
espanolEl presente articulo da a conocer los resultados obtenidos de una investigacion desarrollada en el Lago Guamues, la finalidad fue establecer la estructura termica a escala temporal, para lo cual se llevaron a cabo muestreos en los meses de enero a septiembre de 2013, en 10 puntos que abarcan la totalidad de ambientes presentes en el Lago. Para alcanzar el objetivo planteado se realizaron mediciones in situ de los parametros de temperatura del agua, oxigeno disuelto y profundidad, mediante la utilizacion una sonda parametrica de calidad de agua YSI 6600 V2. Se construyeron los perfiles de temperatura y oxigeno disuelto en la columna de agua y se analizo el comportamiento de la estructura termica del lago Guamues. Entre los principales resultados obtenidos se encontro que el lago presenta periodos de mezcla completa en julio y septiembre y se encuentra estratificado en mayo, situacion que se relaciona directamente con la estacionalidad, es decir, que en las epocas de lluvia favorece la mezcla completa y en epocas de verano se presenta la estratificacion termica del lago, situacion que permitio clasificarlo como un lago monomictico calido. Finalmente, se resalta la importancia de este estudio en razon que la zona de estudio reviste de caracteristicas especiales y particulares que han permitido categorizarlo como un ecosistema RAMSAR, dado todo el potencial ecosistemico manifestado en su biodiversidad, bienes y servicios ambientales brindados a la poblacion. No obstante, los estudios existentes sobre la dinamica de la estructura termica son inexistentes en la region y escasos en sistemas de Colombia, principalmente en lagos de alta montana, ya que la gran mayoria de estudios se han desarrollado en lagos templados y embalses tropicales. EnglishThis article discloses the results of research conducted on Lake Guamues, the purpose was to establish the thermal structure timescale. For this, sampling was conducted in 10 locations of the lake covering all of its different environments during the months of January through September 2013. To achieve the stated objective, in situ measurements of the parameters such as water temperature, dissolved oxygen and depth were taken using a parametric probe of water quality YSI 6600 V2. Profiles of temperature and dissolved oxygen in the water column were built and the behavior of the thermal structure of the lake Guamues was analyzed. Among the main results, we found that the lake has periods of complete mixing in July and September and is stratified in May, a situation that is directly related to the seasonality that is, in the rainy season favors complete mixture and in the summertime lake thermal stratification occurs, allowing classify it as a monomictic warm lake. Finally, the importance of this study is highlighted because the study area has special and particular characteristics that have allowed categorizing it as a RAMSAR ecosystem, thanks to the ecosystemical potential manifested in its biodiversity, goods and environmental services provided to the population, however, existing studies about the dynamics of thermal structure are nonexistent in the region and few in the systems of Colombia, mainly in high mountain lakes because the majority of studies have been developed in warm lakes and tropical reservoirs.
monomictic warm, Lake Guamués, estratificación térmica, estructura térmica, monomíctico cálido, thermal stratification, lago tropical del alta montaña, lago Guamués, thermal structure, tropical high mountain lake
monomictic warm, Lake Guamués, estratificación térmica, estructura térmica, monomíctico cálido, thermal stratification, lago tropical del alta montaña, lago Guamués, thermal structure, tropical high mountain lake
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