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humanactivityintensityoflandsurfaceconceptmethodsandapplicationinchina
Xu Yong; Xu Xiaoren; Tang Qing
2016
Source Publicationjournalofgeographicalsciences
ISSN1009-637X
Volume26Issue:9Pages:1349
AbstractHuman activity intensity is a synthesis index for describing the effects and influences of human activities on land surface. This paper presents the concept of human activity intensity of land surface and construction land equivalent, builds an algorithm model for human activity intensity, and establishes a method for converting different land use/cover types into construction land equivalent as well. An application in China based on the land use data from 1984 to 2008 is also included. The results show that China's human activity intensity rose slowly before 2000, while rapidly after 2000. It experienced an increase from 7.63% in 1984 to 8.54% in 2008. It could be generally divided into five levels: Very High, High, Medium, Low, and Very Low, according to the human activity intensity at county level in 2008, which is rated by above 27%, 16%-27%, 10%-16%, 6%-10%, and below 6%. China's human activity intensity was spatially split into eastern and western parts by the line of Helan Mountains-Longmen Mountains-Jinghong. The eastern part was characterized by the levels of Very High, High, and Medium, and the levels of Low and Very Low were zonally distributed in the mountainous and hilly areas. In contrast, the western part was featured by the Low and Very Low levels, and the levels of Medium and High were scattered in Gansu Hexi Corridor, the east of Qinghai, and the northern and southern slopes of Tianshan Mountains in Xinjiang.
Language英语
Funding Project[National Natural Science Foundation of China] ; [Key Research Program of the Chinese Academy of Sciences]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/79084
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Xu Yong,Xu Xiaoren,Tang Qing. humanactivityintensityoflandsurfaceconceptmethodsandapplicationinchina[J]. journalofgeographicalsciences,2016,26(9):1349.
APA Xu Yong,Xu Xiaoren,&Tang Qing.(2016).humanactivityintensityoflandsurfaceconceptmethodsandapplicationinchina.journalofgeographicalsciences,26(9),1349.
MLA Xu Yong,et al."humanactivityintensityoflandsurfaceconceptmethodsandapplicationinchina".journalofgeographicalsciences 26.9(2016):1349.
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