TAILIEUCHUNG - Báo cáo " Study on geotechnical characteristics of Holocene soils with reference to geohazards in Kien An - Do Son, Hai Phong coastal zone"

In recent years, after renovation policy launched by the Vietnamese government, the economy of Kien An - Do Son, Hai Phong coastal zone in the Northern Vietnam has quickly changed with high income and fast economical grow rate. With the economical development, the environment in many areas has been severely damaged. In addition, the so called "global change" has also strengthened the natural hazards especially torpedo, storms surges, salt intrusion due to the sea level change. increasing of the losses caused by natural hazards in this very sensitive zone. Based on the results obtained in site recent investigation some main. | VNU Journal of Science Earth Sciences 25 2009 20-31 Study on geotechnical characteristics of Holocene soils with reference to geohazards in Kien An - Do Son Hai Phong coastal zone Dang Van Luyen College of Science VNU Received 5 January 2009 received in revised form 20 January 2009 Abstract. In recent years after renovation policy launched by the Vietnamese government the economy of Kien An - Do Son Hai Phong coastal zone in the Northern Vietnam has quickly changed with high income and fast economical grow rate with the economical development the environment in many areas has been severely damaged. In addition the so called global change has also strengthened the natural hazards especially torpedo storms surges salt intrusion due to the sea level change. increasing of the losses caused by natural hazards in this very sensitive zone. Based on the results obtained in site recent investigation some main geological hazards were recorded and studied in detail such as flooding coastline and river bank erosion. The results of vulnerability assessment in this study will help in proposing suitable remedial measures for hazards prevention and also will help in realizing effectively the implementation of the socioeconomic plans for the sustainable development of this very sensitive coastal zone. 1. Introduction Kien An - Do Son region is located in the Southwest of Hai Phong city - one of the most important seaports of Vietnam about 100 km east of Hanoi city. Both Kien An and Do Son newly had become main districts of Hai Phong city instead of small towns of the suburban districts Fig. 1 . Fig. 1. Location of the study area. Tel. 84-4-38542905. E-mail luyendv@ 20 . Luyen ỉ VNU Journal of Science Earth Sciences 25 2009 20-31 21 Do Son Hai Phong is one of important doors attracting foreign investment in the Northern Vietnam having many industrial zones. Besides it is also a dynamic center for tourism aquaculture. so that this region has conflicts between .

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