Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8080 |
Resumo: | The removal of vegetation allied to climatic changes alter the balance between rainfall, evapotranspiration and surface runoff of water in the soil. The understanding of the interactions between hydrology and land use change is essential for understanding hydrological functioning and climate trends. The objective of this study was to analyze the interception of rainfall in two caatinga fragments through mathematical modeling and remote sensing techniques and to evaluate the runoff of water in the soil by the runoff curve number (CN) in areas of caatinga and pasture in the semi-arid region of Pernambuco. The work was carried out in a degraded pasture (PD) and three areas of caatinga, one preserved (CP), another with predominance of angico (CA) and a third in regeneration (CR), located in the municipality of Serra Talhada - PE. Interception of rainfall (I) was evaluated only in the areas of CP and CA. Rainfall data (Pext) were obtained with a pluviometer pleaced above the canopy vegetation, while the throughfall data (Pint) were manually collected with pluviometers pleaced below the canopy vegetation. Rainfall interception data (I), defined by the difference between P and Pint, were fit to the data from exponential equation (P versus I) whose parameters describe the maximum storage capacity of the canopy (Smax) and the canopy openness (k). Four experimental sites were installed for soil water runoff (ES) measurements in each of the four areas (PD, CP, CA and CR). For this, a standard plot (1.02 m2) was used, surrounded by galvanized sheet, interconnected to a channel that led to the water drained to the collecting tanks. It applied the method curve number of Soil Conservation Service (CN-SCS) to obtain the value of the maximum infiltration capacity (S), fitting the observed data (Pext versus ES) in the four experimental areas and imposing the coefficients of (𝜆) equal to 0.1 and 0.2. Parallel to obtain CN were adjusted linear regressions between ES and Pext to compare the performance with the method curve number. To evaluate the performance, were used the mean square error (EQM), the Nash-Sutcliffe efficiency coefficient (CNS) and the coefficient of determination (R2). The interception corresponded to 33.6 and 40% of total rainfall, in both areas, CP and CA, respectively. The observed data were well adjusted to the proposed model and the correlation between Smax and N' (NDVI mean + NDVI maximum / 2) obtained in each plot allowed spatialisation in both tropical dry forests fragments. The CN values obtained with λ = 0.1 estimated the runoff better than those obtained with λ = 0.2. As the CN values generated in this work approximated those of the Soil Conservation Service (SCS) for similar conditions of use and land cover, they can be used to estimate the ES of areas that present the same conditions reported in this study. |
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SOUZA, Eduardo Soares deSOUZA, Eduardo Soares deMOURA, Albert Einsten Spindola SaraivaAMORIM, Laerte Bezerra dehttp://lattes.cnpq.br/0343031182551501SILVA, Debora Cristina da2019-06-03T14:14:33Z2017-02-17SILVA, Debora Cristina da. Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano. 2017. 59 f. Dissertação (Programa de Pós-Graduação em Produção Vegetal) - Universidade Federal Rural de Pernambuco, Serra Talhada.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8080The removal of vegetation allied to climatic changes alter the balance between rainfall, evapotranspiration and surface runoff of water in the soil. The understanding of the interactions between hydrology and land use change is essential for understanding hydrological functioning and climate trends. The objective of this study was to analyze the interception of rainfall in two caatinga fragments through mathematical modeling and remote sensing techniques and to evaluate the runoff of water in the soil by the runoff curve number (CN) in areas of caatinga and pasture in the semi-arid region of Pernambuco. The work was carried out in a degraded pasture (PD) and three areas of caatinga, one preserved (CP), another with predominance of angico (CA) and a third in regeneration (CR), located in the municipality of Serra Talhada - PE. Interception of rainfall (I) was evaluated only in the areas of CP and CA. Rainfall data (Pext) were obtained with a pluviometer pleaced above the canopy vegetation, while the throughfall data (Pint) were manually collected with pluviometers pleaced below the canopy vegetation. Rainfall interception data (I), defined by the difference between P and Pint, were fit to the data from exponential equation (P versus I) whose parameters describe the maximum storage capacity of the canopy (Smax) and the canopy openness (k). Four experimental sites were installed for soil water runoff (ES) measurements in each of the four areas (PD, CP, CA and CR). For this, a standard plot (1.02 m2) was used, surrounded by galvanized sheet, interconnected to a channel that led to the water drained to the collecting tanks. It applied the method curve number of Soil Conservation Service (CN-SCS) to obtain the value of the maximum infiltration capacity (S), fitting the observed data (Pext versus ES) in the four experimental areas and imposing the coefficients of (𝜆) equal to 0.1 and 0.2. Parallel to obtain CN were adjusted linear regressions between ES and Pext to compare the performance with the method curve number. To evaluate the performance, were used the mean square error (EQM), the Nash-Sutcliffe efficiency coefficient (CNS) and the coefficient of determination (R2). The interception corresponded to 33.6 and 40% of total rainfall, in both areas, CP and CA, respectively. The observed data were well adjusted to the proposed model and the correlation between Smax and N' (NDVI mean + NDVI maximum / 2) obtained in each plot allowed spatialisation in both tropical dry forests fragments. The CN values obtained with λ = 0.1 estimated the runoff better than those obtained with λ = 0.2. As the CN values generated in this work approximated those of the Soil Conservation Service (SCS) for similar conditions of use and land cover, they can be used to estimate the ES of areas that present the same conditions reported in this study.A retirada da vegetação aliada às mudanças climáticas altera o equilíbrio entre a precipitação pluvial, evapotranspiração e o escoamento superficial de água no solo. A compreensão das interações entre a hidrologia e a mudança no uso da terra é essencial para o entendimento do funcionamento hidrológico e as tendências climáticas. Propôs-se nesse estudo analisar a interceptação da chuva em dois fragmentos de caatinga por meio da modelagem e técnicas de sensoriamento remoto e avaliar o escoamento superficial de água no solo, pelo método da curva número, em áreas de caatinga e pastagem no semiárido pernambucano. O trabalho foi conduzido em uma área de pastagem degradada (PD) e em três áreas de caatinga, sendo uma preservada (CP), outra com predominância de angico (CA) e uma terceira em regeneração (CR), situadas no município de Serra Talhada – PE. A interceptação da chuva (I) foi avaliada apenas nas áreas de CP e CA. Os dados de chuva (Pext) foram obtidos com pluviômetro instalado acima do dossel da vegetação, enquanto que os dados de chuva interna (Pint) foram monitorados com pluviômetros instalados abaixo do dossel da vegetação. Os dados de interceptação da chuva (I), definidos pela diferença entre Pext e Pint, foram modelados por meio de uma equação exponencial (P versus I) cujos parâmetros descrevem a capacidade máxima de armazenamento da água pelo dossel (Smax) e a abertura do dossel (k). Foram instalados quatro sítios experimentais para as medidas de escoamento superficial (ES) da água no solo, em cada uma das quatro áreas (PD, CP, CA e CR). Para isso foi utilizada uma parcela padrão (1,02 m2), cercada por chapa galvanizada, interligada a uma calha que conduzia a água escoada à tanques coletores. Aplicou-se o método da Curva Número do Soil Conservation Service (CN-SCS) para obter o valor da capacidade máxima de infiltração (S), ajustando-se aos dados observados (Pext versus ES) nas quatro áreas experimentais e impondo os coeficientes de abstração (𝜆) iguais a 0,1 e 0,2. Paralelo à obtenção do CN também foram ajustadas regressões lineares entre Pext e ES para comparar o desempenho com o método da curva número. Para avaliar o desempenho utilizou-se o erro quadrático médio (EQM), o coeficiente de eficiência de Nash–Sutcliffe (CNS) e o coeficiente de determinação (R2). A interceptação correspondeu a 33,7 e 41,8% do total da chuva, na área de CP e de CA, respectivamente. Os dados observados se ajustaram bem ao modelo proposto e a correlação entre o Smax e o intervalo (N’ = NDVI médio + NDVI máximo/2) obtidos em cada parcela, possibilitou a espacialização da I na CP e CA. Os valores da CN obtidos com λ = 0,1 estimou melhor o escoamento superficial do que aqueles obtidos com λ = 0,2. Como os valores da CN gerados nesse trabalho se aproximaram aos do Soil Conservation Service (SCS) para condições similares de uso e cobertura do solo, podem ser utilizados na estimativa do ES de áreas que apresentem as mesmas condições reportadas nesse estudo.Submitted by Mario BC (mario@bc.ufrpe.br) on 2019-06-03T14:14:33Z No. of bitstreams: 1 Debora Cristina da Silva.pdf: 1394649 bytes, checksum: 3330bc89228a11d289e2e45e100f0298 (MD5)Made available in DSpace on 2019-06-03T14:14:33Z (GMT). No. of bitstreams: 1 Debora Cristina da Silva.pdf: 1394649 bytes, checksum: 3330bc89228a11d289e2e45e100f0298 (MD5) Previous issue date: 2017-02-17Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Produção VegetalUFRPEBrasilUnidade Acadêmica de Serra TalhadaPrecipitação (Meteorologia)Modelagem hidrológicaÁguaCaatingaFITOTECNIA::MELHORAMENTO VEGETALInterceptação da chuva e escoamento superficial de água no solo no semiárido pernambucanoinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-1747323715939935130600600600600-696890503755266288426156072994701319672075167498588264571info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPEORIGINALDebora Cristina da Silva.pdfDebora Cristina da Silva.pdfapplication/pdf1394649http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8080/2/Debora+Cristina+da+Silva.pdf3330bc89228a11d289e2e45e100f0298MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8080/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede2/80802023-06-12 16:57:20.335oai:tede2: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Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2024-05-28T12:36:30.115823Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
title |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
spellingShingle |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano SILVA, Debora Cristina da Precipitação (Meteorologia) Modelagem hidrológica Água Caatinga FITOTECNIA::MELHORAMENTO VEGETAL |
title_short |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
title_full |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
title_fullStr |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
title_full_unstemmed |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
title_sort |
Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano |
author |
SILVA, Debora Cristina da |
author_facet |
SILVA, Debora Cristina da |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
SOUZA, Eduardo Soares de |
dc.contributor.referee1.fl_str_mv |
SOUZA, Eduardo Soares de |
dc.contributor.referee2.fl_str_mv |
MOURA, Albert Einsten Spindola Saraiva |
dc.contributor.referee3.fl_str_mv |
AMORIM, Laerte Bezerra de |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0343031182551501 |
dc.contributor.author.fl_str_mv |
SILVA, Debora Cristina da |
contributor_str_mv |
SOUZA, Eduardo Soares de SOUZA, Eduardo Soares de MOURA, Albert Einsten Spindola Saraiva AMORIM, Laerte Bezerra de |
dc.subject.por.fl_str_mv |
Precipitação (Meteorologia) Modelagem hidrológica Água Caatinga |
topic |
Precipitação (Meteorologia) Modelagem hidrológica Água Caatinga FITOTECNIA::MELHORAMENTO VEGETAL |
dc.subject.cnpq.fl_str_mv |
FITOTECNIA::MELHORAMENTO VEGETAL |
description |
The removal of vegetation allied to climatic changes alter the balance between rainfall, evapotranspiration and surface runoff of water in the soil. The understanding of the interactions between hydrology and land use change is essential for understanding hydrological functioning and climate trends. The objective of this study was to analyze the interception of rainfall in two caatinga fragments through mathematical modeling and remote sensing techniques and to evaluate the runoff of water in the soil by the runoff curve number (CN) in areas of caatinga and pasture in the semi-arid region of Pernambuco. The work was carried out in a degraded pasture (PD) and three areas of caatinga, one preserved (CP), another with predominance of angico (CA) and a third in regeneration (CR), located in the municipality of Serra Talhada - PE. Interception of rainfall (I) was evaluated only in the areas of CP and CA. Rainfall data (Pext) were obtained with a pluviometer pleaced above the canopy vegetation, while the throughfall data (Pint) were manually collected with pluviometers pleaced below the canopy vegetation. Rainfall interception data (I), defined by the difference between P and Pint, were fit to the data from exponential equation (P versus I) whose parameters describe the maximum storage capacity of the canopy (Smax) and the canopy openness (k). Four experimental sites were installed for soil water runoff (ES) measurements in each of the four areas (PD, CP, CA and CR). For this, a standard plot (1.02 m2) was used, surrounded by galvanized sheet, interconnected to a channel that led to the water drained to the collecting tanks. It applied the method curve number of Soil Conservation Service (CN-SCS) to obtain the value of the maximum infiltration capacity (S), fitting the observed data (Pext versus ES) in the four experimental areas and imposing the coefficients of (𝜆) equal to 0.1 and 0.2. Parallel to obtain CN were adjusted linear regressions between ES and Pext to compare the performance with the method curve number. To evaluate the performance, were used the mean square error (EQM), the Nash-Sutcliffe efficiency coefficient (CNS) and the coefficient of determination (R2). The interception corresponded to 33.6 and 40% of total rainfall, in both areas, CP and CA, respectively. The observed data were well adjusted to the proposed model and the correlation between Smax and N' (NDVI mean + NDVI maximum / 2) obtained in each plot allowed spatialisation in both tropical dry forests fragments. The CN values obtained with λ = 0.1 estimated the runoff better than those obtained with λ = 0.2. As the CN values generated in this work approximated those of the Soil Conservation Service (SCS) for similar conditions of use and land cover, they can be used to estimate the ES of areas that present the same conditions reported in this study. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017-02-17 |
dc.date.accessioned.fl_str_mv |
2019-06-03T14:14:33Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
SILVA, Debora Cristina da. Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano. 2017. 59 f. Dissertação (Programa de Pós-Graduação em Produção Vegetal) - Universidade Federal Rural de Pernambuco, Serra Talhada. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8080 |
identifier_str_mv |
SILVA, Debora Cristina da. Interceptação da chuva e escoamento superficial de água no solo no semiárido pernambucano. 2017. 59 f. Dissertação (Programa de Pós-Graduação em Produção Vegetal) - Universidade Federal Rural de Pernambuco, Serra Talhada. |
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http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8080 |
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por |
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Universidade Federal Rural de Pernambuco |
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Programa de Pós-Graduação em Produção Vegetal |
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UFRPE |
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Universidade Federal Rural de Pernambuco |
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