MARINE GEO-HAZARDS IN THE COASTAL AND OFFSHORE AREA OF SOUTHERN SHANDONG PENINSULA
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摘要: 随着人类开发利用海洋的深入发展,世界各海洋国家都在实施新的海洋战略。作为自然灾害之一的海洋地质灾害,越来越受到人们的重视。根据2009年在山东半岛南部滨浅海区实测的3 000 km的高分辨率浅地层剖面资料,识别出研究区主要潜在的海洋地质灾害因素,着重探讨了浅埋不规则基岩面、埋藏古河道、浅层气、浅层断层等灾害地质的埋藏特征和分布范围,编制了研究区灾害地质分布图,并分析了这些灾害地质的形成机制及危害性,该研究可为海洋资源开发及海洋工程建设提供科学依据。Abstract: With the development of ocean exploration and utilization,the ocean countries are struggling for implementation of new ocean strategies. As one of the natural disasters,marine geologic hazards have raised great attention recently from governments and the public. Based on the approximately 3 000 km of high resolution shallow seismic profiles,recently acquired from the coastal and offshore area of southern Shandong Peninsula,this paper deals with the main potential marine hazardous geological factors with special emphasis on the distribution,formation, risk and burial characteritics of some of the factors,such as irregular bedrock,burial paleo-channel,shallow gas and fault. Meanwhile,the geohazard map of the study area has been completed. The scientific information incurred could be used for marine resource exploitation and engineering construction.
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Key words:
- bedrock /
- paleo-channel /
- the geohazard map /
- the Shandong Peninsula
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