Study on Synthetic Weather Index Insurance Based on the Optimal Relationship between Weather and Yield
Article No.: 40, Pages 1 - 11
Abstract
Climate change increases the risk of weather-related disaster, and weather index insurance (WII) can effectively divert and disperse meteorological risk. To improve the ability to assess and reduce regional weather risk, this study uses the following information: daily meteorological data from 1957 to 2015, time series data for per-unit area yield of millet from 1980 to 2015, and the results of current and previous studies of meteorological disasters in Wuzhai County, Shanxi Province, to determine the key meteorological disasters that affect millet yield at key growth stages. Considering the comprehensive influence of multiple meteorological disasters, this study compares historical yield losses and main disasters, followed by a construction of synthetic weather indices, such as the rainstorm index P1+, the frost index T4-, and the drought indices P1-, P2, P3-, and P4-. An optimized matching method is introduced to produce the relationship model, using which daily meteorological and yield losses data are continuously matched and optimized. The relationship model is used to quantitatively evaluate the impact of weather indices on millet yield, and an evaluation of the simulation of meteorological risks is carried out. Ultimately, a synthetic WII product for millet is designed, and the premium rate and trigger values are given.
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- Study on Synthetic Weather Index Insurance Based on the Optimal Relationship between Weather and Yield
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Published: 22 October 2019
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CSAE 2019
CSAE 2019: The 3rd International Conference on Computer Science and Application Engineering
October 22 - 24, 2019
Sanya, China
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