Supervise of Eco-environmental Change Based on RS Methods and Causal Analysis in Maduo County in Upriver Regions of the Yellow River

DONG Li-xin; WANG Wen-ke; KONG Jin-ling; SHI Hao-nan; GUO Zhen-hua; MAI Liu-yan

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Supervise of Eco-environmental Change Based on RS Methods and Causal Analysis in Maduo County in Upriver Regions of the Yellow River

- Supervise of Eco-environmental Change Based on RS Methods and Causal Analysis in Maduo County in Upriver Regions of the Yellow River
- Bulletin of Soiland Water Conservation Vol. 24, Issue 4, Pages: 68-72(2005)
- 作者机构：
  
  1. 长安大学研究生部,陕西,西安,710054
  2. 长安大学环境与工程学院,陕西,西安,710054
  3. 长安大学地球科学与国土资源学院,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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DONG Li-xin, WANG Wen-ke, KONG Jin-ling, et al. Supervise of Eco-environmental Change Based on RS Methods and Causal Analysis in Maduo County in Upriver Regions of the Yellow River[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 68-72.
DOI：

DONG Li-xin, WANG Wen-ke, KONG Jin-ling, et al. Supervise of Eco-environmental Change Based on RS Methods and Causal Analysis in Maduo County in Upriver Regions of the Yellow River[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 68-72. DOI：

摘要

玛多县是黄河流经的第一县

是三江源自然保护区的重点地区

生态系统异常敏感和脆弱。在高海拔的生态脆弱区进行生态环境遥感监测

不仅利于高寒脆弱生态体系自然规律的研究

而且可为当地进行生态环境保护与治理提供可操作性强的、科学的决策依据。本文利用1990年和2000年两期最新的卫星影像数据

结合野外调查

对研究区80年代以来生态环境变化过程趋势进行对比分析

并以对70年代以来以气候因子为主导的包含冻土环境与水文条件的自然因素变化和人类活动进行分析为基础

探讨了研究区生态环境变化的成因。

Abstract

The first county along the Yellow river? Maduo County is the key region of the state natural protective source regions of Yangtse

Lancang and Yellow River.Supervising the Eco-environmental Change based on RS methods in the frangible and sensitive regions with high altitude will not only benefit the study of the natural law of frangible ecosystem in the cold and high altitude area

but also provide the operable and scientifically decision-making foundation for the local government.Based on two phases of the newest satellite image data ( the 1990 and 2000) and field investigation

the eco-environmental evolution processes since 1980s were analyzed.Analyses and discussions were made aimed at the understanding of the trend and causes of eco-environmental changes in the regions over the last 20 years.T he causes responsible for the eco-environmental changes in the regions were explored in accordance with the natural element including climate

frozen earth and hydrological change and human activity.

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