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ORNL researchers Buchanan, Liang, Mayes named AAAS fellows

Posted at 11:56 pm November 28, 2014
By Oak Ridge National Laboratory Leave a Comment

ORNL AAAS Fellows 2014

New fellows of the American Association for the Advancement of Science from Oak Ridge National Laboratory are, from left, Michelle Buchanan, Liyuan Liang, and Melanie Mayes. (Photo courtesy ORNL)

 

Three staff members at Oak Ridge National Laboratory have been named fellows of the American Association for the Advancement of Science for scientific contributions that range from administrative leadership to discoveries in the environmental sciences.

Michelle Buchanan, Liyuan Liang, and Melanie Mayes and are among those to receive this year’s recognition to AAAS members by their peers. AAAS is the world’s largest general scientific society and elects fellows based on their distinguished contributions to the advancement of science or its applications, a press release said.

Buchanan is ORNL’s associate laboratory director for physical sciences, where she guides the Chemical Sciences, Materials Science, and Technology and Physics divisions, as well as the Center for Nanophase Materials Science.

She was elected “for exceptional technical leadership and service in the chemical and physical sciences, and for contributions to setting the nation’s research priorities.” [Read more…]

Filed Under: Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: AAAS, American Association for the Advancement of Science, American Chemical Society, ARPA-E, Center for Nanophase Materials Science, Center for Structural Molecular Biology, Chemical Sciences, Chemical Sciences Division, Climate Change Science Institute, environmental science, Environmental Sciences Division, leadership, Liyuan Liang, materials science, Melanie Mayes, mercury methylation genes, mercury transformation, Michelle Buchanan, Oak Ridge National Laboratory, Office of Institutional Planning, ORNL, science, Technology and Physics, University of Tennessee

UT professor receives more than $880,000 in DOE funding for carbon cycle research

Posted at 11:21 am November 20, 2013
By University of Tennessee Leave a Comment

UT Students Measure Soil Carbon Flux

Doctoral candidate Jessica Bryant, left; Associate Professor Aimee Classen, middle; and University of Tennessee undergraduate student Kelsey Richesin use Li-Cor 6400, a machine that measure carbon flux from soil. (Photo courtesy UT)

KNOXVILLE—Carbon dioxide is key to life on Earth, but too much of the good thing can overheat the Earth’s surface and hurt the very things it supports. Thus, understanding how carbon cycles through the atmosphere is crucial to predicting its effects.

A University of Tennessee professor in Knoxville has received more than $880,000 from the U.S. Department of Energy to investigate often-overlooked carbon cycle players.

Aimee Classen, associate professor of ecology and evolutionary biology, and her team, which includes Oak Ridge National Laboratory staff members, will examine factors that influence carbon cycling below the ground and are not included in today’s carbon-cycle models.

“We know that tiny things that live in soil, like fungi, can regulate carbon processes in forests. However, our current soil models don’t consider what role fungal and plant root activity may play in soil carbon dynamics. Our project aims to fill this knowledge gap,” Classen said. [Read more…]

Filed Under: College, Education, Oak Ridge National Laboratory, Science, Top Stories, U.S. Department of Energy Tagged With: Aimee Classen, atmosphere, carbon cycle, carbon cycling, carbon dioxide, Daniel Metcalfe, Department of Ecology and Evolutionary Biology, Earth, ecology, evolutionary biology, fungi, Gangsheng Wang, Jessica Bryant, Knoxville, Melanie Mayes, mycorrhizae, Oak Ridge National Laboratory, plants, soil, Swedish University of Agricultural Sciences Forest Ecology and Management, U.S. Department of Energy, University of Tennessee, UT, W. Mac Post

ORNL researchers improve soil carbon cycling models

Posted at 10:38 am August 20, 2012
By John Huotari 4 Comments

Carbon Cycling Model

Oak Ridge National Laboratory’s new carbon cycling model could help scientists understand the role of soil in climate change by tracking the microbial processes that break down carbon-rich materials. (Graphic submitted by ORNL)

A new model developed at Oak Ridge National Laboratory helps scientists understand the role that soil will play in future climate change, a press release said.

Predicting climate change depends heavily on the cycling of carbon dioxide, which is found in four main reservoirs: the atmosphere, biosphere, oceans, and soil, the release said.

ORNL’s model was designed to replace traditional soil carbon cycling models. The press release said it better accounts for the carbon dioxide-releasing activity of microbes in the ground.

“Soil is a big reservoir of carbon,” said co-author Melanie Mayes of ORNL’s Environmental Sciences Division. “And most of the soil carbon cycling models in use today are so vastly simplified that they ignore the fact that decomposition is actually performed by microbes.”

[Read more…]

Filed Under: U.S. Department of Energy Tagged With: carbon cycling, Ecological Applications, Environmental Sciences, Melanie Mayes, MEND, Oak Ridge National Laboratory, ORNL, soil

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Classifieds

Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

AVAILABILITY OF THE DRAFT ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

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