人民黄河2018，Vol.40Issue(2)：25-29,35,6.DOI:10.3969/j.issn.1000-1379.2018.02.006
封河期头道拐水位与万家寨水库水位关系研究
Study on the Relationship Between Water Levels of Toudaoguai and Wanjiazhai Reservoir
梁贵生 1熊运阜 2路秉慧 1霍庭秀 1路新川 2孙超2
作者信息
- 1. 黄河宁蒙水文水资源局,内蒙古 包头014030
- 2. 黄河万家寨水利枢纽有限公司,山西 太原030002
- 折叠
摘要
Abstract
The river reachbetween Toudaoguai Hydrological Station and the upstream end of the backwater zone of Wanjiazhai Reservoir is 42 km long. Heigelaowan is considered as the turning point of the river bed slope from mild to steep. Before the construction of Wanjiazhai Res?ervoir,the reach at the upstream of Heigelaowan always formed ice cover during the freeze up period due to its mild bed slope,while that at the downstream of Heigelaowan often remained open water with surface ice run. Whether or not the backwater due to the Wanjiazhai Reservoir caused the rise of the water level in the reach downstream of Heigelaowan and resulted in the ice cover formation during freeze up is a con?cern. The objective of this paper was to gain the understanding of the effects of the Wanjiazhai Reservoir on the water level at Toudaoguai dur?ing freeze up. The ice jam is prone to form near the upstream end of the backwater resulted from the Wanjiazhai Reservoir.The analysis of the water level variations from Toudaoguai to Wanjiazhai Reservoir indicates that the channel geometry,reservoir water level and river discharge play important roles in the ice jam toe location;the operation of the water level in the reservoir will not affect the ice jam once the jam has formed;the channel bend at Shensifen is subject to ice jam formation which reduces the ice supply to the downstream reach between Toud?aoguai and Wanjiazhai Reservoir;the water level at Toudaoguai is determined by the flow in ice run date and steady freeze?up period,influ?enced by backwater of ice jam in freeze?up stage of development and independent of the change of the water level at the Wanjiazhai Reservoir关键词
封河期/水位/头道拐/万家寨水库Key words
freeze⁃up/water level/Toudaoguai/Wanjiazhai Reservoir分类
建筑与水利引用本文复制引用
梁贵生,熊运阜,路秉慧,霍庭秀,路新川,孙超..封河期头道拐水位与万家寨水库水位关系研究[J].人民黄河,2018,40(2):25-29,35,6.
