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Latest Carbon cycle Stories

Scientists Uncover Secrets Of Biological Soil Crust Microbes
2013-06-14 18:39:19

Brett Smith for redOrbit.com — Your Universe Online A new study from the Lawrence Berkeley National Laboratory in Berkeley, California has found the biological soil crust (BSC) layer of a desert contains microbes that lie in wait for the ideal conditions to begin metabolic activity. “We found a way to measure from start to finish in real unaltered samples the molecular events behind the response of cyanobacterium to wetting and drying in a desert BSC,” said...

Arctic Permafrost Melts And Releases Greenhouse Gases
2013-06-11 10:18:54

Brett Smith for redOrbit.com - Your Universe Online Conditions within Arctic permafrost soils prevent dead plants and animals from decomposing, resulting in layer upon layer of organic carbon being sequestered just beneath the topsoil. However, rising Arctic temperatures are causing these soils to thaw at unprecedented rates, and NASA scientists are currently looking into just how much greenhouse gas is being released through soil decomposition. Using NASA´s C-23 Sherpa...

Carbon Found To Leak From Land To Water
2013-06-11 09:35:26

April Flowers for redOrbit.com - Your Universe Online In general, scientists have thought that about half of the carbon emitted by human activities remains in the atmosphere, with the other half being stored in the oceans and on land. A new study, published in Nature Geoscience, suggests that human activity might be increasing the transition of carbon from land to rivers, estuaries and the coastal zones. This indicates that large quantities of anthropogenic carbon might be hidden in...

Dead Jellyfish Help Absorb Carbon Dioxide
2013-05-29 09:55:33

Rebekah Eliason for redOrbit.com — Your Universe Online Humans constantly produce carbon dioxide (CO2), both naturally and as a byproduct of industrial processes. The ocean absorbs about 25 percent of the carbon dioxide emitted by human activity. Tiny organisms called plankton live in the ocean and break down this natural greenhouse gas by converting itinto sugars and carbohydrates through photosynthesis. In order to understand the efficiency of the ocean´s carbon...

Amazon River Found To Be A Metabolic Hotspot
2013-05-21 07:12:37

April Flowers for redOrbit.com - Your Universe Online The Amazon rainforest is known as the lungs of the planet because it inhales carbon dioxide and exudes oxygen into the atmosphere. The plants of the forest use the carbon dioxide to promote leafy growth, which eventually falls to the ground and decomposes or washes away from the region´s plentiful rainfall. Until recently, the belief was that most of the rainforest´s carbon floated away on the Amazon River, ending up deep...

2013-04-23 14:54:08

More carbon dioxide is released from residential lawns than corn fields according to a new study. And much of the difference can likely be attributed to soil temperature. The data, from researchers at Elizabethtown College, suggest that urban heat islands may be working at smaller scales than previously thought. These findings provide a better understanding of the changes that occur when agricultural lands undergo development and urbanization to support growing urban populations. David...

2013-04-22 09:59:09

A new global-scale modeling study that takes into account nitrogen — a key nutrient for plants — estimates that carbon emissions from human activities on land were 40 percent higher in the 1990s than in studies that did not account for nitrogen. Researchers at the University of Illinois at Urbana-Champaign and the University of Bristol Cabot Institute published their findings in the journal Global Change Biology. The findings will be a part of the upcoming Fifth Assessment...

Atmospheric Nitrogen Levels Have Remained Stable Over Past 500 Years Despite Widespread Emissions
2013-03-21 16:16:59

Brett Smith for redOrbit.com - Your Universe Online Despite widespread use of fertilizers and nitrogen emissions by industrial processes, the amount of atmospheric nitrogen has remained consistent over the past 500 years, according to a new study in Nature. "People have been really interested in nitrogen in current times because it's a major pollutant," said study co-author Kendra McLauchlan, an assistant professor of geography at Kansas State University. "Humans are producing a lot...

How Sensitive US East Coast Regions May Be To Ocean Acidification Revealed By New Study
2013-03-01 12:17:31

Woods Hole Oceanographic Institution A continental-scale chemical survey in the waters of the eastern U.S. and Gulf of Mexico is helping researchers determine how distinct bodies of water will resist changes in acidity. The study, which measures varying levels of carbon dioxide (CO2) and other forms of carbon in the ocean, was conducted by scientists from 11 institutions across the U.S. and was published in the journal Limnology and Oceanography. “Before now, we haven't had a very...

Oceans Have Been The Stage For Earth's Longest Ongoing Battle Between Bacteria And A Virus
2013-02-14 13:55:19

April Flowers for redOrbit.com - Your Universe Online A new study led by Oregon State University reveals that the greatest battle in Earth's history has been going on for hundreds of millions of years. And the battle, which no one knew existed until now, is far from over. The findings of this study were published in a recent issue of Nature. On one side of the battle lines stands SAR11, a bacterium that´s the most abundant organism in the oceans, surviving where most other cells...


Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.