Maestría en Ciencias de la Tierra (tesis)
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Ítem Modelos 1D y 2D en la cuenca Caguán-Putumayo de Colombia : implicaciones para la generación de hidrocarburos líquidos en la cuenca(Universidad EAFIT, 2023) Redondo Toro, Laura; Betrán Triviño, Alejandro; Páez Reyes, Manuel; Aguilera, RobertoÍtem Tectonic Control On Costal Subsidence Around Cartagena Area And Northwestern Colombian Caribbean Coast(Universidad EAFIT, 2023) Gómez Álvarez, José Daniel; Duque Trujillo, José FernandoÍtem Advances and findings in geodiversity estimation with an emphasis on the potential of geosystem goods and services : Sierra Nevada de Santa Marta(Universidad EAFIT, 2023) Zapata Herrera, Juan Fernando; Marín Cerón, María IsabelÍtem Estimation of potential groundwater recharge, and evaluation of the possible effects of climate change scenarios on recharge in La Tatacoa desert(Universidad EAFIT, 2023) Ballesteros Buitrago, Karen Dayana; Jaramillo Uribe, Marcela; Vergara Bechara, SantiagoÍtem Clasificación de puntos de agua mediante análisis hidroquímico y métodos de estadística multivariada en un sistema hidrogeológico dominado por rocas ígneas plutónicas y depósitos de vertiente(Universidad EAFIT, 2022) Chavarria Arboleda, Laura; Jaramillo Uribe, MarcelaÍtem Elaboración de un catálogo de bacterias cultivables como línea base de aislamientos con potencial hidrocarbonoclasta, de dos zonas con alta influencia petrolífera en Colombia(Universidad EAFIT, 2022) Enríquez Delgado, Sandra Milena; Pinel Peláez, NicolásFrom suspensions of environmental substrates (water, soil and sediment) from two zones with high oil influence in the country (Magdalena and Casanare) were isolated through conventional cultivation, 200 strains that formed the baseline of a catalog of bacterial biological interpretation. In this study, emphasis was placed on the cultivation process, isolation and integral identification (morphological, biochemical and genetic) of the isolates, with a view to understanding the repertoire and its functional dynamics. Molecular identification is based on genomic analysis from DNA sequencing and direct amplification of the 16s gene rRNA from bacterial biomass. Additionally, through the use of a minimal medium of salts supplemented with hydrocarbons at 1% v/v as the only carbon source, 27 were identified strains with hydrocarbonoclastic potential. The strains identified as tolerant to crude and bacterial consortia inoculated from soil samples directly, were tested of biodegradation, evaluating the percentage transformation of total hydrocarbons of oil (HTP) in 30 days of incubation. The biodegradation rates of HTP were determined under gas chromatography analysis coupled to a flame ionization detector (GCFID) and were related to the growth kinetics (CFU/mL) of the isolates through of the incubation time (30 days). Under observation time and post-identification molecular biodegradation of the isolates members of genera such as: Bacillus, Pseudomonas, Enterobacter and Burkholderia-Caballeronia-Paraburkholderia, in a range between 53.66 and 82% and in one of the consortiums 91.28%. The strains evaluated demonstrated an important enzymatic potential to degrade hydrocarbons and provide the opportunity to continue with the study of the bioremediation potential in areas affected by hydrocarbon contamination.Ítem Middle Miocene Distributive Fluvial System : Cerbatana Conglomerate Beds (Honda Group, Tatacoa Desert, Colombia)(Universidad EAFIT, 2022) Romero Montes, Elizabeth; Cárdenas Rozo, Andrés LeonardoÍtem Geochemistry and geochronology of the Permian arc magmatism of the Central Cordillera of Colombia(Universidad EAFIT, 2022) Restrepo Velásquez, Marcela; Bustamante Londoño, CamiloÍtem Regional tectonic constraint through low-temperature thermochronology : The Don Javier porphyritic system, southern Peru(Universidad EAFIT, 2021) Chuquimia Pacheco, Gino Enmio; Marín Cerón, María IsabelÍtem Fossil-Lagerstätte La Venta (middle Miocene, Northern South America): Paleoecological signatures of the fossil mammalian assemblage of the Honda Group(Universidad EAFIT, 2019) Mora Rojas, Laura; Cárdenas Rozo, Andrés LeonardoÍtem Wave Energy Flux Variability Along Continental Shelves of Compressional Margins : a Wave Climate Data-Driven Approach(Universidad EAFIT, 2021) Ramos-Chavarriaga, Esteban; Paniagua-Arroyave, Juan FelipeDominant dynamics of available wave energy dictate coastal gradients in alongshore sediment transport on continental shelves, where large-scale coastal features depend upon wave-induced sediment fluxes. We propose to study wave energy flux (P) variability from high-fidelity simulations of wave climate data, to classify the fundamental patterns of P into morphodynamical regimes, serving as a data-driven indicator for large-scale, and wave-induced coastal evolution. Additionally, we describe the variability of P in a complex system framework to produce a reduced-order model (ROM) of the system of interest. Where we discover, reduce, and solve a symbolic expression that forecasts the spatial variability of P along continental shelves, balancing accuracy, and complexity to obtain a parsimonious model of reality.Ítem Fossil-lagerstatte La Venta (middle miocene, Northern South America) : paleoecological signatures of the fossil mammalian assemblage of the Honda group(Universidad EAFIT, 2019) Mora Rojas, Laura; Cárdenas Rozo, Andrés LeonardoÍtem Scaling hydraulic conductivity by applying laplacian with skin to fractures network(Universidad EAFIT, 2021) Cetre Orejuela, Harol Alexander; Jaramillo Uribe, Marcela; Álvarez Villa, Oscar DavidÍtem Análisis hidroestructural y estimación de recarga potencial por precipitación de la dunita de Medellín, sistema acuífero del valle de Aburrá(Universidad EAFIT, 2021) Patiño Rojas, Sandra Maria; Jaramillo Uribe, MarcelaÍtem Dinámica costera durante el Mioceno tardío - Plioceno temprano al norte del Cinturón Plegado Sinú - San Jacinto, Colombia(Universidad EAFIT, 2021) Cárdenas Gómez, Claudia Patricia; Cárdenas Rozo, Andrés Leonardo; Rincón Martínez, Daniel AndrésÍtem Evaluación de métodos heurísticos y estadísticos para zonificación de amenazas por movimientos en masa a escalas intermedias(Universidad EAFIT, 2021) Gamboa Ramírez, Marco Fidel; Bedoya Sanmiguel, Oscar GeovanyÍtem Caracterización morfo-química y diferenciación del material particulado PM10-2.5 en el Valle de Aburrá (Medellín, Colombia)(Universidad EAFIT, 2020) Rausch, Juanita; Jaramillo Vogel, David; Avellaneda Franco, José David; Duque Trujillo, José FernandoÍtem Jurassic to early Cretaceous crustal thickness in the Colombian Northern Andes : insight on the magmatic thermal variations and emplacement conditions of plutonic rocks(Universidad Eafit, 2020) Chavarría Chavarría, Luisa Fernanda; Bustamante Londoño, CamiloÍtem Kinematics and stress field analysis from a major strike-slip fault on the Northern Andes : the Palestina Fault System(Universidad EAFIT, 2020) Duque Trujillo, José Fernando; Saldarriaga Echeverri, Mónica; Duque Trujillo, José FernandoÍtem Modelo hidrodinámico y de oleaje del mar caribe : DELFT Caribe(Universidad EAFIT, 2019) Posada Jaramillo, Federico; Correa Arango, Iván DaríoA two-dimensional large scale mathematical model is presented, which was later migrated to three dimensions, coupling hydrodynamics and waves in the southern Caribbean Sea, named Delft Caribe. The low spatial and temporal coverage of the oceanographic measurements in the study area and the need to know the waves, currents and tides, and the interaction between them at different points of interest led to the construction of this model. The Delft 3D modeling platform was used, which is extensively validated for multidimensional simulation of flows and transport phenomena. The model considers at its borders tidal forcing, atmospheric factors, discharges of tributaries and waves from the Atlantic Ocean. The model results were validated, statistically and qualitatively, for the dry and wet seasons. The good results of the model allow to carry out different experiments aimed to know the performance of the tool to calculate the following: • Velocities of surface currents. • Changes in directions and heights of waves. • Levels of waves. • Changes in the above mentioned variables due to the passage of cold fronts and hurricanes. It was observed that the waves in the southern Caribbean come parallel to the trade winds (Northeast to Southwest) from the Lesser Antilles, to the Guajira peninsula continuing toward the Central American coast of Honduras and Nicaragua, and simultaneously turning south to the Gulf of Urabá and the coasts of Costa Rica and Panama. The significant heights in the model area increased in the dry season and with the passage of storms, with wave heights of: • 6 m in the zone near Guajira Peninsula- • 3 m in the Urabá Gulf. • 3 m in the San Andrés Archipelago zone. The model simulates, in a coherent manner, the Caribbean Current and Panamá Colombia Gyre. The first comes from the Atlantic entering through the model east border and flows to the Guajira Peninsula, where it turns into the Gulf of Mexico and the second is a gyre flowing from Panama to Colombia, with higher velocities during the wet season when the Caribbean current is less strong.
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