RETRACTED ARTICLE: The Ogallala Formation of the Great Plains in Central US and Its Containment of Life-Giving Water

Sophocleous, Marios; Merriam, D. F.

doi:10.1007/s11053-012-9190-4

Cited by 4 publications

(3 citation statements)

References 20 publications

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“…In western Kansas and the panhandles of Oklahoma and Texas, we found highly concentrated expansion hotspots, many of which are indicative of new, center-pivot irrigated fields (supplementary figure S4). Located above the rapidly-depleting Ogallala aquifer, cropland expansion in this region raises substantial concerns about water use and sustainability [34,35].…”

Section: Location and Area Of Cropland Conversions 2008-2012mentioning

confidence: 99%

Cropland expansion outpaces agricultural and biofuel policies in the United States

Lark

Salmon

Gibbs

2015

Environ. Res. Lett.

412

408

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Cultivation of corn and soybeans in the United States reached record high levels following the biofuels boom of the late 2000s. Debate exists about whether the expansion of these crops caused conversion of grasslands and other carbon-rich ecosystems to cropland or instead replaced other crops on existing agricultural land. We tracked crop-specific expansion pathways across the conterminous US and identified the types, amount, and locations of all land converted to and from cropland, 2008-2012. We found that crop expansion resulted in substantial transformation of the landscape, including conversion of long-term unimproved grasslands and land that had not been previously used for agriculture (cropland or pasture) dating back to at least the early 1970s. Corn was the most common crop planted directly on new land, as well as the largest indirect contributor to change through its displacement of other crops. Cropland expansion occurred most rapidly on land that is less suitable for cultivation, raising concerns about adverse environmental and economic costs of conversion. Our results reveal opportunities to increase the efficacy of current federal policy conservation measures by modifying coverage of the 2014 US Farm Bill Sodsaver provision and improving enforcement of the US Renewable Fuels Standard.

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Section: Location and Area Of Cropland Conversions 2008-2012mentioning

confidence: 99%

Cropland expansion outpaces agricultural and biofuel policies in the United States

Lark

Salmon

Gibbs

2015

Environ. Res. Lett.

412

408

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“…Aiken asks ‘if irrigators are forced by higher pumping costs to use improved irrigation, should regulation be established to increase adoption of efficiency,’ the underlying question being whether current economic benefits should be foregone to sustain future economic benefits, while also prolonging the life of groundwater supplies. It was noted that the main reason for overuse of the High Plains Aquifer is that revenue stemming from use exceeds extraction costs . In Chile, the poorest farmers were least likely to adopt water conservation .…”

Section: Synthesismentioning

confidence: 99%

“…It was noted that the main reason for overuse of the High Plains Aquifer is that revenue stemming from use exceeds extraction costs. 115 In Chile, the poorest farmers were least likely to adopt water conservation. 102 There are however accounts of economic loss mitigation through selling of water rights, which increased total net revenue and provided incentives for irrigation efficiency, 116 indicating that economics can also promote, rather than discourage conservation adoption.…”

Section: Economic Barriersmentioning

confidence: 99%

A dual‐continua framework for assessing water use models and the potential for conservation

Czarnecki

Omer

Kröger³

2015

WIREs Water

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Regions vary in their supply of and access to ground and surface waters. These two issues together have substantial influence on the pressures and drivers of water conservation adoption (i.e., necessity vs voluntary adoption). A framework for water use models is proposed where regions are evaluated on two continua, infrastructure (engineered and political) and freshwater supply (physical and usable). Eight illustrative regions are placed into four quadrants based on waterrelated infrastructure and supply. Regions in quadrant I experience both ample water supply and adequate infrastructure to still be operating with conservation as a 'luxury.' Regions falling within quadrants II and IV experience a shortage of either supply (II) or infrastructure (IV) but adequate levels of the opposite factor. Regions falling within quadrant III bear the double burden of limited supply and infrastructure. Shifts in quadrants are examined as a function of movement along infrastructure and supply axes. This study seeks to answer (1) for a region with both ample supply and sufficient access to freshwater, what are the mechanisms by which the situation will degrade; (2) for regions lacking either supply or infrastructure (or both) what are the mechanisms by which the situation can be improved; and (3) how do regions maintain status in preferred quadrants?

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Estimating groundwater recharge in the humid and semi-arid African regions: review

et al. 2016

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RETRACTED ARTICLE: The Ogallala Formation of the Great Plains in Central US and Its Containment of Life-Giving Water

Cited by 4 publications

References 20 publications

Cropland expansion outpaces agricultural and biofuel policies in the United States

Cropland expansion outpaces agricultural and biofuel policies in the United States

A dual‐continua framework for assessing water use models and the potential for conservation

Estimating groundwater recharge in the humid and semi-arid African regions: review

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