Isótopos estables en la dinámica del ciclo hidrológico del Pacífico Central de Nicaragua

Tesis Materias > Ingeniería Universidad Internacional Iberoamericana Puerto Rico > Docencia > Trabajos finales de Máster Cerrado Español La zona central del Pacífico de Nicaragua tiene su origen tectónico debido a la actividad entre las placas tectónicas de Coco y Caribe, conforman un complejo de estructuras volcánicas que se han llenado de sedimentos, dando lugar a acuíferos productivos y a estructuras de lagunas cratéricas, destacando los lagos Cocibolca y Xolotlán. Esta disponibilidad hídrica está estrechamente relacionada con que el 35.7% de la población y la industria de Nicaragua se encuentren en esta región. Esta investigación utiliza isótopos estables de Oxígeno 18 y Deuterio en las precipitaciones, aguas subterráneas y aguas superficiales de lagos y lagunas, para ajustar el modelo hidrológico conceptual de esta región. Las precipitaciones mostraron fluctuaciones propias del clima de Nicaragua, donde el empobrecimiento se acentúa en los meses de mayor precipitación (mayo, septiembre y octubre) empobrecimiento de δ18O superior a -7 ‰, hay evidencia de enriquecimiento producto del fenómeno climático conocido como canícula en los meses de julio-agosto. Aguas subterráneas presentan alta variabilidad en los contenidos isotópicos, un grupo relacionado que se recarga de precipitaciones a elevaciones entre 700-900 m.s.n.m. en dirección meseta de los pueblos-El Crucero-Ciudad Sandino, los valores δ18O oscilan entre -7 y -8 ‰. Otro grupo presenta contenido isotópico notablemente más enriquecido (-5.8 a -5.0 ‰ de δ18O) desde Calderas del Volcán Masaya hacia Tipitapa, con posible influencia de termalismo tectónico. Las aguas superficiales tendencia de enriquecimiento isotópico con valores δ18O entre +5 hasta -10 ‰, funcionando como influentes-efluentes de acuerdo con el gradiente hidráulico y las líneas de flujo subterráneas. Por su parte, los lagos Cocibolca y Xolotlán sugieren un funcionamiento ganador, siendo alimentados por fuentes de agua superficial y subterránea. metadata Barberena Moncada, Javier Antonio mail barmon88@yahoo.com (2022) Isótopos estables en la dinámica del ciclo hidrológico del Pacífico Central de Nicaragua. Masters thesis, SIN ESPECIFICAR.

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Resumen

La zona central del Pacífico de Nicaragua tiene su origen tectónico debido a la actividad entre las placas tectónicas de Coco y Caribe, conforman un complejo de estructuras volcánicas que se han llenado de sedimentos, dando lugar a acuíferos productivos y a estructuras de lagunas cratéricas, destacando los lagos Cocibolca y Xolotlán. Esta disponibilidad hídrica está estrechamente relacionada con que el 35.7% de la población y la industria de Nicaragua se encuentren en esta región. Esta investigación utiliza isótopos estables de Oxígeno 18 y Deuterio en las precipitaciones, aguas subterráneas y aguas superficiales de lagos y lagunas, para ajustar el modelo hidrológico conceptual de esta región. Las precipitaciones mostraron fluctuaciones propias del clima de Nicaragua, donde el empobrecimiento se acentúa en los meses de mayor precipitación (mayo, septiembre y octubre) empobrecimiento de δ18O superior a -7 ‰, hay evidencia de enriquecimiento producto del fenómeno climático conocido como canícula en los meses de julio-agosto. Aguas subterráneas presentan alta variabilidad en los contenidos isotópicos, un grupo relacionado que se recarga de precipitaciones a elevaciones entre 700-900 m.s.n.m. en dirección meseta de los pueblos-El Crucero-Ciudad Sandino, los valores δ18O oscilan entre -7 y -8 ‰. Otro grupo presenta contenido isotópico notablemente más enriquecido (-5.8 a -5.0 ‰ de δ18O) desde Calderas del Volcán Masaya hacia Tipitapa, con posible influencia de termalismo tectónico. Las aguas superficiales tendencia de enriquecimiento isotópico con valores δ18O entre +5 hasta -10 ‰, funcionando como influentes-efluentes de acuerdo con el gradiente hidráulico y las líneas de flujo subterráneas. Por su parte, los lagos Cocibolca y Xolotlán sugieren un funcionamiento ganador, siendo alimentados por fuentes de agua superficial y subterránea.

Tipo de Documento: Tesis (Masters)
Palabras Clave: hidrología isotópica, acuíferos, lagunas cratéricas, volcanes, línea meteórica
Clasificación temática: Materias > Ingeniería
Divisiones: Universidad Internacional Iberoamericana Puerto Rico > Docencia > Trabajos finales de Máster
Depositado: 10 Nov 2023 23:30
Ultima Modificación: 10 Nov 2023 23:30
URI: https://repositorio.unib.org/id/eprint/1895

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