Spatio-temporal impacts of typhoon events on agriculture: Economic losses and flood control construction

Abstract

Agricultural production has high correlations with natural hazards and water resource dynamic. Extreme rainfall brought by typhoons has a profound impact on agriculture in Taiwan. How typhoons impact agricultural activities and outputs is lacking research, especially in coastal regions such as Taiwan. In this report, the impacts of typhoon on agricultural loss from 2006 to 2019 in Taiwan was measured and called attention to the role of flood control construction in sustaining agricultural activities. With the help of Data Envelopment Analysis and geographical mapping, it is found that there are spatial differences in agricultural losses caused by typhoons. The main results indicate that the efficiency scores bring a inverse U-shape trend from the year 2007 (efficiency .718) to 2019 (efficiency .708). Looking further, Tainan City, Yunlin City, Chiayi County and other plain areas are vulnerable to hazards because the efficiency scores in these counties all below than 70%. However, some areas with prominent flood control construction showed a trend of agricultural damage reduction. This paper suggests that scholars should collect relevant data in the future and pay attention to the macro relationship between regional flood control construction and agricultural damage.

Evaluating Indirect Economic Losses from Flooding Using Input–Output Analysis: An Application to China’s Jiangxi Province

“…With reference to the formulation of Equation ( 18), the first item on the right-hand side of Equation (20) indicates the effect of changes in distribution structure, and the latter indicates the effect of value-added changes.…”

“…Compared with any other industry, agricultural production is much more affected by the environment and climate [20]. Extreme changes in rainfall patterns have serious impacts on crop production [21].…”

“…Human capital, physical capital, natural capital, financial capital, and social capital are crucial reserves for rural affected households to better cope with and adapt to floods, because these households are exposed to increasing floods risks [25]. In addition, strengthening the construction of flood control facilities, for example, the installation of storage and drainage equipment, is beneficial to making agricultural activities more sustainable [20].…”

Analysis of the Fruit Drop Rate Caused by Typhoons Using Meteorological Data

“…The model accurately estimates the expected losses by incorporating factors such as the maximum daily rainfall, the maximum central wind speed, the lowest central pressure, the radius of class-seven winds, and the typhoonaffected period. The impact of typhoons on agricultural losses in Taiwan from 2006 to 2019 has also been investigated, including the role of flood protection infrastructure [6]. The occurrence of natural disasters was found to have a high correlation with agricultural production.…”