Under-ice measurements in Qinghai Lake show that dark-driven microbial carbon fixation contributes about 61 percent of total carbon uptake during the frozen season. Subject of Research: Microbial light-dependent and dark-driven inorganic carbon fixation rates and their regulators in ice-covered Qinghai Lake,…
The proposed funding level is modest compared with national agricultural losses described in the research record, but it could still matter if it improves exposure estimates and dose-response functions. Those functions connect a given ozone exposure to expected yield effects.
A new review synthesizes VOC sources, occurrence, analytical methods and climate feedbacks in the Tibetan Plateau and polar regions. On the analytical side, the authors report that gas chromatography–mass spectrometry (GC–MS) remains the most widely applied technique for…
A University of Bath-led study has estimated that the carbon dioxide produced by humans as our bodies turn food into energy rose by 74% between 1985 and 2015, reaching 2.05 billion tonnes a year. Researchers from the University's Centre for Exercise, Nutrition and Metabolism…
A ten-year Chinese field trial shows biochar and maize stover build soil organic carbon through distinct molecular pathways, with biochar favoring long-term stable storage and stover driving active microbial carbon cycling. Subject of Research: Divergent soil carbon sequestration pathways of…
A six-month laboratory study finds that gentle water advection nearly doubles alkalinity generation, speeds up carbon dioxide uptake and shortens the risky high-pH window in ocean alkalinity enhancement.
Left panel: change in herring catch with year of sampling. Right panel: relationship between herring catch and average log chlorophyll concentration sampled in the prior year. Data from NOAA Fisheries for Washington state. Statistically significant lines of best fit from…
A team led by Mariana Bif, right, prepares to launch a Biogeochemical-Argo float from the R:V Thomas G. Thompson. Scientists have found a new way to detect subtle chemical signatures in seawater — revealing previously invisible details about the ocean’s chemistry from…
A 45-day, nine-reactor laboratory study found that sawdust biochar increased chicken-manure biogas production by 19.65% and reduced several antibiotic resistance gene classes more effectively than higher-surface-area corn-stover biochar. Subject of Research: Bench-scale anaerobic digestion of chicken manure with agricultural biochars to…
The chemistry of air and sea: aerosols and smog, the ozone layer, ocean acidification and the greenhouse gases.
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