Relationship between land use/cover and surface temperatures in the urban agglomeration of Cuiabá-Várzea Grande, Central Brazil

Callejas, Ivan Júlio Apolônio; de Oliveira, Angela Santana; de Moura Santos, Flávia Maria; Durante, Luciane Cleonice; de Jesus Albuquerque Nogueira, Marta Cristina; Zeilhofer, Peter

doi:doi:10.1117/1.3666044

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Journal of Applied Remote Sensing / Volume 5 / Research Papers

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Relationship between land use/cover and surface temperatures in the urban agglomeration of Cuiabá-Várzea Grande, Central Brazil

J. Appl. Remote Sens. 5, 053569 (Dec 12, 2011); http://dx.doi.org/10.1117/1.3666044

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Abstract

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Ivan Júlio Apolônio Callejas, Angela Santana de Oliveira, Flávia Maria de Moura Santos, Luciane Cleonice Durante, Marta Cristina de Jesus Albuquerque Nogueira, and Peter Zeilhofer

Federal University of Mato Grosso, Department of Architecture, Av. Fernando Corrêa da Costa s/n, Cuiabá, Mato Grosso 78000-000, Brazil

We focus on the surface urban heat island (SUHI) and the spatiotemporal relationship between land use and surface temperatures (T_s) in Cuiabá-Várzea Grande, Mato Grosso, one of the major urban agglomerations of central-western Brazil, which has suffered intense urbanization processes since the 1960s. Supervised maximum likelihood classifications of optical bands of Landsat Thematic Mapper (Landsat TM) imagery from 1986 and 2007 are applied to generate land use/cover maps. Surface emissivity is determined using the logarithmic transformation of the normalized difference vegetation index. The T_s is retrieved from the thermal bands utilizing a radiative transfer equation. In both cities, urban expansion followed two main development axes, which are reflected in the spatial patterns of T_s. The highest values of T_s were found in bare soil and urbanized areas. Between 1986 and 2007, T_s increased 0.96°C on average and a maximum of 5.49°C in the urban agglomeration. The SUHI in Várzea Grande suffered intensification with an increase of 1.34°C in the downtown area. This tendency was stronger in the center of Cuiabá, where T_s increased 3.12°C. Slowing this rapid rate of temperature increase would demand decisive intervention by municipal authorities, such as restricting annual occupation taxes, reducing the occupation coefficient in new districts, preserving native vegetation, and designating new green areas.

History

Received May 05, 2011
Accepted Nov 15, 2011
Revised Nov 09, 2011
Published online Dec 12, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3666044

Citation

Ivan Júlio Apolônio Callejas, Angela Santana de Oliveira, Flávia Maria de Moura Santos, Luciane Cleonice Durante, Marta Cristina de Jesus Albuquerque Nogueira and Peter Zeilhofer, "Relationship between land use/cover and surface temperatures in the urban agglomeration of Cuiabá-Várzea Grande, Central Brazil", J. Appl. Remote Sens. 5, 053569 (Dec 12, 2011); http://dx.doi.org/10.1117/1.3666044