- Oct 17, 2011
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Texas’ plan to provide water for a growing population virtually ignores climate change
Texas’ biggest single solution to providing enough water for its soaring population in the coming decades is using more surface water, including about two dozen new large reservoirs. But climate change has made damming rivers a riskier bet.
Climate change has brought higher temperatures that dry soil more quickly, enhancing the effects of drought and causing less rain to flow into Texas’ rivers and streams. At the same time, longer-lasting and more intense heat brought by climate change accelerates water evaporation from Texas’ reservoirs.
“It’s not going to go away,” Rathmell said. “Over the years, our area does seem to be getting drier. It seems like it rains less year after year.”
“And of course,” he added, “the demand for water just keeps increasing.”
“Surface water is one of, if not the most, susceptible [water] supplies to climate change,” said Robert Mace, the executive director and chief water policy officer for the Meadows Center for Water and the Environment at Texas State University.
But adding surface water is the centerpiece of Texas’ long-term water plan.
“Dams don’t make water,” said Samuel Sandoval Solís, a professor in water resources at the University of California Davis who has studied the Rio Grande Basin. “If it doesn’t rain, as suspected [with climate change], we are going to have monuments to stupidity built with taxpayer dollars.”
Texas’ biggest single solution to providing enough water for its soaring population in the coming decades is using more surface water, including about two dozen new large reservoirs. But climate change has made damming rivers a riskier bet.
Climate change has brought higher temperatures that dry soil more quickly, enhancing the effects of drought and causing less rain to flow into Texas’ rivers and streams. At the same time, longer-lasting and more intense heat brought by climate change accelerates water evaporation from Texas’ reservoirs.
“It’s not going to go away,” Rathmell said. “Over the years, our area does seem to be getting drier. It seems like it rains less year after year.”
“And of course,” he added, “the demand for water just keeps increasing.”
“Surface water is one of, if not the most, susceptible [water] supplies to climate change,” said Robert Mace, the executive director and chief water policy officer for the Meadows Center for Water and the Environment at Texas State University.
But adding surface water is the centerpiece of Texas’ long-term water plan.
“Dams don’t make water,” said Samuel Sandoval Solís, a professor in water resources at the University of California Davis who has studied the Rio Grande Basin. “If it doesn’t rain, as suspected [with climate change], we are going to have monuments to stupidity built with taxpayer dollars.”