Water stress & water salience: implications for water supply planning

Margaret Garcia, Shafiqul Islam

Research output: Contribution to journalArticlepeer-review

Abstract

Water stress prompts a durable reduction in water demand under some circumstances. This demand reduction has the potential to alter the benefits and costs of demand- and supply-side alternatives in water supply planning. This paper takes a socio-hydrological approach to assess the implications of this feedback, in the context of Las Vegas, Nevada. This application demonstrates feasibility first by developing and testing a novel model of water salience as a function of proximity to water supply thresholds, and then linking modules to account for feedback between subsystems. Lastly, by comparing this model to a water use scenario model to assess system performance under a range of future conditions and potential responses, this work illustrates the trade-offs between scenarios and the socio-hydrological approach. This model, while specific to Las Vegas, demonstrates a prototypical modeling framework capable of examining water supply–demand interactions by incorporating water stress-driven conservation.

Original languageEnglish (US)
Pages (from-to)919-934
Number of pages16
JournalHydrological Sciences Journal
Volume66
Issue number6
DOIs
StatePublished - 2021
Externally publishedYes

Keywords

  • demand management
  • planning
  • socio-hydrology
  • systems analysis
  • water supply

ASJC Scopus subject areas

  • Water Science and Technology

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