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Precipitation Complexity and its Spatial Difference in the Taihu Lake Basin, China
Hu, Jian1; Liu, Yong2; Sang, Yan-Fang1,2
2019
Source PublicationENTROPY
ISSN1099-4300
Volume21Issue:1Pages:12
Corresponding AuthorSang, Yan-Fang(sangyf@igsnrr.ac.cn)
AbstractDue to the rapid urbanization development, the precipitation variability in the Taihu Lake basin (TLB) in East China has become highly complex over the last decades. However, there is limited understanding of the spatiotemporal variability of precipitation complexity and its relationship with the urbanization development in the region. In this article, by considering the whole urbanization process, we use the SampEn index to investigate the precipitation complexity and its spatial differences in different urbanization areas (old urban area, new urban area and suburbs) in TLB. Results indicate that the precipitation complexity and its changes accord well with the urbanization development process in TLB. Higher urbanization degrees correspond to greater complexity degrees of precipitation. Precipitation in old urban areas shows the greatest complexity compared with that in new urban areas and suburbs, not only for the entire precipitation process but also the precipitation extremes. There is a significant negative correlation between the annual precipitation and its SampEn value, and the same change of precipitation can cause a greater complexity change in old urbanization areas compared with the new urban areas and suburbs. It is noted that the enhanced precipitation complexity in a new urban area during recent decades cannot be ignored facing the expanding urbanization.
Keywordprecipitation complexity sample Entropy Taihu Lake Basin urbanization
DOI10.3390/e21010048
WOS KeywordENTROPY-BASED DERIVATION ; APPROXIMATE ENTROPY ; SAMPLE ENTROPY ; RUNOFF ; DISTRIBUTIONS ; RAINFALL
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51809252] ; National Natural Science Foundation of China[51609140] ; National Key Research and Development Program of China[2016YFC0401502] ; National Key Research and Development Program of China[2016YFC0400910] ; Youth Innovation Promotion Association CAS[2017074] ; National Mountain Flood Disaster Investigation Project[SHZH-IWHR-57]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Youth Innovation Promotion Association CAS ; National Mountain Flood Disaster Investigation Project
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000459740300048
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49176
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSang, Yan-Fang
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210029, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Hu, Jian,Liu, Yong,Sang, Yan-Fang. Precipitation Complexity and its Spatial Difference in the Taihu Lake Basin, China[J]. ENTROPY,2019,21(1):12.
APA Hu, Jian,Liu, Yong,&Sang, Yan-Fang.(2019).Precipitation Complexity and its Spatial Difference in the Taihu Lake Basin, China.ENTROPY,21(1),12.
MLA Hu, Jian,et al."Precipitation Complexity and its Spatial Difference in the Taihu Lake Basin, China".ENTROPY 21.1(2019):12.
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