Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation

Abstract Urbanization has resulted in dry/wet island effects in built-up areas. Compared to the limited number of observational datasets, simulations can provide data with richer spatial distribution, thereby proving to be more helpful for revealing the spatial distribution of dry/wet islands. This...

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Autores principales:	Zhuoran Luo, Jiahong Liu, Yongxiang Zhang, Jinjun Zhou, Weiwei Shao, Yingdong Yu, Ruitao Jia
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
Acceso en línea:	https://doaj.org/article/2313f3438d7a4fbe98c6c0f7ce59fb53
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spelling	oai:doaj.org-article:2313f3438d7a4fbe98c6c0f7ce59fb532021-12-05T12:18:35ZSeasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation10.1038/s41612-021-00216-42397-3722https://doaj.org/article/2313f3438d7a4fbe98c6c0f7ce59fb532021-11-01T00:00:00Zhttps://doi.org/10.1038/s41612-021-00216-4https://doaj.org/toc/2397-3722Abstract Urbanization has resulted in dry/wet island effects in built-up areas. Compared to the limited number of observational datasets, simulations can provide data with richer spatial distribution, thereby proving to be more helpful for revealing the spatial distribution of dry/wet islands. This study simulated dry/wet island effects during typical summer and winter conditions in Beijing by coupling the Artificial Water Dissipation Urban Canopy Model with the Weather Research and Forecasting model. Observations of relative humidity, absolute humidity, and temperature from weather stations in Beijing were used to verify the model. The results showed that in 2020, Beijing was prone to be a dry island during summer, with the relative humidity approximately 5–10% lower than the surrounding suburbs. The dry island effect was not obvious in winter, and Beijing tended to be a wet island. The influence of artificial water dissipation on dry/wet islands is higher in winter than in summer. By considering the water vapor from artificial water dissipation, humidity in urban areas can be simulated more accurately.Zhuoran LuoJiahong LiuYongxiang ZhangJinjun ZhouWeiwei ShaoYingdong YuRuitao JiaNature PortfolioarticleEnvironmental sciencesGE1-350Meteorology. ClimatologyQC851-999ENnpj Climate and Atmospheric Science, Vol 4, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
spellingShingle	Environmental sciences GE1-350 Meteorology. Climatology QC851-999 Zhuoran Luo Jiahong Liu Yongxiang Zhang Jinjun Zhou Weiwei Shao Yingdong Yu Ruitao Jia Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
description	Abstract Urbanization has resulted in dry/wet island effects in built-up areas. Compared to the limited number of observational datasets, simulations can provide data with richer spatial distribution, thereby proving to be more helpful for revealing the spatial distribution of dry/wet islands. This study simulated dry/wet island effects during typical summer and winter conditions in Beijing by coupling the Artificial Water Dissipation Urban Canopy Model with the Weather Research and Forecasting model. Observations of relative humidity, absolute humidity, and temperature from weather stations in Beijing were used to verify the model. The results showed that in 2020, Beijing was prone to be a dry island during summer, with the relative humidity approximately 5–10% lower than the surrounding suburbs. The dry island effect was not obvious in winter, and Beijing tended to be a wet island. The influence of artificial water dissipation on dry/wet islands is higher in winter than in summer. By considering the water vapor from artificial water dissipation, humidity in urban areas can be simulated more accurately.
format	article
author	Zhuoran Luo Jiahong Liu Yongxiang Zhang Jinjun Zhou Weiwei Shao Yingdong Yu Ruitao Jia
author_facet	Zhuoran Luo Jiahong Liu Yongxiang Zhang Jinjun Zhou Weiwei Shao Yingdong Yu Ruitao Jia
author_sort	Zhuoran Luo
title	Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
title_short	Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
title_full	Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
title_fullStr	Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
title_full_unstemmed	Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation
title_sort	seasonal variation of dry and wet islands in beijing considering urban artificial water dissipation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2313f3438d7a4fbe98c6c0f7ce59fb53
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_version_	1718372064215171072

Seasonal variation of dry and wet islands in Beijing considering urban artificial water dissipation

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