Surface Urban Heat Island for the Cities of Asunción and Montevideo During 2001-2016

Autores

DOI:

https://doi.org/10.11137/1982-3908_2026_49_68846

Palavras-chave:

Vegetation index, Microclimate, Land use

Resumo

This contribution estimates the Surface Urban Heat Island (SUHI) intensity during the period 2001-2016 for the Metropolitan Areas of Asunción (AMA) and Montevideo (AMM), located in Paraguay and Uruguay respectively. To quantify the SUHI, the quantile method was used at 0.05° resolution, obtained from the MODerate resolution Imaging Spectroradiometer (MODIS) sensor on board the TERRA and AQUA satellites. The daytime SUHI intensity, obtained with the quantile method in the AMA and AMM, shows the maximum value in December, 4.5 ºC and 0.5 ºC respectively. The quantile method proves to be a robust approach for estimating SUHI intensity, as it is independent of terrain geometry and topography. The analysis defined urban, transitional, and rural areas using the International Geosphere Biosphere Programme (IGBP) method, and was conducted at a scale temporal monthly. Results indicate a consistent increase in urban surface temperatures, particularly in rapidly growing cities, intensifying thermal stress. This study contributes by analyzing the increase in surface temperature, providing a reliable framework for SUHI assessment and supporting targeted urban planning strategies.

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Biografia do Autor

Julio Miguel, Universidad Nacional Intercultural de la Selva Central Juan Santos Atahualpa

Professor and Researcher, Environmental Engineer from the Alas Peruanas University, with a Master's degree in Environmental Engineering from the National University of Central Peru, participant in the Antarctic expedition ANTAR XXI-2013, to measure the physical properties of atmospheric aerosols. I have also published scientific articles related to air pollution and urban heat islands, the latter focused on urban meteorology. With interest and advances in research related to the formation of storms in the Andean region of Peru, due to multiple factors such as urban heat islands or atmospheric particles.

Aldo Ariel Ocampo González, Universidad Nacional del Centro del Perú, Huancayo, Perú

Universidad Nacional del Centro del Perú, Huancayo, Perú

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Publicado

2026-10-01

Como Citar

Miguel, J. e Ocampo González, A. A. (2026) “Surface Urban Heat Island for the Cities of Asunción and Montevideo During 2001-2016”, Anuário do Instituto de Geociências. Rio de Janeiro, BR, 49. doi: 10.11137/1982-3908_2026_49_68846.

Edição

v. 49 (2026): Anuário do Instituto de Geociências

Seção

Meteorologia

Licença

Creative Commons License
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.

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