Polos fríos en el Calar de Hernán Pelea y Cabrilla (Jaén, España), factores sinópticos y de microescala
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Los extensos e inhóspitos calares ubicados en las Sierra de Segura y Cabrilla (divisoria entre las demarcaciones hidrográficas del Segura y Guadalquivir) presentan un estereotipo microclimático caracterizado por inviernos extremadamente fríos, con temperaturas mínimas absolutas cercanas a -30ºC en invierno, y -10ºC y -15ºC en otoño y primavera respectivamente. Los datos registrados han sido obtenidos de una red propia de termómetros registradores (datalogger) entre octubre de 2016 y febrero de 2021 (con un total de cinco inviernos de observación). A través del análisis estadístico de datos diezminutales y diarios de tres puntos de observación (Monterilla, Navalasno y Nava del Polvo), imágenes satelitales (VIIRS LST) y reanálisis mesoescalares es posible llevar a cabo la primera descripción climática del área de estudio, así como la identificación de los factores desencadenantes (sinópticos y de microescala) de las temperaturas mínimas extremas registradas, y el análisis de la tipología de los procesos de inversión térmica nocturna (ITN) y las piscinas de aire frío (CAP) generadas en el área de estudio. A pesar de que el tipo de piscina fría predominante es la de erosión turbulenta (39,0 %), los procesos de estabilidad nocturno son intensos (CINV entre 7,6 y 12,5ºC).
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