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Urban Land-Cover Dynamics in Arid China Based on High-Resolution Urban Land Mapping Products
Pan, Tao1,2; Lu, Dengsheng3; Zhang, Chi1; Chen, Xi1; Shao, Hua1; Kuang, Wenhui4; Chi, Wenfeng4,5; Liu, Zhengjia4,6; Du, Guoming7; Cao, Liangzhong1,2
2017-07-01
Source PublicationREMOTE SENSING
ISSN2072-4292
Volume9Issue:7Pages:18
Corresponding AuthorZhang, Chi(zc@ms.xjb.ac.cn)
AbstractRapid urbanization has occurred in northwestern China, threatening the sustainability of its fragile dryland ecosystems. A lack of precise urban land-cover information has limited our understanding on the urbanization in the dryland. Here, we examined urban land-cover changes from 2000 to 2014 in 21 major cities that comprise over 50% of the developed land in arid China, using Landsat Enhanced Thematic Mapper Plus and Operational Land Imager data, and a hybrid classification method. The 15-m resolution urban land-cover products (including impervious surfaces, vegetation, bare soil, and water bodies) had an overall accuracy of 90.37%. Based on these new land use products, we found the urbanization in arid China was characterized by the dramatic expansion of impervious surface (+13.23%) and reduction of bare soil (-13.41%), while the proportions of vegetation (+0.27%) and water (-0.10%) remained stable. The observed dynamic equilibrium of vegetated ratio implies an increasing harmonization of urbanization and greening, which was particularly important for the sustainability of fragile urban ecosystems in arid regions. From an economic perspective, gross domestic product and population were significantly correlated with impervious surfaces, and oasis cities displayed a stronger ability to attract new residents than desert cities.
Keywordurban expansion land-cover change greening precise mapping products arid China
DOI10.3390/rs9070730
WOS KeywordSPECTRAL MIXTURE ANALYSIS ; IMPERVIOUS SURFACE ; SPATIOTEMPORAL CHARACTERISTICS ; BRAZILIAN AMAZON ; THEMATIC MAPPER ; SPATIAL-PATTERN ; CARBON POOLS ; DESERT CITY ; CLASSIFICATION ; IMPACTS
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Programs of China[2014CB954204] ; Zhejiang Agriculture & Forestry University's Research and Development Fund[2013FR052] ; Northeast Agricultural University[16XG07] ; Natural Natural Science Foundation of China[41601582]
Funding OrganizationNational Basic Research Programs of China ; Zhejiang Agriculture & Forestry University's Research and Development Fund ; Northeast Agricultural University ; Natural Natural Science Foundation of China
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
WOS IDWOS:000406676800093
PublisherMDPI AG
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61409
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Chi
Affiliation1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Zhejiang Agr & Forestry Univ, Sch Environm & Resource Sci, Key Lab Carbon Cycling Forest Ecosyst & Carbon Se, Lin An 311300, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
5.Inner Mongolia Univ Finance & Econ, Inner Mongolia 010018, Hohhot, Peoples R China
6.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100094, Peoples R China
7.Northeast Agr Univ, Coll Resources & Environm Sci, Harbin 150030, Peoples R China
Recommended Citation
GB/T 7714
Pan, Tao,Lu, Dengsheng,Zhang, Chi,et al. Urban Land-Cover Dynamics in Arid China Based on High-Resolution Urban Land Mapping Products[J]. REMOTE SENSING,2017,9(7):18.
APA Pan, Tao.,Lu, Dengsheng.,Zhang, Chi.,Chen, Xi.,Shao, Hua.,...&Cao, Liangzhong.(2017).Urban Land-Cover Dynamics in Arid China Based on High-Resolution Urban Land Mapping Products.REMOTE SENSING,9(7),18.
MLA Pan, Tao,et al."Urban Land-Cover Dynamics in Arid China Based on High-Resolution Urban Land Mapping Products".REMOTE SENSING 9.7(2017):18.
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