Reservoir operation and water allocation to mitigate drought effects in crops: A multilevel optimization using the drought frequency index

Julio Cañón, Javier González, Juan B Valdes

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The drought frequency index (DFI) is employed in this study as a drought indicator and as a trigger mechanism for multireservoir system operations during drought. The DFI characterizes droughts according to their duration and intensity, using a probabilistic criterion that takes into account the persistence of extreme low precipitation values. Performances with and without the DFI are evaluated, using reliability and resilience indices, for the Conchos river basin-a tributary of the Rio Grande/Bravo basin between United States and Mexico-through a multilevel nonlinear optimization procedure oriented to reduce water deficits to the United States and maximize net benefits for farmers in Mexican irrigation districts. Results show that the inclusion of the DFI improves the reliability of both reservoirs and water deliveries to users during periods of drought, which reflects an overall improvement of net benefits associated with crop production in Mexican irrigation districts.

Original languageEnglish (US)
Pages (from-to)458-465
Number of pages8
JournalJournal of Water Resources Planning and Management
Volume135
Issue number6
DOIs
StatePublished - 2009

Fingerprint

Drought
drought
Crops
water
crop
Water
irrigation
Irrigation
multireservoir system
district
trigger mechanism
allocation
index
effect
Precipitation (meteorology)
crop production
Catchments
resilience
persistence
tributary

Keywords

  • Agriculture
  • Crops
  • Droughts
  • Irrigation
  • Mexico
  • Optimization
  • Reservoir operation
  • United States

ASJC Scopus subject areas

  • Water Science and Technology
  • Civil and Structural Engineering
  • Management, Monitoring, Policy and Law
  • Geography, Planning and Development

Cite this

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abstract = "The drought frequency index (DFI) is employed in this study as a drought indicator and as a trigger mechanism for multireservoir system operations during drought. The DFI characterizes droughts according to their duration and intensity, using a probabilistic criterion that takes into account the persistence of extreme low precipitation values. Performances with and without the DFI are evaluated, using reliability and resilience indices, for the Conchos river basin-a tributary of the Rio Grande/Bravo basin between United States and Mexico-through a multilevel nonlinear optimization procedure oriented to reduce water deficits to the United States and maximize net benefits for farmers in Mexican irrigation districts. Results show that the inclusion of the DFI improves the reliability of both reservoirs and water deliveries to users during periods of drought, which reflects an overall improvement of net benefits associated with crop production in Mexican irrigation districts.",
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T1 - Reservoir operation and water allocation to mitigate drought effects in crops

T2 - A multilevel optimization using the drought frequency index

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AU - González, Javier

AU - Valdes, Juan B

PY - 2009

Y1 - 2009

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