Monitoring of regional lake water clarity using Landsat imagery
- Autores
- Bonansea, Matias; Bazán, Raquel; Ledesma, Claudia; Rodriguez, Claudia; Pinotti, Lucio Pedro
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The application of remote sensing technology to water quality monitoring has special significance for lake management at regional scale. Water clarity expressed in terms of Secchi disk transparency (SDT) is a highly useful indicator of trophic status and ecosystem health. In this study, we related Landsat TM and ETM+ data with ground observations to develop a model for the estimation of SDT which can be used as a standardized procedure for regional-scale lake clarity assessment in the central region of Argentina. Samples were taken from two reservoirs of the region. Pearson correlation coefficients and step-wise multiple regression analysis were used to evaluate correlation between Landsat bands and measured SDT. Results suggested that Landsat band 3 plus the ratio 1/3 was a consistent and reliable predictor of SDT (R2 = 0.80). The algorithm was validated (R2 = 0.81) and applied to the November 10, 2010 ETM+ image obtaining a map that characterized water clarity of reservoirs within the study area. The procedure presented here could become a low cost measurement tool for water management authorities and decision-makers, obtaining simpler and practical results for regional water clarity monitoring.
Fil: Bonansea, Matias. Universidad Nacional de Rio Cuarto. Facultad de Agronomia y Veterinaria. Departamento de Estudios Basicos y Agropecuarios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Bazán, Raquel. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina
Fil: Ledesma, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina
Fil: Rodriguez, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina
Fil: Pinotti, Lucio Pedro. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
Algorithm
Landsat
Remote Sensing
Reservoir
Secchi Disk Transparency
Water Clarity - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/69975
Ver los metadatos del registro completo
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Monitoring of regional lake water clarity using Landsat imageryBonansea, MatiasBazán, RaquelLedesma, ClaudiaRodriguez, ClaudiaPinotti, Lucio PedroAlgorithmLandsatRemote SensingReservoirSecchi Disk TransparencyWater Clarityhttps://purl.org/becyt/ford/2.7https://purl.org/becyt/ford/2The application of remote sensing technology to water quality monitoring has special significance for lake management at regional scale. Water clarity expressed in terms of Secchi disk transparency (SDT) is a highly useful indicator of trophic status and ecosystem health. In this study, we related Landsat TM and ETM+ data with ground observations to develop a model for the estimation of SDT which can be used as a standardized procedure for regional-scale lake clarity assessment in the central region of Argentina. Samples were taken from two reservoirs of the region. Pearson correlation coefficients and step-wise multiple regression analysis were used to evaluate correlation between Landsat bands and measured SDT. Results suggested that Landsat band 3 plus the ratio 1/3 was a consistent and reliable predictor of SDT (R2 = 0.80). The algorithm was validated (R2 = 0.81) and applied to the November 10, 2010 ETM+ image obtaining a map that characterized water clarity of reservoirs within the study area. The procedure presented here could become a low cost measurement tool for water management authorities and decision-makers, obtaining simpler and practical results for regional water clarity monitoring.Fil: Bonansea, Matias. Universidad Nacional de Rio Cuarto. Facultad de Agronomia y Veterinaria. Departamento de Estudios Basicos y Agropecuarios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Bazán, Raquel. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; ArgentinaFil: Ledesma, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; ArgentinaFil: Rodriguez, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; ArgentinaFil: Pinotti, Lucio Pedro. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaBritish Hydrological Society2015-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/69975Bonansea, Matias; Bazán, Raquel; Ledesma, Claudia; Rodriguez, Claudia; Pinotti, Lucio Pedro; Monitoring of regional lake water clarity using Landsat imagery; British Hydrological Society; Hydrology Research; 46; 5; 10-2015; 661-6702224-7955CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.2166/nh.2014.211info:eu-repo/semantics/altIdentifier/url/https://iwaponline.com/hr/article-abstract/46/5/661/1157/Monitoring-of-regional-lake-water-clarity-usinginfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:43:56Zoai:ri.conicet.gov.ar:11336/69975instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:43:57.17CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Monitoring of regional lake water clarity using Landsat imagery |
title |
Monitoring of regional lake water clarity using Landsat imagery |
spellingShingle |
Monitoring of regional lake water clarity using Landsat imagery Bonansea, Matias Algorithm Landsat Remote Sensing Reservoir Secchi Disk Transparency Water Clarity |
title_short |
Monitoring of regional lake water clarity using Landsat imagery |
title_full |
Monitoring of regional lake water clarity using Landsat imagery |
title_fullStr |
Monitoring of regional lake water clarity using Landsat imagery |
title_full_unstemmed |
Monitoring of regional lake water clarity using Landsat imagery |
title_sort |
Monitoring of regional lake water clarity using Landsat imagery |
dc.creator.none.fl_str_mv |
Bonansea, Matias Bazán, Raquel Ledesma, Claudia Rodriguez, Claudia Pinotti, Lucio Pedro |
author |
Bonansea, Matias |
author_facet |
Bonansea, Matias Bazán, Raquel Ledesma, Claudia Rodriguez, Claudia Pinotti, Lucio Pedro |
author_role |
author |
author2 |
Bazán, Raquel Ledesma, Claudia Rodriguez, Claudia Pinotti, Lucio Pedro |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Algorithm Landsat Remote Sensing Reservoir Secchi Disk Transparency Water Clarity |
topic |
Algorithm Landsat Remote Sensing Reservoir Secchi Disk Transparency Water Clarity |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.7 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
The application of remote sensing technology to water quality monitoring has special significance for lake management at regional scale. Water clarity expressed in terms of Secchi disk transparency (SDT) is a highly useful indicator of trophic status and ecosystem health. In this study, we related Landsat TM and ETM+ data with ground observations to develop a model for the estimation of SDT which can be used as a standardized procedure for regional-scale lake clarity assessment in the central region of Argentina. Samples were taken from two reservoirs of the region. Pearson correlation coefficients and step-wise multiple regression analysis were used to evaluate correlation between Landsat bands and measured SDT. Results suggested that Landsat band 3 plus the ratio 1/3 was a consistent and reliable predictor of SDT (R2 = 0.80). The algorithm was validated (R2 = 0.81) and applied to the November 10, 2010 ETM+ image obtaining a map that characterized water clarity of reservoirs within the study area. The procedure presented here could become a low cost measurement tool for water management authorities and decision-makers, obtaining simpler and practical results for regional water clarity monitoring. Fil: Bonansea, Matias. Universidad Nacional de Rio Cuarto. Facultad de Agronomia y Veterinaria. Departamento de Estudios Basicos y Agropecuarios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bazán, Raquel. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina Fil: Ledesma, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina Fil: Rodriguez, Claudia. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina Fil: Pinotti, Lucio Pedro. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
The application of remote sensing technology to water quality monitoring has special significance for lake management at regional scale. Water clarity expressed in terms of Secchi disk transparency (SDT) is a highly useful indicator of trophic status and ecosystem health. In this study, we related Landsat TM and ETM+ data with ground observations to develop a model for the estimation of SDT which can be used as a standardized procedure for regional-scale lake clarity assessment in the central region of Argentina. Samples were taken from two reservoirs of the region. Pearson correlation coefficients and step-wise multiple regression analysis were used to evaluate correlation between Landsat bands and measured SDT. Results suggested that Landsat band 3 plus the ratio 1/3 was a consistent and reliable predictor of SDT (R2 = 0.80). The algorithm was validated (R2 = 0.81) and applied to the November 10, 2010 ETM+ image obtaining a map that characterized water clarity of reservoirs within the study area. The procedure presented here could become a low cost measurement tool for water management authorities and decision-makers, obtaining simpler and practical results for regional water clarity monitoring. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-10 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/69975 Bonansea, Matias; Bazán, Raquel; Ledesma, Claudia; Rodriguez, Claudia; Pinotti, Lucio Pedro; Monitoring of regional lake water clarity using Landsat imagery; British Hydrological Society; Hydrology Research; 46; 5; 10-2015; 661-670 2224-7955 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/69975 |
identifier_str_mv |
Bonansea, Matias; Bazán, Raquel; Ledesma, Claudia; Rodriguez, Claudia; Pinotti, Lucio Pedro; Monitoring of regional lake water clarity using Landsat imagery; British Hydrological Society; Hydrology Research; 46; 5; 10-2015; 661-670 2224-7955 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.2166/nh.2014.211 info:eu-repo/semantics/altIdentifier/url/https://iwaponline.com/hr/article-abstract/46/5/661/1157/Monitoring-of-regional-lake-water-clarity-using |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
British Hydrological Society |
publisher.none.fl_str_mv |
British Hydrological Society |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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