Search Results for: Bret Jaspers

‘Perfect droughts’ were common in the past, researchers say, and could get worse

PHOENIX – “Perfect droughts,” when diminished streamflow and precipitation affect all of a region’s water sources, occurred in California an average of six times a century for the past 600 years, University of Arizona tree-ring experts say, and they could become longer and more common in the future, irrespective of climate change.

The Colorado River is overcommitted – here’s how that happened

PHOENIX – When Western leaders divided up the life-giving waters of the Colorado River in the 1920s, they overestimated how much water was available. That “structural deficit” of 1.5 million acre-feet plays a role in the river’s dire situation today.