南四湖底泥污染及其變化過程

Abstract： In order to research the changing process of the pollution from the formation of Nansihu Lake, this study determined the isotope age and depositional rate and analyzed the organic geo-chemical quotas and heavy metal quotas of two sedimentary profiles of Weishan and Dushan lakes. Research results showed that from the formation of Nansihu Lake, the change of the pollution could be divided into four phrases. At the early phrase of the formation, the organic matters of the lake mainly derived from the exotic matters and had a close relation to the effect on the water and sands from the Huanghe (Yellow) River. At the middle and late phrases of the development, the endogenous matters of the lake became the main and stable source of the organic matters. The overflow of the Huanghe River, the excavation of the Grand Canal and the cut of trees caused the changes of the historic pollution. In recent 20 years, the modern industrial pollution from the organic matters and heavy metals has an increasingly heavy tendency. 作 者： 張祖陸    孫娟    王琳    Shen Ji    ZHANG Zulu    SUN Juan    WANG Lin    Shen Ji   作者單位： 張祖陸,王琳,Shen Ji,ZHANG Zulu,WANG Lin,Shen Ji(The Institute of Population, Resource and Environment, Shandong Normal University, Jinan 250014, China)

孫娟,SUN Juan(Life Science College, Zhongshan University, Guangzhou 510275, China) 

期 刊： 地理學(xué)報(bào)(英文版)  ISTICSCI   Journal： JOURNAL OF GEOGRAPHICAL SCIENCES  年，卷(期)： 2004, 14(1)  分類號： X1  Keywords： Nansihu Lake    bed sediment    organic pollution    heavy-metal pollution    changing processof pollution   

【南四湖底泥污染及其變化過程】相關(guān)文章：

綠豆的生長變化過程日記04-26

關(guān)于中秋節(jié)月亮的變化過程08-16

生物性污染及其預(yù)防教案設(shè)計(jì)及反思08-26

梨果實(shí)在貯藏過程中細(xì)胞壁成分的變化11-13

成長的過程02-20

過程的作文09-10

教科版科學(xué)五上《地球表面及其變化》單元教案課后反思04-25

污染的作文01-27

過程優(yōu)秀作文02-26

過程也是美02-29