[1]陈芳,刘虎俊,刘淑娟,等. 基于MODIS的蒙古国2003-2017年荒漠化动态监测[J].西北林学院学报,2019,34(5):167-171.[doi:10.3969/j.issn.1001-7461.2019.05.26]
　CHEN Fang,LIU Hu-jun,LIU Shu-juan,et al. MODIS-based Desertification Dynamic Monitoring in Mongolia from 2003 to 2017[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2019,34(5):167-171.[doi:10.3969/j.issn.1001-7461.2019.05.26]
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 基于MODIS的蒙古国2003-2017年荒漠化动态监测()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第34卷
期数:
2019年第5期
页码:
167-171
栏目:
出版日期:
2019-09-30

文章信息/Info

Title:
 MODIS-based Desertification Dynamic Monitoring in Mongolia from 2003 to 2017
文章编号:
1001-7461(2019)05-0167-05
作者:
 陈芳1; 刘虎俊1; 刘淑娟1; Ariunaa Ochir2
 （1.甘肃省治沙研究所&甘肃省荒漠化与风沙灾害防治国家重点实验室培育基地，甘肃 兰州 730070；2.蒙古国立植物保护研究所，蒙古 乌兰巴托 210153）
Author(s):
 CHEN Fang1; LIU Hu-jun1; LIU Shu-juan1; Ariunaa Ochir2
 (1.State Key Laboratory of Desertification and Aeolian Sand Disaster Combating,Gansu Desert Control Research Institute,Lanzhou 730070,Gansu,China; 2.Plant Protection Research Institute of Mongolia，Ulaanbaatar 210153,Mongolia)
关键词:
 ; MODIS; 荒漠化; 植被覆盖度; 蒙古国
Keywords:
 ; MODIS;  desertification;  vegetation coverage;  Mongolia
分类号:
S775
DOI:
10.3969/j.issn.1001-7461.2019.05.26
文献标志码:
A
摘要:
 基于MODIS归一化植被指数（NDVI）产品数据，通过像元二分模型估算了蒙古国2003-2017年植被覆盖度，进行荒漠化监测。结果表明，蒙古国是一个受荒漠化危害极为严重的国家，极重度、重度荒漠化土地占国土面积的50.70%；2003-2017年，极重度和重度荒漠化所占国土总面积的比例从前期的55.99%减少到后期的50.70%，而轻度和非荒漠化土地所占面积比例从前期的26.11%增加到28.13%。土地利用转移矩阵显示，2003-2017年研究区极重度荒漠化和重度荒漠化转出面积均>转入的面积，呈减少趋势。而非荒漠化和轻度荒漠化转入面积要>转出面积，呈增加趋势。近15年蒙古国生态环境整体趋于改善，荒漠化的发展态势不明显。
Abstract:
 Based on MODIS NDVI data，the vegetation coverage in Mongolia from 2003 to 2017 was estimated by the pixel binary model.Mongolia is a country that is seriously endangered by desertification.Extremely severe and severe desertification land accounted for 50.70% of the total land area.The percentage of extremely severe and severe desertification land decreased from 55.99% in 2003 to 50.70% in 2017.In the same period,the percentage of light and non desertification land increased from 26.16% to 28.13%.The land use transfer matrix showed that the area of extremely severe desertification and severe desertification was larger than the area transferred in 2003-2017,showing a decreasing trend.The area of desertification and light desertification was greater than the area transferred out,showing an increasing trend.There was no significant desertification development in Mongolia during the past 15 years.

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备注/Memo

备注/Memo:
 收稿日期：2018-10-19修回日期：2019-02-25
基金项目：丝绸之路经济带沿线国家流沙固定及其植被恢复关键技术研发与示范（2016YFE0203400）；中东亚典型荒漠化防治与生态安全合作研究（18YF1WA020）。
作者简介：陈芳，女，副研究员，研究方向：荒漠化监测与防治。E-mail:chenfang2ff3@163.com
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