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Mapping the exposure and sensitivity to heat wave events in China's megacities 期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2021, 卷号: 755, 页码: 12
Authors:  Wang, Juan;  Meng, Bin;  Pei, Tao;  Du, Yunyan;  Zhang, Jingqiu;  Chen, Siyu;  Tian, Bin;  Zhi, Guoqing
Favorite  |  View/Download:12/0  |  Submit date:2021/03/15
Heat wave events  Exposure  Sensitivity  China  Weibo social media  
Evaluation of Urban Vibrancy and Its Relationship with the Economic Landscape: A Case Study of Beijing 期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2021, 卷号: 10, 期号: 2, 页码: 16
Authors:  Jia, Chen;  Liu, Yuefeng;  Du, Yunyan;  Huang, Jianfeng;  Fei, Teng
Favorite  |  View/Download:8/0  |  Submit date:2021/04/25
urban vibrancy  PageRank  entropy  urban landscape characteristics  
Population migration across the Qinghai-Tibet Plateau: Spatiotemporal patterns and driving factors 期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2021, 卷号: 31, 期号: 2, 页码: 195-214
Authors:  Wang Nan;  Wang Huimeng;  Du Yunyan;  Yi Jiawei;  Liu Zhang;  Tu Wenna
Favorite  |  View/Download:7/0  |  Submit date:2021/06/10
Qinghai-Tibet Plateau  population migration  migration big data  flow radiation model  spatiotemporal interaction mode  
Human's digital footprints on the Qinghai-Tibet Plateau: Variations during festivals and impacts on nature reserves 期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2021, 卷号: 31, 期号: 2, 页码: 179-194
Authors:  Du Yunyan;  Tu Wenna;  Liang Fuyuan;  Yi Jiawei
Favorite  |  View/Download:8/0  |  Submit date:2021/06/10
digital footprint  space-time variations  human impact  nature reserve  location request  
Analysis of ecological quality in Lhasa Metropolitan Area during 1990-2017 based on remote sensing and Google Earth Engine platform 期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2021, 卷号: 31, 期号: 2, 页码: 265-280
Authors:  Huang Huiping;  Chen Wei;  Zhang Yuan;  Qiao Lin;  Du Yunyan
Favorite  |  View/Download:6/0  |  Submit date:2021/06/10
Lhasa Metropolitan Area  ecological quality  remote sensing  ecological index  Google Earth Engine  
Quantify city-level dynamic functions across China using social media and POIs data 期刊论文
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS, 2021, 卷号: 85, 页码: 14
Authors:  Qian, Jiale;  Liu, Zhang;  Du, Yunyan;  Liang, Fuyuan;  Yi, Jiawei;  Ma, Ting;  Pei, Tao
Favorite  |  View/Download:11/0  |  Submit date:2021/03/15
Urban function  Human activity  Social media  Points-of-Interest  Random forest  
Inferring gender and age of customers in shopping malls via indoor positioning data 期刊论文
ENVIRONMENT AND PLANNING B-URBAN ANALYTICS AND CITY SCIENCE, 2020, 卷号: 47, 期号: 9, 页码: 1672-1689
Authors:  Liu, Yaxi;  Cheng, Dayu;  Pei, Tao;  Shu, Hua;  Ge, Xianhui;  Ma, Ting;  Du, Yunyan;  Ou, Yang;  Wang, Meng;  Xu, Lianming
Favorite  |  View/Download:9/0  |  Submit date:2021/03/16
Customer profiles  indoor positioning data  spatial–  temporal mobility  interest preferences  profile inference model  
Mining Evolution Patterns from Complex Trajectory Structures-A Case Study of Mesoscale Eddies in the South China Sea 期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2020, 卷号: 9, 期号: 7, 页码: 15
Authors:  Wang, Huimeng;  Du, Yunyan;  Yi, Jiawei;  Wang, Nan;  Liang, Fuyuan
Favorite  |  View/Download:8/0  |  Submit date:2021/03/18
complex trajectory  mesoscale eddy  structural evolution  frequent pattern  periodic pattern  
Mapping human's digital footprints on the Tibetan Plateau from multi-source geospatial big data 期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2020, 卷号: 711, 页码: 15
Authors:  Yi, Jiawei;  Du, Yunyan;  Liang, Fuyuan;  Tu, Wenna;  Qi, Wei;  Ge, Yong
Favorite  |  View/Download:13/0  |  Submit date:2020/05/19
Geospatial big data  Digital footprint  Human impact  Nature conservation  Tibetan Plateau  
Big geodata mining: Objective, connotations and research issues 期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2020, 卷号: 30, 期号: 2, 页码: 251-266
Authors:  Pei, Tao;  Song, Ci;  Guo, Sihui;  Shu, Hua;  Liu, Yaxi;  Du, Yunyan;  Ma, Ting;  Zhou, Chenghu
Favorite  |  View/Download:20/0  |  Submit date:2020/05/19
big earth observation data  big human behavior data  geographical spatiotemporal pattern  spatio-temporal heterogeneity  knowledge discovery