数值模拟方法在河流冰塞水位模拟中的应用——以黄河三湖河口弯道段为例

doi:10.13866/j.azr.2021.06.07

干旱区研究 ›› 2021, Vol. 38 ›› Issue (6): 1556-1562.doi: 10.13866/j.azr.2021.06.07

数值模拟方法在河流冰塞水位模拟中的应用——以黄河三湖河口弯道段为例

徐凯莉^1,²(),吕海深^1,²(),刘名文^1,²,朱永华^1,²,何超禄^1,²,谢冰绮³

1.河海大学水文水资源与水利工程科学国家重点实验室,江苏南京 210098
2.河海大学水文水资源学院,江苏南京 210098
3.珠江水利委员会珠江水利科学研究院,广东广州 510630

收稿日期:2021-06-07 修回日期:2021-07-09 出版日期:2021-11-15 发布日期:2021-11-29
通讯作者: 吕海深
作者简介:徐凯莉（1997-）,女,硕士研究生,主要从事河道冰塞洪水预报研究. E-mail: xukaili9705@163.com
基金资助:
国家重点研发项目(2019YFC1510504);中央高校基本科研业务费专项资金资助(B210203051)

Numerical simulation of the ice jam stage in the Sanhuhekou bend reach of the Yellow River

XU Kaili^1,²(),LYU Haishen^1,²(),LIU Minwen^1,²,ZHU Yonghua^1,²,HE Chaolu^1,²,XIE Bingqi³

1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, Jiangsu, China
2. College of Hydrology and Water Resources, Hohai University, Nanjing 210098, Jiangsu, China
3. Pearl River Water Resources Research Institute, Pearl River Water Resources Commission, Guangzhou 510630, Guangdong, China

Received:2021-06-07 Revised:2021-07-09 Online:2021-11-15 Published:2021-11-29
Contact: Haishen LYU

摘要/Abstract

摘要：

运用开源的河冰数值模型RIVICE模拟黄河三湖河口弯道段2008—2010年开河期的冰塞水位,并进行模型参数的敏感性分析。研究所使用的流量、水位、冰厚等数据均来自水文年鉴。结果表明,用RIVICE模型模拟开河期冰塞水位具有很高的可行性。冰塞回水水位对上游边界流量十分敏感,说明了水利工程调控的重要性,研究通过数值模型对冰塞水位进行模拟及演变预测,为水利工程调控和凌汛防治提供一定的参考。

关键词: 黄河三湖河口弯道段, 冰塞水位, RIVICE模型

Abstract:

In this study, the open-source numerical river ice model RIVICE was used to simulate the ice jam water level in the Sanhuhekou bend reach of the Yellow River during the break-up period. Its parameters were then subjected to sensitivity analysis. Flow, water level, and ice th ickness were obtained from the Hydrological Yearbook. Results show that the RIVICE model can be utilized to simulate the ice jam water level in the break-up period. The backwater level of an ice jam is highly sensitive to the upstream boundary discharge, indicating the importance of water conservancy projects in flow regulation. Therefore, the established model can provide a scientific theoretical basis for managing water conservancy projects and ice flood control.

Key words: Sanhuhekou bend reach of the Yellow River, ice jam water level, RIVICE model

徐凯莉,吕海深,刘名文,朱永华,何超禄,谢冰绮. 数值模拟方法在河流冰塞水位模拟中的应用——以黄河三湖河口弯道段为例[J]. 干旱区研究, 2021, 38(6): 1556-1562.

XU Kaili,LYU Haishen,LIU Minwen,ZHU Yonghua,HE Chaolu,XIE Bingqi. Numerical simulation of the ice jam stage in the Sanhuhekou bend reach of the Yellow River[J]. Arid Zone Research, 2021, 38(6): 1556-1562.

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参数/边界条件	单位	表征含义	2008年	2009年	2010年
n_b	-	河床糙率	0.012	0.012	0.012
n_{8 m}	-	冰盖糙率	0.12	0.12	0.12
K₁tan	-	冰塞与河岸的摩擦力	0.218	0.218	0.218
K₂	-	冰塞的内阻力	8.5	8.5	8.5
e	-	冰塞的孔隙度	0.3	0.3	0.3
F_T	m	冰塞前缘厚度	0.35	0.25	0.20
h	m	冰塞下游完整冰盖厚度	0	0	0
x	-	卡冰位置	167	167	167
V_ice	m³·Δt^-1	上游来冰量	50	60	40
Q	m³·s^-1	上游边界流量	800	661	670
W	m	下游边界水位	1020.7	1020.18	1020.36

数值模拟方法在河流冰塞水位模拟中的应用——以黄河三湖河口弯道段为例

Numerical simulation of the ice jam stage in the Sanhuhekou bend reach of the Yellow River

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