Cuantificación y evaluación de la aplicación de riego en el cultivo de palma de aceite como medida adaptativa al cambio climático para condiciones del Pacífico Central de Costa Rica.

Tesis Materias > Ingeniería
Materias > Alimentación
Universidad Europea del Atlántico > Docencia > Trabajos finales de Máster
Universidad Internacional Iberoamericana México > Docencia > Trabajos finales de Máster
Cerrado Español El cambio climático presenta escenarios contraproducentes para la producción agrícola. Generando especial interés en el estudio de medidas de adaptación que eviten establecer prácticas erróneas, debido a que sus efectos podrán ser más contraproducentes que los beneficios generados (Naciones Unidas 2017). El presente estudio evalúa el efecto de la aplicación de riego el cultivo de palma de aceite como medida adaptativa al cambio climático por medio de la utilización de modelos de simulación de producción agrícola calibrados para condiciones del Pacifico Central de Costa Rica.Para poder realizar lo planteado, se realizó un análisis clúster sobre el conjunto de unidad de producción, permitiendo identificar un grupo de lotes de trabajo representativos. Sobre este grupo se generaron simulaciones de sistemas de producción calibradas en el software APSIM. En estos modelos calibrados se corrieron tres escenarios; una Línea base para el periodo 2000-2019, un escenario de cambio climático para mediados de siglo del 2040 al 2059 (ECC1) y otro para finales de siglo del 2080 al 2099 (ECC2). La comparación de las corridas de Línea base contra ECC1 y ECC2 permitió cuantificar los efectos del cambio climático sobre el rendimiento del cultivo de palma de aceite. Finalmente, en las simulaciones los ECC 1 y 2 se aplicó irrigación como medida adaptativa. Determinando los valores de agua disponible en el suelo que mantenga los rendimientos generados en la Línea base.Se establece que para el ECC1 se tendrá una disminución de las lluvias acumuladas anuales del 5.55% y un aumento en la temperatura promedio de 1.73°C, variaciones que generan una disminuirá del rendimiento de la producción del cultivo de un 7.86%. Para el ECC2 las variaciones son mayores con una disminución de la precipitación del 18.06% y un aumento de la temperatura de 3.31°C, afectando el rendimiento en un 37.86% respecto de la producción media de la Línea Base (21.63 t/ha/año). Se concluye que, según las simulaciones realizadas, el riego permite adaptar las condiciones de agua disponible en el suelo, al punto que mantener los rendimientos de la Línea base del cultivo de palma para los escenarios de cambio climático propuestos (ECC1 y ECC2). En ambos casos, en el análisis interanual mostro un incremento en los requerimientos hídricos del cultivo de palma de aceite conforme se establece la época seca. Además, que conforme el ECC se vuelva más intenso el agua disponible en el suelo disminuye aumentando los requerimientos de riego del cultivo de palma de aceite. metadata Watson Hernandez, Fernando mail fwatson@itcr.ac.cr (2022) Cuantificación y evaluación de la aplicación de riego en el cultivo de palma de aceite como medida adaptativa al cambio climático para condiciones del Pacífico Central de Costa Rica. Masters thesis, SIN ESPECIFICAR.

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Resumen

El cambio climático presenta escenarios contraproducentes para la producción agrícola. Generando especial interés en el estudio de medidas de adaptación que eviten establecer prácticas erróneas, debido a que sus efectos podrán ser más contraproducentes que los beneficios generados (Naciones Unidas 2017). El presente estudio evalúa el efecto de la aplicación de riego el cultivo de palma de aceite como medida adaptativa al cambio climático por medio de la utilización de modelos de simulación de producción agrícola calibrados para condiciones del Pacifico Central de Costa Rica.Para poder realizar lo planteado, se realizó un análisis clúster sobre el conjunto de unidad de producción, permitiendo identificar un grupo de lotes de trabajo representativos. Sobre este grupo se generaron simulaciones de sistemas de producción calibradas en el software APSIM. En estos modelos calibrados se corrieron tres escenarios; una Línea base para el periodo 2000-2019, un escenario de cambio climático para mediados de siglo del 2040 al 2059 (ECC1) y otro para finales de siglo del 2080 al 2099 (ECC2). La comparación de las corridas de Línea base contra ECC1 y ECC2 permitió cuantificar los efectos del cambio climático sobre el rendimiento del cultivo de palma de aceite. Finalmente, en las simulaciones los ECC 1 y 2 se aplicó irrigación como medida adaptativa. Determinando los valores de agua disponible en el suelo que mantenga los rendimientos generados en la Línea base.Se establece que para el ECC1 se tendrá una disminución de las lluvias acumuladas anuales del 5.55% y un aumento en la temperatura promedio de 1.73°C, variaciones que generan una disminuirá del rendimiento de la producción del cultivo de un 7.86%. Para el ECC2 las variaciones son mayores con una disminución de la precipitación del 18.06% y un aumento de la temperatura de 3.31°C, afectando el rendimiento en un 37.86% respecto de la producción media de la Línea Base (21.63 t/ha/año). Se concluye que, según las simulaciones realizadas, el riego permite adaptar las condiciones de agua disponible en el suelo, al punto que mantener los rendimientos de la Línea base del cultivo de palma para los escenarios de cambio climático propuestos (ECC1 y ECC2). En ambos casos, en el análisis interanual mostro un incremento en los requerimientos hídricos del cultivo de palma de aceite conforme se establece la época seca. Además, que conforme el ECC se vuelva más intenso el agua disponible en el suelo disminuye aumentando los requerimientos de riego del cultivo de palma de aceite.

Tipo de Documento: Tesis (Masters)
Palabras Clave: Cambio climático, Medidas de adaptación, Irrigación; APSIM, Palma de aceite.
Clasificación temática: Materias > Ingeniería
Materias > Alimentación
Divisiones: Universidad Europea del Atlántico > Docencia > Trabajos finales de Máster
Universidad Internacional Iberoamericana México > Docencia > Trabajos finales de Máster
Depositado: 23 Abr 2024 23:30
Ultima Modificación: 23 Abr 2024 23:30
URI: https://repositorio.unini.edu.mx/id/eprint/2892

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