Remote sensing of land cover’s effect on surface temperatures : a case study of the urban heat island in Bangalore, India

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Remote sensing of land cover’s effect on surface temperatures : a case study of the urban heat island in Bangalore, India

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Ambinakudige, Shrinidhi. Monash University. Faculty of Arts; 2011. Remote sensing of land cover’s effect on surface temperatures : a case study of the urban heat island in Bangalore, India.

Please use this identifier to cite or link to this item: http://arrow.monash.edu.au/hdl/1959.1/483607

Title: Remote sensing of land cover’s effect on surface temperatures : a case study of the urban heat island in Bangalore, India
Creator: Ambinakudige, Shrinidhi
Contributor: Monash University. Faculty of Arts. School of Geography and Environmental Science.
Subject: Urban heat island
Subject: NDVI
Subject: Landsat
Subject: Thermal infrared band
Subject: Bangalore
Date: 2011
Publisher: Monash University. Faculty of Arts
Description: Urbanization has substantially altered the earth’s surface, and cities’ impervious surfaces for anthropogenic activities often generate an urban heat island (UHI). This paper analyses the effects of the UHI in Bangalore, which in recent years has witnessed tremendous in-migration of people and expansion of infrastructure due to rapid growth of its information technology, biotechnology and manufacturing sectors. Temperature values extracted from the Landsat satellite’s Enhanced Thematic Mapper Plus (ETM+) thermal bands and a “Normalized Difference Vegetation Index” (NDVI) were used to ascertain the relationship between vegetation cover and temperature. Results indicate that the city core has a significantly lower mean temperature than the city’s outgrowth zones. The presence of water bodies and vegetation in the city’s core helped to maintain lower temperatures than those found in the city’s outskirts, even though within the city core temperatures varied from 1 to 7° C within different land cover classes. The continued expansion of urban infrastructure and new, residential neighborhoods which lack vegetation seem to be contributing substantially to higher temperatures in the outgrowth zones.

Identifier: Ambinakudige, S. Remote sensing of land cover’s effect on surface temperatures : a case study of the urban heat island in Bangalore, India, Applied GIS. 2011; 7(1), 1-12
Identifier: http://arrow.monash.edu.au/hdl/1959.1/483607
Identifier: monash:64232
RM Identifier: $rmid
Publication Category: $pubCat
Language: eng
Relation: http://www.appliedgis.net
Type: journal article
Type: Collection. Applied GIS
Type: Monash open access journal
Source: 1832-5505

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