Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.15244/pjoes/136184 |
Monitoring Grassland Desertification in Zoige County Using Landsat and UAV Image | |
Tu, Mingguang; Lu, Hong; Shang, Min | |
通讯作者 | Lu, H (corresponding author),SouthWestern Univ Finance & Econ, Res Inst Social Dev, Chengdu 610000, Peoples R China. |
来源期刊 | POLISH JOURNAL OF ENVIRONMENTAL STUDIES
![]() |
ISSN | 1230-1485 |
EISSN | 2083-5906 |
出版年 | 2021 |
卷号 | 30期号:6 |
英文摘要 | The increasing rate of sandy desertification lands in Zoige County has been regarded as an imminent threat recently. There is an urgent need to monitor the status, trend of desertification. This study used a land cover classification process of integrating Support Vector Machine classifier (SVM) with threshold method to extract the sandy lands based on Landsat data collected from 1990 to 2017. Furthermore, we quantitatively analyzed the evolution trend of the grassland desertification and verified the effect of desertification control using the unmanned aerial vehicle (UAV) image acquired in 2019. Three conclusions are drawn from the study. First, the sandy land is mainly distributed along the directions of prevailing wind at the edges of mountains in the southwest. Second, the area of sandy lands increased from 29.75 km(2) in 1990 to 46.87 km(2 )in 2005 and then decreased to 22.58 km(2) in 2013. While during 2014-2017, the area increased to 33.61 km(2). Third, the increasing of sandy lands is closely related to the terrain and water resources distribution. Ecological restoration policies, especially the ecological recovery projects implemented are the main driving factor of desertification reversion. The results of this study can provide effective data and decision support for combating desertification. |
英文关键词 | desertification supervised classification Zoige County Landsat and UVA image information extraction |
类型 | Article |
语种 | 英语 |
开放获取类型 | gold |
收录类别 | SCI-E |
WOS记录号 | WOS:000760618000033 |
WOS关键词 | SPECTRAL MIXTURE ANALYSIS ; INDEX ; NDVI |
WOS类目 | Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/375983 |
作者单位 | [Tu, Mingguang] Jiujiang Univ, Jiangxi Key Lab Ind Ecol Simulat & Environm Hlth, Jiujiang 332005, Peoples R China; [Lu, Hong] SouthWestern Univ Finance & Econ, Res Inst Social Dev, Chengdu 610000, Peoples R China; [Shang, Min] Sichuan Solid Waste & Chem Management Ctr, Chengdu 610000, Peoples R China |
推荐引用方式 GB/T 7714 | Tu, Mingguang,Lu, Hong,Shang, Min. Monitoring Grassland Desertification in Zoige County Using Landsat and UAV Image[J],2021,30(6). |
APA | Tu, Mingguang,Lu, Hong,&Shang, Min.(2021).Monitoring Grassland Desertification in Zoige County Using Landsat and UAV Image.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,30(6). |
MLA | Tu, Mingguang,et al."Monitoring Grassland Desertification in Zoige County Using Landsat and UAV Image".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 30.6(2021). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。