Role of Local Level Relative Humidity on the Development of Urban Heat Island Across the Delhi Metropolitan Region

Author(s):  
Shouraseni Sen Roy ◽  
R. B. Singh
2014 ◽  
Vol 493 ◽  
pp. 662-671 ◽  
Author(s):  
Kieron J. Doick ◽  
Andrew Peace ◽  
Tony R. Hutchings

2018 ◽  
Vol 18 (1) ◽  
pp. 178-187 ◽  
Author(s):  
Anita Bokwa ◽  
Agnieszka Wypych ◽  
Monika J. Hajto

2004 ◽  
Vol 43 (3) ◽  
pp. 476-486 ◽  
Author(s):  
Timothy W. Hawkins ◽  
Anthony J. Brazel ◽  
William L. Stefanov ◽  
Wendy Bigler ◽  
Erinanne M. Saffell

2005 ◽  
Vol 28 (2) ◽  
pp. 116-138
Author(s):  
Nilton Oliveira Moraes ◽  
Edilson Marton ◽  
Luiz Cláudio Gomes Pimentel

The differents characteristics of ground covering in the Rio de Janeiro Metropolitan Region, where regions with high percentage of asphalt and concrete are surrounded for rural areas, determine the appearance of a temperature horizontal gradient knowledge as urban heat island phenomenon. Besides, diverse scientific works have demonstrated the influence of the mesoescale atmospheric circulation and synoptic scale in the urban heat island formation and dissipation. The main subjetive of study consists in analyze from simulated results, with the mesoescale model MM5, and observacionals data, the influence of synoptic systems and locals characteristics of the RMRJ in the formation and dissipation of urban heat island.


Author(s):  
José M. Cuadrat ◽  
Roberto Serrano-Notivoli ◽  
Samuel Barrao ◽  
Miguel Ángel Saz ◽  
Ernesto Tejedor

We analyse the temporal intensity and variability of the urban heat island (UHI) in the city of Zaragoza (Spain), and assess the role of wind as an important atmospheric conditioning factor. Based on the time data provided by the city’s urban mesoscale meteorological network, the temperature difference between two observatories, one urban (Plaza Santa Marta) and one located on the outskirts of the urban area (Ciudad Deportiva), was calculated for the 2015-2020 period. The results indicate that the temperature in the city centre is very frequently 1º or 2ºC higher than in the surroundings, sometimes even more than 8ºC higher. The UHI is more intense in summer (an average of 2.5ºC per hour) than in winter (an average of 2.2ºC per hour) and more intense during the night than during the day. The maximum UHI value is reached in calm atmospheric situations; however, this value is very limited with winds over 10 km/h and it practically disappears with wind speeds over 50 km/h.


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