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Precipitation variability and its response to urbanization in the Taihu Lake Basin, China
Hu, Jian1,2; Liu, Yong3; Sang, Yan-Fang1,3; Liu, Changming1; Singh, Vijay P.4,5,6
2021-03-26
Source PublicationTHEORETICAL AND APPLIED CLIMATOLOGY
ISSN0177-798X
Pages14
Corresponding AuthorSang, Yan-Fang(sangyf@igsnrr.ac.cn)
AbstractThe precipitation pattern in the Taihu Lake basin in East China has significantly changed over the last decades, perhaps due to intensive urbanization. However, there is limited understanding of the effect of large-scale expansion of city groups on the precipitation variability, which causes a challenge for flood control in the basin. Considering the process of urbanization, we investigated in this study the variability of precipitation in different urban zones and characteristic scales and explored the influence of urban development on the rain island effect in the basin. The basin was divided into three zones (old urban area, new urban area, and suburbs) considering different degrees of urbanization. Results indicated that precipitation change and its response to urbanization had spatial differences at various characteristic scales. Urbanization exhibited a significant "precipitation enhancement effect" at the characteristic scales including annual, flood season, summer, autumn, and winter but indicated a "precipitation reduction effect" in spring. Annual (flood season) precipitation in 1990-2013 increased by 30.04 mm (16.94 mm), due to urbanization, compared with that in the preceding period. The rate of contribution of urbanization to precipitation increase was 15.6%, 41.1%, and 14.4% in summer, autumn, and winter. The enhancement effect of short duration rainfall extremes in old urban area was also discernible, and that in new urban areas would enhance along with urban expansion, complicating urban flood and waterlogging control. More effective adaptation strategies should be implemented to handle the unfavorable situation.
KeywordPrecipitation Spatiotemporal variability Taihu Lake basin Urbanization Floods
DOI10.1007/s00704-021-03597-x
WOS KeywordCLIMATE ; IMPACTS ; IDENTIFICATION
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFA0603702] ; National Natural Science Foundation of China[51809252] ; National Natural Science Foundation of China[41971040] ; Youth Innovation Promotion Association CAS[2017074] ; SINO-GERMAN Mobility Programme[M-0369]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; SINO-GERMAN Mobility Programme
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000633310200002
PublisherSPRINGER WIEN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/162053
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 Audit Univ, Sch Engn Management & Auditing, Nanjing 211815, Peoples R China
3.Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210029, Peoples R China
4.Texas A&M Univ, Dept Biol & Agr Engn, College Stn, TX USA
5.Texas A&M Univ, Zachry Dept Civil & Environm Engn, College Stn, TX USA
6.Natl Water & Energy Ctr, Al Ain, U Arab Emirates
Recommended Citation
GB/T 7714
Hu, Jian,Liu, Yong,Sang, Yan-Fang,et al. Precipitation variability and its response to urbanization in the Taihu Lake Basin, China[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2021:14.
APA Hu, Jian,Liu, Yong,Sang, Yan-Fang,Liu, Changming,&Singh, Vijay P..(2021).Precipitation variability and its response to urbanization in the Taihu Lake Basin, China.THEORETICAL AND APPLIED CLIMATOLOGY,14.
MLA Hu, Jian,et al."Precipitation variability and its response to urbanization in the Taihu Lake Basin, China".THEORETICAL AND APPLIED CLIMATOLOGY (2021):14.
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