长江科学院院报2018，Vol.35Issue(4)：37-42,6.DOI:10.11988/ckyyb.20161150
三峡水库香溪河库湾不同异重流下水温分层模式研究
Model of Water Temperature Stratification in Xiangxi Bay of the Three Gorges Reservoir with Different Density Currents
摘要
Abstract
After the impoundment of the Three Gorges Reservoir,the hydrodynamics of branch bay together with the distribution of water temperature in vertical direction has changed.To investigate into the distribution of water tem perature in the presence of different types of density current,we monitored the water temperature in-situ in different sections of the Xiangxi Bay,and established a hydrodynamic model (CE-QUAL-W2).We conclude that the main hydrodynamic conditions and water temperature distribution in normal periods of reservoir operation vary correspondingly:in discharge period,backward density current at surface layer is the major hydrodynamic pattern with conventional water temperature distribution;in flood season at low water level,backward density current at middle layer is the major hydrodynamic pattern,with water temperature distributes in double mixing-thermocline type;while in storage period,backward density current at bottom layer is the dominant hydrodynamic pattern,with the water temperature distributes in a half-U shape.The research results offer theoretical and technical support for revealing the water temperature distribution and nutrients transport as well as forecasting water bloom in the Xiangxi Bay.关键词
三峡水库/香溪河库湾/异重流/CE-QUAL-W2/水温分层Key words
Three Gorges Reservoir (TGR)/Xiangxi Bay/different density current/CE-QUAL-W2/thermal stratification分类
建筑与水利引用本文复制引用
刘晋高,徐雅倩,马骏,刘德富,杨正健..三峡水库香溪河库湾不同异重流下水温分层模式研究[J].长江科学院院报,2018,35(4):37-42,6.基金项目
国家科技合作与交流专项(2014DFE70070) （2014DFE70070）
河湖生态修复及藻类利用湖北省重点实验室开放基金项目(HHKF201502) （HHKF201502）
湖北工业大学博士科研启动基金项目(BSQD2015013) （BSQD2015013）
