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- W2387943131 abstract "Bailongjiang River Basin is one of the high incidence areas of geologic hazards in China,where landslides are widely distributed,which has a serious harmful effect on people's life,property and local economic development.The main factors affecting the formation of a landslide includes its geological structure,landform,hydrology,meteorology,vegetation and artificial interference,etc.As one of the main external factors for landslide formation,vegetation plays an important role in the formation and development of landslides,which has attracted extensive attention from academic circles.The characteristics of vegetation coverage and its variations in recent 10 years were discussed here,based on the dimidiate pixel model with NDV I in 2002,2005,2008,2011,and then their correlation with landslide was analyzed.The results showed that the changes in vegetation coverage had been generally small but in the region,it presented an obvious spatial heterogeneity,meaning that the low coverage regions thereof showed a trend of obvious increases.And over the years,the density of landslides had been low in regions with a high vegetation coverage,which accounted for 20.6% of the total landslides;and the density of landslides was high in regions with a low vegetation coverage,which accounted for 34.5% of the total landslides.All above showed that there is a negative correlation between the vegetation coverage and the density of landslides in Bailongjiang River Basin,and the vegetation coverage is one of the main influence factors to the formation of a landslide.The research showed that in recent 10 years,the vegetation coverage have been increasing quickly in regions with a low vegetation coverage at first,which means that after the implementation of the policy of returning farmland to forest and grass,the vegetation has recovered quickly and the ecological environment improved,which will play a positive role in the prevention and control of local landslides.The conclusion of this research will provide a scientific basis for landslide prevention strategies in the whole river basin." @default.
- W2387943131 created "2016-06-24" @default.
- W2387943131 creator A5064142978 @default.
- W2387943131 date "2014-01-01" @default.
- W2387943131 modified "2023-09-23" @default.
- W2387943131 title "Analysis on spatial-temporal patterns of the vegetation coverage and landslides in Bailongjiang River Basin based on the Dimidiate Pixel Model" @default.
- W2387943131 hasPublicationYear "2014" @default.
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