Abiotic Controls on H2 Production from Basalt-Water Reactions and Implications for Aquifer Biogeochemistry

Article Abstract:

Investigation of H2 production by basalt reactions in aqueous solutions, and how this phenomenon is thought to support deep subsurface aquifers' microbial ecosystems. By studying the temperature, ph, rock composition, reducing agents, product removal, and sterilization method, the authors concluded these basalt reactions could support such ecosystems.

Microbial ecology, Basalt, Technical, Aquifers, Biogeochemistry, Columbia River

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Carbon cycle surprises

Article Abstract:

NASA's Goddard Space Flight Center conducted measurements spanning a 3-year period with its Sea-viewing Wide Field-of-view Sensor on the earth's carbon cycle, and results showed that plants are taking up a little more than previously thought. The earth's biomass generated by photosynthesizing plants on both sea and land is at 111 to 117 pentagrams of carbon per year. Data collected shows that half of the photosynthesis on earth takes place in the ocean, and the increased amount of carbon captured by ocean plants is due in part to the ocean's upwelling from the El Nino to La Nina weather transition.

Statistics, Photosynthesis, Carbon cycle (Biogeochemistry), Carbon cycle, Aquatic plants, United States. Goddard Space Flight Center

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Distribution and retention of 137Cs in sediments at the Hanford site, Washington

Article Abstract:

137Cs-contaminated core samples are taken from nearby a leaking single-shell storage tank in Hanford, Washington. The binding of 137Cesium to contaminated sediments is graphed, as is the probability of mobility, especially in relation to micas.

Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Waste Management and Remediation Services, Washington, All Other Nonmetallic Mineral Mining, Pollution Control, Miscellaneous nonmetallic minerals, Sanitary Services, Industrial inorganic chemicals, not elsewhere classified, Cesium, Mica, Pollution control industry, Soil pollution, Nonmetal mining, Uranium, Hanford, Washington

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