基于皮尔逊时序算法的植被变化空间异质性检测  

Spatial Heterogeneity Detection of Vegetation Change Based on Pearson Time Series Algorithm

作　　者：郭洋楠[1] 雷少刚[2] 任立新[2] 段雅婷 李园园 段磊 GUO Yangnan;LEI Shaogang;REN Lixin;DUAN Yating;LI Yuanyuan;DUAN Lei(Shenhua Shendong Coal Group Corporation Limited,Shenmu 719315,China;Engineering Research Center of Ministry of Education for Mine Ecological Restoration,China University of Mining and Technology,Xuzhou 221116,China;Engineering Research Center for Coal Mining Subsided Land and Goaf Treatment of Shandong,Jining 272100,China)

机构地区：[1]神华神东煤炭集团有限责任公司,陕西神木719315 [2]中国矿业大学矿山生态修复教育部工程研究中心,江苏徐州221116 [3]山东省采煤塌陷地与采空区治理工程研究中心,山东济宁272100

出　　处：《湖南科技大学学报（自然科学版）》2023年第4期119-124,共6页Journal of Hunan University of Science And Technology：Natural Science Edition

基　　金：中国神华能源股份有限公司神东煤炭分公司科技创新项目资助(202016000036);国家自然科学基金重大项目课题资助项目(52394193)。

摘　　要：煤炭资源开发不可避免地会对开采地区的土壤及水分分布等造成剧烈的扰动,同时也会影响当地植被变化的空间异质性.以西部半干旱矿区--神东矿区为例,利用2005年—2013年的MODIS-NDVI数据,将地质统计学中的纹理特征等思想与皮尔逊算法相结合,提出一种识别西部半干旱地区植被变化空间异质性的检测分析方法.通过对研究数据进行处理及分析,得到神东矿区植被变化的空间分布图,根据数据分布特点对其进行分级得到分级图,结合现场数据及高分辨率卫星数据对结果进行验证,统计分析神东矿区及其中心区内各个级别的扰动因素.结果表明:以井工开采为主的神东中心区植被重度干扰区域的面积占比低于非中心区,植被中度干扰区域的面积占比高于非中心区,总体上神东中心区的植被受扰动影响的面积占比高于非中心区.The exploitation of coal resources will inevitably cause severe disturbance to the soil and water distribution in mining areas,and affect the spatial heterogeneity of local vegetation changes.Taking Shendong mining area,a semi-arid area in western China as an example,this paper uses MODIS-NDVI data from 2005 to 2013,combines the idea of texture features in geostatistics with Pearson algorithm,and proposes a detection and analysis method to identify the spatial heterogeneity of vegetation change in western semi-arid area.The spatial distribution map of vegetation change in Shendong mining area is obtained by processing and analyzing the research data,and the classification map is obtained according to the data distribution characteristics.The results are verified by field data and high-resolution satellite data.According to the statistical analysis of disturbance factors of different levels in Shendong mining area and its central area,the results show that the area ratio of seriously disturbed area is lower than that of non-central area,and the area ratio of moderately disturbed area is higher than that of non-central area.On the whole,the area ratio of disturbed area in Shendong central area is higher than that of non-central area.

关 键 词：植被变化 空间异质性 相似系数 时序遥感 

分 类 号：X828[环境科学与工程—环境工程]