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XIAOGuo-qiang~(, . Status of geological disaster in the representative areas around the Circum-Bohai-Sea region and thinking of establishment of geologic disaster warning system[J]. Hydrogeology & Engineering Geology, 2009, 36(4): 121-125.
Citation: XIAOGuo-qiang~(, . Status of geological disaster in the representative areas around the Circum-Bohai-Sea region and thinking of establishment of geologic disaster warning system[J]. Hydrogeology & Engineering Geology, 2009, 36(4): 121-125.

Status of geological disaster in the representative areas around the Circum-Bohai-Sea region and thinking of establishment of geologic disaster warning system

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  • Circum-Bohai-Sea is the main regional economy cycle with an important strategic station in China,and also is one of the regions with shortage of fresh water resources and with vulnerable geological environment in the coastal area.The geological disasters caused by unsuitable groundwater exploitation during the long-term development have become more and more serious,such as land subsidence and seawater intrusion.Based on the analysis of geological and hydrogeological conditions in the region and the new data of investigation of groundwater and the main geological disasters,the status of the main geological disasters have been delineated.The area with more than 1m of accumulative land subsidence is up to(5 227km~2) with the area of seawater/salinity intrusion reaching(2 674km~2) in the study area.On the basis of the characteristics of monitoring stations and the data,the cause and regulation of the disasters have been analyzed,and some corresponding countermeasures have been put forward.Finally,the constitution of geological disasters warning system has been set forth,which can provide decision-making reference for society-economy development and environment protection.
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