水利学报Issue(8)：934-941,8.
闸控河段氨氮浓度与主要影响因子的量化关系识别
Identification of quantitative relation of ammonia-nitrogen concentration and main influence factors in the river reaches controlled by sluice
摘要
Abstract
Sluice operation has a strong disturbance effect on environmental factors (such as water flow and sediment), and the change process of water quality in the reaches controlled by sluice (RCS) is more complex than normal cases. Taking Huaidian Sluice as the research object,the effect of sluice operation on water quality evolution is studied. Main influence factors of change rate of ammonia-nitrogen (NH3-N) con-centration in RCS are identified by the sluice operation experiment and the partial correlation analysis meth-od. The hydrodynamic model considering sluice operation action and the water quality transportation and transform model considering endogenous substance exchange action are built. Based on scenario simulation, logarithmic relation expressions between the change rate and main influence factors are established. The re-search results show that the indexes (flow velocity, inflow’s concentration and gate opening size) are main influence factors among the chosen 9 indexes;sluice operation has certain effects on the variation of NH3-N concentration in lower reaches;and the change rate of NH3-N concentration in RCS will be de-creased with the increase of gate opening size or number, and increased gradually with the increase of in-flow’s concentration.关键词
闸控河段/氨氮/影响因子/量化关系Key words
river reaches controlled by sluice/ammonia nitrogen/influence factor/quantitative relation分类
资源环境引用本文复制引用
窦明,郑保强,左其亭,靳梦..闸控河段氨氮浓度与主要影响因子的量化关系识别[J].水利学报,2013,(8):934-941,8.基金项目
国家自然科学基金资助项目（51279183，51079132）；河南省高校科技创新团队支持计划（2013）；郑州市科技攻关计划项目 （）
