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Adapting Colorado River Basin Depletions To Available Water To Live Within Our Means, Jian Wang, David E. Rosenberg Jan 2022

Adapting Colorado River Basin Depletions To Available Water To Live Within Our Means, Jian Wang, David E. Rosenberg

Publications

The Colorado River’s two largest reservoirs are drawing down because releases exceed inflows and releases adapt to reservoir elevations instead of elevation and inflow triggers. To help slow reservoir drawdown and sustain target elevations, we introduced a new rule that adapted basin depletions to available water. We simulated inflow-based operations and validated existing operations in a new open-source exploratory model for the Colorado River Basin. We developed the exploratory model to more easily adapt Upper and Lower Basin depletions to available water, reduce run time, and lower costs to use compared to the proprietary RiverWare Colorado River Simulation System (CRSS) …


Assessment Of Potential Augmentation And Management Strategies For Razorback Sucker Xyrauchen Texanus In Lake Mead And Grand Canyon: A 2021 Science Panel Summary, Casey A. Pennock, Phaedra Budy, Scott A. Bonar, Thomas E. Dowling, Keith B. Gido, Eliza I. Gilbert, Brian R. Kesner, Craig P. Paukert, Michael C. Quist, Julie Stahli, Thomas F. Turner, David L. Ward Jan 2022

Assessment Of Potential Augmentation And Management Strategies For Razorback Sucker Xyrauchen Texanus In Lake Mead And Grand Canyon: A 2021 Science Panel Summary, Casey A. Pennock, Phaedra Budy, Scott A. Bonar, Thomas E. Dowling, Keith B. Gido, Eliza I. Gilbert, Brian R. Kesner, Craig P. Paukert, Michael C. Quist, Julie Stahli, Thomas F. Turner, David L. Ward

Ecology Center Publications

Razorback Sucker Xyrauchen texanus is a large-bodied, long-lived species endemic to the Colorado River Basin. This species historically ranged throughout the basin from the Colorado River delta in Mexico to Wyoming and Colorado. Currently, the species persists ,in a small portion of its historical range with the help of intensive management efforts including augmentation. Recruitment to adult life stages is extremely limited in the wild, but is documented consistently in Lake Mead. Research and monitoring efforts in Lake Mead are ongoing since 1996 and have recently expanded to include the Colorado River inflow area and portions of lower Grand Canyon. …