重庆大学学报：自然科学版2012，Vol.35Issue(7)：138-144,7.
新建人工湖沉积物磷形态分布及其影响因素实验
Experiments on the feature distribution and influencing factors of sediment phosphorus in a new artificial lake
摘要
Abstract
Experiments on the features distribution of sediment phosphorus is carried out with sequential extraction method in a new artificial lake.In addition,parameters affecting the sediment phosphorus,such as pH,temperature,dissolved oxygen and light,are examined.The experimental results show that inorganic phosphorus is the most component in total phosphorus,while active phosphorus is between 12.0% and 15.1%.The mass concentration distribution of the active phosphorus in descending order is as follows： slow flow area,lake outlet,lake centre,lake entrance,stagnation zone.Also,organic phosphorus in total phosphorus is in the range of 3.4% to 8.5% and its mass concentration distribution in descending order is listed as follows： lake outlet,lake centre,stagnation zone,slow flow area,lake entrance.At the same time,sediment phosphorus affected by the environmental factors is firstly released,followed by adsorption;increasing temperature and pH is beneficial to the release of sediment phosphorus;at lower dissolved oxygen,the release of sediment phosphorus is largely improved;and the release of phosphorus in the absence of light is significantly higher than that in the presence of light.关键词
沉积物/磷/人工湖/形态分布/连续提取法Key words
sediments/phosphorus/artificial lake/phosphorus fractions/sequential extraction method分类
资源环境引用本文复制引用
范功端,张智,任丽平,罗静,向平,杨冬雪..新建人工湖沉积物磷形态分布及其影响因素实验[J].重庆大学学报：自然科学版,2012,35(7):138-144,7.基金项目
国家科技支撑计划资助项目 （）
重庆市科技攻关计划资助项目（CSTC2006AB7054 （）
CSTC2010AC7081） （）
中央高校基本科研业务费资助 （）
重庆大学大型仪器设备开放基金 （）
