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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…)

NASA’s WISE Finds Mysterious Centaurs May Be Comets

PASADENA, Calf. — The true identity of centaurs, the small celestial bodies orbiting the sun between Jupiter and Neptune, is one of the enduring mysteries of astrophysics. Are they asteroids or comets? A new study of observations from NASA’s Wide-field Infrared Survey Explorer (WISE) finds most centaurs are comets.

Until now, astronomers were not certain whether centaurs are asteroids flung out from the inner solar system or comets traveling in toward the sun from afar. Because of their dual nature, they take their name from the creature in Greek mythology whose head and torso are human and legs are those of a horse. (more…)

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Coastal sea change

NASA’s WISE Finds Mysterious Centaurs May Be Comets