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Facing a Colorado River shortage, Arizona prepares for the pain of water cutbacks

Facing a Colorado River shortage, Arizona prepares for the pain of water cutbacks Ian James, Arizona Republic © Mark Henle/The Republic Lake Mead has declined dramatically since 2000. A high-water mark or “bathtub ring” is visible on the shoreline in this 2019 photo. With the Colorado River’s largest reservoir just 38% full and declining toward the threshold of a first-ever shortage, Arizona water officials convened an online meeting this week to outline how the state will deal with water cutbacks, saying the reductions will be “painful” but plans are in place to lessen the blow for affected farmers next year. © David Wallace/The Republic

Pinal countyUnited statesLower basinLake meadHoover damColorado riverMexico generalLake powellRhett larsonMark henleIan jamesDavid wallaceTom buschatzkeTed cookeLas vegasArizona reconsultation committee

New snowpack totals suggest the 20-year Western drought will persist, intensify

New snowpack totals suggest the 20-year Western drought will persist, intensify Bob Berwyn and Judy Fahys © Michael Kodas/Inside Climate News Researchers with the Long Term Ecological Research station at the University of Colorado’s Mountain Research Station work on the 2019 snow survey in the Green Lakes Valley, which includes the Arikaree Glacier and provides a substantial portion of Boulder, Colorado’s water supply. Lack of monsoon rainfall last summer and spotty snowfall this winter combined to worsen the Western drought dramatically in the past year, and spring snowmelt won’t bring much relief. Critical April 1 measurements of snow accumulations from mountain ranges across the region show that most streams and rivers will once again flow well below average levels this year, stressing ecosystems and farms and depleting key reservoirs that are already at dangerously low levels.

United statesUniversity of arizonaLake powellArikaree glacierColorado riverNew mexicoUniversity of new mexicoRocky mountain national parkNorth dakotaLani tsinnajinnieKeith musselmanJon meyerJessica lundquistCody moserMountain national parkYosemite national park tuolumne meadows

Climate change is hitting the Colorado River incredibly fast and incredibly hard

Climate change is hitting the Colorado River incredibly fast and incredibly hard Ian James, Arizona Republic © Nick Oza/The Republic Paul Bruchez uses a tractor to feed hay to cattle on his family’s ranch beside the Colorado River near Kremmling, Colorado. ROCKY MOUNTAIN NATIONAL PARK, Colorado Beside a river that winds through a mountain valley, the charred trunks of pine trees lie toppled on the blackened ground, covered in a thin layer of fresh snow. Weeks after flames ripped through this alpine forest, a smoky odor still lingers in the air. The fire, called the East Troublesome, burned later into the fall than what once was normal. It cut across Rocky Mountain National Park, racing up and over the Continental Divide. It raged in the headwaters of the Colorado River, reducing thick forests to ashes and scorching the ground along the river’s banks.

Reeder creekUnited statesSalton seaGunnison valleyColorado riverMexico generalNew mexicoContinental divideGlen canyon damHoover damBlue mesa reservoirLake powellLower basinGunnison riverAmerican riverUpper basin

Climate s toll on the Colorado River: We can weather maybe a couple of years

Climate change is hitting the Colorado River incredibly fast and incredibly hard Ian James, Arizona Republic © Nick Oza/The Republic Paul Bruchez uses a tractor to feed hay to cattle on his family’s ranch beside the Colorado River near Kremmling, Colorado. ROCKY MOUNTAIN NATIONAL PARK, Colorado Beside a river that winds through a mountain valley, the charred trunks of pine trees lie toppled on the blackened ground, covered in a thin layer of fresh snow. Weeks after flames ripped through this alpine forest, a smoky odor still lingers in the air. The fire, called the East Troublesome, burned later into the fall than what once was normal. It cut across Rocky Mountain National Park, racing up and over the Continental Divide. It raged in the headwaters of the Colorado River, reducing thick forests to ashes and scorching the ground along the river’s banks.

Reeder creekUnited statesSalton seaGunnison valleyColorado riverMexico generalNew mexicoContinental divideGlen canyon damHoover damBlue mesa reservoirLake powellLower basinGunnison riverAmerican riverUpper basin

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