Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da Universidade Federal do Ceará (UFC) |
Texto Completo: | http://www.repositorio.ufc.br/handle/riufc/70696 |
Resumo: | This study investigates the relationships between yield and evaporation as a function of lake morphology in semi-arid Brazil. First, a new methodology was proposed to classify the morphology of 40 reservoirs in the Ceará State, with storage capacities ranging from approximately 5 to 4500 hm3. Then, Monte Carlo simulations were conducted to study the effect of reservoir morphology (including real and simplified conical forms) on the water storage process at different reliability levels. The reservoirs were categorized as convex (60.0%), slightly convex (27.5%) or linear (12.5%). When the conical approximation was used instead of the real lake form, a trade-off occurred between reservoir yield and evaporation losses, with different trends for the convex, slightly convex and linear reservoirs. Using the conical approximation, the water yield prediction errors reached approximately 5% of the mean annual inflow, which is negligible for large reservoirs. However, for smaller reservoirs, this error became important. Therefore, this paper presents a new procedure for correcting the yield-evaporation relationships that were obtained by assuming a conical approximation rather than the real reservoir morphology. The combination of this correction with the Regulation Triangle Diagram is useful for rapidly and objectively predicting reservoir yield and evaporation losses in semi-arid environments. |
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Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid BrazilEvaporation lossesHydrological modelingLake morphologyReservoir yieldSemi-arid regionsWater availabilityThis study investigates the relationships between yield and evaporation as a function of lake morphology in semi-arid Brazil. First, a new methodology was proposed to classify the morphology of 40 reservoirs in the Ceará State, with storage capacities ranging from approximately 5 to 4500 hm3. Then, Monte Carlo simulations were conducted to study the effect of reservoir morphology (including real and simplified conical forms) on the water storage process at different reliability levels. The reservoirs were categorized as convex (60.0%), slightly convex (27.5%) or linear (12.5%). When the conical approximation was used instead of the real lake form, a trade-off occurred between reservoir yield and evaporation losses, with different trends for the convex, slightly convex and linear reservoirs. Using the conical approximation, the water yield prediction errors reached approximately 5% of the mean annual inflow, which is negligible for large reservoirs. However, for smaller reservoirs, this error became important. Therefore, this paper presents a new procedure for correcting the yield-evaporation relationships that were obtained by assuming a conical approximation rather than the real reservoir morphology. The combination of this correction with the Regulation Triangle Diagram is useful for rapidly and objectively predicting reservoir yield and evaporation losses in semi-arid environments.Este estudo investiga as relações entre vazão e evaporação em função da morfologia de lagos em uma região semiárida do Brasil. Inicialmente, foi proposta uma nova metodologia para classificar a morfologia de 40 reservatórios no Estado do Ceará, com capacidades de armazenamento variando entre aproximadamente 5 e 4500 hm3. Em seguida, foram realizadas simulações do tipo Monte Carlo para estudar o efeito da morfologia do reservatório (incluindo suas formas reais e cônicas simplificadas) sobre o processo de armazenamento de água em diferentes níveis de garantia. Os reservatórios foram classificados como convexos (60,0%), ligeira mente convexos (27,5%) ou lineares (12,5%). Quando a aproximação cônica foi usada em vez de a forma real do lago, ocorreu uma compensação entre vazão e perdas por evaporação com diferentes tendências para os reservatórios convexos, ligeiramente convexos e lineares. Usando a aproximação cônica, os erros na previsão da vazão da água foram de aproximadamente 5% da média da vazão anual afluente, o que pode ser considerado insignificante para grandes reservatórios. No entanto, para reservatórios menores, este erro se tornou relevante. Portanto, este trabalho apresenta um novo procedimento para corrigir as relações entre vazão-evaporação que foram obtidas assumindo uma aproximação cônica, em vez de a morfologia real do reservatório. A combinação desta correção com o Diagrama Triangular de Regularização é útil para predizer rápida e objetivamente as perdas de vazão e evaporação do reservatório em ambientes semiáridos.Anais da Academia Brasileira de Ciências2023-02-09T16:22:39Z2023-02-09T16:22:39Z2016info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfSTUDART, T. M. C. et al. Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil. Anais da Academia Brasileira de Ciências, [s.l.], v. 88, n. 2, p. 1113-1125, abr./jun. 2016. DOI: https://doi.org/10.1590/0001-37652016201501241678-2690http://www.repositorio.ufc.br/handle/riufc/70696Campos, José Nilson BezerraLima Neto, Iran EduardoStudart, Ticiana Marinho de CarvalhoNascimento, Luiz Sérgio Vasconcelos doinfo:eu-repo/semantics/openAccessengreponame:Repositório Institucional da Universidade Federal do Ceará (UFC)instname:Universidade Federal do Ceará (UFC)instacron:UFC2023-12-06T17:57:26Zoai:repositorio.ufc.br:riufc/70696Repositório InstitucionalPUBhttp://www.repositorio.ufc.br/ri-oai/requestbu@ufc.br || repositorio@ufc.bropendoar:2024-09-11T18:56:36.962007Repositório Institucional da Universidade Federal do Ceará (UFC) - Universidade Federal do Ceará (UFC)false |
dc.title.none.fl_str_mv |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
title |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
spellingShingle |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil Campos, José Nilson Bezerra Evaporation losses Hydrological modeling Lake morphology Reservoir yield Semi-arid regions Water availability |
title_short |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
title_full |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
title_fullStr |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
title_full_unstemmed |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
title_sort |
Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil |
author |
Campos, José Nilson Bezerra |
author_facet |
Campos, José Nilson Bezerra Lima Neto, Iran Eduardo Studart, Ticiana Marinho de Carvalho Nascimento, Luiz Sérgio Vasconcelos do |
author_role |
author |
author2 |
Lima Neto, Iran Eduardo Studart, Ticiana Marinho de Carvalho Nascimento, Luiz Sérgio Vasconcelos do |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Campos, José Nilson Bezerra Lima Neto, Iran Eduardo Studart, Ticiana Marinho de Carvalho Nascimento, Luiz Sérgio Vasconcelos do |
dc.subject.por.fl_str_mv |
Evaporation losses Hydrological modeling Lake morphology Reservoir yield Semi-arid regions Water availability |
topic |
Evaporation losses Hydrological modeling Lake morphology Reservoir yield Semi-arid regions Water availability |
description |
This study investigates the relationships between yield and evaporation as a function of lake morphology in semi-arid Brazil. First, a new methodology was proposed to classify the morphology of 40 reservoirs in the Ceará State, with storage capacities ranging from approximately 5 to 4500 hm3. Then, Monte Carlo simulations were conducted to study the effect of reservoir morphology (including real and simplified conical forms) on the water storage process at different reliability levels. The reservoirs were categorized as convex (60.0%), slightly convex (27.5%) or linear (12.5%). When the conical approximation was used instead of the real lake form, a trade-off occurred between reservoir yield and evaporation losses, with different trends for the convex, slightly convex and linear reservoirs. Using the conical approximation, the water yield prediction errors reached approximately 5% of the mean annual inflow, which is negligible for large reservoirs. However, for smaller reservoirs, this error became important. Therefore, this paper presents a new procedure for correcting the yield-evaporation relationships that were obtained by assuming a conical approximation rather than the real reservoir morphology. The combination of this correction with the Regulation Triangle Diagram is useful for rapidly and objectively predicting reservoir yield and evaporation losses in semi-arid environments. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016 2023-02-09T16:22:39Z 2023-02-09T16:22:39Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
STUDART, T. M. C. et al. Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil. Anais da Academia Brasileira de Ciências, [s.l.], v. 88, n. 2, p. 1113-1125, abr./jun. 2016. DOI: https://doi.org/10.1590/0001-3765201620150124 1678-2690 http://www.repositorio.ufc.br/handle/riufc/70696 |
identifier_str_mv |
STUDART, T. M. C. et al. Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil. Anais da Academia Brasileira de Ciências, [s.l.], v. 88, n. 2, p. 1113-1125, abr./jun. 2016. DOI: https://doi.org/10.1590/0001-3765201620150124 1678-2690 |
url |
http://www.repositorio.ufc.br/handle/riufc/70696 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
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 |
Anais da Academia Brasileira de Ciências |
publisher.none.fl_str_mv |
Anais da Academia Brasileira de Ciências |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da Universidade Federal do Ceará (UFC) instname:Universidade Federal do Ceará (UFC) instacron:UFC |
instname_str |
Universidade Federal do Ceará (UFC) |
instacron_str |
UFC |
institution |
UFC |
reponame_str |
Repositório Institucional da Universidade Federal do Ceará (UFC) |
collection |
Repositório Institucional da Universidade Federal do Ceará (UFC) |
repository.name.fl_str_mv |
Repositório Institucional da Universidade Federal do Ceará (UFC) - Universidade Federal do Ceará (UFC) |
repository.mail.fl_str_mv |
bu@ufc.br || repositorio@ufc.br |
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1813029006616821760 |