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Climate change reduces frost exposure for high-value California orchard crops by Lauren Parker; Tapan Pathak; Steven Ostoja is a Environmental Science article available to read on EtoBox.

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Frost exposure is a particular challenge for cultivating perennial crops, whose adaptive capacity to weather and climate impacts is limited. Irrigation is a common means of mitigating damage, but draws on limited water resources, is costly, and energy intensive. Here we examined the projected impact of climate change on the incidence of frost temperatures during the coldest winters, defined by the 98th percentile of cool season (November-April) frost hours, under both early- and mid-21st century time periods, as compared to contemporary conditions, across a range of threshold temperatures. We focused on three high-value perennial orchard crops - almonds, avocados, and oranges - to assess the effects of climate change on the incidence of temperatures below crop-specific threshold temperatures and for crop-specific critical development phases, and what these temporal changes in frost exposure may mean for the water and energy requirements for mitigating damages. Across time periods and temperature thresholds, frost exposure declines in California's agricultural regions, with an average of reduction in frost exposure of 63% by the mid-21st century. The majority of almond and orange ac

Who reads Climate change reduces frost exposure for high-value California orchard crops?

Author

Lauren Parker; Tapan Pathak; Steven Ostoja

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)