气候变化研究进展 ›› 2015, Vol. 11 ›› Issue (4): 256-262.doi: 10.3969/j.issn.1673-1719.2015.04.004

• 海平面变化及其影响专栏 • 上一篇    下一篇

海平面上升影响下的上海地面沉降防治策略

王寒梅1,2,3,焦珣1,2,3   

  1. 1 上海市地质调查研究院,上海 200072;
    2 国土资源部地面沉降监测与防治重点实验室,上海 200072;
    3 上海地面沉降控制工程技术研究中心,上海 200072
  • 收稿日期:2014-12-22 修回日期:2015-04-20 出版日期:2015-07-31 发布日期:2015-07-31
  • 通讯作者: 焦珣 E-mail:jiaoxun83@126.com

Control Strategy of Land Subsidence in Shanghai Under Sea-Level Rise

Wang Hanmei1, 2, 3, Jiao Xun1, 2, 3   

  1. 1 Shanghai Institute of Geological Survey, Shanghai 200072, China;
    2 Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Land and Resources of China, Shanghai 200072, China;
    3 Shanghai Engineering Research Center of Land Subsidence, Shanghai 200072, China
     

  • Received:2014-12-22 Revised:2015-04-20 Online:2015-07-31 Published:2015-07-31

摘要: 本文将海平面上升作为上海地面沉降防治策略研究的一个考虑因素,主要通过分析对比黄浦江外滩防汛墙沉降监测结果与工程沿线区域地面沉降监测结果,以及海平面上升对防汛墙防御能力的影响,得到区域地面沉降对防汛墙沉降作用明显、地面沉降叠加了海平面上升因素将进一步降低城市防洪(潮)排涝能力。在此基础上,提出了考虑海平面上升因素下的未来地面沉降防治策略,包括重大市政工程地面沉降监测预警机制建设、实施地面沉降分区管控、加强地下水资源开发利用管理、建立完善地面沉降监测网络等。

关键词: 地面沉降, 海平面上升, 城市安全, 防洪排涝, 防治策略

Abstract: Under the status of trace settlement and higher urban security fortification, sea-level rise, due to global warming, must be considered for the control of land subsidence in Shanghai. In this paper, sea-level rise was taken as one of considerations for land subsidence control in Shanghai. Based on the monitoring results of flood-control project settlement and regional land subsidence, as well as sea-level rise impact on defense capability of flood prevention walls, it was found that regional land subsidence had a significant effect on flood-control project settlement, and the superposition of ground settlement. Sea-level rise would further reduce drainage capacity of urban flood or tide prevention projects. Then the control strategies were proposed, such as monitoring and early-warning mechanism for major public constructions, zoning control in different regions, better utilization and management for groundwater resources, improving networks for monitoring land subsidence.

Key words: land subsidence, sea-level rise, urban safety, flood-control and drainage, control strategy

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