BlogArena

General blog about anything and everything of everyday's life.

12. Nov 2019

June 26, 2013
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Researchers take new look at future Colorado River flows

The Colorado River provides water for more than 30 million people in the U.S. West, so water managers have been eager to understand how climate change will affect the river’s flow. But scientific studies have produced an unsettling range of … Continue reading

December 6, 2012
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Grand Canyon as Old as the Dinosaurs, Suggests New Study Led by CU-Boulder

An analysis of mineral grains from the bottom of the western Grand Canyon indicates it was largely carved out by about 70 million years ago — a time when dinosaurs were around and may have even peeked over the rim, … Continue reading

February 10, 2012
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3-D Laser Map Shows Earthquake Zone Before and After

*Geologists learn how earthquakes change the landscape — down to a few inches* Geologists have a new tool to study how earthquakes change the landscape–down to a few inches. It’s giving scientists insights into how earthquake faults behave. In this … Continue reading

January 20, 2012
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NASA Sees Repeating La Niña Hitting its Peak

La Niña, “the diva of drought,” is peaking, increasing the odds that the Pacific Northwest will have more stormy weather this winter and spring, while the southwestern and southern United States will be dry. Sea surface height data from NASA’s … Continue reading

November 6, 2011
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UA 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 have occurred at intervals throughout our past.* Almost … Continue reading

June 29, 2011
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Genetic Analysis Splits Desert Tortoise into Two Species

RIVERSIDE, Calif. – A new study shows that the desert tortoise, thought to be one species for the past 150 years, now includes two separate and distinct species, based on DNA evidence and biological and geographical distinctions. This genetic evidence … Continue reading

June 10, 2011
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‘Mountain Pine Beetle Activity May Impact Snow Accumulation And Melt’

A new University of Colorado Boulder study indicates the infestation of trees by mountain pine beetles in the high country across the West could potentially trigger earlier snowmelt and increase water yields from snowpack that accumulates beneath affected trees. Led … Continue reading

October 4, 2010
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Ancient Colorado River Flowed Backwards

Palo Alto, CA — Geologists have found evidence that some 55 million years ago a river as big as the modern Colorado flowed through Arizona into Utah in the opposite direction from the present-day river. Writing in the October issue … Continue reading