Tag Archives: organic
Sooner than we thought: Sulfurization of natural materials
Processes that have been thought to take tens of hundreds of years can occur in hours, in accordance with new analysis. And that will change our understanding of the carbon cycle, and perhaps the historical past of Earth’s local weather. … Continue reading
Thermodynamically controlled preservation of organic carbon in floodplains
Nature Geoscience 10, 415 (2017). doi:10.1038/ngeo2940 Authors: Kristin Boye, Vincent Noël, Malak M. Tfaily, Sharon E. Bone, Kenneth H. Williams, John R. Bargar & Scott Fendorf Nature Geoscience – Issue – nature.com science feeds
Posted in Geology
Tagged carbon, controlled, floodplains, organic, preservation, Thermodynamically
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Rise of Earth’s atmospheric oxygen controlled by efficient subduction of organic carbon
Nature Geoscience 10, 387 (2017). doi:10.1038/ngeo2939 Authors: Megan S. Duncan & Rajdeep Dasgupta Nature Geoscience – Issue – nature.com science feeds
Microbially driven export of labile organic carbon from the Greenland ice sheet
Nature Geoscience 10, 360 (2017). doi:10.1038/ngeo2920 Authors: Michaela Musilova, Martyn Tranter, Jemma Wadham, Jon Telling, Andrew Tedstone & Alexandre M. Anesio Nature Geoscience – Issue – nature.com science feeds
Posted in Geology
Tagged carbon, driven, export, from, Greenland, labile, Microbially, organic
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Microbial formation of labile organic carbon in Antarctic glacial environments
Nature Geoscience 10, 356 (2017). doi:10.1038/ngeo2925 Authors: H. J. Smith, R. A. Foster, D. M. McKnight, J. T. Lisle, S. Littmann, M. M. M. Kuypers & C. M. Foreman Nature Geoscience – Issue – nature.com science feeds
Early organic carbon got deep burial in mantle
Petrologists who recreated hot, high-pressure conditions from 60 miles below Earth’s surface have found a new clue about a crucial event in the planet’s deep past. Geology News — ScienceDaily
Study: Early organic carbon got deep burial in mantle
This schematic depicts the efficient deep subduction of organic (reduced) carbon, a process that could have locked significant amounts of carbon in Earth’s mantle and resulted in a higher percentage of atmospheric oxygen. Based on new high-pressure, high-temperature experiments, Rice … Continue reading
Pacific carbon cycling constrained by organic matter size, age and composition relationships
Nature Geoscience 9, 888 (2016). doi:10.1038/ngeo2830 Authors: Brett D. Walker, Steven R. Beaupré, Thomas P. Guilderson, Matthew D. McCarthy & Ellen R. M. Druffel Marine organic matter is one of Earth’s largest actively cycling reservoirs of organic carbon and nitrogen. The processes controlling organic matter production … Continue reading
Marine methane paradox explained by bacterial degradation of dissolved organic matter
Nature Geoscience 9, 884 (2016). doi:10.1038/ngeo2837 Authors: Daniel J. Repeta, Sara Ferrón, Oscar A. Sosa, Carl G. Johnson, Lucas D. Repeta, Marianne Acker, Edward F. DeLong & David M. Karl Biogenic methane is widely thought to be a product of … Continue reading
An organic microchip to study neurons
(ANSAmed) – Rome, may 6th – comes an organic microchip to study neurons: a new more effective tool for the understanding of the functioning of the brain, which opens the way to ‘fix’ the poor functioning of neurons in the … Continue reading