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Coastal sea change

By Guest PostDecember 11, 2013Environmentanthropogenic factors, atmosphere, balance, carbon cycling, carbon dioxide, carbon dioxide sink, ceoe, climate change, coastal ocean functions, coastal sea change, global models, global warming, greenhouse gas, industrial age, industrial revolution, james bauer, ocean acidification, peter a raymond, sink, source, thomas s bianchi, variables, wei jun cai, yale university

UD oceanographer reports on human-caused changes to carbon cycling

Carbon dioxide pumped into the air since the Industrial Revolution appears to have changed the way the coastal ocean functions, according to a new analysis published this week in Nature.

A comprehensive review of research on carbon cycling in rivers, estuaries and continental shelves suggests that collectively this coastal zone now takes in more carbon dioxide than it releases. The shift could impact global models of carbon’s flow through the environment and future predictions related to climate change. (more…)

First Global Picture of Greenhouse Gases Emerges from Pole-to-Pole Research Flights

By Guest PostSeptember 10, 2011Environmentandy watt, anne-marie schmoltner, Antarctic, Arctic, black carbon particles, britton stephens, carbon dioxide, climate, concentrations of greenhouse gases, earth, global distribution of gases, gulfstream v aircraft, harvard university, hiaper, hiaper pole to pole observations, high performance instrumented airborne platform for environmental research, hippo, Houston, industrial age, los angeles, national science foundation, natural carbon dioxide uptake and storage, new zealand, nsf, pacific, particles in the atmosphere, portrait of greenhouse gases, ryan spackman, steven wofsy

*Three-year series of scientific missions from Arctic to Antarctic produces new views of atmospheric chemistry*

A three-year series of research flights from the Arctic to the Antarctic has successfully produced an unprecedented portrait of greenhouse gases and particles in the atmosphere.

The far-reaching field project, known as HIPPO, ends this week, and has enabled researchers to generate the first detailed mapping of the global distribution of gases and particles that affect Earth’s climate. (more…)

‘Thawing Permafrost Likely Will Accelerate Global Warming in Coming Decades’

By Guest PostFebruary 18, 2011Environmentalaska, Arctic, atmosphere, carbon, carbon dioxide concentration, climate change, CO2, earth, environmental sciences, fossil fuel emissions, frozen in soil, greenhouse gases, industrial age, kevin schaefer, last glacial period, lori bruhwiler, noaa, permafrost, Siberia, tingjun zhang, warming temperatures

Up to two-thirds of Earth’s permafrost likely will disappear by 2200 as a result of warming temperatures, unleashing vast quantities of carbon into the atmosphere, says a new study by the University of Colorado Boulder’s Cooperative Institute for Research in Environmental Sciences.

The carbon resides in permanently frozen ground that is beginning to thaw in high latitudes from warming temperatures, which will impact not only the climate but also international strategies to reduce fossil fuel emissions, said CU-Boulder’s Kevin Schaefer, lead study author. “If we want to hit a target carbon dioxide concentration, then we have to reduce fossil fuel emissions that much lower than previously thought to account for this additional carbon from the permafrost,” he said. “Otherwise we will end up with a warmer Earth than we want.” (more…)

Tag Archives: industrial age

Coastal sea change

First Global Picture of Greenhouse Gases Emerges from Pole-to-Pole Research Flights

‘Thawing Permafrost Likely Will Accelerate Global Warming in Coming Decades’