ARKTALAS Hoavva Final Scientific Workshop

Submitted by lasse on Tue, 05/10/2022 - 17:26
The Arktalas Hoavva core project team visiting SvalSat station in Longyearbyen (Photo by Marjo Chapron).


The main goal of the final scientific workshop of the ARKTALAS Hoavva project was to  assess the state of the art in use satellite measurements in synergy with in-situ data and modelling tools to characterize and quantify the processes driving changes in the Artic sea ice and Arctic Ocean. This was in particular tailored to the following major interlinked and cross-disciplinary Arctic Scientific Challenges (ASC) addressed in the Arktalas Hoavva project:

  • ASC-1: Characterize Arctic Amplification and its impact
  • ASC-2: Characterize the impact of more persistent and larger area of open water on sea ice dynamics
  • ASC-3: Understand, characterize and predict the impact of extreme event storms in sea-ice formation
  • ASC-4: Understand, characterize and predict the Arctic ocean spin-up.

In so doing the status of the published and submitted scientific papers to international peer review journals (see list below) under this Arktalas Hoavva project were presented and assessed in respect to achievements and findings relevant to the four ASC. Moreover

Paper 1: Response of Total and Eddy Kinetic Energy to the recent spin up of the Beaufort Gyre (Relevant ASC-4).Published in Journal of Oceanography in 2019 by H. Regan, C. Lique, C. Talandier and G. Meneghello.

Paper 2:  Observational evidences of eddy-sea ice interactions in the pack-ice and in the MIZ (Relevance to ASC-2). Published in Geophysical Research Letter in 2020 by A. Cassianides, Camille Lique, Anton Korosov.

Paper 3: Wind-wave attenuation under sea ice in the Arctic: a review of remote sensing capabilities (Relevant to ASC-2) submitted to Journal of Geophys. Res.-Ocean by Fabrice Collard, Louis Marie, Frederic Nouguier, Marcel Kleinherenbrink, Frithjof Ehlers, and Fabrice Ardhuin.

Paper 4: Modelling the Arctic wave-affected marginal ice zone, comparison with ICESat-2 observations (Relevant to ASC-2). Submitted to Philosophical Transactions A by G. Boutin, T. Williams, C. Horvat and L. Brodeau.

Paper 5: Driving mechanisms of an extreme winter sea-ice breakup event in the Beaufort Sea (Relevance to ASC-3). Submitted to Geophys. Res. Letter by Jonathan W. Rheinlænder, Richard Davy, Einar Olason, Pierre Rampal, Clemens Spensberger, Timothy D. Williams, Anton Korosov, Thomas Spengler.

Paper 6: The Arctic amplification and its impact: Attribution through remote-sensing data (Relevance ASC-1).  To be submitted to tbd by Igor Esau, Johnny A. Johannesen, Lasse H. Pettersson, Aleksander Chernokulsky, Oleg Sizov et al., To be submitted to tbd in 2022.

Paper 7: Impact of sea-ice friction on tidal modelling in the Arctic Ocean (Relevance ASC-1) To be submitted to tbd by M. Cancet et al., 2022.

Paper 8: Changes in the Arctic Ocean: Knowledge gaps and Impact of future satellite missions Satellite missions for the Arctic Ocean (Relevant to all ASCs). To be submitted to Journal of Remote Sensing by S. Lucas, J.A. Johannessen, M. Cancet, L.H. Pettersson, I. Esau, J. Rheinlaender, F. Ardhuin, B. Chapron, A. Korosov, F. Collard, S. Herlédan, E. Olason, C. Donlon.

The ARKTALAS Hoavva final scientific workshop took place at UNIS in Longyearbyen.