Rainfall patterns in the Sahara during the 6,000-year "Green Sahara" period have been pinpointed by analyzing marine sediments, according to new research.
Earth Sciences
Jan 18, 2017
3
325
(Phys.org)—The ancient Maya city of Tikal may have used intensive agricultural practices to maintain its large population, according to a study by David Lentz of the University of Cincinnati and colleagues. While these ...
With plenty of news reports talking about giant mosquitos invading Florida, Deby Cassill, a biologist at the University of South Florida St. Petersburg, said it's just a matter of time before the "gallinipper" or flying, ...
Plants & Animals
Apr 5, 2013
6
0
Rapidly dropping water levels of the Dead Sea, the lowest point on the earth's surface heralded for its medicinal properties, has been a source of ecological concern for years. Now a drilling project led by researchers from ...
Earth Sciences
Apr 10, 2012
4
0
A new study at the UA's Laboratory of Tree-Ring Research has revealed a previously unknown multi-decade drought period in the second century A.D. The findings give evidence that extended periods of aridity have occurred at ...
Earth Sciences
Nov 4, 2011
6
0
Krasiejow, Poland was a vastly different place 230 million years ago during the Triassic Period. It was part of a giant continent called Pangea, had a warm climate throughout the year, and was populated by giant amphibians ...
Archaeology
Sep 2, 2013
0
0
Once, a river ran through it. Now, white dust and thousands of dead fish cover the wide trench that winds amid rows of trees in France's Burgundy region in what was the Tille River in the village of Lux.
Environment
Aug 12, 2022
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66
Climate change is leaving its mark on the bog complexes of the German Black Forest. Due to rising temperatures and longer dry periods, two plant species have already gone extinct over the last 40 years. The populations of ...
Plants & Animals
Oct 28, 2020
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28
Increasing summer heat and drought are affecting European forests—some years, trees brown prematurely and some even start to die back. Researchers from ETH Zurich and the WSL are showing how exceptional weather conditions ...
Ecology
Mar 31, 2023
0
36
(Phys.org) -- Tree ring and oxygen isotope data from the U.S. Pacific Northwest do not provide the same information on past precipitation, but rather than causing a problem, the differing results are a good thing, according ...
Earth Sciences
Jul 2, 2012
4
0
