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New Study On Global Carbon Cycle May Require Reappraisal Of

New Study On Global Carbon Cycle May Require Reappraisal Of Climate-Related Events In Earth' History

University of Miami Rosenstiel School of Marine and Atmospheric Science Scientists analyze marine sediment core to understand trends in carbon isotopes over time A recent study of the global carbon cycle offers a new perspective of Earth’s...

Latest Carbon dioxide in Earth's atmosphere Stories

greenhouse gas bulletin
2014-09-09 07:28:44

Chuck Bednar for redOrbit.com - Your Universe Online Propelled by the largest single-year increase in carbon dioxide in three decades, the amount of greenhouse gases in the atmosphere reached record highs in 2013, the World Meteorological Organization (WMO) reported on Tuesday. According to the agency’s annual Greenhouse Gas Bulletin, there was a 34 percent increase in radiative forcing (the warming effect on our climate) due to CO2, methane and nitrous oxide. The report found that...

power plant
2014-08-28 07:18:44

John Hopton for redOrbit.com - Your Universe Online Existing power plants worldwide will be responsible for 300 billion tons of future carbon dioxide emissions, with fossils fuels (particularly coal) still proving dominant in energy production. A new study from scientists at Princeton and UC Irvine says that continuing investment in these kinds of power plants makes our targets for controlling climate change questionable. The researchers, whose findings appear in the journal...

2014-08-01 10:38:59

Stanford School of Engineering New study quantifies the degree of contribution to global climate caused by slash-and-burn agriculture and wildfires, and finds bigger than expected impact It has long been known that biomass burning – burning forests to create agricultural lands, burning savannah as a ritual , slash-and-burn agriculture and wildfires – figures into both climate change and public health. But until the release of a new study by Stanford University Civil and...

coral Acropora Pharaonis
2014-07-25 03:00:00

Gina Hebert, Marine Biological Laboratory What do mollusks, starfish, and corals have in common? Aside from their shared marine habitat, they are all calcifiers — organisms that use calcium from their environment to create hard carbonate skeletons and shells for stability and protection. The June issue of the Biological Bulletin, published by the Marine Biological Laboratory, addresses the challenges faced by these species as ocean composition changes worldwide. As atmospheric...

2014-07-07 09:45:20

UC San Diego Biologists at UC San Diego have solved a long-standing mystery concerning the way plants reduce the numbers of their breathing pores in response to rising carbon dioxide levels in the atmosphere. In a paper published in this week’s early online edition of Nature, they report the discovery of a new genetic pathway in plants, made up of four genes from three different gene families that control the density of breathing pores—or “stomata”—in plant leaves in response...

2014-06-30 15:08:17

University of Bristol The impact of the greenhouse gas CO2 on the Earth's temperature is well established by climate models and temperature records over the past 100 years, as well as coupled records of carbon dioxide concentration and temperature throughout Earth history. However, past temperature records have suggested that warming is largely confined to mid-to-high latitudes, especially the poles, whereas tropical temperatures appear to be relatively stable: the tropical thermostat...

Warming Climates Intensify Carbon Dioxide Given Out By Oceans
2014-06-09 03:23:28

University of Edinburgh Rising global temperatures could increase the amount of carbon dioxide naturally released by the world's oceans, fueling further climate change, a study suggests. Fresh insight into how the oceans can affect CO2 levels in the atmosphere shows that rising temperatures can indirectly increase the amount of the greenhouse gas emitted by the oceans. Scientists studied a 26,000-year-old sediment core taken from the Gulf of California to find out how the ocean's...

explaining the Last Glacial Maximum
2014-06-03 05:48:44

redOrbit Staff & Wire Reports - Your Universe Online A team of MIT scientists has turned to the Southern Ocean in search of an explanation for the Last Glacial Maximum (LGM), a period in the Earth's climate history during which the northern continents were covered by ice sheets, according to new research appearing in the Proceedings of the National Academy of Sciences. Plankton fossils in deep-sea sediments contain chemical traces that reveal rearranged ocean water masses, as well...

Dryland Ecosystems Emerge As Driver In Global Carbon Cycle
2014-05-22 03:17:36

Montana State University Dryland ecosystems, which include deserts to dry-shrublands, play a more important role in the global carbon cycle than previously thought. In fact, they have emerged as one of its drivers, says Montana State University faculty member Ben Poulter. Surprised by the discovery, Poulter and his collaborators explained their findings in Nature. At the same time, they urged global ecologists to include the emerging role of dryland ecosystems in their research. Nature...

How Does Your Garden Glow?
2014-05-06 03:02:17

By Laurie J. Schmidt, NASA's Jet Propulsion Laboratory Science is full of serendipity -- moments when discoveries happen by chance or accident while researchers are looking for something else. For example, penicillin was identified when a blue-green mold grew on a Petri dish that had been left open by mistake. Now, satellite instruments have given climate researchers at NASA and other research institutions an unexpected global view from space of a nearly invisible fluorescent glow that...


Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.