中文版 | English
Title

考虑河床渗透性影响的基流退水过程解析模型

Alternative Title
An analytical model for baseflow recession considering riverbank permeability
Author
Publication Years
2023
DOI
Source Title
ISSN
1000-7849
Volume42Issue:4Pages:201-209
Abstract
基流退水过程分析是流域尺度平均水文地质参数估计的有效方法之一,但传统基流退水过程模型未考虑河床的渗透性,其对参数估计的影响并不清楚.针对这个问题,建立了降水入渗及河水位波动驱动下,考虑河床渗透性影响的潜水含水层地下水流数学模型,运用格林函数方法推导出水位及流量的解析解,并利用数值模拟验证了解析解.结果表明,在降水入渗强度波动的驱动下,河床渗透性越小,降水入渗引起更高的地下水位上升,更低的基流量峰值,更慢的基流退水过程;河水位波动驱动下,河床渗透性更低时,地下水位对河水位波动的响应更弱,地表水-地下水交互通量更小;河床渗透性显著影响基流退水曲线,退水早期,低渗透性的河床导致曲线斜率远大于3,而退水后期,曲线斜率趋近于1,且其不受河床渗透性影响.当河床渗透性较差时,由于忽略了河床渗透性的影响,传统模型会过高估计基流量,过低估计含水层的渗透系数.
Keywords
URL[Source Record]
Language
Chinese
SUSTech Authorship
Others
Funding Project
41977165:国家自然科学基金 ; 20220814221815001:深圳市高等院校稳定支撑计划项目
Data Source
WanFang
WanFangID
dzkjqb202304021
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/571343
DepartmentSchool of Environmental Science and Engineering
Affiliation
南方科技大学环境科学与工程学院,广东 深圳 518000
Recommended Citation
GB/T 7714
王国梁,梁修雨. 考虑河床渗透性影响的基流退水过程解析模型[J]. 地质科技通报,2023,42(4):201-209.
APA
王国梁,&梁修雨.(2023).考虑河床渗透性影响的基流退水过程解析模型.地质科技通报,42(4),201-209.
MLA
王国梁,et al."考虑河床渗透性影响的基流退水过程解析模型".地质科技通报 42.4(2023):201-209.
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