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Complex Dynamics of Water Shortages Highlighted in Study

Within the Colorado River basin, management laws dictate how water is allocated to farms, businesses and homes. Those laws, along with changing climate patterns and demand for water, form a complex dynamic that has made it difficult to predict who will be hardest hit by drought.

Cornell engineers have used advanced modeling to simulate more than 1 million potential futures – a technique known as scenario discovery – to assess how stakeholders who rely on the Colorado River might be uniquely affected by changes in climate and demand as a result of management practices and other factors.

Can a New Approach to Managing California Reservoirs Save Water and Still Protect Against Floods?

Many of California’s watersheds are notoriously flashy – swerving from below-average flows to jarring flood conditions in quick order. The state needs all the water it can get from storms, but current flood management guidelines require reservoirs to dump water each winter to make space for flood flows that may not come. However, new tools and operating methods could lead the way to a redefined system that improves both water supply and flood protection capabilities.

Water Reservoirs Below Average in Cascades

Coming off a summer of moderate drought with some crop losses, the five Cascade Mountain reservoirs serving irrigators in the Yakima Basin have less water than normal and the winter snowpack outlook is uncertain.

“We are in an El Nino neutral which would mean normal conditions and we would be fairly optimistic. No one has been calling for a dry or mild winter so we have no cause to think it will be,” said Chris Lynch, hydrologist for the U.S. Bureau of Reclamation in Yakima. However, he added, a warm water body off the Gulf of Alaska, reminiscent of one there prior to the drought of 2015, could result in more moderate temperatures and less snow.