Author(s): Laura Piho; Maarja Kruusmaa

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Abstract: In-situ data collection is essential for monitoring coastal environments, identifying vulnerabilities, managing coastal resources, ensuring coastal protection, and validating numerical models. In addition, such observations are also important in studying the impacts of the climate crisis and its influence on coastal and oceanographic processes. The need for in-situ data is especially important in the Arctic regions, one of the regions most affected by climate change, yet still severely undersampled. Improving understanding of fjord hydrodynamics is essential to project and mitigate climate impacts. In this study, in-situ data were collected from strategically selected coastal locations in Isfjorden, Svalbard Archipelago. The experiments were conducted near the key settlements that host most of the Svalbard’s infrastructure, Adventfjorden (near Longyearbyen), Grønfjorden (near Barentsburg) and Billefjorden (near Pyramiden). The dataset, acquired over a one-year period, provides valuable insights into local hydrodynamic variability. This work focuses particularly on high-energy events during the winter season, demonstrating how wave characteristics within Isfjorden are shaped by coastal dynamics.

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Year: 2026