干旱区生态环境知识资源中心(Arid): A Mapping Framework to Characterize Land Use in the Sudan-Sahel Region from Dense Stacks of Landsat Data

Arid

DOI	10.3390/rs11060648
	A Mapping Framework to Characterize Land Use in the Sudan-Sahel Region from Dense Stacks of Landsat Data
	Sedano, Fernando 1; Molini, Vasco 2; Azad, M. Abul Kalam 3
通讯作者	Sedano, Fernando
来源期刊	REMOTE SENSING
EISSN	2072-4292
出版年	2019
卷号	11 期号:6
英文摘要	We developed a land cover and land use mapping framework specifically designed for agricultural systems of the Sudan-Sahel region. The mapping approach extracts information from inter- and intra-annual vegetation dynamics from dense stacks of Landsat 8 images. We applied this framework to create a 30 m spatial resolution land use map with a focus on agricultural landscapes of northern Nigeria for 2015. This map provides up-to-date information with a higher level of spatial and thematic detail resulting in a more precise characterization of agriculture in the region. The map reveals that agriculture is the main land use in the region. Arable land represents on average 52.5% of the area, higher than the reported national average for Nigeria (38.4%). Irrigated agriculture covers nearly 2.2% of the total area, reaching nearly 20% of the cultivated land when traditional floodplain agriculture systems are included, above the reported national average (0.63%). There is significant variability in land use within the region. Cultivated land in the northern section can reach values higher than 75%, most land suitable for agriculture is already under cultivation and there is limited land for future agricultural expansion. Marginal lands, not suitable for permanent agriculture, can reach 30% of the land at lower altitudes in the northeast and northwest. In contrast, the southern section presents lower land use intensity that results in a complex landscape that intertwines areas farms and larger patches of natural vegetation. This map improves the spatial detail of existing sources of LCLU information for the region and provides updated information of the current status of its agricultural landscapes. This study demonstrates the feasibility of multi temporal medium resolution remote sensing data to provide detailed and up-to-date information about agricultural systems in arid and sub arid landscapes of the Sahel region.
英文关键词	land degradation Landsat medium resolution land use cover change agriculture multi temporal Sudan-Sahel region
类型	Article
语种	英语
国家	USA ; Morocco ; Nigeria
开放获取类型	gold, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000464554900001
WOS关键词	VEGETATION DYNAMICS ; CROPPING INTENSITY ; GLOBAL CROPLAND ; AFRICAN SAHEL ; MODIS ; COVER ; CLASSIFICATION ; METHODOLOGY ; EXTENT ; ETM+
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218353
作者单位	1.Univ Maryland, Dept Geog Sci, College Pk, MD 20704 USA; 2.World Bank, 7 Rue Larbi Ben Abdellah, Rabat 10001, Morocco; 3.World Bank, Plot 102 Yakubu Gowon Crescent, Asokoro, Abuja, Nigeria
推荐引用方式 GB/T 7714	Sedano, Fernando,Molini, Vasco,Azad, M. Abul Kalam. A Mapping Framework to Characterize Land Use in the Sudan-Sahel Region from Dense Stacks of Landsat Data[J],2019,11(6).
APA	Sedano, Fernando,Molini, Vasco,&Azad, M. Abul Kalam.(2019).A Mapping Framework to Characterize Land Use in the Sudan-Sahel Region from Dense Stacks of Landsat Data.REMOTE SENSING,11(6).
MLA	Sedano, Fernando,et al."A Mapping Framework to Characterize Land Use in the Sudan-Sahel Region from Dense Stacks of Landsat Data".REMOTE SENSING 11.6(2019).