First record of changes on chloride and stable isotopes from an ice accumulation in the Torca de La Grajera (Burgos, N Spain) - Turrero, María Jesús; Garralón, Antonio; Sánchez Moreno, Lorenzo; Ortega Martínez, Ana Isabel; Gómez González, Paloma; Martín-Merino, Miguel Ángel; Martín Chivelet, Javier (2018)