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遥感技术与应用  2011, Vol. 26 Issue (6): 798-807    DOI: 10.11873/j.issn.1004-0323.2011.6.798
遥感应用     
多尺度下汾河流域生态环境质量评价与时序分析
王鹏1,魏信2,乔玉良1
(1.太原理工大学,山西 太原030024;2.北京师范大学,北京100085)
Quality Evaluation and Time Sequential Analysis of Eco-environment at Multi-scales in Fen River Basin
Wang Peng1,Wei Xin2,Qiao Yuliang1
(1.Taiyuan University of Technology,Taiyuan 030024,China;2.Beijing Normal University,Beijing 100875,China)
 全文: PDF(2989 KB)  
摘要:

选择1970s的Landsat MSS、1993年和2009年的Landsat TM遥感影像,利用归一化植被指数、归一化差异水体指数、阈值法、谱间关系法、监督分类与非监督分类相结合的方法对汾河流域信息进行提取,选择上、中、下游,行政地区和小流域3个尺度,参考环境保护总局发布的《生态环境状况评价技术规范》,选择生物丰度指数、水网密度指数、植被覆盖度、土壤退化指数与环境质量指数对汾河流域进行生态环境质量评价,并进行时序分析。结果表明:在3个不同尺度下汾河流域生态环境质量均为一般或较差;从1970s到1993年生态环境质量降低,1993年到2009年流域生态环境质量开始改善;不同尺度下的生态环境质量得分不同,但变化趋势相同。

关键词: 生态环境质量评价时序分析遥感影像汾河流域    
Abstract:

The study chooses the Landsat MSS remote sensing images in 1970s,TM images both in 1993 and 2009 to extract information of the Fen river basin by using several methods,such as the normalized difference vegetation index,normalized difference water index,threshold method,spectral relations act method,and the combination methods of supervised and unsupervised classification.Referencing the “ecological environment evaluation of technical specifications” issued by Environmental Protection Administration,we conduct quality evaluation and time sequential analysis to eco-environment by selecting biological abundance index,water network density index,vegetation cover,soil degradation index and the environmental quality index for the Fen river basin at three different scales-the upper,middle down streams of the river,administrative regions and small drainages.The results show that:the eco-environmental quality is fair or poor in the Fen river basin at any scales;the eco-environment quality reduced from 1970s to 1993,which began to become better from 1993 to 2009;the eco-environment quality varies at different scales,but the change trends are similar.This research has some scientific significance in the eco\|environment protection and management of Fen river basin.

Key words: Eco-environment    Quality evaluation    Time sequential analysis    Remote sensing image    Fen river basin
收稿日期: 2011-05-14 出版日期: 2012-01-10
:  X 821  
基金资助:

山西省矿业权价款地质勘查项目“山西省汾河流域生态地质环境调查评价”(晋国土资办发[2008]99号文)资助。

通讯作者: 魏信(1963-),男,山西大同人,博士研究生,主要从事环境遥感、土地利用等研究。     E-mail: weixin@21cn.com
作者简介: 王鹏(1986-),男,宁夏青铜峡人,硕士研究生,主要从事环境遥感研究。Email:trueloveismiss@163.com。
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引用本文:

王鹏,魏信,乔玉良. 多尺度下汾河流域生态环境质量评价与时序分析[J]. 遥感技术与应用, 2011, 26(6): 798-807.

Wang Peng,Wei Xin,Qiao Yuliang. Quality Evaluation and Time Sequential Analysis of Eco-environment at Multi-scales in Fen River Basin. Remote Sensing Technology and Application, 2011, 26(6): 798-807.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2011.6.798        http://www.rsta.ac.cn/CN/Y2011/V26/I6/798

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