Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China
The urban agglomeration of Yangtze River Delta (YRD) is emblematic of China's rapid urbanization during the past decades. Based on homogenized daily maximum and minimum temperature data, the contributions of urbanization to trends of summer extreme temperature indices (ETIs) in YRD are evaluate...
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Veröffentlicht in: | Geophysical research letters 2017-07, Vol.44 (13), p.6940-6950 |
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creator | Yang, Xuchao Ruby Leung, L. Zhao, Naizhuo Zhao, Chun Qian, Yun Hu, Kejia Liu, Xiaoping Chen, Baode |
description | The urban agglomeration of Yangtze River Delta (YRD) is emblematic of China's rapid urbanization during the past decades. Based on homogenized daily maximum and minimum temperature data, the contributions of urbanization to trends of summer extreme temperature indices (ETIs) in YRD are evaluated. Dynamically classifying the observational stations into urban and rural, this study presents unexplored changes in temperature extremes during the past four decades in YRD and quantifies the amplification of the positive trends in ETIs by the urban heat island effect. Overall, urbanization contributes to more than one third of the increase of intensity of extreme heat events in the region, which is comparable to the contribution of greenhouse gases. Compared to rural stations, more notable shifts to the right in the probability distribution of temperature and ETIs are found in urban stations. The rapid urbanization in YRD has resulted in large increases in the risk of heat extremes.
Key Points
The observational stations in Yangze River Delta are dynamically classified into urban and rural types to evaluate urbanization effects
Urbanization contributes to more than one third of the increase of hot days, warm night, and heat wave intensity
Urban stations show more notable shifts to the right in the probability distribution of extreme temperature indices |
doi_str_mv | 10.1002/2017GL074084 |
format | Article |
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Key Points
The observational stations in Yangze River Delta are dynamically classified into urban and rural types to evaluate urbanization effects
Urbanization contributes to more than one third of the increase of hot days, warm night, and heat wave intensity
Urban stations show more notable shifts to the right in the probability distribution of extreme temperature indices</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1002/2017GL074084</identifier><language>eng</language><publisher>Washington: John Wiley & Sons, Inc</publisher><subject>Agglomeration ; Air pollution ; Amplification ; Extreme heat ; extreme heat event ; Extreme values ; Gases ; Greenhouse effect ; Greenhouse gases ; Heat ; Probability distribution ; Probability theory ; Rivers ; Summer ; Temperature ; Temperature data ; Temperature distribution ; Temperature effects ; Temperature extremes ; Temperature index ; Trends ; Urban areas ; Urban heat islands ; Urbanization ; Yangtze River Delta</subject><ispartof>Geophysical research letters, 2017-07, Vol.44 (13), p.6940-6950</ispartof><rights>2017. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4804-1b1fe546d235fb1f9593b2abad6d79c0af1cca8cc6f5921474bad74ff572e443</citedby><cites>FETCH-LOGICAL-c4804-1b1fe546d235fb1f9593b2abad6d79c0af1cca8cc6f5921474bad74ff572e443</cites><orcidid>0000-0003-4821-1934 ; 0000-0002-8130-7447 ; 0000-0002-1175-3580 ; 0000-0002-1778-2112 ; 0000-0002-3221-9467 ; 0000-0003-4693-7213 ; 0000000348211934 ; 0000000232219467 ; 0000000346937213 ; 0000000217782112 ; 0000000281307447 ; 0000000211753580</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%2F2017GL074084$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2017GL074084$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,777,781,882,1412,1428,11495,27905,27906,45555,45556,46390,46449,46814,46873</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1390366$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Xuchao</creatorcontrib><creatorcontrib>Ruby Leung, L.</creatorcontrib><creatorcontrib>Zhao, Naizhuo</creatorcontrib><creatorcontrib>Zhao, Chun</creatorcontrib><creatorcontrib>Qian, Yun</creatorcontrib><creatorcontrib>Hu, Kejia</creatorcontrib><creatorcontrib>Liu, Xiaoping</creatorcontrib><creatorcontrib>Chen, Baode</creatorcontrib><title>Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China</title><title>Geophysical research letters</title><description>The urban agglomeration of Yangtze River Delta (YRD) is emblematic of China's rapid urbanization during the past decades. Based on homogenized daily maximum and minimum temperature data, the contributions of urbanization to trends of summer extreme temperature indices (ETIs) in YRD are evaluated. Dynamically classifying the observational stations into urban and rural, this study presents unexplored changes in temperature extremes during the past four decades in YRD and quantifies the amplification of the positive trends in ETIs by the urban heat island effect. Overall, urbanization contributes to more than one third of the increase of intensity of extreme heat events in the region, which is comparable to the contribution of greenhouse gases. Compared to rural stations, more notable shifts to the right in the probability distribution of temperature and ETIs are found in urban stations. The rapid urbanization in YRD has resulted in large increases in the risk of heat extremes.
Key Points
The observational stations in Yangze River Delta are dynamically classified into urban and rural types to evaluate urbanization effects
Urbanization contributes to more than one third of the increase of hot days, warm night, and heat wave intensity
Urban stations show more notable shifts to the right in the probability distribution of extreme temperature indices</description><subject>Agglomeration</subject><subject>Air pollution</subject><subject>Amplification</subject><subject>Extreme heat</subject><subject>extreme heat event</subject><subject>Extreme values</subject><subject>Gases</subject><subject>Greenhouse effect</subject><subject>Greenhouse gases</subject><subject>Heat</subject><subject>Probability distribution</subject><subject>Probability theory</subject><subject>Rivers</subject><subject>Summer</subject><subject>Temperature</subject><subject>Temperature data</subject><subject>Temperature distribution</subject><subject>Temperature effects</subject><subject>Temperature extremes</subject><subject>Temperature index</subject><subject>Trends</subject><subject>Urban areas</subject><subject>Urban heat islands</subject><subject>Urbanization</subject><subject>Yangtze River Delta</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxYMoWP_c_ABBr1Yn2exuc5SiVSgI0nvIppM2tU00SdX66Y2uB0-e5g3v94bhEXLG4IoB8GsOrJ1MoRUwEntkwKQQwxFAu08GALJo3jaH5CilFQBUULEBeR4Hn6PrttkFT4Ol29hp7z71z54DzUukzpuIOuG3jx854gbpEnWm-IY-p-JT7fsk1YvFOmww9geKU4KZjpfO6xNyYPU64envPCazu9vZ-H44fZw8jG-mQyNGIIasYxZr0cx5VduiZS2rjutOz5t5Kw1oy4zRI2MaW0vORCuK1Qpr65ajENUxOe_PhpSdSsZlNEsTvEeTFaskVE1ToIseeonhdYspq1XYRl_eUkxyLutKNHWhLnvKxJBSRKteotvouFMM1Hfl6m_lBec9_u7WuPuXVZOnad1AefcL6NeCpw</recordid><startdate>20170716</startdate><enddate>20170716</enddate><creator>Yang, Xuchao</creator><creator>Ruby Leung, L.</creator><creator>Zhao, Naizhuo</creator><creator>Zhao, Chun</creator><creator>Qian, Yun</creator><creator>Hu, Kejia</creator><creator>Liu, Xiaoping</creator><creator>Chen, Baode</creator><general>John Wiley & Sons, Inc</general><general>American Geophysical Union (AGU)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H8D</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-4821-1934</orcidid><orcidid>https://orcid.org/0000-0002-8130-7447</orcidid><orcidid>https://orcid.org/0000-0002-1175-3580</orcidid><orcidid>https://orcid.org/0000-0002-1778-2112</orcidid><orcidid>https://orcid.org/0000-0002-3221-9467</orcidid><orcidid>https://orcid.org/0000-0003-4693-7213</orcidid><orcidid>https://orcid.org/0000000348211934</orcidid><orcidid>https://orcid.org/0000000232219467</orcidid><orcidid>https://orcid.org/0000000346937213</orcidid><orcidid>https://orcid.org/0000000217782112</orcidid><orcidid>https://orcid.org/0000000281307447</orcidid><orcidid>https://orcid.org/0000000211753580</orcidid></search><sort><creationdate>20170716</creationdate><title>Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China</title><author>Yang, Xuchao ; Ruby Leung, L. ; Zhao, Naizhuo ; Zhao, Chun ; Qian, Yun ; Hu, Kejia ; Liu, Xiaoping ; Chen, Baode</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4804-1b1fe546d235fb1f9593b2abad6d79c0af1cca8cc6f5921474bad74ff572e443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Agglomeration</topic><topic>Air pollution</topic><topic>Amplification</topic><topic>Extreme heat</topic><topic>extreme heat event</topic><topic>Extreme values</topic><topic>Gases</topic><topic>Greenhouse effect</topic><topic>Greenhouse gases</topic><topic>Heat</topic><topic>Probability distribution</topic><topic>Probability theory</topic><topic>Rivers</topic><topic>Summer</topic><topic>Temperature</topic><topic>Temperature data</topic><topic>Temperature distribution</topic><topic>Temperature effects</topic><topic>Temperature extremes</topic><topic>Temperature index</topic><topic>Trends</topic><topic>Urban areas</topic><topic>Urban heat islands</topic><topic>Urbanization</topic><topic>Yangtze River Delta</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Xuchao</creatorcontrib><creatorcontrib>Ruby Leung, L.</creatorcontrib><creatorcontrib>Zhao, Naizhuo</creatorcontrib><creatorcontrib>Zhao, Chun</creatorcontrib><creatorcontrib>Qian, Yun</creatorcontrib><creatorcontrib>Hu, Kejia</creatorcontrib><creatorcontrib>Liu, Xiaoping</creatorcontrib><creatorcontrib>Chen, Baode</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Xuchao</au><au>Ruby Leung, L.</au><au>Zhao, Naizhuo</au><au>Zhao, Chun</au><au>Qian, Yun</au><au>Hu, Kejia</au><au>Liu, Xiaoping</au><au>Chen, Baode</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China</atitle><jtitle>Geophysical research letters</jtitle><date>2017-07-16</date><risdate>2017</risdate><volume>44</volume><issue>13</issue><spage>6940</spage><epage>6950</epage><pages>6940-6950</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>The urban agglomeration of Yangtze River Delta (YRD) is emblematic of China's rapid urbanization during the past decades. Based on homogenized daily maximum and minimum temperature data, the contributions of urbanization to trends of summer extreme temperature indices (ETIs) in YRD are evaluated. Dynamically classifying the observational stations into urban and rural, this study presents unexplored changes in temperature extremes during the past four decades in YRD and quantifies the amplification of the positive trends in ETIs by the urban heat island effect. Overall, urbanization contributes to more than one third of the increase of intensity of extreme heat events in the region, which is comparable to the contribution of greenhouse gases. Compared to rural stations, more notable shifts to the right in the probability distribution of temperature and ETIs are found in urban stations. The rapid urbanization in YRD has resulted in large increases in the risk of heat extremes.
Key Points
The observational stations in Yangze River Delta are dynamically classified into urban and rural types to evaluate urbanization effects
Urbanization contributes to more than one third of the increase of hot days, warm night, and heat wave intensity
Urban stations show more notable shifts to the right in the probability distribution of extreme temperature indices</abstract><cop>Washington</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/2017GL074084</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-4821-1934</orcidid><orcidid>https://orcid.org/0000-0002-8130-7447</orcidid><orcidid>https://orcid.org/0000-0002-1175-3580</orcidid><orcidid>https://orcid.org/0000-0002-1778-2112</orcidid><orcidid>https://orcid.org/0000-0002-3221-9467</orcidid><orcidid>https://orcid.org/0000-0003-4693-7213</orcidid><orcidid>https://orcid.org/0000000348211934</orcidid><orcidid>https://orcid.org/0000000232219467</orcidid><orcidid>https://orcid.org/0000000346937213</orcidid><orcidid>https://orcid.org/0000000217782112</orcidid><orcidid>https://orcid.org/0000000281307447</orcidid><orcidid>https://orcid.org/0000000211753580</orcidid><oa>free_for_read</oa></addata></record> |
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source | Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Wiley Free Content; Wiley-Blackwell AGU Digital Library |
subjects | Agglomeration Air pollution Amplification Extreme heat extreme heat event Extreme values Gases Greenhouse effect Greenhouse gases Heat Probability distribution Probability theory Rivers Summer Temperature Temperature data Temperature distribution Temperature effects Temperature extremes Temperature index Trends Urban areas Urban heat islands Urbanization Yangtze River Delta |
title | Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China |
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