[1]马士彬,安裕伦,杨广斌.基于GIS的喀斯特区域不同岩性基底植被NDVI变化分析[J].水土保持研究,2017,24(02):202-206,212.
　MA Shibin,AN Yulun,YANG Guangbin.Analysis of Vegetable NDVI Variation on Various Lithology in Karst Area Based on GIS[J].Research of Soil and Water Conservation,2017,24(02):202-206,212.
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基于GIS的喀斯特区域不同岩性基底植被NDVI变化分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年02期 页码: 202-206,212 栏目: 出版日期: 2017-04-28
Title:
Analysis of Vegetable NDVI Variation on Various Lithology in Karst Area Based on GIS
作者:
马士彬1,2,3, 安裕伦1,2, 杨广斌1,2
1. 贵州师范大学 地理与环境科学学院, 贵阳 550001;
2. 贵州省山地资源与环境遥感应用重点实验室, 贵阳 550001;
3. 六盘水师范学院 环境与资源科学系, 贵州 六盘水 553004
Author(s):
MA Shibin1,2,3, AN Yulun1,2, YANG Guangbin1,2
1. School of Geography and Environment, Guizhou Normal University, Guiyang 550001, China;
2. Guizhou Mountain Resources and Environmental Remote Sensing Application Laboratory, Guiyang 550001, China;
3. Department of Environment and Geography, Liupanshui Normal University, Liupanshui, Guizhou 553004, China
关键词:
GIS; 亚喀斯特; NDVI; 岩性; 贵州
Keywords:
GIS; semi-Karst; NDVI; lithology; Guizhou Province
分类号:
X171
摘要:
为了探索喀斯特区域植被变化的一般性规律，揭示纯喀斯特与亚喀斯特区域植被效应的差异性。以1：20万地质图为岩性基底，利用2000-2013年SPOT VGT_NDVI数据，通过变化倾斜率、变异系数以及相关分析法，对比分析了不同岩性区植被，NDVI的变化规律及主导因素。研究发现：（1）不同岩性基底上的NDVI值、NDVI变化率及变异系数存在一定差异性，NDVI值表现为非喀斯特区域 > 纯喀斯特区域 ≈ 亚喀斯特区域；年际波动亚喀斯特区域 > 纯喀斯特区域 > 非喀斯特区域；呈增加趋势变化像元比重纯喀斯特区域 > 亚喀斯特区域 > 非喀斯特区域，减少趋势比重相反；各岩性区NDVI分布的差异性由土地覆被差异导致，其中森林和农用地比重贡献最大。（2）10 a时间尺度上植被NDVI变化主要受人为因素影响，与气候变化关系不显著。（3）受岩性控制，亚喀斯特区域生态环境比较敏感，与纯喀斯特相比较更易受人为作用影响。因此在喀斯特区域可持续发展过程中，“亚喀斯特”地质背景上的生态安全更应引起关注。
Abstract:
To explore general regularity of NDVI change in the Karst region, and reveal the diversity of vegetable effect between semi-karst and pure-karst. Based on geology map of 1:200 000, and using SPOT VGT image data from 2000 to 2013, we carried out a comparative study on NDVI change in various lithology by the method of change slope, various coefficient and correlation analysis. The results show that it is different for various lithology to mean-NDVI, the change rate and various coefficient of NDVI, mix-NDVI decreases in the order:non-Karst > Karst > semi-Karst, various coefficient of NDVI decreased in the order:semi-Karst > typical Karst > non-Karst, and the proportion of NDVI enhance decreases in the order:typical Karst > semi-Karst > non-Karst, but the proportion of decrease is the exact contrary,the diversity of NDVI in various lithology results from the land coverage, the proportion of forest and farmland are key factories on the variation of NDVI. On short-term scale, the variation of NDVI is driven by human factor, the role of climate change is insignificant. Due to the influence of lithology, in contrast with Karst, the ecological sensitivity of semi-Karst is higher, and it is easier that the ecological environment of semi Karst is influenced by the human factor. Therefore, ecology safety should be concerned especially in semi-Karst background.

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备注/Memo

收稿日期:2016-03-31;改回日期:2016-05-17。
基金项目:贵州师范大学研究生创新基金（研创[2016]25）；贵州省教育厅自然科学研究重点项目（黔教合KY字[2013]173号）；贵州省科技合作计划项目（黔科合LH字[2015]7610号，黔科合LH字[2014]7459号）；国家自然科学基金（41161002，41361091）；贵州省教育厅高校人文社会科学研究规划项目（14GH007）
作者简介:马士彬(1982-),男,黑龙江齐齐哈尔人,副教授,博士生,研究方向:遥感与地理信息系统应用。E-mail:msb88.com@163.com
通讯作者:杨广斌(1973-),男,山东聊城人,博士,教授,硕士研究生导师,研究方向:GIS应用与开发。E-mail:ygbyln@163.com

更新日期/Last Update: 1900-01-01