Assessment of land surface temperature and heat fluxes over Delhi using remote sensing data

Journal of Environmental Management
Surya Deb ChakrabortyDebashis Mitra

Abstract

Surface energy processes has an essential role in urban weather, climate and hydrosphere cycles, as well in urban heat redistribution. The research was undertaken to analyze the potential of Landsat and MODIS data in retrieving biophysical parameters in estimating land surface temperature & heat fluxes diurnally in summer and winter seasons of years 2000 and 2010 and understanding its effect on anthropogenic heat disturbance over Delhi and surrounding region. Results show that during years 2000-2010, settlement and industrial area increased from 5.66 to 11.74% and 4.92 to 11.87% respectively which in turn has direct effect on land surface temperature (LST) and heat fluxes including anthropogenic heat flux. Based on the energy balance model for land surface, a method to estimate the increase in anthropogenic heat flux (Has) has been proposed. The settlement and industrial areas has higher amounts of energy consumed and has high values of Has in all seasons. The comparison of satellite derived LST with that of field measured values show that Landsat estimated values are in close agreement within error of ±2 °C than MODIS with an error of ±3 °C. It was observed that, during 2000 and 2010, the average change in surface temperature ...Continue Reading

References

Jun 25, 2008·Journal of Environmental Sciences (China)·Rizwan Ahmed MemonLiu Chunho

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Citations

Feb 16, 2016·The Science of the Total Environment·Marco MorabitoMichele Munafò
Nov 26, 2015·Environmental Science & Technology·Susanne A BenzPhilipp Blum
Sep 22, 2017·International Journal of Environmental Research and Public Health·Xinping ZhangYouning Hu
Dec 29, 2020·Environmental Science. Processes & Impacts·Dhruv NandaDebadatta Swain
Mar 9, 2021·Journal of Environmental Management·Mohammad Karimi FirozjaeiSeyed Kazem Alavipanah
May 6, 2021·International Journal of Environmental Research and Public Health·Bruce C MitchellPratyusha Basu

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