Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.11765/12946
Twenty years of ground-based NDACC FTIR spectrometry at Izaña Observatory - overview and long-term comparison to other techniques
Title: Twenty years of ground-based NDACC FTIR spectrometry at Izaña Observatory - overview and long-term comparison to other techniques
Authors: García Rodríguez, Omaira Elena ORCID RESEARCHERID Autor AEMETSchneider, Matthias RESEARCHERID Sepúlveda Hernández, EliezerHase, FrankBlumenstock, ThomasCuevas Agulló, Emilio ORCID RESEARCHERID SCOPUSID Autor AEMETRamos López, RamónAutor AEMETGross, JochenBarthlott, SabineRöhling, Amelie N.Sanromá, Esther ORCID RESEARCHERID González Ramos, Yenny ORCID Gómez Peláez, Ángel Jesús ORCID RESEARCHERID SCOPUSID Autor AEMETNavarro Comas, MónicaPuentedura, OlgaYela, MargaritaRedondas, Alberto ORCID RESEARCHERID Autor AEMETCarreño Corbella, VirgilioLeón-Luis, Sergio F.Autor AEMETReyes, EnriqueAutor AEMETGarcía Cabrera, Rosa Delia ORCID RESEARCHERID Rivas Soriano, Pedro PabloAutor AEMETRomero Campos, Pedro Miguel ORCID RESEARCHERID Autor AEMETTorres, CarlosAutor AEMETPrats Porta, Natalia ORCID Autor AEMETHernández Martínez de la Peña, MiguelAutor AEMETLópez, César
Keywords: Spectrometers; Solar observations; FTIR measurements; Ozone
Issue Date: 2021
Publisher: European Geosciences Union
Citation: Atmospheric Chemistry and Physics. 2021, 21(20), p. 15519–15554
Publisher version: https://doi.org/10.5194/acp-21-15519-2021
Abstract: High-resolution Fourier transform infrared (FTIR) solar observations are particularly relevant for climate studies, as they allow atmospheric gaseous composition and multiple climate processes to be monitored in detail. In this context, the present paper provides an overview of 20 years of FTIR measurements taken in the framework of the NDACC (Network for the Detection of Atmospheric Composition Change) from 1999 to 2018 at the subtropical Izaña Observatory (IZO, Spain). Firstly, long-term instrumental performance is comprehensively assessed, corroborating the temporal stability and reliable instrumental characterization of the two FTIR spectrometers installed at IZO since 1999. Then, the time series of all trace gases contributing to NDACC at IZO are presented (i.e. C2H6, CH4, ClONO2, CO, HCl, HCN, H2CO, HF, HNO3, N2O, NO2, NO, O3, carbonyl sulfide (OCS), and water vapour isotopologues H162O, H182O, and HD16O), reviewing the major accomplishments drawn from these observations. In order to examine the quality and long-term consistency of the IZO FTIR observations, a comparison of those NDACC products for which other high-quality measurement techniques are available at IZO has been performed (i.e. CH4, CO, H2O, NO2, N2O, and O3). This quality assessment was carried out on different timescales to examine what temporal signals are captured by the FTIR records, and to what extent. After 20 years of operation, the IZO NDACC FTIR observations have been found to be very consistent and reliable over time, demonstrating great potential for climate research. Long-term NDACC FTIR data sets, such as IZO, are indispensable tools for the investigation of atmospheric composition trends, multi-year phenomena, and complex climate feedback processes, as well as for the validation of past and present space-based missions and chemistry climate models.
Sponsorship : The Izaña FTIR station has been supported by the German Bundesministerium für Wirtschaft und Energie (BMWi) via DLRunder grants 50EE1711A and by the Helmholtz Society via the research program ATMO. In addition, this research was funded by the European Research Council under FP7/(2007-2013)/ERC Grant agreement nº 256961 (project MUSICA), by the Deutsche Forschungsgemeinschaft for the project MOTIV (GeschaFTIRzeichen SCHN 1126/2-1), by the Ministerio de Economía y Competitividad from Spain through the projects CGL2012-37505 (project NOVIA) and CGL2016-80688-P (project INMENSE), and by EUMETSAT under its Fellowship Programme (project VALIASI).
URI: http://hdl.handle.net/20.500.11765/12946
ISSN: 1680-7316
1680-7324
Appears in Collections:Artículos científicos 2019-2022


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