The London Heat‐island in June—july 1976

Lyall, I. T.

doi:10.1002/j.1477-8696.1977.tb04578.x

Cited by 11 publications

(5 citation statements)

References 5 publications

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“…An analysis of the London heat island in the exceptionally hot and dry summer of 1976 concluded that the magnitude of the daytime heat island was no greater that year than normal. 14 Weather data from several sites in and around London were used, and isotherms drawn. On the hottest day of the year, 26 June 1976, it was found that: 'In most country districts outside London maxima were 34-35°C.…”

Section: London's Heat Islandmentioning

confidence: 99%

The London Heat Island: results from summertime monitoring

Watkins

Palmer

Kolokotroni

et al. 2002

Building Services Engineering Research and Technology

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The paper presents some aspects of Warsaw's climate, in particular the urban heat island. UHI changes in different seasons and in different air mass types were analysed over the years 2011-2012. Average UHI in Warsaw is of a diamond shape which reflects the distribution of the densest built area and exceeds 2.0°C in the city centre compared to the airport station. In subtropical air mass, the intensity of UHI on the left side of the Vistula River reached 7.7°C. The basis for the analysis is the microclimatic measurement network of 28 permanent points in Warsaw and its surroundings, operated by IGSO PAS and completed by data from 7 other stations. This dense network became the IGSO PAS' input into an UHI project titled 'Development and application of mitigation and adaptation strategies and measures for counteracting the global Urban Heat Islands phenomenon (UHI)' implemented through the Central Europe Program and co-financed by the ERDF.

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Section: London's Heat Islandmentioning

confidence: 99%

The London Heat Island: results from summertime monitoring

Watkins

Palmer

Kolokotroni

et al. 2002

Building Services Engineering Research and Technology

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“…This is because cities retain much of its heat in roads, buildings, and other structures that prevents them from cooling down. The phenomenon has been well documented since the beginning of last century (Schmauss, 1925) and detailed research have been carried out for 60 years (Chandler, 1961;Oke and East, 1971;Lee, 1975;Lyall, 1977;Landsberg, 1981). Short term and long term measurements were conducted to investigate http://dx.doi.org/10.1016/j.solener.2014.05.042 0038-092X/Ó 2014 Elsevier Ltd. All rights reserved.…”

Section: Introductionmentioning

confidence: 98%

Urban heat island and wind flow characteristics of a tropical city

2014

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“…As a consequence of heat balance, air temperatures in densely built urban areas are higher than the temperatures of the surrounding rural country. The phenomenon known as a 'heat island', has been well known since the beginning of last century (SCHMAUSS, 1925), while detailed studies have been available for 60 years (CHANDLER, 1961;OKE and EAST, 1971;LEE, 1975;LYALL, 1977;LANDSBERG, 1981). Extended short or long term measurements carried out using various monitoring methodologies in hundreds of cities of different size (WMO, 1994;URNFIELD, 2003;SANTAMOURIS, 2001SANTAMOURIS, , 2007 have made the heat island the most documented phenomenon of climate change.…”

Section: Introductionmentioning

confidence: 99%

The Impact of Canyon Geometry on Intra Urban and Urban: Suburban Night Temperature Differences Under Warm Weather Conditions

Giannopoulou

Santamouris

Livada

et al. 2010

Pure Appl. Geophys.

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The present paper investigates the impact of canyon geometry on the temperature regime and nocturnal heat island development in the very dense urban area of Athens, Greece. Detailed measurements of air temperature have been carried out within three deep urban canyons of different aspect ratios (H/W = 3, 2.1 and 1.7) during the night period of the summer and autumn of 2007. An analysis was carried out to investigate the relative impact of the canyon geometry, the undisturbed wind velocity, ambient temperature, and cloud cover on the development of a nocturnal heat island. A clear increase of the median, maximum and minimum values of the cooling rates has been observed for decreasing aspect ratios. Under low ambient temperatures, high wind speeds correspond to a substantial rise of the cooling rate in the urban canyons mainly because of the increased convective losses. On the contrary, cooling rates decrease substantially under high-undisturbed wind speeds and ambient temperatures because of the important convective gains. The impact of cloud cover was found to be important as cloudy skies cause a substantial decrease of the cooling rates in the urban canyons. Comparisons were performed between the temperature data collected in the three studied urban canyons and temperatures recorded in an urban as well as a suburban open space station.

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The London Heat‐island in June—july 1976

Cited by 11 publications

References 5 publications

The London Heat Island: results from summertime monitoring

The London Heat Island: results from summertime monitoring

Urban heat island and wind flow characteristics of a tropical city

The Impact of Canyon Geometry on Intra Urban and Urban: Suburban Night Temperature Differences Under Warm Weather Conditions

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