Scientists find evidence of Roman period megadrought
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 ...
Lessons from the Christchurch, New Zealand earthquake
Details of an earthquake that rocked the largest city in the South Island of New Zealand in February 2011 may transform the way scientists assess the potential threat of fault lines that run through urban centers.
Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life
New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal ...
New study of storm generation could improve rainfall prediction in West Africa
A new study of how storms are generated could improve rainfall prediction in dry regions of Africa, where drought and short growing seasons are common.
Analysis of Marcellus flowback finds high levels of ancient brines
Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium. The chemistry ...
Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow
(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...
Rising seas will affect major US coastal cities by 2100
Rising sea levels could threaten an average of 9 percent of the land within 180 U.S. coastal cities by 2100, according to new research led by University of Arizona scientists.
Embracing data 'noise' brings Greenland's complex ice melt into focus
(Phys.org)—An enhanced approach to capturing changes on the Earth's surface via satellite could provide a more accurate account of how ice sheets, river basins and other geographic areas are changing as ...
Plant body clock observed in tropical forest research
(PhysOrg.com) -- Predictions of the ground-level pollutant ozone will be more accurate in future according to research published today by environment scientists at research centres including the University of Birmingham in ...
Europe may be slowly disappearing under Africa: research
Rising risk of major quake in Chile: study
Central Chile faces increased risk of a very large earthquake close to the site of last February's 8.8-magnitude temblor that killed 520 people and cost 30 billion dollars, scientists said on Sunday.
Even Canadian rocks are different
Canadians have always seen themselves as separate and distinct from their American neighbours to the south, and now they have geological proof.
Solomon Islands earthquake sheds light on enhanced tsunami risk
The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
Terrestrial biodiversity recovered faster after Permo-Triassic extinction than previously believed
While the cause of the mass extinction that occurred between the Permian and Triassic periods is still uncertain, two University of Rhode Island researchers collected data that show that terrestrial biodiversity recovered ...