The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2020 |
| Outros Autores: | , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Research, Society and Development |
| Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/8944 |
Resumo: | Water quality is an important tool to support the planning and management of water resources. This article has as its main objective to evaluate changes in the quality of the surface waters of the Timbó stream as a function of flow in an experimental watershed located in São Cristóvão (SE), northeastern Brazil. Four sampling campaigns were carried out in 2018 to evaluate pH, dissolved oxygen, electrical conductivity, total dissolved solids, turbidity and temperature at three collection points. Data on land use and occupation and the flow of the Timbó stream were also obtained. The land use and occupation survey indicated that 51% of the total area of the microbasin is occupied by forests and that 49% is composed of pasture, undergrowth and exposed soil. The correlation analysis identified a strong correlation (p-value <0.05) between the studied parameters, with an emphasis on a direct relationship between Q and TUR (r = 0.9) and Q and O (r = 0.6) and an inversely proportional relationship between TDS and CE (r = -0.8), confirming the results of a principal component analysis, where the parameters contributing the most to the quality of the investigated water resource were CE, TDS, OD and turbidity. |
| id |
UNIFEI_4b2af39bdb359128bf113beacb9c5e4b |
|---|---|
| oai_identifier_str |
oai:ojs.pkp.sfu.ca:article/8944 |
| network_acronym_str |
UNIFEI |
| network_name_str |
Research, Society and Development |
| repository_id_str |
|
| spelling |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern BrazilRelación entre caudal y calidad del agua en una pequeña cuenca costera experimental en el Noreste de BrasilRelação entre vazão e qualidade da água em uma microbacia experimental do tabuleiro costeiro no Nordeste do BrasilRecursos hídricosMonitoramento ambientalUso do solo.Water resourcesEnvironmental monitoringSoil use.Recursos hídricosMonitoreo ambientalUso del suelo.Water quality is an important tool to support the planning and management of water resources. This article has as its main objective to evaluate changes in the quality of the surface waters of the Timbó stream as a function of flow in an experimental watershed located in São Cristóvão (SE), northeastern Brazil. Four sampling campaigns were carried out in 2018 to evaluate pH, dissolved oxygen, electrical conductivity, total dissolved solids, turbidity and temperature at three collection points. Data on land use and occupation and the flow of the Timbó stream were also obtained. The land use and occupation survey indicated that 51% of the total area of the microbasin is occupied by forests and that 49% is composed of pasture, undergrowth and exposed soil. The correlation analysis identified a strong correlation (p-value <0.05) between the studied parameters, with an emphasis on a direct relationship between Q and TUR (r = 0.9) and Q and O (r = 0.6) and an inversely proportional relationship between TDS and CE (r = -0.8), confirming the results of a principal component analysis, where the parameters contributing the most to the quality of the investigated water resource were CE, TDS, OD and turbidity.La calidad del agua es una herramienta importante para apoyar la planificación y gestión de los recursos hídricos. Este artículo tiene como objetivo principal evaluar los cambios en la calidad de las aguas superficiales del arroyo Timbó en función del caudal, en una pequeña cuenca experimental, en São Cristóvão (SE), nordeste de Brasil. En 2018 se realizaron cuatro campañas de muestreo, para evaluar los parámetros pH, oxígeno disuelto, conductividad eléctrica, sólidos disueltos totales, turbidez y temperatura, en tres puntos de recolección. También se obtuvieron datos sobre uso y ocupación del suelo y caudal del arroyo Timbó. La encuesta de uso y ocupación de la tierra mostró que el 51% del área total de la pequeña cuenca está ocupada por bosques y que el 49% está compuesto por pastos, sotobosque y suelo expuesto. El análisis de correlación identificó una fuerte correlación (p-valor <0,05) entre los parámetros estudiados, con énfasis en la relación directa entre los valores de Q y TUR (r = 0,9) y Q y O (r = 0,6) y para la relación inversamente proporcional entre los valores de TDS y CE (r = -0,8), lo que confirma los resultados encontrados en el análisis de componentes principales, donde los parámetros que obtuvieron las mayores contribuciones a la calidad del recurso hídrico investigado fueron la CE, TDS, OD y turbidez.A qualidade da água é um importante instrumento de apoio ao planejamento e gestão dos recursos hídricos. Este artigo tem como principal objetivo avaliar as alterações na qualidade das águas superficiais do riacho Timbó em função da vazão, em uma microbacia experimental, em São Cristóvão (SE), nordeste do Brasil. Quatro campanhas de amostragem foram realizadas em 2018, para avaliação dos parâmetros pH, oxigênio dissolvido, condutividade elétrica, sólidos totais dissolvidos, turbidez e temperatura, em três pontos de coleta. Também foram obtidos dados de uso e ocupação do solo e vazão do riacho Timbó. O levantamento de uso e ocupação do solo mostrou que 51% da área total da microbacia é ocupada por floresta e que 49% é composto por pastagem, vegetação rasteira e solo exposto. A análise de correlação identificou forte correlação (p-value < 0.05) entre os parâmetros estudados, com destaque para a relação direta entre os valores de Q e TUR (r = 0.9) e Q e O (r = 0.6) e para a relação inversamente proporcional entre os valores de TDS e CE (r = -0.8), ratificando os resultados encontrados na análise de componentes principais, onde os parâmetro que obtiveram maiores contribuições para a qualidade do recurso hídrico investigado foram a CE, TDS, OD e turbidez.Research, Society and Development2020-10-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/894410.33448/rsd-v9i10.8944Research, Society and Development; Vol. 9 No. 10; e7129108944Research, Society and Development; Vol. 9 Núm. 10; e7129108944Research, Society and Development; v. 9 n. 10; e71291089442525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIenghttps://rsdjournal.org/index.php/rsd/article/view/8944/8245Copyright (c) 2020 Karina Ribeiro da Silva; Weslei Almeida Santos; Joel Marques da Silva; Igor Vieira Leite; José Augusto Oliveira Junior; André Quintão Almeida; Carlos Alexandre Borges Garcia; Silvânio Silvério Lopes da Costahttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessSilva, Karina Ribeiro da Santos, Weslei AlmeidaSilva, Joel Marques daLeite, Igor VieiraOliveira Junior, José AugustoAlmeida, André QuintãoGarcia, Carlos Alexandre BorgesCosta, Silvânio Silvério Lopes da2020-10-31T12:03:23Zoai:ojs.pkp.sfu.ca:article/8944Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:31:18.399475Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
| dc.title.none.fl_str_mv |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil Relación entre caudal y calidad del agua en una pequeña cuenca costera experimental en el Noreste de Brasil Relação entre vazão e qualidade da água em uma microbacia experimental do tabuleiro costeiro no Nordeste do Brasil |
| title |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| spellingShingle |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil Silva, Karina Ribeiro da Recursos hídricos Monitoramento ambiental Uso do solo. Water resources Environmental monitoring Soil use. Recursos hídricos Monitoreo ambiental Uso del suelo. |
| title_short |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| title_full |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| title_fullStr |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| title_full_unstemmed |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| title_sort |
The relationship between water flow and water quality in an experimental coastal watershed microbasin in Northeastern Brazil |
| author |
Silva, Karina Ribeiro da |
| author_facet |
Silva, Karina Ribeiro da Santos, Weslei Almeida Silva, Joel Marques da Leite, Igor Vieira Oliveira Junior, José Augusto Almeida, André Quintão Garcia, Carlos Alexandre Borges Costa, Silvânio Silvério Lopes da |
| author_role |
author |
| author2 |
Santos, Weslei Almeida Silva, Joel Marques da Leite, Igor Vieira Oliveira Junior, José Augusto Almeida, André Quintão Garcia, Carlos Alexandre Borges Costa, Silvânio Silvério Lopes da |
| author2_role |
author author author author author author author |
| dc.contributor.author.fl_str_mv |
Silva, Karina Ribeiro da Santos, Weslei Almeida Silva, Joel Marques da Leite, Igor Vieira Oliveira Junior, José Augusto Almeida, André Quintão Garcia, Carlos Alexandre Borges Costa, Silvânio Silvério Lopes da |
| dc.subject.por.fl_str_mv |
Recursos hídricos Monitoramento ambiental Uso do solo. Water resources Environmental monitoring Soil use. Recursos hídricos Monitoreo ambiental Uso del suelo. |
| topic |
Recursos hídricos Monitoramento ambiental Uso do solo. Water resources Environmental monitoring Soil use. Recursos hídricos Monitoreo ambiental Uso del suelo. |
| description |
Water quality is an important tool to support the planning and management of water resources. This article has as its main objective to evaluate changes in the quality of the surface waters of the Timbó stream as a function of flow in an experimental watershed located in São Cristóvão (SE), northeastern Brazil. Four sampling campaigns were carried out in 2018 to evaluate pH, dissolved oxygen, electrical conductivity, total dissolved solids, turbidity and temperature at three collection points. Data on land use and occupation and the flow of the Timbó stream were also obtained. The land use and occupation survey indicated that 51% of the total area of the microbasin is occupied by forests and that 49% is composed of pasture, undergrowth and exposed soil. The correlation analysis identified a strong correlation (p-value <0.05) between the studied parameters, with an emphasis on a direct relationship between Q and TUR (r = 0.9) and Q and O (r = 0.6) and an inversely proportional relationship between TDS and CE (r = -0.8), confirming the results of a principal component analysis, where the parameters contributing the most to the quality of the investigated water resource were CE, TDS, OD and turbidity. |
| publishDate |
2020 |
| dc.date.none.fl_str_mv |
2020-10-16 |
| 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://rsdjournal.org/index.php/rsd/article/view/8944 10.33448/rsd-v9i10.8944 |
| url |
https://rsdjournal.org/index.php/rsd/article/view/8944 |
| identifier_str_mv |
10.33448/rsd-v9i10.8944 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/8944/8245 |
| dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
application/pdf |
| dc.publisher.none.fl_str_mv |
Research, Society and Development |
| publisher.none.fl_str_mv |
Research, Society and Development |
| dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 9 No. 10; e7129108944 Research, Society and Development; Vol. 9 Núm. 10; e7129108944 Research, Society and Development; v. 9 n. 10; e7129108944 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
| instname_str |
Universidade Federal de Itajubá (UNIFEI) |
| instacron_str |
UNIFEI |
| institution |
UNIFEI |
| reponame_str |
Research, Society and Development |
| collection |
Research, Society and Development |
| repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
| repository.mail.fl_str_mv |
rsd.articles@gmail.com |
| _version_ |
1797052660870807552 |