Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization
Urban extreme precipitation is a typical destructive hydrological event. However, the disaster-causing factors of urban extreme precipitation in Henan Province have rarely been discussed. In this study, daily precipitation data of 11 stations covering a disaster-affected area in “21.7” rainstorm eve...
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ftdoajarticles:oai:doaj.org/article:0630b1e6164f41f5ad1bc2ec55e140e2 2023-10-29T02:32:25+01:00 Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization Yuxiang Zhao Jie Tao He Li Qiting Zuo Yinxing He Weibing Du 2023-09-01T00:00:00Z https://doi.org/10.3390/w15183264 https://doaj.org/article/0630b1e6164f41f5ad1bc2ec55e140e2 EN eng MDPI AG https://www.mdpi.com/2073-4441/15/18/3264 https://doaj.org/toc/2073-4441 doi:10.3390/w15183264 2073-4441 https://doaj.org/article/0630b1e6164f41f5ad1bc2ec55e140e2 Water, Vol 15, Iss 3264, p 3264 (2023) teleconnection factors Henan Province urban extreme precipitation Granger causality test urbanization indicators Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 article 2023 ftdoajarticles https://doi.org/10.3390/w15183264 2023-10-01T00:36:35Z Urban extreme precipitation is a typical destructive hydrological event. However, the disaster-causing factors of urban extreme precipitation in Henan Province have rarely been discussed. In this study, daily precipitation data of 11 stations covering a disaster-affected area in “21.7” rainstorm event from 1951 to 2021 and hundreds of climatic indexes set were selected. First, the Granger causality test was adopted to identify the dominant teleconnection factors of extreme precipitation. Then, the effects of teleconnection factors on extreme precipitation in four design frequencies of 10%, 1%, 0.1%, and 0.001% in typical cities of Henan Province were analyzed by using regression and frequency analysis. Finally, the future variation was predicted based on CMIP6. The results show that: (1) The West Pacific 850 mb Trade Wind Index, Antarctic oscillation index, and other factors exert common influence on disaster-affected cities. (2) Teleconnection factors are the dominant force of urban extreme precipitation in most cities (50.3–99.8%), and area of built-up districts, length of roads, area of roads, and botanical garden areas are the key urbanization indicators affecting extreme precipitation. (3) In the future scenarios, the duration and intensity characteristics of urban extreme precipitation will increase, and the growth rate will increase monotonically with the recurrence period. Article in Journal/Newspaper Antarc* Antarctic Directory of Open Access Journals: DOAJ Articles Water 15 18 3264 |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
teleconnection factors Henan Province urban extreme precipitation Granger causality test urbanization indicators Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
spellingShingle |
teleconnection factors Henan Province urban extreme precipitation Granger causality test urbanization indicators Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Yuxiang Zhao Jie Tao He Li Qiting Zuo Yinxing He Weibing Du Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
topic_facet |
teleconnection factors Henan Province urban extreme precipitation Granger causality test urbanization indicators Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
description |
Urban extreme precipitation is a typical destructive hydrological event. However, the disaster-causing factors of urban extreme precipitation in Henan Province have rarely been discussed. In this study, daily precipitation data of 11 stations covering a disaster-affected area in “21.7” rainstorm event from 1951 to 2021 and hundreds of climatic indexes set were selected. First, the Granger causality test was adopted to identify the dominant teleconnection factors of extreme precipitation. Then, the effects of teleconnection factors on extreme precipitation in four design frequencies of 10%, 1%, 0.1%, and 0.001% in typical cities of Henan Province were analyzed by using regression and frequency analysis. Finally, the future variation was predicted based on CMIP6. The results show that: (1) The West Pacific 850 mb Trade Wind Index, Antarctic oscillation index, and other factors exert common influence on disaster-affected cities. (2) Teleconnection factors are the dominant force of urban extreme precipitation in most cities (50.3–99.8%), and area of built-up districts, length of roads, area of roads, and botanical garden areas are the key urbanization indicators affecting extreme precipitation. (3) In the future scenarios, the duration and intensity characteristics of urban extreme precipitation will increase, and the growth rate will increase monotonically with the recurrence period. |
format |
Article in Journal/Newspaper |
author |
Yuxiang Zhao Jie Tao He Li Qiting Zuo Yinxing He Weibing Du |
author_facet |
Yuxiang Zhao Jie Tao He Li Qiting Zuo Yinxing He Weibing Du |
author_sort |
Yuxiang Zhao |
title |
Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
title_short |
Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
title_full |
Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
title_fullStr |
Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
title_full_unstemmed |
Influence of Teleconnection Factors on Extreme Precipitation in Henan Province under Urbanization |
title_sort |
influence of teleconnection factors on extreme precipitation in henan province under urbanization |
publisher |
MDPI AG |
publishDate |
2023 |
url |
https://doi.org/10.3390/w15183264 https://doaj.org/article/0630b1e6164f41f5ad1bc2ec55e140e2 |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Water, Vol 15, Iss 3264, p 3264 (2023) |
op_relation |
https://www.mdpi.com/2073-4441/15/18/3264 https://doaj.org/toc/2073-4441 doi:10.3390/w15183264 2073-4441 https://doaj.org/article/0630b1e6164f41f5ad1bc2ec55e140e2 |
op_doi |
https://doi.org/10.3390/w15183264 |
container_title |
Water |
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15 |
container_issue |
18 |
container_start_page |
3264 |
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1781053815712120832 |