U.S. winter wheat yield loss attributed to compound hot-dry-windy events

Haidong Zhao, Lina Zhang, M. B. Kirkham, Stephen M. Welch, John W. Nielsen-Gammon, Guihua Bai, Jiebo Luo, Daniel A. Andresen, Charles W. Rice, Nenghan Wan, Romulo P. Lollato, Dianfeng Zheng, Prasanna H. Gowda and Xiaomao Lin ()
Additional contact information
Haidong Zhao: Kansas State University
Lina Zhang: Kansas State University
M. B. Kirkham: Kansas State University
Stephen M. Welch: Kansas State University
John W. Nielsen-Gammon: Texas A&M University
Guihua Bai: USDA–ARS, Kansas State University
Jiebo Luo: University of Rochester
Daniel A. Andresen: Kansas State University
Charles W. Rice: Kansas State University
Nenghan Wan: Kansas State University
Romulo P. Lollato: Kansas State University
Dianfeng Zheng: Guangdong Ocean University, Zhanjiang
Prasanna H. Gowda: USDA, Agricultural Research Service, Southeast Area
Xiaomao Lin: Kansas State University

Nature Communications, 2022, vol. 13, issue 1, 1-9

Abstract: Abstract Climate extremes cause significant winter wheat yield loss and can cause much greater impacts than single extremes in isolation when multiple extremes occur simultaneously. Here we show that compound hot-dry-windy events (HDW) significantly increased in the U.S. Great Plains from 1982 to 2020. These HDW events were the most impactful drivers for wheat yield loss, accounting for a 4% yield reduction per 10 h of HDW during heading to maturity. Current HDW trends are associated with yield reduction rates of up to 0.09 t ha−1 per decade and HDW variations are atmospheric-bridged with the Pacific Decadal Oscillation. We quantify the “yield shock”, which is spatially distributed, with the losses in severely HDW-affected areas, presumably the same areas affected by the Dust Bowl of the 1930s. Our findings indicate that compound HDW, which traditional risk assessments overlooked, have significant implications for the U.S. winter wheat production and beyond.

Date: 2022
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DOI: 10.1038/s41467-022-34947-6

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