Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto
Ano de defesa: | 2016 |
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Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Tese |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Lavras
Programa de Pós-Graduação em Recursos Hídricos UFLA brasil Departamento de Engenharia |
Programa de Pós-Graduação: |
Não Informado pela instituição
|
Departamento: |
Não Informado pela instituição
|
País: |
Não Informado pela instituição
|
Palavras-chave em Português: | |
Link de acesso: | http://repositorio.ufla.br/jspui/handle/1/11101 |
Resumo: | This study aimed to analyze the rainfall partitioning process from a clonal Eucalyptus forest canopy to the soil as well as its effect over the hydro-meteorological conditions of the area. It were carried out both dendrometric and edapho-climatic characterizations of the area relating them to three spacing of plantation (3 x 2; 3 x 3; 3 x 5 m) and to the effects in the water budget of the forest. For water budget conduction, the following variables were studied: throughfall (Pi), stemflow (EsT), overland flow (ESd) and soil-water storage variation in the soil profile (ΔArm), having the evapotranspiration as output (ETr). ETr was split into canopy interception (IL), soil evaporation (Es) and transpiration (Tr). A greater increase in the volume of the trees was observed for 3 x 2 m spacing while the lesser was observed for 3 x 5 m. Observed throughfall accounted for 72.7% of gross precipitation and steamflow, 3.1%. Applying geostatistical procedures, we observed that throughfall has presented spatially structured with strong spatial dependence degree and low estimated errors. It was also observed a gradual increase in the throughfall values as the spacing is increased, being observed a difference of 10.43% between 3 x 2 m spacing compared to 3 x 5 m spacing. In addition, the greater the total rainfall the greater observed stemflow. Greater interception losses were observed for 3 x 2 m spacing (601.5 mm), followed by 3 x 3 m (539.9 mm) and 3 x 5 m (342.9 mm). Observed overland flow throughout the studied period accounted for 163.1 mm. Water storage in the soil profile tends to decrease in the Northeastern/Southwestern direction whereas 3 x 2 spacing presented greater storage (42.7 mm) and 3 x 5 m, the lesser storage (18.8 mm). Observed evapotranspiration in the period was 1631.1 mm (from water budget), which means 102.7% of the gross precipitation, showing that the roots were supplied by water storage in the soil. Soil evaporation corresponded in the observed period to 82.8 mm (5.2 % of the gross precipitation). Estimated transpiration was 1107.3 mm (69.7% of gross precipitation), with 3 x 2 m spacing showing greater efficient in terms of water use (14.4 mm.m-3), followed by 3 x 3 m (28.0 mm.m-3) and 3 x 5 m (31.7 mm.m-3). |
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Modelagem hidrometeorológica associada a um povoamento clonal de eucaliptoEucalyptus clonal stand hydro-meteorological modelingFlorestasBalanço hídricoSolos – UmidadeForests and forestryWater balanceSoil moistureHidrologia FlorestalThis study aimed to analyze the rainfall partitioning process from a clonal Eucalyptus forest canopy to the soil as well as its effect over the hydro-meteorological conditions of the area. It were carried out both dendrometric and edapho-climatic characterizations of the area relating them to three spacing of plantation (3 x 2; 3 x 3; 3 x 5 m) and to the effects in the water budget of the forest. For water budget conduction, the following variables were studied: throughfall (Pi), stemflow (EsT), overland flow (ESd) and soil-water storage variation in the soil profile (ΔArm), having the evapotranspiration as output (ETr). ETr was split into canopy interception (IL), soil evaporation (Es) and transpiration (Tr). A greater increase in the volume of the trees was observed for 3 x 2 m spacing while the lesser was observed for 3 x 5 m. Observed throughfall accounted for 72.7% of gross precipitation and steamflow, 3.1%. Applying geostatistical procedures, we observed that throughfall has presented spatially structured with strong spatial dependence degree and low estimated errors. It was also observed a gradual increase in the throughfall values as the spacing is increased, being observed a difference of 10.43% between 3 x 2 m spacing compared to 3 x 5 m spacing. In addition, the greater the total rainfall the greater observed stemflow. Greater interception losses were observed for 3 x 2 m spacing (601.5 mm), followed by 3 x 3 m (539.9 mm) and 3 x 5 m (342.9 mm). Observed overland flow throughout the studied period accounted for 163.1 mm. Water storage in the soil profile tends to decrease in the Northeastern/Southwestern direction whereas 3 x 2 spacing presented greater storage (42.7 mm) and 3 x 5 m, the lesser storage (18.8 mm). Observed evapotranspiration in the period was 1631.1 mm (from water budget), which means 102.7% of the gross precipitation, showing that the roots were supplied by water storage in the soil. Soil evaporation corresponded in the observed period to 82.8 mm (5.2 % of the gross precipitation). Estimated transpiration was 1107.3 mm (69.7% of gross precipitation), with 3 x 2 m spacing showing greater efficient in terms of water use (14.4 mm.m-3), followed by 3 x 3 m (28.0 mm.m-3) and 3 x 5 m (31.7 mm.m-3).Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)O presente estudo teve como objetivo a análise detalhada do processo de redistribuição da água da chuva para o solo a partir da interceptação do dossel de uma floresta clonal de Eucalyptus e como esta afeta as condições hidrometeorológicas do seu entorno. Foram realizadas as caracterizações dendrométrica e edafoclimática da área e relacionando estas características a três espaçamentos (3 x 2, 3 x 3 e 3 x 5 metros) e aos seus efeitos no balanço hídrico florestal (BHF). Para realização do BHF foram estudadas as variáveis: precipitação interna (Pi), escoamento pelo tronco (EsT), escoamento superficial direto (ESd) e variação do armazenamento de água no perfil do solo (ΔArm) aplicados na estimativa da evapotranspiração real (ETr). A Etr foi decomposta em perdas por interceptação (IL), evaporação da água do solo (Es) e transpiração real (Tr). O maior incremento em volume de madeira ocorreu no espaçamento 3 x 2 metros enquanto que o menor se deu no 3 x 5 metros. A Pi observada foi 72,7 % da precipitação externa (PG), enquanto que o EsT foi 3,1 % da PG. A Pi apresentou-se estruturada espacialmente com forte grau de dependência espacial e baixos erros entre os dados observados e estimados. Foi observado um aumento gradual da Pi com o aumento do espaçamento atingindo uma diferença de 10,43 % entre os espaçamentos 3 x 2 e 3 x 5 metros. O EsT apresenta incremento com o aumento do volume precipitado. As perdas por interceptação da precipitação foram maiores no espaçamento 3 x 2 metros (601,5 mm), seguida pelo 3 x3 metros (539,9 mm) e 3 x 5 metros (342,9 mm). A lâmina total de ESd foi de 163,1 mm no período analisado. O armazenamento de água no perfil do solo tende a reduzir no sentido Nordeste/Sudoeste no povoamento, com o espaçamento 3 x 2 metros apresentando o maior armazenamento (42,7 mm) e o 3 x 5 metros o menor armazenamento (18,8 mm). A ETr estimada no período foi de 1631,3 mm, equivalente a 102,7 % da precipitação incidente (PG), indicando retirada de água no perfil do solo. A Es foi de 82,8 mm (5,2 % da PG). A Tr estimada para o povoamento foi de 1107,3 mm (69,7 % da PG). O espaçamento 3 x 2 metros mostrou-se mais eficiente com consumo de 14,4 mm.m-3, seguido do 3 x3 metros (28,0 mm.m-3) e 3 x 5 metros (31,7 mm.m-3).Universidade Federal de LavrasPrograma de Pós-Graduação em Recursos HídricosUFLAbrasilDepartamento de EngenhariaMello, Carlos Rogério deMello, José Márcio deMello, José Márcio deViola, Marcelo RibeiroYanagi, Sílvia de Nazaré MonteiroSilva, Antônio Marciano daMelo Neto, José de Oliveira2016-04-28T17:05:54Z2016-04-28T17:05:54Z2016-04-272016-03-18info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisapplication/pdfMELO NETO, J. de O. Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto. 2016. 264 p. Tese (Doutorado em Recursos Hídricos)-Universidade Federal de Lavras, Lavras, 2016.http://repositorio.ufla.br/jspui/handle/1/11101porinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLA2022-05-05T18:32:51Zoai:localhost:1/11101Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2022-05-05T18:32:51Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto Eucalyptus clonal stand hydro-meteorological modeling |
title |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
spellingShingle |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto Melo Neto, José de Oliveira Florestas Balanço hídrico Solos – Umidade Forests and forestry Water balance Soil moisture Hidrologia Florestal |
title_short |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
title_full |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
title_fullStr |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
title_full_unstemmed |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
title_sort |
Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto |
author |
Melo Neto, José de Oliveira |
author_facet |
Melo Neto, José de Oliveira |
author_role |
author |
dc.contributor.none.fl_str_mv |
Mello, Carlos Rogério de Mello, José Márcio de Mello, José Márcio de Viola, Marcelo Ribeiro Yanagi, Sílvia de Nazaré Monteiro Silva, Antônio Marciano da |
dc.contributor.author.fl_str_mv |
Melo Neto, José de Oliveira |
dc.subject.por.fl_str_mv |
Florestas Balanço hídrico Solos – Umidade Forests and forestry Water balance Soil moisture Hidrologia Florestal |
topic |
Florestas Balanço hídrico Solos – Umidade Forests and forestry Water balance Soil moisture Hidrologia Florestal |
description |
This study aimed to analyze the rainfall partitioning process from a clonal Eucalyptus forest canopy to the soil as well as its effect over the hydro-meteorological conditions of the area. It were carried out both dendrometric and edapho-climatic characterizations of the area relating them to three spacing of plantation (3 x 2; 3 x 3; 3 x 5 m) and to the effects in the water budget of the forest. For water budget conduction, the following variables were studied: throughfall (Pi), stemflow (EsT), overland flow (ESd) and soil-water storage variation in the soil profile (ΔArm), having the evapotranspiration as output (ETr). ETr was split into canopy interception (IL), soil evaporation (Es) and transpiration (Tr). A greater increase in the volume of the trees was observed for 3 x 2 m spacing while the lesser was observed for 3 x 5 m. Observed throughfall accounted for 72.7% of gross precipitation and steamflow, 3.1%. Applying geostatistical procedures, we observed that throughfall has presented spatially structured with strong spatial dependence degree and low estimated errors. It was also observed a gradual increase in the throughfall values as the spacing is increased, being observed a difference of 10.43% between 3 x 2 m spacing compared to 3 x 5 m spacing. In addition, the greater the total rainfall the greater observed stemflow. Greater interception losses were observed for 3 x 2 m spacing (601.5 mm), followed by 3 x 3 m (539.9 mm) and 3 x 5 m (342.9 mm). Observed overland flow throughout the studied period accounted for 163.1 mm. Water storage in the soil profile tends to decrease in the Northeastern/Southwestern direction whereas 3 x 2 spacing presented greater storage (42.7 mm) and 3 x 5 m, the lesser storage (18.8 mm). Observed evapotranspiration in the period was 1631.1 mm (from water budget), which means 102.7% of the gross precipitation, showing that the roots were supplied by water storage in the soil. Soil evaporation corresponded in the observed period to 82.8 mm (5.2 % of the gross precipitation). Estimated transpiration was 1107.3 mm (69.7% of gross precipitation), with 3 x 2 m spacing showing greater efficient in terms of water use (14.4 mm.m-3), followed by 3 x 3 m (28.0 mm.m-3) and 3 x 5 m (31.7 mm.m-3). |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04-28T17:05:54Z 2016-04-28T17:05:54Z 2016-04-27 2016-03-18 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
MELO NETO, J. de O. Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto. 2016. 264 p. Tese (Doutorado em Recursos Hídricos)-Universidade Federal de Lavras, Lavras, 2016. http://repositorio.ufla.br/jspui/handle/1/11101 |
identifier_str_mv |
MELO NETO, J. de O. Modelagem hidrometeorológica associada a um povoamento clonal de eucalipto. 2016. 264 p. Tese (Doutorado em Recursos Hídricos)-Universidade Federal de Lavras, Lavras, 2016. |
url |
http://repositorio.ufla.br/jspui/handle/1/11101 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Lavras Programa de Pós-Graduação em Recursos Hídricos UFLA brasil Departamento de Engenharia |
publisher.none.fl_str_mv |
Universidade Federal de Lavras Programa de Pós-Graduação em Recursos Hídricos UFLA brasil Departamento de Engenharia |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
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UFLA |
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UFLA |
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Repositório Institucional da UFLA |
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Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
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nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
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1807834820016865280 |