Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Ciência Florestal (Online) |
Texto Completo: | https://periodicos.ufsm.br/cienciaflorestal/article/view/38583 |
Resumo: | The chemical firebreaks consist of bands with applications of fire retardants and are used in the indirect combat of forest fires. Despite its efficiency, the lack of practical use recommendations restricts the application and effectiveness of the products. This paper evaluated the efficiency of fire retardants in controlled burning in area of 6.0 years old of the Eucalyptus urograndis (Eucalyptus grandis x Eucalyptus urophylla) (clone H13) by applying different concentrations of product and volumes of the syrup, after 1.0h of retardants application. Two commercially fire retardants (Phos-Chek WD881® and Hold Fire®) and an alternative (hydro retainer polymer - Nutrigel®) were tested with five concentrations each and volumes of the syrup of 0.5; 1.0 and 2.0 L m-2 (only water and without application syrup were the references). The fire behavior was evaluated through fire propagation speed, flame length (and their respective reduction rates) and the fuel material remaining and consumed. For all the retardants, the increase of volumes of the syrup promoted reduction of fire behavior variables, being recommended an application of syrup equivalent to 2.0 L m-2. The efficiencies of the Phos-Chek WD881® and of Hold Fire® presented increasing linear models with increased concentration improved retarder efficacy, however, the Nutrigel® presented efficiency with quadratic response to increased concentrations. The ideal concentration varied according to the product, recommended 1.0 mL L-1; 1.5 mL L-1; 0.0060 g L-1 for Phos-Chek®, Hold Fire® and Nutrigel®, respectively. |
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Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transitionVolume de calda e concentração de retardantes do fogo em queimas controladas em área de eucalipto na transição Cerrado-AmazôniaForest firesChemical firingIndirect fire fightingHydro retainer polymerIncêndios florestaisAceiros químicosCombate indireto do fogoPolímero hidrorretentorThe chemical firebreaks consist of bands with applications of fire retardants and are used in the indirect combat of forest fires. Despite its efficiency, the lack of practical use recommendations restricts the application and effectiveness of the products. This paper evaluated the efficiency of fire retardants in controlled burning in area of 6.0 years old of the Eucalyptus urograndis (Eucalyptus grandis x Eucalyptus urophylla) (clone H13) by applying different concentrations of product and volumes of the syrup, after 1.0h of retardants application. Two commercially fire retardants (Phos-Chek WD881® and Hold Fire®) and an alternative (hydro retainer polymer - Nutrigel®) were tested with five concentrations each and volumes of the syrup of 0.5; 1.0 and 2.0 L m-2 (only water and without application syrup were the references). The fire behavior was evaluated through fire propagation speed, flame length (and their respective reduction rates) and the fuel material remaining and consumed. For all the retardants, the increase of volumes of the syrup promoted reduction of fire behavior variables, being recommended an application of syrup equivalent to 2.0 L m-2. The efficiencies of the Phos-Chek WD881® and of Hold Fire® presented increasing linear models with increased concentration improved retarder efficacy, however, the Nutrigel® presented efficiency with quadratic response to increased concentrations. The ideal concentration varied according to the product, recommended 1.0 mL L-1; 1.5 mL L-1; 0.0060 g L-1 for Phos-Chek®, Hold Fire® and Nutrigel®, respectively.Os aceiros químicos consistem em faixas com aplicações de retardantes do fogo utilizados no combate indireto de incêndios florestais. Embora eficiente, a inexistência de recomendações de uso prático restringe a aplicação e eficácia dos produtos. Objetivou-se avaliar a eficiência de retardantes do fogo em queimas controladas em área de Eucalyptus urograndis (Eucalyptus grandis x Eucalyptus urophylla) (clone H13) com 6,0 anos de idade, por meio da aplicação de diferentes concentrações e volumes de calda, considerando 1,0 h como tempo pós-aplicação. Foram avaliados três retardantes do fogo: dois comerciais (Phos-Chek WD881® e Hold Fire®) e um alternativo (polímero hidrorretentor: Nutrigel®) com cinco concentrações e nos volumes de calda de 0,5; 1,0 e 2,0 L m-2 (apenas água e sem aplicação de calda foram as referências). O comportamento do fogo foi avaliado pela velocidade de propagação do fogo, comprimento das chamas (e suas respectivas taxas de reduções) e material combustível remanescente e consumido. Para todos os retardantes, o aumento do volume de calda propiciou redução das variáveis do comportamento do fogo, sendo recomendado a aplicação de calda equivalente a 2,0 L m-2. As eficiências do Phos-Chek WD881® e do Hold Fire® apresentaram comportamentos lineares crescentes indicando que o aumento da concentração propiciou maior do controle do fogo, todavia, o Nutrigel® apresentou eficiência com resposta quadrática ao incremento das concentrações. A concentração ideal variou de acordo com o produto, sendo recomendado 1,0 mL L-1; 1,5 mL L-1; 0,0060 g L-1 para Phos-Chek WD881®, Hold Fire® e Nutrigel®, respectivamente.Universidade Federal de Santa Maria2020-04-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/3858310.5902/1980509838583Ciência Florestal; Vol. 30 No. 1 (2020); 205-220Ciência Florestal; v. 30 n. 1 (2020); 205-2201980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/38583/23370Copyright (c) 2020 Ciência Florestalinfo:eu-repo/semantics/openAccessLima, Daiane Cristina deSouza, Adilson Pacheco deCabeceira, Fernando GonçalvesKeffer, Josiane FernandesPizzatto, MarianaBorella, Daniela Roberta2021-05-20T04:00:44Zoai:ojs.pkp.sfu.ca:article/38583Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2021-05-20T04:00:44Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition Volume de calda e concentração de retardantes do fogo em queimas controladas em área de eucalipto na transição Cerrado-Amazônia |
title |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
spellingShingle |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition Lima, Daiane Cristina de Forest fires Chemical firing Indirect fire fighting Hydro retainer polymer Incêndios florestais Aceiros químicos Combate indireto do fogo Polímero hidrorretentor |
title_short |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
title_full |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
title_fullStr |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
title_full_unstemmed |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
title_sort |
Volume of the syrup and the concentration of fire retardants in prescribed burnings in an eucalyptus area in the Cerrado-Amazon transition |
author |
Lima, Daiane Cristina de |
author_facet |
Lima, Daiane Cristina de Souza, Adilson Pacheco de Cabeceira, Fernando Gonçalves Keffer, Josiane Fernandes Pizzatto, Mariana Borella, Daniela Roberta |
author_role |
author |
author2 |
Souza, Adilson Pacheco de Cabeceira, Fernando Gonçalves Keffer, Josiane Fernandes Pizzatto, Mariana Borella, Daniela Roberta |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Lima, Daiane Cristina de Souza, Adilson Pacheco de Cabeceira, Fernando Gonçalves Keffer, Josiane Fernandes Pizzatto, Mariana Borella, Daniela Roberta |
dc.subject.por.fl_str_mv |
Forest fires Chemical firing Indirect fire fighting Hydro retainer polymer Incêndios florestais Aceiros químicos Combate indireto do fogo Polímero hidrorretentor |
topic |
Forest fires Chemical firing Indirect fire fighting Hydro retainer polymer Incêndios florestais Aceiros químicos Combate indireto do fogo Polímero hidrorretentor |
description |
The chemical firebreaks consist of bands with applications of fire retardants and are used in the indirect combat of forest fires. Despite its efficiency, the lack of practical use recommendations restricts the application and effectiveness of the products. This paper evaluated the efficiency of fire retardants in controlled burning in area of 6.0 years old of the Eucalyptus urograndis (Eucalyptus grandis x Eucalyptus urophylla) (clone H13) by applying different concentrations of product and volumes of the syrup, after 1.0h of retardants application. Two commercially fire retardants (Phos-Chek WD881® and Hold Fire®) and an alternative (hydro retainer polymer - Nutrigel®) were tested with five concentrations each and volumes of the syrup of 0.5; 1.0 and 2.0 L m-2 (only water and without application syrup were the references). The fire behavior was evaluated through fire propagation speed, flame length (and their respective reduction rates) and the fuel material remaining and consumed. For all the retardants, the increase of volumes of the syrup promoted reduction of fire behavior variables, being recommended an application of syrup equivalent to 2.0 L m-2. The efficiencies of the Phos-Chek WD881® and of Hold Fire® presented increasing linear models with increased concentration improved retarder efficacy, however, the Nutrigel® presented efficiency with quadratic response to increased concentrations. The ideal concentration varied according to the product, recommended 1.0 mL L-1; 1.5 mL L-1; 0.0060 g L-1 for Phos-Chek®, Hold Fire® and Nutrigel®, respectively. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-04-06 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/38583 10.5902/1980509838583 |
url |
https://periodicos.ufsm.br/cienciaflorestal/article/view/38583 |
identifier_str_mv |
10.5902/1980509838583 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/38583/23370 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2020 Ciência Florestal info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2020 Ciência Florestal |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Ciência Florestal; Vol. 30 No. 1 (2020); 205-220 Ciência Florestal; v. 30 n. 1 (2020); 205-220 1980-5098 0103-9954 reponame:Ciência Florestal (Online) instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Ciência Florestal (Online) |
collection |
Ciência Florestal (Online) |
repository.name.fl_str_mv |
Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br |
_version_ |
1799944134764527616 |