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Effects of climate change on spatiotemporal patterns of tropical cyclone tracks and their implications for coastal agriculture in Myanmar
Paddy and Water Environment ( IF 2.2 ) Pub Date : 2021-02-04 , DOI: 10.1007/s10333-021-00842-x
Akira Hirano

Important aspects for understanding the effects of climate change on tropical cyclones (TCs) are the frequency of TCs and their tracking patterns. Coastal areas are increasingly threatened by rising sea levels and associated storm surges brought on by TCs. Rice production in Myanmar relies strongly on low-lying coastal areas. This study aims to provide insights into the effects of global warming on TCs and the implications for sustainable development in vulnerable coastal areas in Myanmar. Using TC records from the International Best Track Archive for Climate Stewardship dataset during the 30-year period from 1983 to 2012, a hot spot analysis based on Getis-Ord (Gi*) statistics was conducted to identify the spatiotemporal patterns of TC tracks along the coast of Myanmar. The results revealed notable changes in some areas along the central to southern coasts during the study period. These included a considerable increase in TC tracks (p value < 0.01) near the Ayeyarwady Delta coast, otherwise known as “the rice bowl” of the nation. This finding aligns with trends in published studies and reinforced the observed trends with spatial statistics. With the intensification of TCs due to global warming, such a significant increase in TC experiences near the major rice-producing coastal region raises concerns about future agricultural sustainability.



中文翻译:

气候变化对热带气旋路径时空格局的影响及其对缅甸沿海农业的影响

理解气候变化对热带气旋(TC)的影响的重要方面是TC的频率及其追踪模式。沿海地区日益受到海平面上升以及TC带来的相关风暴潮的威胁。缅甸的稻米生产高度依赖低洼的沿海地区。这项研究旨在深入了解全球变暖对TC的影响以及对缅甸脆弱沿海地区的可持续发展的影响。利用1983年至2012年这30年间国际气候管理最佳径迹数据集的TC记录,进行了基于Getis-Ord(Gi *)统计数据的热点分析,以识别沿该区的TC径迹的时空格局。缅甸海岸。结果表明,在研究期间,中部至南部沿海的某些地区发生了显着变化。其中包括TC曲目的大量增加(p值<0.01)在伊洛瓦底江三角洲海岸附近,也被称为国家的“饭碗”。这一发现与已发表研究的趋势相吻合,并通过空间统计来加强观察到的趋势。随着全球变暖导致TC的增加,主要产稻沿海地区附近TC经验的显着增加引起了人们对未来农业可持续性的担忧。

更新日期:2021-02-05
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