[1]王紫薇,蔡红艳,陈慕琳,等.“一带一路”地区百余年地震时空演变特征[J].自然灾害学报,2021,30(01):141-154.[doi:10.13577/j.jnd.2021.0115]
　WANG Ziwei,CAI Hongyan,CHEN Mulin,et al.Spatio-temporal evolution characteristics of earthquake in “the Belt and Road” for over 100 years[J].,2021,30(01):141-154.[doi:10.13577/j.jnd.2021.0115]
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“一带一路”地区百余年地震时空演变特征
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
30
期数:
2021年01期
页码:
141-154
栏目:
出版日期:
2021-02-28

文章信息/Info

Title:
Spatio-temporal evolution characteristics of earthquake in “the Belt and Road” for over 100 years
作者:
王紫薇1; 2;  蔡红艳1;  陈慕琳1; 2;  杨小唤1; 2;  肖作林3
1. 中国科学院地理科学与资源研究所 资源与环境信息系统国家重点实验室, 北京 100101;
2. 中国科学院大学资源与环境学院, 北京 100049;
3. 重庆师范大学 地理信息系统应用研究重庆高校市级重点实验室, 重庆 401331
Author(s):
WANG Ziwei1; 2;  CAI Hongyan1;  CHEN Mulin1; 2;  YANG Xiaohuan1; 2;  XIAO Zuolin3
1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
2. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China;
3. The Key Laboratory of GIS Application Research, Chongqing Normal University, Chongqing 401331, China
关键词:
一带一路; 地震; 小波分析; 热区识别; 时空分布
Keywords:
the Belt and Road; earthquake; wavelet analysis; hotspots identification; temporal and spatial distribution
分类号:
P954；X43；X9
DOI:
10.13577/j.jnd.2021.0115
摘要:
本研究基于"一带一路"地区1900-2018年间≥ 5级地震事件空间数据，采用小波周期与热区识别方法，分析了该地区地震灾害的空间分布格局与时间周期性特征，并识别了地震灾害空间热区及其演变特征。研究表明：（1）1900-2018年，"一带一路"地区地震发生频次表现出波动性上升的"三段式"分布，主要发生在亚欧大陆-喜马拉雅山周围的亚欧板块与印度洋板块的交界处以及俄罗斯东部沿海、印度尼西亚东南部的环太平洋地区；（2）地震频发地区和震级较强地区均具有多时间尺度的周期变化特征，及一定的空间聚集性，并逐渐演变成高发热区和高强热区；（3）中国和印度尼西亚发生频率远高于其他国家，而缅甸、孟加拉、马尔代夫等国发生频次较低，但其震级强度相对较大。研究结果提示我们未来针对"一带一路"地区基础设施的投资应适当规避地震频发地区及未来潜在的高强热区，同时加强国际间减灾防灾合作，从而更好的降低或预防"一带一路"地区基础设施建设的地震灾害风险。
Abstract:
Based on the long term earthquake records (magnitude≥ 5), this study analyzed the spatial distribution pattern and temporal periodicity characteristics of earthquake and identified the spatial hotspots and their evolution characteristics in "the Belt and Road" from 1900 to 2018. The wavelet period and hotspots identification methods were used in this study. The results showed that: (1) The frequency of earthquake over time in "the Belt and Road" showed a "three-segment" characterization during 1900-2018. From the spatial distribution, earthquakes occurred mainly in the junction of Eurasian plate and India Ocean plate around the Eurasian Continental Himalaya Range, as well as the eastern rim of Russia and the Pacific rim of southeastern Indonesia. (2) The regions with high frequent and high magnitude of earthquakes both have the characteristics of multi-time-scale periodic variation and spatial aggregation, and gradually evolve into the hotspots of frequency or intensity. (3) The earthquake frequency in China and Indonesia is much higher than that in other countries, while in Burma, Bangladesh, Maldives and other countries, the frequency of earthquakes is relatively low, but its magnitude is relatively large. The results suggest that the investment of infrastructure in "the Belt and Road" should avoid the areas of earthquake prone and the hotspots of potential high magnitude in future. At the same time, we should strengthen international cooperation in disaster prevention and mitigation. So as to better reduce or prevent the earthquake disaster risk of infrastructure construction in "the Belt and Road".

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备注/Memo

备注/Memo:
收稿日期:2020-03-24;改回日期:2020-07-16。
基金项目:国家重点研发计划课题（2017YFC0503803）；中国科学院战略性先导科技专项子课题（XDA20010203）；国家自然科学基金（41771460）；重庆市教委人文社科重点项目（17SKG028）
作者简介:王紫薇(1997-),女,硕士研究生,主要从事地理信息系统技术与应用研究.E-mail:Wang97zoey@126.com
通讯作者:蔡红艳(1983-),女,副研究员,博士,主要从事人地关系遥感与时空分析研究.E-mail:caihy@igsnrr.ac.cn
更新日期/Last Update: 1900-01-01