Raw stable water isotope measurements in water vapour at 13.5 m a.s.l., made in the austral summer of 2016/2017 during the Antarctic Circumnavigation Expedition (ACE).

• Main Authors: Thurnherr, Iris, Aemisegger, Franziska
• Other Authors: Graf, Pascal, Weng, Yongbiao, Thomas, Jenny, Wernli, Heini, Pfahl, Stephan, Sodemann, Harold
• Format: Dataset
• Language: English
• Published: 2019
• Subjects: stable water isotope; Picarro; water vapour; marine boundary layer; laser spectrometer; Southern Ocean; Atlantic Ocean; Antarctic Circumnavigation Expedition; ACE; Antarctic; The Antarctic; Austral; Antarc*; Swiss Polar Institute
• Online Access: https://zenodo.org/record/3664177; https://doi.org/10.5281/zenodo.3664177

Dataset abstract This dataset includes the raw data of stable water vapour isotope (δ18O, δ2H, deuterium excess) and water vapour mixing ratio measurements taken in the Southern Ocean during the Antarctic Circumnavigation Expedition (ACE) from November 2016 to April 2017 using a Picarro laser spectrometer L2130. This data has to be calibrated using the calibration runs and applying an appropriate calibration procedure following the IAEA guide lines. Two similar datasets also measuring stable water isotopes (SWIs) in water vapour were collected during the same expedition and can be distinguished from this dataset due to the height of the measurement collection (8 m a.s.l rather than 13.5 m a.s.l). The three ACE datasets of SWIs in water vapour are described and compared in Thurnherr et al. (2020). The calibrated dataset can be found with DOI:10.5281/zenodo.3250790. Dataset contents year/month/day/HIDS2054-${year}${month}${day}-${time:Hhmmss}Z-DataLog_User.dat, data file, comma-separated values data_file_header.txt, metadata, text format README.txt, metadata, text format Change log v1.1 - Added 13.5 m a.s.l to title of dataset to distinguish it from other similar datasets collected during the expedition. Added calibrated dataset DOI and information about other SWI datasets from ACE, to abstract. Added reference to Thurnherr et al. (2020) to README.txt. Updated citation of dataset in README.txt. v1.0 - Initial release of raw stable water isotope measurements in water vapour dataset. Dataset license This stable water isotope measurements in water vapour dataset is made available under the Creative Commons Attribution 4.0 International License (CC BY 4.0) whose full text can be found at https://creativecommons.org/licenses/by/4.0/ The Antarctic Circumnavigation Expedition was made possible by funding from the Swiss Polar Institute and Ferring Pharmaceuticals.