引用本文:王 宁,朱颜明,李 顺.松花湖水体营养物质动态变化及成因分析[J].环境科学研究,1999,12(5):27-30.
WANG Ning,ZHU Yan-ming,LI Shun.Analysis of Dynamic Variations and Forming Reasons of Nourishment Material in Songhua Lake[J].Reserrch of Environmental Science,1999,12(5):27-30.]
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松花湖水体营养物质动态变化及成因分析
王 宁1, 朱颜明2, 李 顺1
1.东北师范大学环境科学系,长春 130024;2.中国科学院长春地理研究所,长春 130021
摘要:
对松花湖1989~1997年省控断面监测数据的统计分析发现,水中营养物质年际变化幅度较大,并引起近年来该湖水质的变化。经调查和实测数据表明,雨量及其他条件相同情况下,不同坡度和不同地面覆盖是影响水体中营养物质变化的主要因素。
关键词:  营养盐 流失量 点源污染 非点源污染
DOI:
分类号:
基金项目:中国科学院“九五”重点资助项目(KZ952-S1-201)
Analysis of Dynamic Variations and Forming Reasons of Nourishment Material in Songhua Lake
WANG Ning1, ZHU Yan-ming2, LI Shun1
1.Department of Environmental Science,Northeast Normal University,Changchun 130024;2.Changchun Institute of Geography, Chinese Academy of Sciences,Changchun 130021
Abstract:
By analyzing the monitoring data on the prime pollutants in the province-control sections of Songhua Lake from 1989 to 1997,it is found that the variation of the nourishment salts is very great in the water.The existence of nourishment salts causes the pollution of Songhua Lake.The investigation and detection results show that different gradient and different ground cover are main factors affecting the variation of nourishment material in the water in terms of same rainfall and other conditions.
Key words:  Nourishment salt  Mass of loss  Point source pollution  Non-pint source pollution