Characterizing Spatiotemporal Patterns of Disasters and Climates to Evaluate Hazards to Crop Production in Taiwan

Yuan-Chih Su, Chun-Yi Wu and Bo-Jein Kuo ()
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Yuan-Chih Su: Department of Agronomy, National Chung Hsing University, Taichung City 40227, Taiwan
Chun-Yi Wu: Department of Soil and Water Conservation, National Chung Hsing University, Taichung City 40227, Taiwan
Bo-Jein Kuo: Department of Agronomy, National Chung Hsing University, Taichung City 40227, Taiwan

Agriculture, 2024, vol. 14, issue 8, 1-22

Abstract: Climate change causes frequent and severe disasters. A comprehensive assessment of disaster hazards is thus crucial to understanding variations in disaster patterns and planning mitigation and adaptation strategies. This study obtained information from a crop disaster dataset of Taiwan covering the period from 2003 to 2022. Additionally, principal component analysis and K-means clustering were used to create climate clusters to evaluate the effect of climate patterns on disaster hazards. The results revealed that tropical storm frequency substantially decreased, whereas rain disasters exhibited an increasing trend. The four regions of Taiwan exhibited variations in terms of hazards of various disasters. The cold wave hazard showed a significant upward trend in the central region. An upward trend of rain disaster hazards was only detected in the southern region. However, a downward trend in tropical storm hazards was detected across all regions. A distinct climate pattern was identified over the study period. After 2012, high temperature and dry climate were the primary climate patterns. These patterns exhibited a high hazard value for cold waves, droughts, and rain disasters. Hence, the present study’s findings indicate that managing cold waves and rain disasters is crucial to protecting crop production in Taiwan.

Keywords: climate change; disaster; extreme weather; hazard assessment; crop production (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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