandhill crane broke the Arctic silence - and a low gurgle of bubbles, a watery whisper of trouble repeated in countless spots around the polar world.

Space & Earth / Environment

created Aug 30, 2009 | popularity 4.7 / 5 (78) | comments 27

A hot species for cool structures: Complex proteins in 3-D thanks to simple heat-loving fungus

A fungus that lives at extremely high temperatures could help understand structures within our own cells. Scientists at the European Molecular Biology Laboratory (EMBL) and Heidelberg University, both in Heidelberg, Germany, ...

Biology / Cell & Microbiology

created Jul 21, 2011 | popularity 5 / 5 (1) | comments 0

New data reveals how storms are triggered in the Sahel

In the Sahel, the frequency of storms increases when soil moisture varies over a few kilometers. Such contrasts cause air circulation between dry and humid areas, contributing to the development of storms. ...

Space & Earth / Earth Sciences

created Jun 21, 2011 | popularity not rated yet | comments 0

Black or blue? Mulch color affects okra growth, yield

Plastic mulches have been used in vegetable production in the United States since the 1950s. Black plastic (polyethylene) mulch, which alters the plant's growing environment by generating warmer soil temperatures and holding ...

Biology / Other

created Apr 19, 2010 | popularity 5 / 5 (1) | comments 0