Prediction and setup of phytoplankton statistical model of Qiandaohu Lake  

作　　者：严力蛟 全为民 赵晓慧 

机构地区：[1]AgroEcologyInstitute,LifeScienceCollege,ZhejiangUniversity,Hangzhou310029,China [2]EastChinaSeaFisheriesResearchInstitute,ChineseAcademyo[FisheriesScience,Shanghai200090,China

出　　处：《Journal of Zhejiang University Science》2004年第10期1206-1210,共5页浙江大学学报（自然科学英文版）

基　　金：Project supported by the National Natural Science Foundation of China (No. 69673044) ;; the Environmental Protection Bureau of Hangzhou (No. 9901), China

摘　　要：This research considers the mathematical relationship between concentration of Chla and seven environmental factors, i.e. Lake water temperature (T), Secci-depth (SD), pH, DO, CODMn, Total Nitrogen (TN), Total Phosphorus (TP). Stepwise linear regression of 1997 to 1999 monitoring data at each sampling point of Qiandaohu Lake yielded the multivariate regression models presented in this paper. The concentration of Chla as simulation for the year 2000 by the regression model was similar to the observed value. The suggested mathematical relationship could be used to predict changes in the lakewater environment at any point in time. The results showed that SD, TP and pH were the most significant factors affecting Chla concentration.This research considers the mathematical relationship between concentration of Chla and seven environmental factors, i.e. Lake water temperature (T), Secci-depth (SD), pH, DO, CODMn, Total Nitrogen (TN), Total Phosphorus (TP). Stepwise linear regression of 1997 to 1999 monitoring data at each sampling point of Qiandaohu Lake yielded the multi-variate regression models presented in this paper. The concentration of Chla as simulation for the year 2000 by the regression model was similar to the observed value. The suggested mathematical relationship could be used to predict changes in the lakewater environment at any point in time. The results showed that SD, TP and pH were the most significant factors affecting Chla concentration.

关 键 词：Qiandaohu Lake Stepwise linear regression Statistical model Chla 

分 类 号：X524[环境科学与工程—环境工程]