title: Volatile Organic Compounds in the Atmosphere of the Botanical Garden of the City of Rio de Janeiro: A Preliminary Study.
abstract: Volatile organic compounds (VOCs) play a central role in atmospheric chemistry. In this work, VOCs in the Botanical Garden of Rio de Janeiro were determined using the TO-15 Method. The park occupies 1,370,000 m2in the southern area of the city and is next to the Tijuca Forest, which is considered the largest secondary urban forest in the world. The total VOC concentrations ranged from 43.52 to 168.75 µg m-3, depending on the sampling site and dates. In terms of concentration isoprene represented 4 %-14 % of the total VOC masses. The results suggested that the differences in biomass, distance from the street and activities within the park affected the concentrations of VOCs. The ratios of isoprene/aromatic compounds were higher than those determined in other areas of the city, confirming that the atmosphere of this green area has the contribution of other sources. Kinetic and mechanistic reactivities were also evaluated.
authors.affiliation: Instituto de Química, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, Bloco A, Sala 402A, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21949-900, Brazil.|Faculdade de Tecnologia, Universidade do Estado do Rio de Janeiro, Rodovia Presidente Dutra, km 298, Resende, RJ, 27537-000, Brazil.
authors.forename: Cleyton Martins
authors.initials: CM
authors.lastname: da Silva
authors.affiliation: Instituto de Química, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, Bloco A, Sala 402A, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21949-900, Brazil.
authors.forename: Elaine Cesar C A
authors.initials: EC
authors.lastname: Souza
authors.affiliation: Instituto de Química, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, Bloco A, Sala 402A, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21949-900, Brazil.
authors.forename: Luane Lima
authors.initials: LL
authors.lastname: da Silva
authors.affiliation: Instituto de Química, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, Bloco A, Sala 402A, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21949-900, Brazil.
authors.forename: Rafael Lopes
authors.initials: RL
authors.lastname: Oliveira
authors.affiliation: Faculdade de Tecnologia, Universidade do Estado do Rio de Janeiro, Rodovia Presidente Dutra, km 298, Resende, RJ, 27537-000, Brazil.
authors.forename: Sergio Machado
authors.initials: SM
authors.lastname: Corrêa
authors.affiliation: Instituto de Química, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, Bloco A, Sala 402A, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, 21949-900, Brazil. gracielaiq@gmail.com.
authors.forename: Graciela
authors.identifier: http://orcid.org/0000-0001-7732-8336
authors.initials: G
authors.lastname: Arbilla
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D001272:Atmosphere / Q000737:chemistry*; D001938:Brazil; D002070:Butadienes / Q000032:analysis; D002947:Cities; D004784:Environmental Monitoring; D000072506:Gardens; D045782:Hemiterpenes / Q000032:analysis; D010420:Pentanes / Q000032:analysis; D055549:Volatile Organic Compounds / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D002070:Butadienes; D045782:Hemiterpenes; D010420:Pentanes; D055549:Volatile Organic Compounds; C005059:isoprene
keywords: Botanical garden; Isoprene; Urban parks; Volatile organic compounds