Assessment of Urban Heat Island Intensities Over Delhi

A field campaign was undertaken during summer, May 2008 named DELHI-I (Delhi Experiments to Learn Heat
Island Intensity –I) to understand the latest intensity and dynamics of heat-island phenomena in Delhi, Surface
meteorological observations were performed using multisite ground based mini weather stations and
meteorological towers. Urban heat island effects were found to be most dominant in areas of dense built up
infrastructure and intense human activity. Higher magnitude of UHI observed during day hours in summer is
expected to increase cooling energy requirements in tropical cities such as Delhi and further strengthen the UHI
leading to vicious cycle problem.

Additional credits:

Yukihiro Kikegawa (Meisei University)

B.R. Gurjar (Indian Institute of Technology – Roorkee)

Shweta Bhati (Indian Institute of Technology – Delhi)

Anurag Kandya (Indian Institute of Technology – Delhi)

Koichi Ogawa (Meisei University)

Source: The Seventh International Conference on Urban Climate

Publication Date: July 2009

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