首页> 外文期刊>Canadian Water Resources Journal >Analysis of Lake Champlain/Richelieu River's historical 2011 flood
【24h】

Analysis of Lake Champlain/Richelieu River's historical 2011 flood

机译:尚普兰湖/黎刹留河2011年历史洪水分析

获取原文
获取原文并翻译 | 示例
           

摘要

Lake Champlain and its natural outlet, the Richelieu River, underwent an historical flooding event in 2011, exceeding by a wide margin all other extreme events in over 100 years of monitoring records. In Quebec, hundreds of homes were flooded for up to 2 months, requiring waves of evacuation and military involvement to support the effort. This paper examines the causes of this exceptional flood, performs a statistical analysis of important variables and compares the 2011 event to three other large floods. The results show that the return period of the 2011 spring flood exceeded 700 years and was caused by the combination of extreme precipitation over the spring season (500 years recurrence) and an important snowpack (15 years recurrence). Hydrological modeling of past extreme events over the Lake Champlain watershed indicates that liquid precipitation during snowmelt is the key factor in triggering large spring floods. The combination of the 2011 April and May precipitation with the large 2008 snowpack in a hypothetical meteorological scenario shows simulated discharges and lake levels much higher than the ones seen in 2011.
机译:尚普兰湖及其自然出口黎塞留河在2011年经历了一次历史性洪灾事件,在100多年的监测记录中,大大超过了所有其他极端事件。在魁北克,数百户房屋被洪水淹没长达2个月,需要撤离和军事介入以支持这项工作。本文研究了这次特大洪灾的成因,对重要变量进行了统计分析,并将2011年的洪灾与其他三场大洪灾进行了比较。结果表明,2011年春季洪水的重现期超过700年,是由春季极端降水(500年复发)和重要积雪(15年复发)共同造成的。尚普兰湖流域过去极端事件的水文模型表明,融雪期间的液体降水是引发春季大洪水的关键因素。在一个假设的气象情景中,2011年4月和5月的降水与2008年的大积雪相结合,显示模拟的流量和湖泊水位大大高于2011年的水平。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号