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Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China

Xiaomeng Song, Yuchen Mo, Yunqing Xuan Orcid Logo, Quan J Wang, Wenyan Wu, Jianyun Zhang, Xianju Zou

Environmental Research Letters, Volume: 16, Issue: 1, Start page: 014042

Swansea University Author: Yunqing Xuan Orcid Logo

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Abstract

We present a statistical method to quantify the contribution of urbanization to precipitation changes during 1958-2017 across the greater Beijing-Tianjin-Hebei (BTH) metropolitan region in northern China. We find distinct trends in precipitation in the past six decades: decreasing in annual and summ...

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Published in: Environmental Research Letters
ISSN: 1748-9326
Published: IOP Publishing 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55902
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first_indexed 2020-12-16T11:48:45Z
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spelling 2021-12-02T11:33:16.4311957 v2 55902 2020-12-16 Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China 3ece84458da360ff84fa95aa1c0c912b 0000-0003-2736-8625 Yunqing Xuan Yunqing Xuan true false 2020-12-16 CIVL We present a statistical method to quantify the contribution of urbanization to precipitation changes during 1958-2017 across the greater Beijing-Tianjin-Hebei (BTH) metropolitan region in northern China. We find distinct trends in precipitation in the past six decades: decreasing in annual and summer while increasing in other seasons. The spatial patterns of precipitation show discernible terrain-induced characteristics with high values in the buffer zones of plain and mountain areas and low values in the northwestern mountainous regions. Our results indicate that although urbanization has limited impacts on the trends and spatial patterns of precipitation, it has a positive contribution to the changes in precipitation for about 80% of the comparisions conducted, especially in autumn (100%), with the negative contribution being dominant in summer (66.67%). In addition, these results are sensitive to the classifications of urban and rural stations, suggesting that how to classify urban/rural areas is a crucial step to estimate the potential contribution of urbanization to precipitation changes. These findings also support that urbanization can diversify and enhance the variations in precipitation, with urban areas becoming a secondary center along with more increasing or less decreasing trends in precipitation. Journal Article Environmental Research Letters 16 1 014042 IOP Publishing 1748-9326 precipitation pattern, urbanization contribution, Beijing-Tianjin-Hebei region 8 1 2021 2021-01-08 10.1088/1748-9326/abd212 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2021-12-02T11:33:16.4311957 2020-12-16T11:44:33.1276682 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Xiaomeng Song 1 Yuchen Mo 2 Yunqing Xuan 0000-0003-2736-8625 3 Quan J Wang 4 Wenyan Wu 5 Jianyun Zhang 6 Xianju Zou 7 55902__19134__9539ada153464d639e405799f748d408.pdf 55902.pdf 2021-01-20T14:45:28.4940147 Output 3849948 application/pdf Version of Record true © 2021 The Author(s). Released under the terms of the Creative Commons Attribution 4.0 license true eng https://creativecommons.org/licenses/by/4.0/
title Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
spellingShingle Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
Yunqing Xuan
title_short Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
title_full Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
title_fullStr Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
title_full_unstemmed Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
title_sort Impacts of urbanization on precipitation patterns in the greater Beijing–Tianjin–Hebei metropolitan region in northern China
author_id_str_mv 3ece84458da360ff84fa95aa1c0c912b
author_id_fullname_str_mv 3ece84458da360ff84fa95aa1c0c912b_***_Yunqing Xuan
author Yunqing Xuan
author2 Xiaomeng Song
Yuchen Mo
Yunqing Xuan
Quan J Wang
Wenyan Wu
Jianyun Zhang
Xianju Zou
format Journal article
container_title Environmental Research Letters
container_volume 16
container_issue 1
container_start_page 014042
publishDate 2021
institution Swansea University
issn 1748-9326
doi_str_mv 10.1088/1748-9326/abd212
publisher IOP Publishing
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
description We present a statistical method to quantify the contribution of urbanization to precipitation changes during 1958-2017 across the greater Beijing-Tianjin-Hebei (BTH) metropolitan region in northern China. We find distinct trends in precipitation in the past six decades: decreasing in annual and summer while increasing in other seasons. The spatial patterns of precipitation show discernible terrain-induced characteristics with high values in the buffer zones of plain and mountain areas and low values in the northwestern mountainous regions. Our results indicate that although urbanization has limited impacts on the trends and spatial patterns of precipitation, it has a positive contribution to the changes in precipitation for about 80% of the comparisions conducted, especially in autumn (100%), with the negative contribution being dominant in summer (66.67%). In addition, these results are sensitive to the classifications of urban and rural stations, suggesting that how to classify urban/rural areas is a crucial step to estimate the potential contribution of urbanization to precipitation changes. These findings also support that urbanization can diversify and enhance the variations in precipitation, with urban areas becoming a secondary center along with more increasing or less decreasing trends in precipitation.
published_date 2021-01-08T04:06:39Z
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