[1]甘小莉,郝玉培,翟永洪,等.巴音河流域植被与水文动态变化研究[J].水土保持研究,2014,21(02):323-326.
　GAN Xiao-li,HAO Yu-pei,ZHAI Yong-hong,et al.Study on Dynamic Change of Vegetation and Hydrology in Bayin River Basin[J].Research of Soil and Water Conservation,2014,21(02):323-326.
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巴音河流域植被与水文动态变化研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年02期 页码: 323-326 栏目: 出版日期: 2014-04-28
Title:
Study on Dynamic Change of Vegetation and Hydrology in Bayin River Basin
作者:
甘小莉1, 郝玉培2, 翟永洪3, 王建荣3, 巢世军3, 刘录三4
1. 中国城市科学研究会 学术交流部, 北京 100835;
2. 中国地质大学(北京) 水资源与环境学院, 北京 100083;
3. 青海省环境科学研究设计院, 西宁 810007;
4. 中国环境科学研究院, 北京 100012
Author(s):
GAN Xiao-li1, HAO Yu-pei2, ZHAI Yong-hong3, WANG Jian-rong3, CHAO Shi-jun3, LIU Lu-san4
1. Chinese Society For Urban Studies, Academic Exchange Department, Beijing 100835, China;
2. School of Water Resources & Environment, China University of Geosciences, Beijing 100083, China;
3. Qinghai Research and Design Academy of Environmental Science, Xi’ning 810007, China;
4. Chinese Research Academy of Environmental Sciences, Beijing 100012, China
关键词:
巴音河流域; 植被指数(NDVI); 生态; 遥感
Keywords:
Bayin River Basin; vegetation index (NDVI); ecology; remote sensing
分类号:
S715.3
摘要:
近年来流域生态环境严重退化，成为我国区域生态环境演变研究的重点地区之一，而植被是生态环境中最重要、最敏感的自然要素，植被覆盖变化对区域生态环境质量有着重要影响。因此本文基于地理信息系统和遥感技术，采用一元线性回归分析方法，利用NASA全球数据中心16天合成全球250 m的MODIS数据，分析了近11 a来巴音河流域的植被分布及变化情况，并简单分析了植被生长的气候影响因素。结果表明，近11 a来，巴音河流域7月份大部分地区植被的植被指数为0.1~0.4；植被指数变化率为-0.04~0.04；植被生长与气温和降雨的相关系数分别为0.06和0.03；巴音河流域植被处于非常低的分布状态，而自然植被的破坏是造成水土流失的主要原因，因此该区域植被生态环境非常脆弱，亟待改善。
Abstract:
In recent years, the ecological environment deterioration has become one of the regional ecological environments of China development research focus area, vegetation is the most important and sensitive natural factor on ecological environment, vegetation cover change has an important impact on the regional ecological environment quality. This paper, extracted vegetation index (NDVI) in vegetation season (July) of Ba Yin River Basin from 2002 to 2012 based on geographic information systems and remote sensing application technology, and by using the method of monadic linear regression analysis with MODIS data from the U.S. National Aeronautics and Space Administration (NASA) which spatial resolution of global data center is 250 m and the time resolution is 16 days, adopted a linear regression trend analysis method to calculate the change rate of the vegetation index in this basin in the past 11 years, analyzed the changes in vegetation distribution of Bayin River Basin in the past 11 years, and simply analyzed the climate influence factors on vegetation growth. The results show that in the past 11 years, most of the vegetation index in Bayin River Basin was between 0.1 and 0.4, the change rate of the vegetation index was between -0.04 and 0.04 in July, the correlation coefficients of vegetation growth and temperature and rainfall are 0.06 and 0.03, respectively. This shows the entire range of inland vegetation change in direction towards benign and deterioration in Bayin River basin is roughly equal, but has presented a very low distribution, and the destruction of natural vegetation was the main reason for causing soil erosion, so that the regional vegetation ecological environment was very fragile, and will need to be improved.

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备注/Memo

收稿日期:2013-08-03;改回日期:2013-10-14。
基金项目:环保部良好湖泊的生态环境保护专项
作者简介:甘小莉(1981-),女,湖北省孝感市人,博士,助理研究员,从事水文水资源及生态研究。E-mail:haojie9130@163.com
通讯作者:郝玉培(1988-),女,河北省石家庄市人,在读硕士,从事水文地质工程地质研究。E-mail:936979627@qq.com

更新日期/Last Update: 1900-01-01