黄山市近30 a植被盖度时空变化遥感分析  

Spatial and temporal variation remote sensing analysis of vegetation coverage in Huangshan City in recent 30 years

作　　者：吴见[1] 彭建[1] 谷双喜[1] WU Jian;PENG Jian;GU Shuangxi(School of Geographic Information and Tourism,Chuzhou University,Chuzhou 23900,China)

机构地区：[1]滁州学院地理信息与旅游学院,安徽滁州239000

出　　处：《黑龙江工程学院学报》2020年第5期6-10,共5页Journal of Heilongjiang Institute of Technology

基　　金：安徽省自然科学青年基金项目(1808085QC72);安徽省教育厅自然科学重点项目(KJ2019A0634)。

摘　　要：植被盖度变化分析对生态环境保护具有重要意义。选取1988年、2002年、2018年3期的TM遥感影像数据,依据像元二分模型法获取黄山市不同年份的植被盖度信息,利用植被盖度分级和转移矩阵分析黄山市植被盖度时空特征变化。结果表明:1988—2002黄山市北部和东部退化较为严重,2002—2018黄山市植被盖度改善面积高达3176.48 km^2,而退化面积仅1203.49 km^2;改善区、稳定区和退化区植被覆盖面积均随着海拔的增加呈现先增加后降低的变化趋势,并且在海拔200~400 m的范围内达到最大值。The analysis of vegetation coverage change is of great significance for ecological environmental protection.Based on remote sensing data of 1988,2002 and 2018,vegetation coverage information of different years in huangshan city was obtained by using the pixel dichotomy model.Vegetation coverage classification and transfer matrix were used to study spatial and temporal changefeature of vegetationcoveragein huangshan city.The result shows that from 1988 to 2002,the degradation in the north and east of huangshan city was serious.From 2002 to 2018,the vegetation coverage improvement area of huangshan city was as high as 3176.48 km^2,while the degraded area was only 1203.49 km^2.The vegetation coverage in the improvement zone,the stabilization zone and the degraded zone increased first and then decreased with the increase of altitude,and reached the maximum within the range of 200~400 m.This paper can provide a reference for vegetation protection and ecological environment construction in huangshan city.

关 键 词：植被盖度 像元二分模型 NDVI TM影像 黄山市 

分 类 号：F316.2[经济管理—产业经济]