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Harry Hess Postdoctoral Research Associate in Geosciences

The Department of Geosciences at Princeton University is accepting applications for a Postdoctoral Research Associate


Keep rainforests — they drive the planet's winds
NewScientist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
What creates the wind? Anyone will tell you that temperature differences are key. Hot air rises and is replaced by cooler air surging in beneath. Except that maybe the explanation found in every textbook is too simple. What if, instead, the winds that drive atmospheric circulation are mainly created by the condensation of moisture? Much of this occurs over rainforests as water evaporates or is transpired from the trees. The physicists and foresters behind this controversial idea say that if we chop down the forests, we will lose the winds - and the rains they bring with them. More

 Society News

ISOTOPES 2013 receives MAP support
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The Geochemical Society Program Committee has recently approved a Meeting Assistance Program (MAP) grant of US$ 2000 to ISOTOPES 2013 which will be held in Sopot, Poland June 16-21, 2013. For more information on the MAP including how to apply, visit the MAP webpage.

Geochemical Career Center Postings

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New Posting! Postdoctoral position: FT-ICR mass spectrometry and IR laser spectroscopy of ion clusters (Hong Kong University, Hong Kong, China)

Assistant Professor, Chemical Oceanography (Florida State University, Tallahassee, FL, USA)

Final Days: Graduate student opportunities in applied geochemistry research (Multidisciplinary Applied Geochemistry Network, Canada)

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New in GCA (v.103, 15 February 2013)

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In situ observations of liquid–liquid phase separation in aqueous MgSO4 solutions: Geological and geochemical implications

Evolution of carbon cycle over the past 100 million years

Primary and secondary carbonate in Chinese loess discriminated by trace element composition

Hydroxyl and molecular H2O diffusivity in a haploandesitic melt

Isotopic and speciation study on cerium during its solid–water distribution with implication for Ce stable isotope as a paleo-redox proxy

Adsorption mechanism of selenium(VI) onto maghemite

Aqueous alteration in CR chondrites: Meteorite parent body processes as analogue for long-term corrosion processes relevant for nuclear waste disposal

Compound-specific amino acid δ15N patterns in marine algae: Tracer potential for cyanobacterial vs. eukaryotic organic nitrogen sources in the ocean

Radium removal in a large scale evaporitic system

Scavenging of sulphur, halogens and trace metals by volcanic ash: The 2010 Eyjafjallajökull eruption

Rare earth element systematics of fossil bone revealed by LA-ICPMS analysis

 Latest News

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ISOTOPES 2013 will be held June 16-21, 2013 in Sopot, Poland. We invite you to celebrate with us the 100th anniversary of the discovery of isotopes! Recent instrumental advances allow measurements of isotope effects in unprecedented resolution and precision, and even at low environmental concentrations. Traditionally, related knowledge has been dispersed over different disciplines, with few occasions for stimulating exchange. Together with you, we would like to bring the worlds of organic isotope chemistry and related disciplines closer together. The conference will feature the importance of fundamental mechanistic isotopic studies, and their impact for the investigation of organic compounds in related fields such as biogeochemistry, contaminant hydrology, medical and food sciences.

IMOG 2013 abstract deadline Friday, Feb. 8
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Abstracts for the 26th International Meeting on Organic Geochemistry (IMOG 2013 are being accepted through Friday, Feb. 8, 2013. IMOG 2013 is the bi-annual meeting of the European Association of Organic Geochemists and will be held in Tenerife, Canary Islands (Spain) from Sept. 16-20, 2013. It is expected to be the largest meeting on organic geochemistry.

Microbes discovered in Antarctic lake broaden possibilities for extraterrestrial life
Science Recorder    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Scientists drilling in Lake Whillans, a remote body of water buried 2,600 feet below the West Antarctic Ice Sheet, have discovered evidence of living bacteria. The water samples were first removed from the ice sheet at 6:20 a.m. on Monday, Jan. 28, by the U.S. research team Whillans Ice Stream Subglacial Access Research Drilling, or WISSARD. Researchers employed a quick test to analyze their samples for potential life by injecting DNA-sensitive dye into the water, and immediately found numerous individual cells glowing green. More

Study: Uranium in wells near Rio Grande north of Santa Fe from rocks, not nukes
The New Mexican    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A study released by the state Environment Department confirms an earlier finding that high levels of uranium found in water wells east of the Rio Grande in the Santa Fe-Española area are naturally occurring and not man-made. The uranium is leaching from the rocks, according to the Environment Department. More

New research will help shed light on role of Amazon forests in global carbon cycle
Environmental Research    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Berkeley Lab scientists devise new tools for detecting previously unknown tree mortality. The Earth's forests perform a well-known service to the planet, absorbing a great deal of the carbon dioxide pollution emitted into the atmosphere from human activities. But when trees are killed by natural disturbances, such as fire, drought or wind, their decay also releases carbon back into the atmosphere, making it critical to quantify tree mortality in order to understand the role of forests in the global climate system. Tropical old-growth forests may play a large role in this absorption service, yet tree mortality patterns for these forests are not well understood. More


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