Taxonomy term

west

Geologic Column: Lighting out for the territory

The author contemplates the history of westward expansion into arid lands and wonders if our unwise use of resources in places like the U.S. Southwest will eventually return the land "to the process of geology."

27 Feb 2015

Return of the Dust Bowl

Geoscientists Predict a Dry, Dusty Future for the American West

Haboobs walloped Arizona last summer. Locals long ago adopted the Arabic word for a major dust storm, but even old-timers say they can’t remember anything quite like this year’s aerial assaults.

28 Oct 2011

Endangered snow: how climate change threatens West Coast water supplies

If you turn the tap on in Seattle, the water flowing from the faucet likely originated as a clump of snow. In winter, snowflakes fall in the Cascades, accumulating in thick snowpack. The snowpack stores water in winter and slowly releases it in spring and summer as temperatures warm and snow melts. As snowmelt flows down the mountains, some of it is diverted and collected in reservoirs — destined to arrive in the homes of more than 1 million people.

17 Jun 2011