Preprints
https://doi.org/10.5194/essd-2023-21
https://doi.org/10.5194/essd-2023-21
 
25 Jan 2023
25 Jan 2023
Status: this preprint is currently under review for the journal ESSD.

Wind wave and water level dataset for Hornsund, Svalbard (2013–2021)

Zuzanna M. Swirad1, Mateusz Moskalik1, and Agnieszka Herman2 Zuzanna M. Swirad et al.
  • 1Institute of Geophysics, Polish Academy of Sciences, Warszawa, Poland
  • 2Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland

Abstract. Underwater pressure sensors were deployed at various locations of the nearshore (8−23 m depth) Hornsund fjord, Svalbard between July 2013 and February 2021. Raw pressure measurements at 1 Hz were used to derive mean water levels, wave spectra and bulk wave parameters for 1024 s bursts at hourly intervals. The procedure included subtracting atmospheric pressure, depth calculation, Fast Fourier Transform, correction for the decrease of the wave orbital motion with depth and adding a high-frequency tail. The dataset adds to the sparse in situ measurements of wind waves and water levels in the Arctic, and can be used e.g. for analysing seasonal wind wave conditions and inter-annual trends, and calibrating/validating wave models.

Zuzanna M. Swirad et al.

Status: open (until 22 Mar 2023)

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Zuzanna M. Swirad et al.

Data sets

In situ wind wave and water level measurements in Hornsund, Svalbard in 2013-2021 Zuzanna M. Swirad, Mateusz Moskalik, and Agnieszka Herman https://doi.org/10.1594/PANGAEA.954020

Zuzanna M. Swirad et al.

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Short summary
Monitoring ocean waves is important for understanding wave climate and seasonal to longer-term (years to decades) changes. In the Arctic, there is limited freely-available observational wave information. We placed sensors at the sea bottom of six bays in Hornsund fjord, Svalbard and calculated wave energy, wave height and wave period for full hours between July 2013 and February 2021. In this paper we present the procedure of getting wave properties from raw pressure measurements.