Journal ArticleDOI
Impact of urbanization on changes in temperature extremes in Beijing during 1978–2008
TLDR
In this article, a homogenized dataset of daily mean, maximum and minimum temperature (Tm, Tmax and Tmin) observations at 20 stations in Greater Beijing (GBJ) from 1978 to 2008 is analyzed.Abstract:
To quantify the impact of urbanization on changes in observed surface air temperature and extremes, a homogenized dataset of daily mean, maximum and minimum temperature (Tm, Tmax and Tmin) observations at 20 stations in Greater Beijing (GBJ) from 1978 to 2008 is analyzed. In contrast with previous studies, a cluster analysis is done to objectively classify observing stations into four categories (urbanized, suburban, rural and mountain), which is checked with remote-sensing night-light images since the 1990s. At urbanized sites, there is an added warming trend in annual mean Tm representing an average of 10.9% (up to 18.4% or 0.12°C/decade at the most strongly influenced site) of overall warming. Corresponding contributions for Tmin are 12.7% (up to 20.8% or 0.19°C/decade) and 24% for diurnal temperature range DTR (up to 37.4% or 0.149°C/decade) over the last three decades. Although it has not had a significant impact on daytime records (Tmax), urbanization has enhanced the increasing (decreasing) trend of extremely warm (cold) nights by an average of 12.7% or 2.07 d/decade (29.0% or 5.06 d/decade) at the urbanized sites since the 1970s.read more
Citations
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Journal ArticleDOI
Impacts of urbanization on land use /cover changes and its probable implications on local climate and groundwater level
TL;DR: In this paper, the authors tried to understand spatiotemporal characteristics of urban growth and its implications for the hydro-meteorological parameters in the Howrah Municipal Corporation (HMC) of the Indian state of West Bengal.
Journal ArticleDOI
Contribution of urbanization to the increase of extreme heat events in an urban agglomeration in east China
TL;DR: In this article, the authors evaluated the contributions of urbanization to trends of summer extreme temperature indices (ETIs) in YRD and quantified the amplification of the positive trends in ETIs by the urban heat island effect.
Journal ArticleDOI
Review of recent studies of the climatic effects of urbanization in China
TL;DR: In this article, the effects of urbanization on local climate trends have been re-estimated based on homogenized observations and using improved methods, and the effect of urbanisation on the observed warming trend of local surface air temperatures during the last few decades is determined as being about 20% at urban stations such as the Beijing Observatory.
Journal ArticleDOI
PM2.5 Pollution Modulates Wintertime Urban‐Heat‐Island Intensity in the Beijing‐Tianjin‐Hebei Megalopolis, China
Yuanjian Yang,Yuanjian Yang,Yuanjian Yang,Zuofang Zheng,Steve Y.L. Yim,Matthias Roth,Guoyu Ren,Guoyu Ren,Zhiqiu Gao,Tijian Wang,Qingxiang Li,Chun-e Shi,Guicai Ning,Yubin Li +13 more
TL;DR: In this article, a detailed understanding of the relationship between PM2.5 pollution and the urban heat island (UHI) effect is presented, which can help to design effective mitigation strategies.
Journal ArticleDOI
Trend of Surface Air Temperature in Eastern China and Associated Large-Scale Climate Variability over the Last 100 Years
TL;DR: Using the reconstructed continuous and homogenized surface air temperature (SAT) series for 16 cities across eastern China (where the greatest industrial developments in China have taken place) back to the nineteenth century, the authors examined linear trends of SAT.
References
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