DOI: 10.1016/j.jag.2017.05.010
Scopus记录号: 2-s2.0-85032191829
论文题名: Analysis of land degradation processes on a tiger bush plateau in South West Niger using MODIS and LANDSAT TM/ETM+ data
作者: Fiorillo E ; , Maselli F ; , Tarchiani V ; , Vignaroli P
刊名: International Journal of Applied Earth Observation and Geoinformation
ISSN: 15698432
出版年: 2017
卷: 62 起始页码: 56
结束页码: 68
语种: 英语
英文关键词: Fuelwood consumption
; Land clearing
; Remote sensing
; Sahel
; Tiger bush
Scopus关键词: data processing
; digital image
; image analysis
; land degradation
; Landsat thematic mapper
; landscape
; MODIS
; plateau
; remote sensing
; spatiotemporal analysis
; Niamey [Niger]
; Niger [West Africa]
; Sahel [Sub-Saharan Africa]
英文摘要: Remote sensing digital image analysis has been applied to monitor land clearing and degradation processes on a plateau covered by tiger bush near Niamey in South West Niger, where signs of severe landscape degradation due to fuelwood supply have been observed in the last decades. A MODIS NDVI dataset (2000–2015) and five LANDSAT images (1986–2012) were used to identify spatial and temporal dynamics and to emphasize areas of greater degradation. The study indicates that the land clearing found by previous investigations in the second part of the 20th century is still ongoing, with a decreasing trend of MODIS NDVI values recorded in the period 2000–2015. This trend appeared to be linked to an increase in bare soil areas that was demonstrated by analysis of LANDSAT SAVI images. The investigation also indicated that rates of degradation are stronger in more deteriorated areas like those located nearer Niamey; degradation patterns also tend to increase from the inner areas to the edges of the plateau. These results attest to the urgency to develop effective environmental preservation policies and find alternative solutions for domestic energy supply. © 2017 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/79975
Appears in Collections: 气候变化事实与影响
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作者单位: Institute of Biometeorology – National Research Council (IBIMET-CNR), Via G. Caproni 8, Florence, Italy
Recommended Citation:
Fiorillo E,, Maselli F,, Tarchiani V,et al. Analysis of land degradation processes on a tiger bush plateau in South West Niger using MODIS and LANDSAT TM/ETM+ data[J]. International Journal of Applied Earth Observation and Geoinformation,2017-01-01,62