Member Highlight: Greenland Ice Sheet Melting Can Cool Subtropics, Alter Climate

2017-02-27T17:00:58+00:00 February 14, 2017|

A new study finds evidence that the last time Earth was as warm as it is today, cold freshwater from a melting Greenland ice sheet circulated in the Atlantic Ocean as far south as Bermuda, elevating sea levels and altering the ocean's climate and ecosystems. The research shows a large pulse of cold freshwater covered the North Atlantic for a brief period of time about 125,000 years ago.

Land Bridge Caused Wild Temperature Swings

2016-06-29T10:10:02+00:00 April 10, 2012|

Much of the last ice age was characterized by violent climate swings. At seemingly random times beginning about 80,000 years ago, average temperatures in and around the North Atlantic rose or fell by 10°C or more in the course of a decade or two—a pattern that lasted for 70,000 years.

Explorers Inventory Hard-to-See Sea Life: Tiny but Mighty Microbes, Plankton, Larvae, Burrowers – Keys to Earth’s Food and Respiratory Systems

2016-06-29T10:46:17+00:00 April 19, 2010|

Microbial mat the size of Greece found on oxygen-starved South American seafloor; Scientists puzzle out Neptune’s riotous diversity of tiny creatures; “In no other ocean realm has discovery been as extensive”; Explorers yet to find any lifeless place on Earth below 150°C; Release of historic global ocean Census: October 4, 2010

Hypoxia Increases as Climate Warms

2016-06-29T10:47:42+00:00 December 15, 2009|

A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 years ago.

New Predictions For Sea Level Rise

2016-06-29T10:49:51+00:00 July 29, 2009|

Fossil coral data and temperature records derived from ice-core measurements have been used to place better constraints on future sea level rise, and to test sea level projections.

Ocean Carbon: A Dent in the Iron Hypothesis

2016-06-29T10:50:08+00:00 May 7, 2009|

BERKELEY, CA – Oceanographers Jim Bishop and Todd Wood of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have measured the fate of carbon particles originating in plankton blooms in the Southern Ocean, using data that deep-diving Carbon Explorer floats collected around the clock for well over a year. Their study reveals that most of the carbon from lush plankton blooms never reaches the deep ocean.