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Variations in July extreme precipitation in Henan Province and the related mechanisms
Extreme precipitation in July across Henan Province and the possible mechanisms involved were investigated. The precipitation in Henan reaches its maximum in July. During 1979–2021, the precipitation in July changed weakly, but the intensity (R99p) and frequency (R99f) of extreme precipitation showe...
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| Published in: | International journal of climatology 2022-12, Vol.42 (16), p.9115-9130 |
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| container_title | International journal of climatology |
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| creator | Qianrong, Ma Rui, Hu Yongping, Wu Jie, Zhang Rong, Zhi Guoling, Feng |
| description | Extreme precipitation in July across Henan Province and the possible mechanisms involved were investigated. The precipitation in Henan reaches its maximum in July. During 1979–2021, the precipitation in July changed weakly, but the intensity (R99p) and frequency (R99f) of extreme precipitation showed certain increasing trends, with a significant increase in northern Henan. The proportion of extreme precipitation in total precipitation exhibited a significant upward trend. Wavelet analysis results showed that the extreme precipitation in Henan mainly has a 2–3‐year periodicity, and remarkable interannual variation. Furthermore, nearly 80% of the July extreme precipitation events within the magnitude of 50–100 mm occurred 2–3 times. The first two empirical orthogonal function modes of July R99p exhibited a quasi‐monopole pattern (EOF1) and meridional dipole pattern (EOF2), respectively. Further analysis revealed that EOF1 and EOF2 were related to the Silk Road teleconnection pattern (SRP) and the East Asia/Pacific teleconnection pattern (EAP). Circulation factors influenced the interannual variation of R99p, especially in recent years. Furthermore, the associated sea surface temperature anomalies over the Western Pacific and Indian Ocean can intensify the eastward extension of the South Asian high and westward strengthening of the western Pacific subtropical high, which further impacted the SRP and EAP pattern and enhanced the increment of extreme precipitation in Henan Province.
(a) Locations of 119 stations and their local topography in Henan Province. The outer black line delineates the boundary of Henan Province, the black dots represent the stations (the red dots represent Kaifeng and Zhengzhou), and the shading indicates the elevation (m). (b) Annual cycle of precipitation over Henan Province. |
| doi_str_mv | 10.1002/joc.7805 |
| format | article |
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(a) Locations of 119 stations and their local topography in Henan Province. The outer black line delineates the boundary of Henan Province, the black dots represent the stations (the red dots represent Kaifeng and Zhengzhou), and the shading indicates the elevation (m). (b) Annual cycle of precipitation over Henan Province.</description><identifier>ISSN: 0899-8418</identifier><identifier>EISSN: 1097-0088</identifier><identifier>DOI: 10.1002/joc.7805</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Annual variations ; Anomalies ; Dipoles ; Empirical analysis ; extreme precipitation ; Extreme weather ; Henan Province ; Interannual variations ; Orthogonal functions ; Pattern analysis ; Periodic variations ; Periodicity ; Precipitation ; Sea surface ; Sea surface temperature ; Sea surface temperature anomalies ; South Asian High ; Surface temperature ; Teleconnection patterns ; Teleconnections ; Temperature anomalies ; the East Asia/Pacific teleconnection pattern ; the Silk Road pattern ; Variation ; Wavelet analysis</subject><ispartof>International journal of climatology, 2022-12, Vol.42 (16), p.9115-9130</ispartof><rights>2022 Royal Meteorological Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2935-581678bafeca114d6281bffb65d0eeb1f8de200becd7a188f9e209e79fbbe89c3</citedby><cites>FETCH-LOGICAL-c2935-581678bafeca114d6281bffb65d0eeb1f8de200becd7a188f9e209e79fbbe89c3</cites><orcidid>0000-0001-9932-3878 ; 0000-0001-7789-5293 ; 0000-0002-9204-9834 ; 0000-0002-4985-9209</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjoc.7805$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjoc.7805$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,786,790,27957,27958,50923,51032</link.rule.ids></links><search><creatorcontrib>Qianrong, Ma</creatorcontrib><creatorcontrib>Rui, Hu</creatorcontrib><creatorcontrib>Yongping, Wu</creatorcontrib><creatorcontrib>Jie, Zhang</creatorcontrib><creatorcontrib>Rong, Zhi</creatorcontrib><creatorcontrib>Guoling, Feng</creatorcontrib><title>Variations in July extreme precipitation in Henan Province and the related mechanisms</title><title>International journal of climatology</title><description>Extreme precipitation in July across Henan Province and the possible mechanisms involved were investigated. The precipitation in Henan reaches its maximum in July. During 1979–2021, the precipitation in July changed weakly, but the intensity (R99p) and frequency (R99f) of extreme precipitation showed certain increasing trends, with a significant increase in northern Henan. The proportion of extreme precipitation in total precipitation exhibited a significant upward trend. Wavelet analysis results showed that the extreme precipitation in Henan mainly has a 2–3‐year periodicity, and remarkable interannual variation. Furthermore, nearly 80% of the July extreme precipitation events within the magnitude of 50–100 mm occurred 2–3 times. The first two empirical orthogonal function modes of July R99p exhibited a quasi‐monopole pattern (EOF1) and meridional dipole pattern (EOF2), respectively. Further analysis revealed that EOF1 and EOF2 were related to the Silk Road teleconnection pattern (SRP) and the East Asia/Pacific teleconnection pattern (EAP). Circulation factors influenced the interannual variation of R99p, especially in recent years. Furthermore, the associated sea surface temperature anomalies over the Western Pacific and Indian Ocean can intensify the eastward extension of the South Asian high and westward strengthening of the western Pacific subtropical high, which further impacted the SRP and EAP pattern and enhanced the increment of extreme precipitation in Henan Province.
(a) Locations of 119 stations and their local topography in Henan Province. The outer black line delineates the boundary of Henan Province, the black dots represent the stations (the red dots represent Kaifeng and Zhengzhou), and the shading indicates the elevation (m). (b) Annual cycle of precipitation over Henan Province.</description><subject>Annual variations</subject><subject>Anomalies</subject><subject>Dipoles</subject><subject>Empirical analysis</subject><subject>extreme precipitation</subject><subject>Extreme weather</subject><subject>Henan Province</subject><subject>Interannual variations</subject><subject>Orthogonal functions</subject><subject>Pattern analysis</subject><subject>Periodic variations</subject><subject>Periodicity</subject><subject>Precipitation</subject><subject>Sea surface</subject><subject>Sea surface temperature</subject><subject>Sea surface temperature anomalies</subject><subject>South Asian High</subject><subject>Surface temperature</subject><subject>Teleconnection patterns</subject><subject>Teleconnections</subject><subject>Temperature anomalies</subject><subject>the East Asia/Pacific teleconnection pattern</subject><subject>the Silk Road pattern</subject><subject>Variation</subject><subject>Wavelet analysis</subject><issn>0899-8418</issn><issn>1097-0088</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp10FFLwzAQB_AgCs4p-BECvvjSeWnXNnmUoc4xmA_O15CkF5bRpjXp1H17u81Xn47jfncHf0JuGUwYQPqwbc2k5JCfkREDUSYAnJ-TEXAhEj5l_JJcxbgFACFYMSLrDxWc6l3rI3WeLnb1nuJPH7BB2gU0rnP9cXyYztErT99C--W8Qap8RfsN0oC16rGiDZqN8i428ZpcWFVHvPmrY7J-fnqfzZPl6uV19rhMTCqyPMk5K0qulUWjGJtWRcqZtlYXeQWImlleYQqg0VSlYpxbMbQCS2G1Ri5MNiZ3p7tdaD93GHu5bXfBDy9lWuZcZFk5hUHdn5QJbYwBreyCa1TYSwbyENqwZeQhtIEmJ_rtatz_6-RiNTv6X1Vibvw</recordid><startdate>20221230</startdate><enddate>20221230</enddate><creator>Qianrong, Ma</creator><creator>Rui, Hu</creator><creator>Yongping, Wu</creator><creator>Jie, Zhang</creator><creator>Rong, Zhi</creator><creator>Guoling, Feng</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0001-9932-3878</orcidid><orcidid>https://orcid.org/0000-0001-7789-5293</orcidid><orcidid>https://orcid.org/0000-0002-9204-9834</orcidid><orcidid>https://orcid.org/0000-0002-4985-9209</orcidid></search><sort><creationdate>20221230</creationdate><title>Variations in July extreme precipitation in Henan Province and the related mechanisms</title><author>Qianrong, Ma ; Rui, Hu ; Yongping, Wu ; Jie, Zhang ; Rong, Zhi ; Guoling, Feng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2935-581678bafeca114d6281bffb65d0eeb1f8de200becd7a188f9e209e79fbbe89c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Annual variations</topic><topic>Anomalies</topic><topic>Dipoles</topic><topic>Empirical analysis</topic><topic>extreme precipitation</topic><topic>Extreme weather</topic><topic>Henan Province</topic><topic>Interannual variations</topic><topic>Orthogonal functions</topic><topic>Pattern analysis</topic><topic>Periodic variations</topic><topic>Periodicity</topic><topic>Precipitation</topic><topic>Sea surface</topic><topic>Sea surface temperature</topic><topic>Sea surface temperature anomalies</topic><topic>South Asian High</topic><topic>Surface temperature</topic><topic>Teleconnection patterns</topic><topic>Teleconnections</topic><topic>Temperature anomalies</topic><topic>the East Asia/Pacific teleconnection pattern</topic><topic>the Silk Road pattern</topic><topic>Variation</topic><topic>Wavelet analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qianrong, Ma</creatorcontrib><creatorcontrib>Rui, Hu</creatorcontrib><creatorcontrib>Yongping, Wu</creatorcontrib><creatorcontrib>Jie, Zhang</creatorcontrib><creatorcontrib>Rong, Zhi</creatorcontrib><creatorcontrib>Guoling, Feng</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>International journal of climatology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qianrong, Ma</au><au>Rui, Hu</au><au>Yongping, Wu</au><au>Jie, Zhang</au><au>Rong, Zhi</au><au>Guoling, Feng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Variations in July extreme precipitation in Henan Province and the related mechanisms</atitle><jtitle>International journal of climatology</jtitle><date>2022-12-30</date><risdate>2022</risdate><volume>42</volume><issue>16</issue><spage>9115</spage><epage>9130</epage><pages>9115-9130</pages><issn>0899-8418</issn><eissn>1097-0088</eissn><notes>Funding information</notes><notes>National Natural Science Foundation of China, Grant/Award Number: 41975088; National Key Research and Development Program of China, Grant/Award Numbers: 2017YFC1502303, 2018YFE0109600</notes><abstract>Extreme precipitation in July across Henan Province and the possible mechanisms involved were investigated. The precipitation in Henan reaches its maximum in July. During 1979–2021, the precipitation in July changed weakly, but the intensity (R99p) and frequency (R99f) of extreme precipitation showed certain increasing trends, with a significant increase in northern Henan. The proportion of extreme precipitation in total precipitation exhibited a significant upward trend. Wavelet analysis results showed that the extreme precipitation in Henan mainly has a 2–3‐year periodicity, and remarkable interannual variation. Furthermore, nearly 80% of the July extreme precipitation events within the magnitude of 50–100 mm occurred 2–3 times. The first two empirical orthogonal function modes of July R99p exhibited a quasi‐monopole pattern (EOF1) and meridional dipole pattern (EOF2), respectively. Further analysis revealed that EOF1 and EOF2 were related to the Silk Road teleconnection pattern (SRP) and the East Asia/Pacific teleconnection pattern (EAP). Circulation factors influenced the interannual variation of R99p, especially in recent years. Furthermore, the associated sea surface temperature anomalies over the Western Pacific and Indian Ocean can intensify the eastward extension of the South Asian high and westward strengthening of the western Pacific subtropical high, which further impacted the SRP and EAP pattern and enhanced the increment of extreme precipitation in Henan Province.
(a) Locations of 119 stations and their local topography in Henan Province. The outer black line delineates the boundary of Henan Province, the black dots represent the stations (the red dots represent Kaifeng and Zhengzhou), and the shading indicates the elevation (m). (b) Annual cycle of precipitation over Henan Province.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/joc.7805</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0001-9932-3878</orcidid><orcidid>https://orcid.org/0000-0001-7789-5293</orcidid><orcidid>https://orcid.org/0000-0002-9204-9834</orcidid><orcidid>https://orcid.org/0000-0002-4985-9209</orcidid></addata></record> |
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| ispartof | International journal of climatology, 2022-12, Vol.42 (16), p.9115-9130 |
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| source | Wiley-Blackwell Journals |
| subjects | Annual variations Anomalies Dipoles Empirical analysis extreme precipitation Extreme weather Henan Province Interannual variations Orthogonal functions Pattern analysis Periodic variations Periodicity Precipitation Sea surface Sea surface temperature Sea surface temperature anomalies South Asian High Surface temperature Teleconnection patterns Teleconnections Temperature anomalies the East Asia/Pacific teleconnection pattern the Silk Road pattern Variation Wavelet analysis |
| title | Variations in July extreme precipitation in Henan Province and the related mechanisms |
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