Articles | Volume 16, issue 5
https://doi.org/10.5194/acp-16-2719-2016
https://doi.org/10.5194/acp-16-2719-2016
Research article
 | 
04 Mar 2016
Research article |  | 04 Mar 2016

Global dimming and urbanization: did stronger negative SSR trends collocate with regions of population growth?

Adel Imamovic, Katsumasa Tanaka, Doris Folini, and Martin Wild

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Cited articles

Alpert, P. and Kishcha, P.: Quantification of the effect of urbanization on solar dimming, Geophys. Res. Lett., 35, L08801, https://doi.org/10.1029/2007GL033012, 2008.
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Gilgen, H., Wild, M., and Ohmura, A.: Means and trends of shortwave irradiance at the surface estimated from global energy balance archive data, J. Climate, 114, 2042–2061, https://doi.org/10.1175/1520-0442-11.8.2042, 1998.
Klein Goldewijk, K., Beusen, A., and Janssen, P.: Long-term dynamic modeling of global population and built-up area in a spatially explicit way: HYDE 3.1, Holocene, 20, 565–573, https://doi.org/10.1177/0959683609356587, 2010.
Liepert, B. G.: Observed reductions of surface solar radiation at sites in the United States and worldwide from 1961 to 1990, Geophys. Res. Lett., 29, 61.1–61.4, https://doi.org/10.1029/2002GL014910, 2002.
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Short summary
Systematic measurements of surface solar radiation revealed a worldwide decrease from the 1960s to the mid-1980s. The role of urbanization for this so called global dimming is still under debate. We developed a set of population-data based urbanization indicators and found no correlation between urbanization and global dimming for Europe and Japan, while an urbanization impact can't be precluded for Asia. It is thus called into question whether the global dimming was mainly a local phenomenon.
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