Tropospheric water vapour isotopologue data (H2 16O, H2 18O,

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TitleTropospheric water vapour isotopologue data (H2 16O, H2 18O, and HD16O) as obtained from NDACC/FTIR solar absorption spectraAbstractWe report on the ground-based FTIR (Fourier transform infrared) tropospheric water vapour isotopologue remote sensing data that have been recently made available via the database of NDACC (Network for the Detection of Atmospheric Composition Change; ftp://ftp.cpc.ncep.noaa.gov/ndacc/MUSICA/) and via doi.10.5281/zenodo.48902. Currently, data are available for 12 globally distributed stations. They have been centrally retrieved and quality-filtered in the framework of the MUSICA project (MUlti-platform remote Sensing of Isotopologues for investigating the Cycle of Atmospheric water). We explain particularities of retrieving the water vapour isotopologue state (vertical distribution of H2 16O, H2 18O, and HD16O) and reveal the need for a new metadata template for archiving FTIR isotopologue data. We describe the format of different data components and give recommendations for correct data usage. Data are provided as two data types. The first type is best-suited for tropospheric water vapour distribution studies disregarding different isotopologues (comparison with radiosonde data, analyses of water vapour variability and trends, etc.). The second type is needed for analysing moisture pathways by means of H2O, Î´D-pair distributions. Copyright Author(s) 2017.AcknowledgementsWe would like to thank the many different technicians, PhD students, postdocs, and scientists from the different research groups that have been involved in the NDACC-FTIR activities during the last two decades. Thanks to their excellent work (maintenance, calibration, observation activities, etc.), high-quality, long-term data sets can be generated. The Eureka measurements were made at the Polar Environment Atmospheric Research Laboratory (PEARL) by the Canadian Network for the Detection of Atmospheric Change (CANDAC), led by James R. Drummond, and in part by the Canadian Arctic ACE Validation Campaigns, led by Kaley A. Walker. They were supported by the AIF/NSRIT, CFI, CFCAS, CSA, EC, GOC-IPY, NSERC, NSTP, OIT, PCSP, and ORF. The authors wish to thank PEARL site manager Pierre F. Fogal, the CANDAC operators, and the staff at Environment CanadaÅ› Eureka weather station for their contributions to data acquisition, and logistical and on-site support. We thank the Alfred Wegener Institute Bremerhaven for support in using the AWIPEV research base, Spitsbergen, Norway. The work has been supported by the EU project NORS. We gratefully acknowledge the support by the SFB/TR 172 `ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms (AC) 3 Ìin Projects B06 and E02 funded by the DFG. We would like to thank Uwe Raffalski and Peter VÃ¶lger for technical support at IRF Kiruna. The University of Liege contribution to the present work has primarily been supported by the A3C PRODEX programme, funded by the Belgian Federal Science Policy Office (BELSPO, Brussels), and by the Swiss GAW-CH programme of MeteoSwiss (Zurich). Laboratory developments and mission expenses were funded by FRS-FNRS and the FÃ©dÃ©ration Wallonie-Bruxelles, respectively. We thank the International Foundation High Altitude Research Stations Jungfraujoch and Gornergrat (HFSJG, Bern) for supporting the facilities needed to perform the observations. Eliezer SepÃºlveda is supported by the Ministerio de EconomÌia y Competitividad from Spain under the project CGL2012-37505 (NOVIA project). The measurements in Mexico (Altzomoni) are supported by UNAM-DGAPA grants (IN109914, IN112216) and Conacyt (239618, 249374). Start-up of the measurements in Altzomoni was supported by the International Bureau of BMBF under contract no. 01DN12064. Special thanks to A. Bezanilla for data management and the RUOA programme (www.ruoa.unam.mx) and personnel for helping maintain the station. Measurements at Wollongong are supported by the Australian Research Council, grant DP110103118. We would like to thank Antarctica New Zealand and the Scott Base staff for providing logistical support for the NDACC-FTIR measurement programme at Arrival Heights. This study has been conducted in the framework of the project MUSICA, which was funded by the European Research Council under the European CommunityÅ› Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement number 256961.Funding DetailsDP110103118, ARC, Australian Research Council; CFCAS, Canadian Foundation for Climate and Atmospheric Sciences; CFI, Cummings Foundation; CSA, Canadian Space Agency; DFG, Massachusetts Department of Fish and Game; EC, European Commission; 256961, ERC, European Research Council; MINECO, Ministerio de Econom\Ìia y Competitividad; NSERC, Natural Sciences and Engineering Research Council of Canada; OIT, Ontario Innovation Trust

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1st AuthorBarthlott, S.AuthorBarthlott, S.Schneider, M.Hase, F.Blumenstock, T.Kiel, M.Dubravica, D.Garcia, O.Sepulveda, E.Mengistu Tsidu, G.Takele Kenea, S.Grutter, M.Plaza-Medina, E.Stremme, W.Strong, K.Weaver, D.Palm, M.Warneke, T.Notholt, J.Mahieu, E.Servais, C.Jones, N.Griffith, D.Smale, D.Robinson, J.Year2017JournalEarth System Science DataVolume9Number1Pages15-29DOI10.5194/essd-9-15-2017URLhttps://www.scopus.com/inward/recor.....7f48cbf32b3b51259788b5acfKeywordsrank5ProgrammeK085 - Remote sensing and sampling of atmospheric trace gases and greenhouse gases

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TypeArticleCitationBarthlott, S., Schneider, M., Hase, F., Blumenstock, T., Kiel, M., Dubravica, D., Garcia, O., Sepulveda, E., Mengistu Tsidu, G., Takele Kenea, S., Grutter, M., Plaza-Medina, E., Stremme, W., Strong, K., Weaver, D., Palm, M., Warneke, T., Notholt, J., Mahieu, E., Servais, C., Jones, N., Griffith, D., Smale, D. and Robinson, J. (2017). Tropospheric water vapour isotopologue data (H2 16O, H2 18O, and HD16O) as obtained from NDACC/FTIR solar absorption spectra. Earth System Science Data, 9(1): 15-29 IdentifierBarthlott2017Relevancerank5Antarctica NZ supported?YesNZARI?No