Marine plankton brighten clouds over Southern Ocean

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Summertime plankton blooms in the Southern Ocean play a significant role in generating brighter clouds overhead....

International report confirms: 2014 was Earth’s warmest year on record

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In 2014, the most essential indicators of Earth's changing climate continued to reflect trends of a warming planet, with several markers such as rising land and ocean temperature, sea levels and greenhouse gases -- setting new records. These key findings and others can be found in the State of the Climate in 2014 report released online by the American Meteorological Society (AMS)....

Carbon dioxide pools discovered in Aegean Sea

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The location of the second largest volcanic eruption in human history, the waters off Greece's Santorini are the site of newly discovered opalescent pools forming at 250 meters depth. The interconnected series of meandering, iridescent white pools contain high concentrations of carbon dioxide and may hold answers to questions related to deep-sea carbon storage as well as provide a means of monitoring the volcano for future eruptions....

Oceans slowed global temperature rise, until now

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A new study of ocean temperature measurements shows that in recent years, extra heat from greenhouse gases has been trapped in the subsurface waters of the Pacific and Indian oceans, thus accounting for the slowdown in the global surface temperature increase observed during the past decade, researchers say....

Polar bears threatened: Experience limited energy savings in summer

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Some earlier research suggested that polar bears could, at least partially, compensate for longer summer food deprivation by entering a state of lowered activity and reduced metabolic rate similar to winter hibernation -- a so-called 'walking hibernation.' But new research shows that the summer activity and body temperature of bears on shore and on ice were typical of fasting, non-hibernating mammals, with little indication of 'walking hibernation.'...

Sun’s activity controls Greenland temperatures

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The sun's activity could be affecting a key ocean circulation mechanism that plays an important role in regulating Greenland's climate, according to a new study. The phenomenon could be partially responsible for cool temperatures the island experienced in the late 20th century and potentially lead to increased melting of the Greenland ice sheet in the coming decades, the new research suggests....

Are marine ecosystems headed toward a new productivity regime?

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Phytoplankton have been projected to produce less organic material as the oceans' temperatures rise -- with carry-on effects for higher levels of the food web. Based on new climate model simulations, a team of scientists suggests now that this assumption might be misleading. According to the researchers, ocean productivity might be pushed into a completely new regime in the more distant future....

Closer look at microorganism provides insight on carbon cycling

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A research team has reconstructed the crystal structure of BAP, a protein involved in the process by which marine archaea release carbon, to determine how it functioned, as well as its larger role in carbon cycling in marine sediments....

Marine litter undermines benefits of coastal environments

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Marine litter has the potential to undermine the psychological benefits of coastal environments, according to a new study....

Wrap-up of 2015 Ecological Forecasts

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Each year, NOAA releases many forecasts for the nation, including regionial cover harmful algal bloom, dead zone, and coral bleaching outlooks. The article is a handy reference that highlights key 2015 forecasts.

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