Earth Sciences

Earth Sciences

Permafrost Thawing Sooner Than Expected, Warns Expert

“The temperature of permafrost is rapidly changing,” said Vladimir Romanovsky, head of the Permafrost Laboratory at the University of Alaska Fairbanks…

Earth Sciences

Blueschist Age: Unraveling Plate Tectonics’ True Timeline

One of the big mysteries in the history of the Earth is the emergence of plate tectonics. When exactly did the processes of plate tectonics begin that today…

Earth Sciences

Some gas produced by hydraulic fracturing comes from surprise source

Some of the natural gas harvested by hydraulic fracturing operations may be of biological origin–made by microorganisms inadvertently injected into shale by…

Earth Sciences

Study finds evidence for more recent clay formation on Mars

The research, by Brown University geologists Ralph Milliken and Vivian Sun, is in press in the Journal of Geophysical Research: Planets.

Earth Sciences

Tropical groundwater resources resilient to climate change

As climate observations show that global warming leads to fewer but more intense rainfalls, a clearer understanding of how these sources are replenished is…

Earth Sciences

Cold, hot or dry: Persistent weather extremes associated with decreased storm activity

“Less or less severe storms in the mid-latitudes, this at first sight seems to be good news – but unfortunately it isn’t,” says lead-author Jascha Lehmann….

Earth Sciences

Arctic Atmosphere Warms: Impact on Clouds and Climate Change

“As the Arctic atmosphere warms and moistens, it becomes a better insulator. While we expected this to reduce the influence from clouds, which provide…

Earth Sciences

Air Pollution Control Policies Boost Downwind Air Quality

“I was surprised when I first saw it,” said the study's author Mark Castro, associate professor with the University of Maryland Center for Environmental…

Earth Sciences

Pilot Study Examines Offshore Lighthouses’ Storm Responses

A team from the School of Marine Science and Engineering considered historical and contemporary observations of the wave impact loading on rock lighthouses…

Earth Sciences

Greenland Glaciers Retreating Faster Than Ever Recorded

Greenland's glaciers are retreating quickly, and a new study shows in historical terms just how quickly: over the past century, at least twice as fast as any…

Earth Sciences

Warm Nights Boost Carbon Emissions: Climate Change Impact

Since measurements began in 1959, nighttime temperatures in the tropics have had a strong influence over year-to-year shifts in the land's carbon-storage…

Earth Sciences

Maximum Earthquake Magnitudes Along Continental Transform Faults

Earthquakes along those faults typically do not exceed earthquake magnitudes around M8 but occur at shallow depth thus posing a major threat to nearby…

Earth Sciences

Ocean Toxicity Slowed Complex Life’s Evolution on Earth

“In the article we argue that when we first see the appearance of complex life on Earth, is when life have developed mechanisms to resist catastrophic chemical…

Earth Sciences

Fukushima Cesium Levels Spike in Offshore Seawater Samples

The level of radioactive cesium isotopes in the sample, 11 Becquerel's per cubic meter of seawater (about 264 gallons), is 50 percent higher than other samples…

Earth Sciences

Citizen-Driven Innovation: Open Data Project Empowers Observations

Christopher Kyba is a researcher at the GFZ German Research Centre for Geosciences and the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB)….

Earth Sciences

Landslides and Weathering: Impact on Rock Stability

Chemical weathering of rocks over geological time scales is an important control on the stability of the climate. This weathering is, in turn, highly dependent…

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