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Research Article

Which farms drill during drought? The influence of farm size and crop type

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Pages 262-282 | Received 25 Aug 2020, Accepted 06 Jan 2021, Published online: 17 Feb 2021
 

ABSTRACT

Excessive groundwater extraction is exacerbated by worsening droughts under climate change. Among agricultural users, well-drilling activity is not evenly distributed. The number, diameter and depth of new agricultural wells were analysed in this study in relation to farm size and land cover class during California’s 2012–16 extreme drought. The results show smaller farms drilled at higher rates, whereas larger farms drilled at comparatively greater depths and with wider wellbores. Sections dominated by permanent crops drilled at 2.4 times the rate of those dominated by annual crops, and at 24.7 times the rate of forest and rangeland dominated sections.

Disclosure statement

No potential conflict of interest was reported by the authors.

Supplementary material

Supplemental data for this article can be accessed at https://doi.org/10.1080/07900627.2021.1874889.

Additional information

Funding

This work was supported in part by the Gliessman Research Fellowship in Water Resources & Food System Sustainability.

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