Energy and water resources scarcity: Critical infrastructure for growth and economic development in Arizona and Sonora

Christopher A Scott, Martin J. Pasqualetti

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Climate change, rapid urbanization, and the emerging carbon economy, among other factors, have elevated the energy-water nexus from an operational tool to a new joint-resource management and policy paradigm. Nowhere in North America, and in few regions globally, is this need greater than in the Southwest United States and Northwest Mexico. In the states of Arizona and Sonora, investment is inadequate to meet energy and water infrastructure needs. On par with critical infrastructure in economic development terms, agriculture is likewise energy-intensive and currently consumes the largest share of water resources in both states. The important gains to be made through coupled energy- and water-based conservation, including the potential of certain types of renewable energy development to reduce water requirements for electricity generation, raise questions over conventional plans to rapidly increase investments in infrastructure. The purpose of this paper is to assess the region's energy-water nexus through analysis of data on water supply, electrical power generation, and energy consumption. Four cases are examined to illustrate the coupled nature of policies for energy and water: (1) rapidly growing urban centers; (2) water consumed in power generation and the "virtual water" implications of regional interstate power trade; (3) the irrigation-electrical power nexus in agriculture; and (4) coastal desalination and proposed trans-boundary transfer schemes. The paper concludes that conventional water management for cities has a large and rising energy footprint. Conversely, power generation that is often considered "non-consumptive" in this arid region is a major consumer of water. Similarly, there is a major opportunity for energy and water conservation in groundwater irrigation. Finally, desalination may hold promise, particularly for coastal communities, but current costs and institutional barriers suggest that transboundary transfer of desalinated water for general purposes, including environmental conservation and agriculture, has low feasibility.

Original languageEnglish (US)
Pages (from-to)645-682
Number of pages38
JournalNatural Resources Journal
Volume50
Issue number3
StatePublished - 2010

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resource scarcity
energy resource
economic development
water resource
infrastructure
energy
water
resources
economics
power generation
electrical power
agriculture
conservation
desalination
irrigation
water management
electricity generation
energy conservation
arid region
footprint

ASJC Scopus subject areas

  • Law
  • Environmental Science (miscellaneous)

Cite this

Energy and water resources scarcity : Critical infrastructure for growth and economic development in Arizona and Sonora. / Scott, Christopher A; Pasqualetti, Martin J.

In: Natural Resources Journal, Vol. 50, No. 3, 2010, p. 645-682.

Research output: Contribution to journalArticle

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