Co-and postseismic subaquatic evidence for prehistoric fault activity near Coyhaique, Aysén Region, Chile

M Vervoort, K Wils, K Vanneste… - … Hazards and Earth …, 2024 - nhess.copernicus.org
Chilean Patagonia is confronted with several geohazards due to its tectonic setting, ie, the
presence of a subduction zone and numerous fault zones, eg, the Liquiñe-Ofqui Fault Zone …

Assessing the representation of Arctic sea ice and the marginal ice zone in ocean–sea ice reanalyses

F Cocetta, L Zampieri, J Selivanova, D Iovino - The Cryosphere, 2024 - tc.copernicus.org
The recent development of data-assimilating reanalyses of the global ocean and sea ice
enables a better understanding of the polar region dynamics and provides gridded …

Assimilation of satellite swaths versus daily means of sea ice concentration in a regional coupled ocean-sea ice model

M Durán Moro, AK Sperrevik, T Lavergne… - The Cryosphere …, 2023 - tc.copernicus.org
Operational forecasting systems routinely assimilate daily means of sea ice concentration
(SIC) from microwave radiometers in order to improve the accuracy of the forecasts …

Generative diffusion for regional surrogate models from sea‐ice simulations

TS Finn, C Durand, A Farchi, M Bocquet… - Journal of Advances …, 2024 - Wiley Online Library
We introduce deep generative diffusion for multivariate and regional surrogate modeling
learned from sea‐ice simulations. Given initial conditions and atmospheric forcings, the …

Multivariate state and parameter estimation with data assimilation applied to sea-ice models using a Maxwell elasto-brittle rheology

Y Chen, P Smith, A Carrassi, I Pasmans… - The …, 2024 - tc.copernicus.org
In this study, we investigate the fully multivariate state and parameter estimation through
idealised simulations of a dynamics-only model that uses the novel Maxwell elasto-brittle …

Baltic sea ice thickness estimation based on X-band SAR data and background information

JA Karvonen, B Cheng - Annals of Glaciology, 2024 - cambridge.org
In this study an operational sea ice thickness (SIT) estimation algorithm, based on HH-
polarized X-band synthetic aperture radar (SAR) data, background information from the most …

Exploring non-Gaussian sea ice characteristics via observing system simulation experiments

C Riedel, J Anderson - The Cryosphere, 2024 - tc.copernicus.org
The Arctic is warming at a faster rate compared to the globe on average, a phenomenon
commonly referred to as Arctic amplification. Sea ice has been linked to Arctic amplification …

[HTML][HTML] Evolution of the Floe Size Distribution in Arctic Summer Based on High-Resolution Satellite Imagery

Z Li, P Lu, J Zhou, H Zhang, P Huo, M Yu, Q Wang… - Remote Sensing, 2024 - mdpi.com
In this paper, based on high-resolution satellite images near an ice bridge in the Canadian
Basin, we extracted floe size parameters and analyzed the temporal and spatial variations in …

Multivariate state and parameter estimation with data assimilation on sea-ice models using a Maxwell-Elasto-Brittle rheology

Y Chen, P Smith, A Carrassi, I Pasmans… - …, 2023 - egusphere.copernicus.org
In this study, we investigate the fully multivariate state and parameter estimation through
idealised simulations of a dynamic-only model that uses the novel Maxwell-Elasto-Brittle …

Tailoring data assimilation to discontinuous Galerkin models

I Pasmans, Y Chen, A Carrassi… - Quarterly Journal of the …, 2024 - Wiley Online Library
In recent years discontinuous Galerkin (DG) methods have received increased interest from
the geophysical community. In these methods the solution in each grid cell is approximated …