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Tapping unsustainable groundwater stores for agricultural production in the High Plains Aquifer of Kansas, projections to 2110

Identifieur interne : 000262 ( Main/Curation ); précédent : 000261; suivant : 000263

Tapping unsustainable groundwater stores for agricultural production in the High Plains Aquifer of Kansas, projections to 2110

Auteurs : David R. Steward ; Paul J. Bruss ; Xiaoying Yang [République populaire de Chine] ; Scott A. Staggenborg ; Stephen M. Welch ; Michael D. Apley

Source :

RBID : PMC:3773770

Abstract

Significance

Society faces the multifaceted crossroads dilemma of sustainably balancing today’s livelihood with future resource needs. Currently, agriculture is tapping the High Plains Aquifer beyond natural replenishment rates to grow irrigated crops and livestock that augment global food stocks, and science-based information is needed to guide choices. We present new methods to project trends in groundwater pumping and irrigated corn and cattle production. Although production declines are inevitable, scenario analysis substantiates the impacts of increasing near-term water savings, which would extend the usable lifetime of the aquifer, increase net production, and generate a less dramatic production decline.


Url:
DOI: 10.1073/pnas.1220351110
PubMed: 23980153
PubMed Central: 3773770

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PMC:3773770

Le document en format XML

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, Manhattan,
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, Manhattan,
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, Shanghai 200433,
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