Climate of the Pyrenees: Extremes indices and long-term trends
Financiación H2020 / H2020 Funds
Resumen: We utilized an extensive, multisource, cross-border dataset of daily meteorological observations from over 1500 stations in the Pyrenees, spanning from the mid-20th century to 2020, to examine the spatial and temporal climate patterns. Our focus was on 17 indices related to extreme precipitation and temperature events across the mountain range. The original data underwent rigorous quality control and homogenization processes, employing a comprehensive workflow that included spatial modeling based on environmental predictors. This process yielded two main outcomes: 1) a high-resolution gridded dataset (1 km2) of daily precipitation, maximum and minimum temperature from 1981 to 2020, allowing for a detailed analysis of spatial variations; and 2) an evaluation of long-term annual and seasonal trends from 1959 to 2020, using selection of high-quality data series that were homogenized to preserve their temporal structure and coherence. The findings revealed a clear elevation-related pattern in temperature indices (with the exception of tropical nights, which were predominantly observed on the Mediterranean side) and a distinct north-south latitudinal disparity in precipitation, turning longitudinal when focusing on extreme precipitation events. Overall, there was a notable and significant warming trend of 0.2 to 0.4 °C per decade, and a non-significant change of precipitation, with the exception of the southern and Mediterranean regions, where there was a notable decrease, approximately −3 % per decade, observed on an annual basis.
Idioma: Inglés
DOI: 10.1016/j.scitotenv.2024.173052
Año: 2024
Publicado en: SCIENCE OF THE TOTAL ENVIRONMENT 933 (2024), 173052 [12 pp.]
ISSN: 0048-9697

Financiación: info:eu-repo/grantAgreement/EC/H2020/101024389/EU/medITerranean HydroclimAte variability over the Common erA/ITHACA
Financiación: info:eu-repo/grantAgreement/ES/MICINN/RYC2021-034330-I
Financiación: info:eu-repo/grantAgreement/ES/NextGenerationEU/PRTR
Tipo y forma: Article (Published version)
Área (Departamento): Área Geografía Física (Dpto. Geograf. Ordenac.Territ.)
Área (Departamento): Área Análisis Geográfico Regi. (Dpto. Geograf. Ordenac.Territ.)


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