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    Opportunities for Restoring Environmental Flows in the Rio Grande–Rio Bravo Basin Spanning the US–Mexico Border

    Source: Journal of Water Resources Planning and Management:;2024:;Volume ( 150 ):;issue: 002::page 04023079-1
    Author:
    Brian D. Richter
    ,
    Enrique Prunes
    ,
    Ning Liu
    ,
    Peter Caldwell
    ,
    Dongyang Wei
    ,
    Kyle Frankel Davis
    ,
    Samuel Sandoval-Solis
    ,
    Gabriela Rendon Herrera
    ,
    Ramon Saiz Rodriguez
    ,
    Yufei Ao
    ,
    Gambhir Lamsal
    ,
    Maria Amaya
    ,
    Natalie Shahbol
    ,
    Landon Marston
    DOI: 10.1061/JWRMD5.WRENG-6278
    Publisher: ASCE
    Abstract: The Rio Grande–Rio Bravo’s flow regime has been highly altered for more than 130 years, yet the river ecosystem still supports important biodiversity including numerous endangered species. More than 80% of water consumed in the basin goes to irrigating farms, but in recent decades, farmers have repeatedly experienced severe water shortages. Given this water-scarce condition, any plans for enhancing environmental flows must be carefully designed to minimize impacts or provide benefits to agriculture. This study describes the development of the Rio Grande–Rio Bravo’s first whole-basin hydrologic model—representing both the United States and Mexico portions of the basin—to enable exploration of environmental flow restoration needs and options for meeting these needs. We then demonstrate an analytical process in which environmental flow needs are compared to existing flow conditions to quantify gaps, and then evaluate how those gaps can be filled by reducing farm irrigation needs by shifting to less water-intensive crops and fallowing a portion of existing farmland while maintaining or improving net revenues. In our pilot assessment we find that an improvement of 2.2  m3/s would fill the environmental flow gap for late-summer low-flow conditions at Albuquerque, New Mexico. This flow enhancement is attainable by fallowing 18%–26% of cropland and shifting to more profitable and less water-intensive crops to sustain overall farm revenues.
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      Opportunities for Restoring Environmental Flows in the Rio Grande–Rio Bravo Basin Spanning the US–Mexico Border

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4296998
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    • Journal of Water Resources Planning and Management

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    contributor authorBrian D. Richter
    contributor authorEnrique Prunes
    contributor authorNing Liu
    contributor authorPeter Caldwell
    contributor authorDongyang Wei
    contributor authorKyle Frankel Davis
    contributor authorSamuel Sandoval-Solis
    contributor authorGabriela Rendon Herrera
    contributor authorRamon Saiz Rodriguez
    contributor authorYufei Ao
    contributor authorGambhir Lamsal
    contributor authorMaria Amaya
    contributor authorNatalie Shahbol
    contributor authorLandon Marston
    date accessioned2024-04-27T22:35:01Z
    date available2024-04-27T22:35:01Z
    date issued2024/02/01
    identifier other10.1061-JWRMD5.WRENG-6278.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4296998
    description abstractThe Rio Grande–Rio Bravo’s flow regime has been highly altered for more than 130 years, yet the river ecosystem still supports important biodiversity including numerous endangered species. More than 80% of water consumed in the basin goes to irrigating farms, but in recent decades, farmers have repeatedly experienced severe water shortages. Given this water-scarce condition, any plans for enhancing environmental flows must be carefully designed to minimize impacts or provide benefits to agriculture. This study describes the development of the Rio Grande–Rio Bravo’s first whole-basin hydrologic model—representing both the United States and Mexico portions of the basin—to enable exploration of environmental flow restoration needs and options for meeting these needs. We then demonstrate an analytical process in which environmental flow needs are compared to existing flow conditions to quantify gaps, and then evaluate how those gaps can be filled by reducing farm irrigation needs by shifting to less water-intensive crops and fallowing a portion of existing farmland while maintaining or improving net revenues. In our pilot assessment we find that an improvement of 2.2  m3/s would fill the environmental flow gap for late-summer low-flow conditions at Albuquerque, New Mexico. This flow enhancement is attainable by fallowing 18%–26% of cropland and shifting to more profitable and less water-intensive crops to sustain overall farm revenues.
    publisherASCE
    titleOpportunities for Restoring Environmental Flows in the Rio Grande–Rio Bravo Basin Spanning the US–Mexico Border
    typeJournal Article
    journal volume150
    journal issue2
    journal titleJournal of Water Resources Planning and Management
    identifier doi10.1061/JWRMD5.WRENG-6278
    journal fristpage04023079-1
    journal lastpage04023079-11
    page11
    treeJournal of Water Resources Planning and Management:;2024:;Volume ( 150 ):;issue: 002
    contenttypeFulltext
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