Influence of Leaf Area Index on the Heat Index of a Tropic Urban Park

1
Jonathan Willian Zangeski Novais
Jonathan Willian Zangeski Novais
2
Danielle da Silva Batista
Danielle da Silva Batista
3
Renata Luisa Ferreira
Renata Luisa Ferreira
4
Roberta Daniela de Souza
Roberta Daniela de Souza
5
Thiago Fernandes
Thiago Fernandes
6
Carlo Ralph De Musis
Carlo Ralph De Musis
1 Universidade de Cuiabá - UNIC

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In the wake of climate change, cities need to adapt to global warming. In this context, the use of afforestation to improve the microclimate may assist in raising the quality of life for population. This objective requires research that analyzes how the variations in parameters related to canopy dynamics, such as the leaf area index (LAI) and photosynthetically active radiation (PAR) can influence thermal comfort indices. To contribute to this research, this study measured the air temperature, relative air humidity, PAR, and LAI on a monthly basis from July, 2017, to June, 2018, in an urban park in a tropical region of Brazil. Kriging maps were created for the heat index (HI), and multiple polynomial regression models were adjusted to estimate the HI using PAR and LAI data. After defining the models, positive and negative variations of LAI were tested to observe if any changes in HI occurred. The simulated results showed greater sensitivity to negative variations in LAI, in which a 50% reduction in LAI decreased the HI by 28%, particularly during the dry period.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Jonathan Willian Zangeski Novais. 2021. \u201cInfluence of Leaf Area Index on the Heat Index of a Tropic Urban Park\u201d. Global Journal of Human-Social Science - B: Geography, Environmental Science & Disaster Management GJHSS-B Volume 21 (GJHSS Volume 21 Issue B3): .

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Greater Leash Laws and their effects on tropical habitats. Research on animal control, safety, and environmental impact.
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GJHSS Volume 21 Issue B3
Pg. 51- 62
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Crossref Journal DOI 10.17406/GJHSS

Print ISSN 0975-587X

e-ISSN 2249-460X

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GJHSS-B Classification: FOR Code: 059999
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October 8, 2021

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English

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In the wake of climate change, cities need to adapt to global warming. In this context, the use of afforestation to improve the microclimate may assist in raising the quality of life for population. This objective requires research that analyzes how the variations in parameters related to canopy dynamics, such as the leaf area index (LAI) and photosynthetically active radiation (PAR) can influence thermal comfort indices. To contribute to this research, this study measured the air temperature, relative air humidity, PAR, and LAI on a monthly basis from July, 2017, to June, 2018, in an urban park in a tropical region of Brazil. Kriging maps were created for the heat index (HI), and multiple polynomial regression models were adjusted to estimate the HI using PAR and LAI data. After defining the models, positive and negative variations of LAI were tested to observe if any changes in HI occurred. The simulated results showed greater sensitivity to negative variations in LAI, in which a 50% reduction in LAI decreased the HI by 28%, particularly during the dry period.

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Influence of Leaf Area Index on the Heat Index of a Tropic Urban Park

Jonathan Willian Zangeski Novais
Jonathan Willian Zangeski Novais
Danielle da Silva Batista
Danielle da Silva Batista
Renata Luisa Ferreira
Renata Luisa Ferreira
Roberta Daniela de Souza
Roberta Daniela de Souza
Thiago Fernandes
Thiago Fernandes
Carlo Ralph De Musis
Carlo Ralph De Musis

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