Documentation of methods and inventory of irrigation data collected for the 2000 and 2005 U.S. Geological Survey Estimated use of water in the United States, comparison of USGS-compiled irrigation data to other sources, and recommendations for future compilations

Dickens, Jade M.; Forbes, Brandon T.; Cobean, Dylan S.; Tadayon, Saeid

doi:10.3133/sir20115166

Cited by 13 publications

(19 citation statements)

References 9 publications

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“…We convert studies that present crop water withdrawals to consumptive water use values for comparison. We convert withdrawals presented by Maupin et al () and applied water given by USDA () to consumptive values using irrigation efficiencies suggested by USDA and USGS (Dickens et al, ; Howell, ). Coefficients suggested by FAO (Brouwer et al, ) were used to account for conveyance losses.…”

Section: Resultsmentioning

confidence: 99%

High‐Resolution Water Footprints of Production of the United States

Marston

Konar

et al. 2018

Water Resources Research

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The United States is the largest producer of goods and services in the world. Rainfall, surface water supplies, and groundwater aquifers represent a fundamental input to economic production. Despite the importance of water resources to economic activity, we do not have consistent information on water use for specific locations and economic sectors. A national, spatially detailed database of water use by sector would provide insight into U.S. utilization and dependence on water resources for economic production. To this end, we calculate the water footprint of over 500 food, energy, mining, services, and manufacturing industries and goods produced in the United States. To do this, we employ a data intensive approach that integrates water footprint and input‐output techniques into a novel methodological framework. This approach enables us to present the most detailed and comprehensive water footprint analysis of any country to date. This study broadly contributes to our understanding of water in the U.S. economy, enables supply chain managers to assess direct and indirect water dependencies, and provides opportunities to reduce water use through benchmarking. In fact, we find that 94% of U.S. industries could reduce their total water footprint more by sourcing from more water‐efficient suppliers in their supply chain than they could by converting their own operations to be more water‐efficient.

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Section: Resultsmentioning

confidence: 99%

High‐Resolution Water Footprints of Production of the United States

Marston

Konar

et al. 2018

Water Resources Research

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“…Because water withdrawal data were not disaggregated by crop or by sector, we assumed that all crops within a county had the same ratio of surface:groundwater withdrawal and the same fractions of sprinkler-, micro-and surface (flood)-irrigated area. The HUC8-level irrigated areas-m spr,h (sprinkler), m mic,h (micro) and m flo,h (surface (flood))-for each irrigation method were calculated; for example: where the values of 0.8, 0.9 and 0.7 represent the average irrigation efficiencies for sprinkler, micro and surface (flood) irrigation, respectively 48 . As these efficiency estimates do not take into account efficiency (for example, non-productive losses of irrigation water in unlined canals), our estimates of freshwater withdrawals for crop irrigation are conservative.…”

Section: Methodsmentioning

confidence: 99%

Water scarcity and fish imperilment driven by beef production

Bartak²,

et al. 2020

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Human consumption of freshwater is now approaching or surpassing the rate at which water sources are being naturally replenished in many regions, creating water shortage risks for people and ecosystems. Here we assess the impact of human water uses and their connection to water scarcity and ecological damage across the United States, identify primary causes of river dewatering and explore ways to ameliorate them. We find irrigation of cattle-feed crops to be the greatest consumer of river water in the western United States, implicating beef and dairy consumption as the leading driver of water shortages and fish imperilment in the region. We assess opportunities for alleviating water scarcity by reducing cattle-feed production, finding that temporary, rotational fallowing of irrigated feed crops can markedly reduce water shortage risks and improve ecological sustainability. Long-term water security and river ecosystem health will ultimately require Americans to consume less beef that depends on irrigated feed crops.

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“…Residents of the Verde Valley use a combination of groundwater and surface water to meet their water demands (Blasch and others, 2006). Groundwater generally has been the source of water for domestic and municipal water uses since 1940 (Tadayon, 2005; also see the "Northern Arizona Regional Groundwater Flow Model" section). Residents in outlying areas commonly rely on private wells or community water suppliers as their source of domestic water.…”

Section: Human Development Of Water Resourcesmentioning

confidence: 99%

Human effects on the hydrologic system of the Verde Valley, central Arizona, 1910–2005 and 2005–2110, using a regional groundwater flow model

Garner¹,

Pool²,

Tillman³

et al. 2013

Scientific Investigations Report

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Water budgets were developed for the Verde Valley of central Arizona in order to evaluate the degree to which human stresses have affected the hydrologic system and might affect it in the future. The Verde Valley is a portion of central Arizona wherein concerns have been raised about water availability, particularly perennial base flow of the Verde River. The Northern Arizona Regional Groundwater Flow Model (NARGFM) was used to generate the water budgets and was run in several configurations for the 1910-2005 and 2005-2110 time periods. The resultant water budgets were subtracted from one another in order to quantify the relative changes that were attributable solely to human stresses; human stresses included groundwater withdrawals and incidental and artificial recharge but did not include, for example, human effects on the global climate. Three hypothetical and varied conditions of human stresses were developed and applied to the model for the 2005-2110 period. On the basis of this analysis, human stresses during 1910-2005 were found to have already affected the hydrologic system of the Verde Valley, and human stresses will continue to affect the hydrologic system during 2005-2110. Riparian evapotranspiration decreased and underflow into the Verde Valley increased because of human stresses, and net groundwater discharge to the Verde River in the Verde Valley decreased for the 1910-2005 model runs. The model also showed that base flow at the upstream end of the study area, as of 2005, was about 4,900 acre-feet per year less than it would have been in the absence of human stresses. At the downstream end of the Verde Valley, base flow had been reduced by about 10,000 acre-feet per year by the year 2005 because of human stresses. For the 2005-2110 period, the model showed that base flow at the downstream end of the Verde Valley may decrease by an additional 5,400 to 8,600 acre-feet per year because of past, ongoing, and hypothetical future human stresses. The process known as capture (or streamflow depletion caused by the pumping of groundwater) was the reason for these human-stress-induced changes in waterbudget components. AGUA FRIA SUBBASIN Figure 1. Map showing the location of the Verde River watershed and Verde Valley, central Arizona.

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Documentation of methods and inventory of irrigation data collected for the 2000 and 2005 U.S. Geological Survey Estimated use of water in the United States, comparison of USGS-compiled irrigation data to other sources, and recommendations for future compilations

Cited by 13 publications

References 9 publications

High‐Resolution Water Footprints of Production of the United States

High‐Resolution Water Footprints of Production of the United States

Water scarcity and fish imperilment driven by beef production

Human effects on the hydrologic system of the Verde Valley, central Arizona, 1910–2005 and 2005–2110, using a regional groundwater flow model

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