On the self-ventilation of an urban heat island

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Gross, G.: On the self-ventilation of an urban heat island. In: Meteorologische Zeitschrift 28 (2019), Nr. 1, S. 87-92. DOI: https://doi.org/10.1127/metz/2019/0961

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Sum total of downloads: 78




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Abstract: 
Measurements of a new German Meteorological Service urban observation network in Hannover were used to analyse the urban heat island (UHI) and the dynamics of urban wind. The UHI was well pronounced on many nights of the year and had a maximum intensity during the observation period of more than 6K. A strong correlation between the UHI intensity and wind speed difference between the urban and the rural station was found. During the night, wind speed inside the city was significantly higher than in the surrounding rural area for an increasing air temperature contrast. This effect was attributed to the weaker thermal stability inside the city when there was a well-developed heat island, which enhanced the turbulent momentum flux from above.
License of this version: CC BY-NC 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 49 62.82%
2 image of flag of United States United States 26 33.33%
3 image of flag of United Kingdom United Kingdom 2 2.56%
4 image of flag of India India 1 1.28%

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