Urbanization effects in large-scale temperature records with an emphasis on China

Jones, P. D. ORCID: https://orcid.org/0000-0001-5032-5493, Lister, D. H. and Li, Q. (2008) Urbanization effects in large-scale temperature records with an emphasis on China. Journal of Geophysical Research, 113 (D16122). ISSN 2156-2202

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Abstract

Global surface temperature trends, based on land and marine data, show warming of about 0.8°C over the last 100 years. This rate of warming is sometimes questioned because of the existence of well-known Urban Heat Islands (UHIs). We show examples of the UHIs at London and Vienna, where city center sites are warmer than surrounding rural locations. Both of these UHIs however do not contribute to warming trends over the 20th century because the influences of the cities on surface temperatures have not changed over this time. In the main part of the paper, for China, we compare a new homogenized station data set with gridded temperature products and attempt to assess possible urban influences using sea surface temperature (SST) data sets for the area east of the Chinese mainland. We show that all the land-based data sets for China agree exceptionally well and that their residual warming compared to the SST series since 1951 is relatively small compared to the large-scale warming. Urban-related warming over China is shown to be about 0.1°C decade-1 over the period 1951–2004, with true climatic warming accounting for 0.81°C over this period.

Item Type:	Article
Uncontrolled Keywords:	sdg 14 - life below water ,/dk/atira/pure/sustainabledevelopmentgoals/life_below_water
Faculty \ School:	Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Climatic Research Unit Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017) Faculty of Science > Research Groups > Climate, Ocean and Atmospheric Sciences (former - to 2017)
Depositing User:	Rosie Cullington
Date Deposited:	01 Mar 2011 15:05
Last Modified:	24 Sep 2024 09:33
URI:	https://ueaeprints.uea.ac.uk/id/eprint/25436
DOI:	10.1029/2008JD009916

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