Data assimilation in the geosciences: An overview of methods, issues, and perspectives

A Carrassi, M Bocquet, L Bertino… - Wiley Interdisciplinary …, 2018 - Wiley Online Library
We commonly refer to state estimation theory in geosciences as data assimilation (DA). This
term encompasses the entire sequence of operations that, starting from the observations of a …

Challenges and prospects in ocean circulation models

B Fox-Kemper, A Adcroft, CW Böning… - Frontiers in Marine …, 2019 - frontiersin.org
We revisit the challenges and prospects for ocean circulation models following Griffies et al..
Over the past decade, ocean circulation models evolved through improved understanding …

Floes, the marginal ice zone and coupled wave-sea-ice feedbacks

C Horvat - … Transactions of the Royal Society A, 2022 - royalsocietypublishing.org
Marginal ice zones (MIZs) are qualitatively distinct sea-ice-covered areas that play a critical
role in the interaction between the polar oceans and the broader Earth system. MIZ regions …

The physics of freezing and melting in the presence of flows

Y Du, E Calzavarini, C Sun - Nature Reviews Physics, 2024 - nature.com
Ice in the environment plays a central role in both global-scale processes on Earth and
many human activities. Issues related to its description, including the modelling of natural ice …

On the multi-fractal scaling properties of sea ice deformation

P Rampal, V Dansereau, E Olason, S Bouillon… - The …, 2019 - tc.copernicus.org
In this paper, we evaluate the neXtSIM sea ice model with respect to the observed scaling
invariance properties of sea ice deformation in the spatial and temporal domains. Using an …

Sea Ice Rheology Experiment (SIREx): 2. Evaluating linear kinematic features in high‐resolution sea ice simulations

N Hutter, A Bouchat, F Dupont… - Journal of …, 2022 - Wiley Online Library
Simulating sea ice drift and deformation in the Arctic Ocean is still a challenge because of
the multiscale interaction of sea ice floes that compose the Arctic Sea ice cover. The Sea Ice …

Quality assessment of the TOPAZ4 reanalysis in the Arctic over the period 1991–2013

J Xie, L Bertino, F Counillon, KA Lisæter… - Ocean Science, 2017 - os.copernicus.org
Long dynamical atmospheric reanalyses are widely used for climate studies, but data-
assimilative reanalyses of ocean and sea ice in the Arctic are less common. TOPAZ4 is a …

A new brittle rheology and numerical framework for large‐scale sea‐ice models

E Olason, G Boutin, A Korosov… - Journal of Advances …, 2022 - Wiley Online Library
We present a new brittle rheology and an accompanying numerical framework for large‐
scale sea‐ice modeling. This rheology is based on a Bingham‐Maxwell constitutive model …

Sea Ice Rheology Experiment (SIREx): 1. Scaling and statistical properties of sea‐ice deformation fields

A Bouchat, N Hutter, J Chanut, F Dupont… - Journal of …, 2022 - Wiley Online Library
As the sea‐ice modeling community is shifting to advanced numerical frameworks,
developing new sea‐ice rheologies, and increasing model spatial resolution, ubiquitous …

Towards a coupled model to investigate wave–sea ice interactions in the Arctic marginal ice zone

G Boutin, C Lique, F Ardhuin, C Rousset… - The …, 2020 - tc.copernicus.org
The Arctic marginal ice zone (MIZ), where strong interactions between sea ice, ocean and
atmosphere take place, is expanding as the result of ongoing sea ice retreat. Yet, state-of …