the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
17 Feb 2021
17 Feb 2021
NYTEFOX – The NY-Ålesund TurbulencE Fiber Optic eXperiment investigating the Arctic boundary layer, Svalbard
- 1Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
- 2Micrometeorology Group, University Bayreuth, Bayreuth, Germany
- 3Bayreuth Center of Ecology and Environmental Research, BayCEER, University Bayreuth, Bayreuth, Germany
- anow at: Department of Atmospheric and Cryospheric Sciences, University of Innsbruck, Innsbruck, Austria
- These authors contributed equally.
- 1Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
- 2Micrometeorology Group, University Bayreuth, Bayreuth, Germany
- 3Bayreuth Center of Ecology and Environmental Research, BayCEER, University Bayreuth, Bayreuth, Germany
- anow at: Department of Atmospheric and Cryospheric Sciences, University of Innsbruck, Innsbruck, Austria
- These authors contributed equally.
Abstract. The NY-Ålesund TurbulencE Fiber Optic eXperiment, NYTEFOX, was a field experiment at the Arctic site Ny-Ålesund (11.9° E, 78.9° N) and yielded a unique meteorological data set. These data describe the distribution of heat, airflows, and exchange in the Arctic boundary layer for a period of 14 days from 26 February to 10 March 2020. NYTEFOX is the first field experiment to investigate the heterogeneity of airflow and its transport in temperatures, wind, and kinetic energy in the Arctic environment using the Fiber-Optic Distributed Sensing (FODS) technique for horizontal and vertical observations. FODS air temperature and wind speed were observed at a spatial resolution of 0.127 m and 9 s in time along a horizontal array of 700 m at 1 m height above ground level (agl) and along three 7 m vertical profiles. Ancillary data were collected from three sonic anemometers and an acoustic profiler (miniSodar, SOund Detection And Ranging) yielding turbulent flow statistics and vertical profiles in the lowest 300 m agl, respectively. The observations from this field campaign are publicly available on Zenodo (https://doi.org/10.5281/zenodo.4335461) and supplement the data set operationally collected by the Basic Surface Radiation Network (BSRN) meteorological data set at Ny-Ålesund, Svalbard.
Marie-Louise Zeller et al.
Status: open (until 14 Apr 2021)
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RC1: 'Comment on essd-2021-37', Anonymous Referee #1, 03 Mar 2021
reply
The manuscript addresses near-surface meteorological observations during an extensive field campaign carried out in Ny Ålesund, Svalbard, in late winter 2020. The focus is on the Fiber-Optic Distributed Sensing (FODS) technique, which is a rather novel method for wind observations (more used for temperature observations). The FODS system is very well integrated with other meteorological in-situ and remote sensing observations carried out during the campaign in Ny Ålesund. It is impressive that the FODS method worked so well in very low temperatures, down to -30 deg C. I consider the manuscript excellent, with an impressive clarity and organization in presenting the observations, data gathered, error sources, corrections, and post-processing of the data. Further, the scientific motivation is very well presented for all measurements taken and how they complement each other. The figures are well planned and clear. The link to the data set works, and the data are well organized and publicly available. Throughout the manuscript, the text is very carefully written and it is hard to find errrors or issues to be criticised. I only request to add a table summarizing the accuracy of various observations made during the campaign.
Marie-Louise Zeller et al.
Data sets
NYTEFOX - The NY-Ålesund TurbulencE Fiber Optic eXperiment investigating the Arctic boundary layer, Svalbard Jannis-Michael Huss, Marie-Louise Zeller, Lena Pfister, Karl E. Lapo, Daniela Littmann, Johann Schneider, Alexander Schulz, and Christoph K. Thomas https://zenodo.org/record/4335461
klapo/pyfocs v0.5 (Version v0.5) Karl Lapo and Anita Freundorfer https://doi.org/10.5281/zenodo.4292491
Marie-Louise Zeller et al.
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