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Climate 2018, 6(2), 43; https://doi.org/10.3390/cli6020043

Influence of Decadal Climate Variability on Growing Degree Day, Precipitation, and Drought in Crop-Growing Seasons

World Bank, Bangkok 10330, Thailand
Received: 12 February 2018 / Revised: 8 May 2018 / Accepted: 9 May 2018 / Published: 18 May 2018
(This article belongs to the Special Issue Decadal Variability and Predictability of Climate)
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Abstract

Knowledge on the impact of climate variability on the decadal timescale is important for policy makers and planners in order for them to make decisions in a range of sectors, including agriculture, water resources, energy, and infrastructure. This study estimates the effects of the ocean-related decadal climate variability (DCV) on growing degree day, precipitation, and drought in the crop-growing seasons of major crops in the United States. The empirical results illustrate that DCV phase combinations are associated with variations in growing degree day, precipitation, and drought across the country using county-level data from 1950 to 2015. There are spatially-differentiated effects on the climate of major production areas of corn, soybeans, and wheat. The annual oscillations in growing degree day, precipitation, and drought reach extreme severity in some DCV scenarios. The results would facilitate the adoption of coping mechanisms with the potential to develop climate risk resiliency for agricultural planning and policy. View Full-Text
Keywords: decadal climate variability; growing degree day; precipitation; drought; PDSI decadal climate variability; growing degree day; precipitation; drought; PDSI
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Jithitikulchai, T. Influence of Decadal Climate Variability on Growing Degree Day, Precipitation, and Drought in Crop-Growing Seasons. Climate 2018, 6, 43.

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