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Wind kinetic energy climatology and efective resolution for the ERA5 reanalysis
Title: Wind kinetic energy climatology and efective resolution for the ERA5 reanalysis
Authors: Bolgiani, PedroCalvo Sancho, CarlosDíaz Fernández, JavierQuitián Hernández, LaraSastre, MarianoSantos Muñoz, DanielAutor AEMETFarrán Martín, José IgnacioGonzález-Alemán, Juan Jesús ORCID RESEARCHERID SCOPUSID Autor AEMETValero Rodríguez, FranciscoMartín Pérez, María Luisa
Keywords: Energy spectrum; Efective resolution; Climatology; ERA5
Issue Date: 2022
Publisher: Springer
Citation: Climate Dynamics. 2022, p. 1-16
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Abstract: ERA5 represents the state of the art for atmospheric reanalyses and is widely used in meteorological and climatological research. In this work, this dataset is evaluated using the wind kinetic energy spectrum. Seasonal climatologies are generated for 30° latitudinal bands in the Northern Hemisphere (periodic domain) and over the North Atlantic area (limited-area domain). The spectra are also assessed to determine the efective resolution of the reanalysis. The results present notable diferences between the latitudinal domains, indicating that ERA5 is properly capturing the synoptic conditions. The seasonal variability is adequate too, being winter the most energetic, and summer the least energetic season.
Sponsorship : This work is supported by the Interdisciplinary Mathematics Institute of the Complutense University of Madrid and funded by the Spanish Ministry of Economy under the following research projects: PID2019-105306RB-I00 (IBERCANES), CGL2016-78702 (SAFEFLIGHT), PCIN-2016-080 and FEI-EU-17-16.
ISSN: 0930-7575
Appears in Collections:Artículos científicos 2019-2022

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