Earth Sciences

Earth Sciences

Meteorite Impact Evidence Lacking for Younger Dryas Event

The Younger Dryas is an abrupt cooling event in Earth's history. It coincided with the extinction of many large mammals including the woolly mammoth, the saber…

Earth Sciences

GAW Stations Monitor CO2 Levels Across China

In the past decades, the field campaign and research program were only conducted at a few sites in China by different agencies. However, none of those…

Earth Sciences

Earth’s Temperature More Sensitive to CO2, New Study Finds

In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study…

Earth Sciences

Undocumented Volcano Contributed to Extremely Cold Decade from 1810-1819

The discovery helps explain the record cold decade from 1810-1819.Researchers made the finding by analyzing chemicals in ice samples from snow-capped…

Earth Sciences

Researchers Uncover Pictured Rocks History

John Anderton, head of the department, said the National Park Service supported the effort to locate cultural resources so they remain protected in future…

Earth Sciences

Quake Prediction Model Developed

The forecasting model developed by Danijel Schorlemmer, of the USC College of Letters, Arts and Sciences, aims to predict the rough size and location of future…

Earth Sciences

Rising CO2 Levels in Rural Troposphere: Key Findings Explained

Over recent years, physicists and meteorologists have been trying to find out about carbon dioxide (CO2) levels, and how these have evolved in the troposphere…

Earth Sciences

Antarctic Snowmelt Trends: Insights from CCNY Professor

The 30-year record low in Antarctic snowmelt that occurred during the 2008-09 austral summer was likely due to concurrent strong positive phases for two main…

Earth Sciences

Climatic Fluctuations in the Tropics: A 11,500-Year Insight

Climatic fluctuations close to the equator show a different pattern to climate change in the Arctic and Antarctic. In the tropics distinct 11500 year…

Earth Sciences

Hawaiian Volcanoes: Exploring the Science of Mantle Plumes

A classic explanation, proposed nearly 40 years ago, has been that magma is supplied to the volcanoes from upwellings of hot rock, called mantle “plumes,” that…

Earth Sciences

Turbulent Convection: Heat Transport in Fluids Explained

There, because warm fluid rises and hence induces movement, the turbulent convection can be 100 billion times stronger than in the typical cooking pot. Hot…

Earth Sciences

Swiss Scientists Use Light to Measure Glacier Melting

Changes in the thickness of a glacier are traditionally measured by means of wooden poles and snow-shovels. Those methods are inexpensive and can be carried…

Earth Sciences

In CO2-rich Environment, Some Ocean Dwellers Increase Shell Production

Because excess CO2 dissolves in the ocean—causing it to “acidify” —researchers have been concerned about the ability of certain organisms to maintain the…

Earth Sciences

Antarctica served as climatic refuge in Earth's greatest extinction event

Jörg Fröbisch and Kenneth D. Angielczyk of The Field Museum together with Christian A. Sidor from the University of Washington have identified a distant…

Earth Sciences

Typhoon Nida's Cloud Tops Dropping as it Zigzags in Wind Shear

Over the last few days, satellites have shown forecasters that Nida has zigzagged between 18 and 20 degrees North Latitude on its somewhat erratic northern…

Earth Sciences

First comprehensive review of the state of Antarctica's climate

The first comprehensive review of the state of Antarctica's climate and its relationship to the global climate system is published this week (Tuesday 1…

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