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Tag: Department of Earth and Environmental Sciences

Gas hydrate breakdown unlikely to cause massive greenhouse gas release

Gas hydrate breakdown unlikely to cause massive greenhouse gas release

February 8, 2017

A recent interpretive review of scientific literature performed by researchers at the U.S. Geological Survey and here at Rochester pays particular attention to gas hydrates beneath the Arctic Ocean.

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Earth’s magnetic field—reversing or fluctuating?

Earth’s magnetic field—reversing or fluctuating?

February 8, 2017

For the last 160 years, the Earth’s magnetic field has been weakening. In an essay shared on Newsweek, professor John Tarduno explains archaeomagnetism research, in which geophysicists team up with archaeologists to study the effects of these changes.

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First-of-its-kind study examines Great Lakes methane

First-of-its-kind study examines Great Lakes methane

January 6, 2017

There is very little data on the methane levels in the Great Lakes, the world’s largest collection of freshwater. Early last spring, earth and environmental sciences professor John Kessler invited five undergraduate students and a master’s degree candidate on a research venture designed to change that.

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New prehistoric bird species discovered

New prehistoric bird species discovered

December 16, 2016

A team of Rochester geologists has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost latitude.

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Fate of marine carbon confirms importance of polar oceans

Fate of marine carbon confirms importance of polar oceans

August 3, 2016

A new study shows that the polar seas are much better than other regions of the ocean at trapping carbon from marine plankton.

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Robert Poreda honored as fellow of Geological Society of America

Robert Poreda honored as fellow of Geological Society of America

November 30, 2015

Geochemist Robert Poreda, professor of earth and environmental sciences and an expert in the field of noble gases, was honored earlier this month as a newly elected fellow of the Geological Society of America (GSA).

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International research team to explore whether the loss of CO2 caused earth to cool 3 million years ago

International research team to explore whether the loss of CO2 caused earth to cool 3 million years ago

September 28, 2015

The National Science Foundation (NSF) has awarded $4.24 million to Carmala Garzione and John Tarduno, both professors of earth and environmental sciences, to launch this joint U.S.-China research project.

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Ancient crystals show Earth’s magnetic field switched on early

Ancient crystals show Earth’s magnetic field switched on early

August 5, 2015

To probe the origin of Earth’s magnetism, a team led by John Tarduno retrieved rock samples from the Jack Hills in Western Australia – home to some of the oldest rocks on the planet.

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Earth magnetic shield is older than previously thought

Earth magnetic shield is older than previously thought

July 31, 2015

The Earth’s magnetic field, which shields the atmosphere from harmful radiation, is at least four billion years old, according to scientists.

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