Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia

Disertación de tesis de maestría en Ciencias -Meteorología en formato PDF.

Autores:: Hernández Guzmán, Francisco Javier

Tipo de recurso:

Fecha de publicación:: 2021

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: spa

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network_acronym_str	UNACIONAL2
network_name_str	Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
dc.title.translated.eng.fl_str_mv	Evaluation of agroclimatic methods for timely estimation of the conditions of surface soil moisture in agricultural areas of Colombia
title	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
spellingShingle	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia 550 - Ciencias de la tierra Agrometeorología Control de calidad Variabilidad espacio-temporal Desempeño de recuperación Algoritmos de recuperación Agrometeorology Quality control Spatio-temporal variability Recovery performance Recovery algorithms Agroclimatología Agroclimatology Humedad del suelo Soil moisture
title_short	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
title_full	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
title_fullStr	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
title_full_unstemmed	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
title_sort	Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia
dc.creator.fl_str_mv	Hernández Guzmán, Francisco Javier
dc.contributor.advisor.none.fl_str_mv	Diaz Almanza, Eliecer David
dc.contributor.author.none.fl_str_mv	Hernández Guzmán, Francisco Javier
dc.contributor.referee.none.fl_str_mv	Vega Rodriguez, Emel Enrique Cadena, Martha Cecilia
dc.subject.ddc.spa.fl_str_mv	550 - Ciencias de la tierra
topic	550 - Ciencias de la tierra Agrometeorología Control de calidad Variabilidad espacio-temporal Desempeño de recuperación Algoritmos de recuperación Agrometeorology Quality control Spatio-temporal variability Recovery performance Recovery algorithms Agroclimatología Agroclimatology Humedad del suelo Soil moisture
dc.subject.proposal.spa.fl_str_mv	Agrometeorología Control de calidad Variabilidad espacio-temporal Desempeño de recuperación Algoritmos de recuperación
dc.subject.proposal.eng.fl_str_mv	Agrometeorology Quality control Spatio-temporal variability Recovery performance Recovery algorithms
dc.subject.unesco.none.fl_str_mv	Agroclimatología Agroclimatology Humedad del suelo Soil moisture
description	Disertación de tesis de maestría en Ciencias -Meteorología en formato PDF.
publishDate	2021
dc.date.accessioned.none.fl_str_mv	2021-06-23T22:08:32Z
dc.date.available.none.fl_str_mv	2021-06-23T22:08:32Z
dc.date.issued.none.fl_str_mv	2021-06-18
dc.type.spa.fl_str_mv	Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv	info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv	info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv	Text
dc.type.redcol.spa.fl_str_mv	http://purl.org/redcol/resource_type/TM
status_str	acceptedVersion
dc.identifier.uri.none.fl_str_mv	https://repositorio.unal.edu.co/handle/unal/79696
dc.identifier.instname.spa.fl_str_mv	Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv	Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv	https://repositorio.unal.edu.co/
url	https://repositorio.unal.edu.co/handle/unal/79696 https://repositorio.unal.edu.co/
identifier_str_mv	Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv	spa
language	spa
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dc.rights.spa.fl_str_mv	Derechos Reservados al Autor, 2021
dc.rights.coar.fl_str_mv	http://purl.org/coar/access_right/c_abf2
dc.rights.license.spa.fl_str_mv	Atribución-SinDerivadas 4.0 Internacional
dc.rights.uri.spa.fl_str_mv	http://creativecommons.org/licenses/by-nd/4.0/
dc.rights.accessrights.spa.fl_str_mv	info:eu-repo/semantics/openAccess
rights_invalid_str_mv	Atribución-SinDerivadas 4.0 Internacional Derechos Reservados al Autor, 2021 http://creativecommons.org/licenses/by-nd/4.0/ http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv	openAccess
dc.format.extent.spa.fl_str_mv	254 páginas
dc.format.mimetype.spa.fl_str_mv	application/pdf
dc.coverage.country.none.fl_str_mv	Colombia
dc.publisher.spa.fl_str_mv	Universidad Nacional de Colombia
dc.publisher.program.spa.fl_str_mv	Bogotá - Ciencias - Maestría en Ciencias - Meteorología
dc.publisher.department.spa.fl_str_mv	Departamento de Geociencias
dc.publisher.faculty.spa.fl_str_mv	Facultad de Ciencias
dc.publisher.place.spa.fl_str_mv	Bogotá, Colombia
dc.publisher.branch.spa.fl_str_mv	Universidad Nacional de Colombia - Sede Bogotá
institution	Universidad Nacional de Colombia
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spelling	Atribución-SinDerivadas 4.0 InternacionalDerechos Reservados al Autor, 2021http://creativecommons.org/licenses/by-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Diaz Almanza, Eliecer David08415d75f869971ffb190a20cf5dbcccHernández Guzmán, Francisco Javiereccefaf8def9a379d58c558fc721e934Vega Rodriguez, Emel EnriqueCadena, Martha Cecilia2021-06-23T22:08:32Z2021-06-23T22:08:32Z2021-06-18https://repositorio.unal.edu.co/handle/unal/79696Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/Disertación de tesis de maestría en Ciencias -Meteorología en formato PDF.ilustraciones, mapasEl agua es uno de los componentes más importantes de nuestro planeta, está presente en la naturaleza en tres estados, así como en la atmósfera, superficie de la tierra y océanos. La humedad del suelo es una de las variables agroclimáticas esenciales debido a su importancia en los flujos de agua y energía entre la tierra y la atmósfera. En las últimas décadas su estimación a escala regional ha cobrado relevancia para resolver problemas hidrológicos, meteorológicos y agronómicos; en este sentido las redes de sensores in situ sobre el territorio colombiano no son suficientes para caracterizar adecuadamente la condición de humedad de las zonas agrícolas. En este contexto, el objetivo de la tesis fue evaluar métodos de estimación oportuna de las condiciones de humedad superficial para el territorio colombiano, determinando por regiones cuál o cuáles serían las fuentes más promisorias para la implementación de aplicaciones en diversas disciplinas, que contribuyan en la toma de decisiones tanto para agricultores, líderes nacionales, regionales y locales, así como para técnicos del sector, investigadores y pronosticadores, entre otros. Para ello, se aplicó la metodología de control de calidad desarrollada para la Red Internacional de Humedad de Suelo (ISMN, por sus siglas en inglés) ajustada a las condiciones ecuatoriales de Colombia. Con las mediciones de humedad de suelo consideradas buenas se realizó el análisis espacio-temporal de la variable con el fin de determinar cuál es la relación entre la humedad de suelo, con las variables atmosféricas, características físicas, topográficas y de cobertura vegetal. Con el fin de evaluar las estimaciones de humedad superficial, se realizó la revisión bibliográfica de fuentes de estimación remota por microondas y/o modelos de superficie, sus características, ventajas y desventajas, metodologías de validación, que pudieran ser aplicadas de manera efectiva para las condiciones particulares del territorio colombiano. Basándose en la revisión de fuentes de estimación, se realizó la selección de fuentes de estimación de humedad concentrándose en las bandas de recuperación que tuvieran mayor potencial (L y C), adicionando también productos de estimación en la banda X, productos de combinación de radares activos-pasivos y productos de reanálisis con el fin de realizar una revisión lo más completa posible de la diversidad de fuentes de estimación. Posteriormente se realizó la validación de ocho (8) fuentes de estimación (5 de satélite de misión única, 1 de combinación de misiones satelitales radares activos-pasivos y 2 fuentes de reanálisis) desglosados en 23 productos de estimación de humedad superficial. Entre los principales resultados, se encontró que las estimaciones de combinaciones de diversidad de bandas, pasos de órbitas y misiones presentan los mejores rendimientos, regiones con condiciones de baja cobertura vegetal, pendientes suaves y clasificaciones climáticas cálidas presentan las mejores métricas de validación. Sin embargo, para regiones con topografía montañosa, vegetación densa y climas fríos los modelos de superficie son una fuente de estimación promisoria, que con las parametrizaciones adecuadas se pueden mejorar significativamente las estimaciones de la humedad superficial. (Texto tomado de la fuente)Water is one of the most important components of our planet, it is present in nature in three states, as well as in the atmosphere, the earth's surface and the oceans. Soil moisture is one of the essential agroclimatic variables due to its importance in the flow of water and energy between the earth and the atmosphere. In recent decades, its estimation on a regional scale has gained relevance in solving hydrological, meteorological and agronomic problems; In this sense, in situ sensor networks on Colombian territory are not sufficient to adequately characterize the humidity condition of agricultural areas. In this context, the objective of the thesis was to evaluate methods for the timely estimation of surface humidity conditions for the Colombian territory, determining by regions which or which would be the most promising sources for the implementation of applications in various disciplines, which contribute to the decision-making for farmers, national, regional and local leaders, as well as for sector technicians, researchers and forecasters, among others. For this, the quality control methodology developed for the International Soil Moisture Network (ISMN) was applied, adjusted to the equatorial conditions of Colombia. With the soil moisture measurements considered good, the spatio-temporal analysis of the variable was carried out to determine what is the relationship between the soil moisture, with the atmospheric variables, physical, topographic and plant cover characteristics. To evaluate the surface moisture estimates, a bibliographic review of remote estimation sources by microwaves and / or surface models, their characteristics, advantages and disadvantages, validation methodologies, that could be applied effectively for the particular conditions of the Colombian territory. Based on the review of estimation sources, the selection of humidity estimation sources was made, concentrating on the recovery bands that had the greatest potential (L and C), also adding estimation products in the X band, radar combination products active-passive radar and products of a reanalysis to carry out a review as complete as possible of the diversity of sources of estimation. Subsequently, the validation of eight (8) estimation sources was carried out (5 from single mission satellites, 1 from a combination of active-passive radar satellite missions and 2 reanalysis sources) broken down into 23 surface moisture estimation products. Among the main results, it was found that the estimates of combinations of band diversity, orbital passages and missions present the best performance, regions with conditions of low vegetation cover, gentle slopes and warm climatic classifications present the best validation metrics. However, for regions with mountainous topography, dense vegetation and cold climates, surface models are a promising source of estimation, which with the appropriate parameterization can significantly improve the estimates of surface moisture. (Texto tomado de la fuente)FEDEARROZ - FEDERACION NACIONAL DE ARROCEROS, con la administración del Fondo Nacional del Arroz, parafiscal recaudado por la venta de arroz paddy verde en Colombia que corresponde al 0.5% del valor comercial del paddy al momento de la comercialización. Financia la investigación para el cultivo de arroz en Colombia y la adopción de capacidades de los investigadores adscritos al Fondo Nacional del Arroz, en la ampliación de las capacidades de los investigadores mediante la realización de estudios de maestría.MaestríaMagíster en Ciencias - MeteorologíaMeteorología Agrícola y Meteorología Aplicada254 páginasapplication/pdfspaUniversidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - MeteorologíaDepartamento de GeocienciasFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá550 - Ciencias de la tierraAgrometeorologíaControl de calidadVariabilidad espacio-temporalDesempeño de recuperaciónAlgoritmos de recuperaciónAgrometeorologyQuality controlSpatio-temporal variabilityRecovery performanceRecovery algorithmsAgroclimatologíaAgroclimatologyHumedad del sueloSoil moistureEvaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de ColombiaEvaluation of agroclimatic methods for timely estimation of the conditions of surface soil moisture in agricultural areas of ColombiaTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMColombiaFranklyn, R., Arango C, D. 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Water Resources Research, 46:6508.GeneralDesarrollo de Herramientas agroclimáticas para la estimación oportuna de la humedad de suelo en zonas agrícolas colombianasFedearroz - Fondo Nacional del ArrozLICENSElicense.txtlicense.txttext/plain; charset=utf-83964https://repositorio.unal.edu.co/bitstream/unal/79696/1/license.txtcccfe52f796b7c63423298c2d3365fc6MD51ORIGINALTesis_FranciscoHernandez_HumedadSueloColombia.pdfTesis_FranciscoHernandez_HumedadSueloColombia.pdfTesis de Maestría en Ciencias - Meteorologíaapplication/pdf31051069https://repositorio.unal.edu.co/bitstream/unal/79696/2/Tesis_FranciscoHernandez_HumedadSueloColombia.pdf439195995a836e37b49982ff50d49d13MD52CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8799https://repositorio.unal.edu.co/bitstream/unal/79696/3/license_rdff7d494f61e544413a13e6ba1da2089cdMD53THUMBNAILTesis_FranciscoHernandez_HumedadSueloColombia.pdf.jpgTesis_FranciscoHernandez_HumedadSueloColombia.pdf.jpgGenerated 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Evaluación de métodos agroclimáticos para la estimación oportuna de las condiciones de humedad superficial del suelo en zonas agrícolas de Colombia

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