Análisis facial del sistema lagunar cerrado Laguna Seca, en el Páramo Parque Natural Nacional Chingaza (Colombia) y su vinculación con la variabilidad ambiental

dc.contributor.advisorJaramillo Justinico, Alexisspa
dc.contributor.advisorGómez González, Clemenciaspa
dc.contributor.authorMayor Amador, Andrea Milenaspa
dc.coverage.countryColombiaspa
dc.coverage.tgnhttp://vocab.getty.edu/page/tgn/1000050
dc.date.accessioned2024-05-08T19:16:56Z
dc.date.available2024-05-08T19:16:56Z
dc.date.issued2023
dc.descriptionilustraciones, diagramas, fotografías, mapasspa
dc.description.abstractEl páramo de Chingaza hace parte de uno de los sistemas ecológicos y ambientales exclusivos de la zona neotropical e intra montano Andino de Colombia. La Laguna Seca, es uno de los sistemas heredados lagunares del páramo por eventos glaciares del Pleistoceno Tardío, con una fuente de aporte reducida, permitiendo la conservación del sedimento y un registro continuo desde los 16.329 años cal BP al presente. Este estudio busca identificar condiciones ambientales y cambios relacionados a la evolución del sistema climático a partir de una descripción facial detallada y la suma de análisis mineralógicos, isotópicos y geoquímicos para un sondeo de 414 cm de sedimento recolectado en la Laguna Seca. El análisis permitió diferenciar 8 zonas climáticas relacionadas con condiciones de sequía- humedad, con bajas y altas temperaturas que reflejan en su mayor parte eventos estadiales e interestadiales de talla global reportados en Colombia para el Cuaternario. De esta forma, se evidencia que los cambios sedimentológicos juntos con sus rasgos químicos, son proxies que responden a cambios ambientales, siendo de gran utilidad para estudios paleoambientales de las zonas paramunas de alta montaña. (Texto tomado de la fuente).spa
dc.description.abstractThe Chingaza one part of one of the exclusive ecological and environmental systems of the neotropical and intra-montane Andean zone of Colombia. Laguna Seca is one of the lake systems inherited from the paramo by glacial events of the Late Pleistocene, with a reduced source of contribution, allowing the conservation of the sediment and a continuous record from 16,329 cal years BP to the present. This study seeks to identify environmental conditions and changes related to the evolution of the climate system based on a detailed facial description and the addition of mineralogical, isotopic and geochemical analyzes for a survey of 414 cm of sediment collected in Laguna Seca. The analysis allowed us to identify 8 climatic zones under conditions of drought-humidity, cold and heat that mostly represent stadial and interstadial events of global size reported in Colombia for the Quaternary. In this way, it is evident that sedimentological changes, together with their chemical traits, are proxies that respond to environmental changes, being very useful for paleoenvironmental studies of high mountain paramunas areas.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ciencias - Geologíaspa
dc.format.extent102 páginas + 7 anexosspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/86051
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.facultyFacultad de Cienciasspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ciencias - Maestría en Ciencias - Geologíaspa
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dc.relation.referencesVriend, M., Groot, M. H. M., Hooghiemstra, H., Bogotá, A., & Berrio, J. C. (2012). Changing depositional environments in the Colombian Fúquene Basin at submillennial time-scales during 284-27 ka from unmixed grain-size distributions and aquatic pollen. Netherlands Journal of Geosciences, 91, 199–214. https://doi.org/10.1017/S0016774600001591spa
dc.relation.referencesWang, X., Cui, L., Xiao, J., & Ding, Z. (2013). Stable carbon isotope of black carbon in lake sediments as an indicator of terrestrial environmental changes: An evaluation on paleorecord from Daihai Lake, Inner Mongolia, China. Chemical Geology, 347, 123–134. https://doi.org/10.1016/J.CHEMGEO.2013.03.009spa
dc.relation.referencesWu, J., & Porinchu, D. F. (2020). A high-resolution sedimentary charcoal- and geochemistry-based reconstruction of late Holocene fire regimes in the páramo of Chirripó National Park, Costa Rica. Quaternary Research (United States), 93(1), 314–329. https://doi.org/10.1017/qua.2019.64spa
dc.relation.referencesZhang, Z., Zhao, M., Lu, H., & Faiia, A. M. (2003). Lower temperature as the main cause of C4 plant declines during the glacial periods on the Chinese Loess Plateau. Earth and Planetary Science Letters, 214(3–4), 467–481. https://doi.org/10.1016/S0012-821X(03)00387-Xspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/spa
dc.subject.ddc550 - Ciencias de la tierra::551 - Geología, hidrología, meteorologíaspa
dc.subject.ddc550 - Ciencias de la tierra::558 - Ciencias de la tierra de América del Surspa
dc.subject.proposalPáramospa
dc.subject.proposalChingazaspa
dc.subject.proposalAnálisis facialspa
dc.subject.proposalZona climáticaspa
dc.subject.proposalPleistocenospa
dc.subject.proposalHolocenospa
dc.subject.proposalProxiesspa
dc.subject.proposalFacial analysiseng
dc.subject.proposalClimatic zoneeng
dc.subject.proposalPleistoceneeng
dc.subject.proposalHoloceneeng
dc.subject.proposalProxyseng
dc.subject.unescoCambio climáticospa
dc.subject.unescoClimate changeeng
dc.subject.unescoEstratigrafíaspa
dc.subject.unescoStratigraphyeng
dc.subject.unescoHidrologíaspa
dc.subject.unescoHydrologyeng
dc.titleAnálisis facial del sistema lagunar cerrado Laguna Seca, en el Páramo Parque Natural Nacional Chingaza (Colombia) y su vinculación con la variabilidad ambientalspa
dc.title.translatedFacial analysis of the closed lake system Laguna Seca in the Paramo Chingaza National Natural Park (Colombia) and its relationship with environmental variabilityeng
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audience.professionaldevelopmentInvestigadoresspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.fundernameHermes a partir de la “convocatoria nacional para el apoyo a proyectos de investigación y creación artística de la Universidad Nacional de Colombia 2017-2018spa
oaire.fundernamePrograma de Estímulos “Thomas van der Hammen” del Jardín Botánico de Bogotá, en la convocatoria II-2019spa

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