lake sediments

Traces of islandic volcanoes in a northeastern German lake

Traces of volcanic ash originating from islandic volcanoes have been found in the sediments of Laker Tiefer See in the Nossentiner-Schwinzer Heide natural park…

Catastrophic medieval earthquakes in the Nepal

Three medieval earthquakes, in 1100, 1255 and 1344, with magnitudes of around Mw 8 triggered large-scale collapses, mass wasting and initiated the…

A cataclysmic event of a certain age

At the end of the Pleistocene period, approximately 12,800 years ago­ — give or take a few centuries — a cosmic impact triggered an abrupt cooling episode…

Earth’s magnetic field could flip within a human lifetime

It’s not as bizarre as it sounds. Earth’s magnetic field has flipped – though not overnight – many times throughout the planet’s history.

The water cycle amplifies abrupt climate change

In a new study published in Nature Geoscience online (January 19, 2014) scientists from the University of Potsdam, Germany and the GFZ German Research Centre…

Warm summers coincide with less frequent flooding

This is the finding of a study supported by the Swiss National Science Foundation (SNSF) and carried out by researchers at the Swiss Federal Institute of…

Analysis of 2,000 Years of Climate Records Finds Global Cooling Trend Ended in the 19th Century

The most comprehensive evaluation of temperature change on Earth’s continents over the past 1,000 to 2,000 years indicates that a long-term cooling…

Fast-Shrinking Glacier Also Experienced Rapid Growth

The conclusion stems from new research on Jakobshavn Isbrae, a tongue of ice extending out to sea from Greenland’s west coast. Through an analysis of adjacent…

Dead midges reveal living conditions of fish

“It is actually just like a journey through time. Fish hardly leave any remains of their own when they die, but if we instead study the presence of organisms…

Arctic lakes help scientists understand climate change

An international team of scientists, led by Darrell Kaufman, a Northern Arizona University professor of geology and environmental science, recently completed a…

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