地理科学进展 ›› 2004, Vol. 23 ›› Issue (5): 17-24.doi: 10.11820/dlkxjz.2004.05.003

• 地表过程与水文 • 上一篇    下一篇

黄河下游悬河决溢风险评价指标体系的构建

夏富强1, 康相武2, 吴绍洪2, 杨勤业2, 马 欣3, 刘自强3   

  1. 1. 新疆大学资源环境科学学院,乌鲁木齐 830046;
    2. 中国科学院地理科学与资源所,北京 100001;3. 新疆师范大学地理系,乌鲁木齐 830000
  • 收稿日期:2004-07-01 修回日期:2004-08-01 出版日期:2004-09-25 发布日期:2004-09-25
  • 作者简介:夏富强(1973-),男,工程师,主要从事资源环境方面的研究。Email:xiafq_123579@163.com
  • 基金资助:

    国家科技攻关项目资助(96-920-09-01)。

Indicator System on Dike Breach Risk Evaluation for the Lower Reaches of Yellow River

XIA Fuqiang1, KANG Xiangwu2, WU Shaohong2, YANG Qinye2, MA Xin3, LIU Ziqiang3   

  1. 1. The College of Resource Environment Science,Xinjiang University,Urmuq 830046;
    2. Institute of Geographic Science and Nature Resources Research, CAS, Beijing 100001;
    3. The Geography Department of Xinjiang Normal University,Urmuq 830000
  • Received:2004-07-01 Revised:2004-08-01 Online:2004-09-25 Published:2004-09-25

摘要:

针对黄河下游存在决溢风险的现状,根据环境因素对悬河决溢的作用机制,通过对地质构造评价在决溢风险评价中的地位、洪水要素对悬河决溢的影响、不同决溢模式的形成机理进行了分析,从而建立了一套较为系统的黄河下游悬河决溢风险评价指标体系。文中提出了以下观点:1.将洪水要素纳入评价指标体系; 2. 决溢风险评价分为地质构造环境背景评价和决溢情景评价两部分; 3.决溢情景评价与决溢模式相结合; 4. 以不同决溢模式的形成机理为基础确定评价因子。

关键词: 决溢风险评价, 悬河, 指标体系

Abstract:

The lower Yellow River is characterized a "Hang River". It deposits seriously at all times. It changed its course and breached frequently, and gave rise to great calamity to the Chinese People, especially in Henan and Shandong provinces. The risk of dike breach in the lower Yellow River, which is developing now, is a serious threat to people's life and property safety in the central China always,so it is of great significance to establish the indicator system to evaluate the risk of dike breach. By analyzing the environmental characteristics in the lower reach of Yellow River, especially its geology structure, the importance of flood factors and the mechanism of different dike breach pattern , a systematic evaluation indicator system of dike breach risk in the lower Yellow River is established. Some viewpoints on dike breach risk evaluation are put forward in this paper:1. Putting the factors of flood condition into the risk evaluation indicator system. 2. The breach risk evaluation indicator system includes two parts, namely, environmental background evaluation of geology structure and scenario evaluation of dike breach. 3. The scenario evaluation of dike breach links up with the pattern of dike breach. It is very important to prevent and control flood. 4. The dike breach evaluation factors and indicators is selected and decided according to the mechanism of dike breach pattern.

Key words: hang river, norm system, risk evaluation of dike breach