University of California, Davis Department of Land, Air and Water Resources Balancing Human and Environmental Water Needs in the Rio Grande - Rio Bravo Dr. Samuel Sandoval Solis In collaboration with: Janet Escorcia, Jesus Loredo, Pablo Ortiz, Laura Garza, Shona Paterson, Luzma Nava, John (Jack) Schmidt and Todd Blythe
Natural Hydrology 400 Presidio, TX San Marcial, NM Discharge (m 3 /s) Lobatos, CO 300 200 Flow Regime 100 Natural 0 J F M A M J J A S O N D RGB below Rio Conchos RGB below Devils RGB below Rio Conchos Rio Conchos RGB below Rio Salado 800 RGB at Gulf of Mexico Discharge (m 3 /s) 600 400 200 0 J F M A M J J A S O N D Blythe and and Sch Schmidt (20 (2018 18), Es Escor orcia (20 (2017 17) ) and and Lor Loredo (20 (2018 18)
Water In Infrastructure Venustiano Carranza Amistad Elephant Butte & La Marte R. Gomez Falcon El Cuchillo Boquilla Cochiti Abiquiu Rio Grande/Bravo Basin United States Mexico Sandoval-Solis S.(2011). Integrated Water Resources Management for transboundary basins. Case of Study Rio Grande/Bravo Basin. Dissertation. University of Texas at Austin. Austin, TX.
Modern Hydrology 400 San Marcial, NM Lobatos, CO Presidio, TX Discharge (m 3 /s) 300 200 Flow Regime 100 Natural Regulated 0 J F M A M J J A S O N D 800 600 RGB at the Gulf of Mexico RGB below Falcon Rio Conchos RGB below Amistad RGB below Rio Conchos 400 Discharge (m 3 /s) Discharge (m 3 /s) Discharge (m 3 /s) 600 450 300 200 300 400 100 200 150 0 0 0 J F M A M J J A S O N D Blythe and and Sch Schmidt (20 (2018 18), Es Escor orcia (20 (2017 17) ) and and Lor Loredo (20 (2018 18)
Opportunities: Conju junctive Use of f SW & GW In In Li Lieu GW Banking Flow Regime Natural Regulated GW Banking Rio Conchos Meoqui Aquifer LRGV – BRB Baseline Chicot Aquifer
Opportunities: Environmental Flo lows Big Bend Reach Flow Regime Natural Regulated Big Forgotten Bend Reach J F M A M J J A S O N D Rio Conchos Rio Conchos Salado 120 100 80 60 Mouth of 40 20 the River 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
What’s next? Water Demand • Water conservation • Deficit irrigation & crop Flow Regime management Natural • Environmental flows Regulated • Buy back water right Water Supply • Conjunctive use of SW, GW, Recycle, Desal water • Water Reuse Storage • Reservoir re-operation • Managed Aquifer Recharge No Silver Bullets All of the above
samsandoval@ucdavis.edu http://watermanagement.ucdavis.edu
Water Governance
Opportunities Flow Regime In In Li Lieu GW Banking Natural Regulated
Opportunities Flow Regime In In Li Lieu GW Banking Natural Regulated
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