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\begin{document}

\title{Assessment of~ diurnal urban heat island (UHI) intensity in
microclimatic urban environment~ using Local climate zone classification
approach -AGU23 Fall Meeting}



\author[1]{Ashish Mishra}%
\author[1]{Dhyan Singh Arya}%
\affil[1]{Affiliation not available}%


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  \date{May 24, 2024}


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\begin{abstract}
Urban Heat Island (UHI) effects have significant implications on the
microclimatic conditions in urban environments, impacting human health,
energy consumption, and overall urban planning. This study aims to
assess the diurnal intensity of UHI in a microclimatic urban setting by
adopting the Local Climate Zone (LCZ) classification approach. We
utilized a combination of remote sensing data, ground-based
measurements, and LCZ classification to analyze the temporal and spatial
variation of UHI intensity throughout the day and night. The study area,
Dehradun city, a densely populated urban area situated in the valley
region of Himalayas, exhibited diverse LCZs, including compact low-rise,
dense trees, and open spaces. Using satellite-derived land surface
temperature (LST) data and hourly in-situ measurements, we quantified
the UHI effect during daytime and nighttime hours. The results revealed
distinct diurnal patterns of UHI intensity among different LCZs, with
peak intensity occurring during late afternoon and early evening hours.
Furthermore, we investigated the impact of vegetation and built-up
characteristics on UHI variation, highlighting the cooling effect of
green spaces and the amplifying effect of impervious surfaces. This
research contributes to a better understanding of microclimatic urban
environments and their relation to UHI dynamics, providing valuable
insights for urban planners, policymakers, and researchers aiming to
mitigate heat-related issues and promote sustainable urban development.
The findings underscore the importance of considering local land-use
patterns and urban morphology when assessing and managing UHI effects.%
\end{abstract}%



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