U.S. Geological Survey

March 14, 2013--Scientists: Individual action, adaptation necessary to halt a changing climate (Coloradoan)

Do your small part to adapt to climate change and stop it in its tracks, or a global problem could continue to get worse. That was the primary message from a panel of five Northern Colorado scientists — all of whom helped author the 2013 National Climate Assessment — speaking Wednesday at a Colorado State University forum about the local impacts of climate change.

February 2, 2013--USGS assesses Lake Mead (Summit Voice)

Better sewage treatment in Las Vegas, long-term treatment of persistent pollution from industrial sources and development of artificial wetlands have all helped protect water quality Lake Mead, according to federal scientists who recently released a report the status of the last big storage bucket in the Colorado River’s plumbing system. Overall, the U.S.

USGS Report Summarizes Groundwater Pumping Affects on Stream Flows

Groundwater and surface-water systems are connected, and groundwater discharge is often a substantial component of the total flow of a

November 16, 2012--How does groundwater pumping affect streamflow? (Science Daily)

Groundwater provides drinking water for millions of Americans and is the primary source of water to irrigate cropland in many of the nations most productive agricultural settings. Although the benefits of groundwater development are many, groundwater pumping can reduce the flow of water in connected streams and rivers -- a process called streamflow depletion by wells.

October 18, 2012--Streamflow close to 2002 low (Pagosa Springs Sun)

Fall is here, and winter is right around the corner. During this time of year, the river isn’t expected to be rushing. The San Juan River normally winds leisurely through Pagosa Country being adorned by the falling golden leaves — a perfect backdrop for a lovely photo. Or possibly the river might take on another meaning for those looking to catch fish.

Colorado River Water Future

Consider some of the following High Country News numbers to provide a sense of the Colorado River water future:

August 10, 2012--North American freshwater fishes race to extinction: Rate of loss of species exceeds that of terrestrial animals (Science Daily)

North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, although it has leveled off in the past decade. The number of extinct species has grown by 25 percent since 1989. The article, by Noel M.

June 28, 2012--Experts warn public policy must change in wake of wildfires (Colorado Independent)

Public policy and political will must shift as dramatically as the winds that have whipped Colorado’s record wildfires, experts say, or the state’s residents will continue to pay a higher and higher price for forests that are dying due to global climate change.

May 22, 2012--Watersheds (Environmental News Network)

Climate change will affect specific water basins in the U.S. differently, based on the particular hydrologic and geologic conditions in that area.

Agencies Look at Mercury Levels in Fish

The Southwestern Water Conservation District (SWCD) and the U.S. Geological Survey have begun a study on mercury levels in fish in the Dolores/San Juan River Basin. To-date, little data exists of potential sources of this mercury.

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