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The ability of viscous layer models to describe the attenuation of waves propagating in grease-pancake ice covered ocean is investigated. In particular, the Keller's model Keller [1998], the two-layer viscous model [De Carolis and Desiderio…

Atmospheric and Oceanic Physics · Physics 2019-01-30 Francesca De Santi , Giacomo De Carolis , Piero Olla , Martin Doble , Sukun Cheng , Hayley H. Shen , Jim Thomson

Ice thickness is an important variable for climate scientists and is still difficult to accurately determine from microwave radiometer measurements. There has been some success detecting the thickness of thin ice and with this in mind this…

Atmospheric and Oceanic Physics · Physics 2012-08-13 Peter Mills

Recent rapid loss of the Arctic sea ice motivates the study of the Arctic sea ice thickness. Global climate model that describes the ice's thickness evolution requires an accurate spatial temperature profile of the Arctic sea ice. However,…

Optimization and Control · Mathematics 2019-01-31 Shumon Koga , Miroslav Krstic

Water wave attenuation by grease ice is a key mechanism for the polar regions, as waves in ice influence many phenomena such as ice drift, ice breaking, and ice formation. However, the models presented so far in the literature are limited…

Fluid Dynamics · Physics 2019-03-27 Jean Rabault , Graig Sutherland , Atle Jensen , Kai H Christensen , Aleksey Marchenko

Snow poles are inexpensive systems composed of a wooden mast with temperature sensors affixed at varying heights with the purpose of estimating the snow depth. They are frequently utilised in cold, remote regions where the maintenance of…

Atmospheric and Oceanic Physics · Physics 2024-04-03 Diego García-Maroto , Luis Durán , Miguel Ángel de Pablo Hernández

Sea ice is highly complex due to the inhomogeneity of the physical properties (e.g. temperature and salinity) as well as the permeability and mixture of water and a matrix of sea ice and/or sea ice crystals. Such complexity has proven…

Atmospheric and Oceanic Physics · Physics 2019-03-28 Graig Sutherland , Jean Rabault , Kai H. Christensen , Atle Jensen

We study the seasonal changes in the thickness distribution of Arctic sea ice, $g(h)$, under climate forcing. Our analytical and numerical approach is based on a Fokker-Planck equation for $g(h)$ (Toppaladoddi \& Wettlaufer \emph{Phys. Rev.…

Atmospheric and Oceanic Physics · Physics 2016-12-26 Srikanth Toppaladoddi , John S. Wettlaufer

Synthetic Aperture Radar (SAR) imagery is the primary data type used for sea ice mapping due to its spatio-temporal coverage and the ability to detect sea ice independent of cloud and lighting conditions. Automatic sea ice detection using…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Martin S J Rogers , Maria Fox , Andrew Fleming , Louisa van Zeeland , Jeremy Wilkinson , J. Scott Hosking

The relationship between sea ice thickness and microwave brightness temperature is explored. Parameterized ice profiles are fed to a radiative-transfer-based sea ice emissivity model (Microwave Emmission of Layered Snowpack, MEMLS). Complex…

Atmospheric and Oceanic Physics · Physics 2012-02-20 Peter Mills , Georg Heygster

We study the diffusion of ocean waves by ice bodies much smaller than a wavelength, such as pancakes and small ice floes. We argue that inhomogeneities in the ice cover at scales comparable to that of the wavelength significantly increase…

Atmospheric and Oceanic Physics · Physics 2023-04-05 Piero Olla , Giacomo De Carolis , Francesca De Santi

Liquid-water oceans likely underlie the ice shells of Europa and Enceladus, but ocean properties are challenging to measure due to the overlying ice. Here, we consider gravity-driven flow of the ice shells of icy satellites and relate this…

Earth and Planetary Astrophysics · Physics 2024-10-10 Nicole C. Shibley , Ching-Yao Lai , Riley Culberg

Although high-resolution mapping of pan-Arctic sea ice with reliable corresponding uncertainty is essential for operational sea ice concentration (SIC) charting, it is a difficult task due to key challenges, such as the subtle nature of ice…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Mabel Heffring , Lincoln Linlin Xu

The Arctic sea ice cover has significantly declined over the recent decades. The debate on whether this decline is caused by anthropogenic activity or internal cycles is still ongoing. However, despite this uncertainty, some physical…

Atmospheric and Oceanic Physics · Physics 2025-05-26 Arya Kimiaghalam

This study is part of an effort to improve the Navy's ability to forecast wind-generated ocean waves in ice-infested regions, and here we are attempting to further this goal by improving prediction of dissipation of wave energy by sea ice.…

Atmospheric and Oceanic Physics · Physics 2021-04-06 W. Erick Rogers , Jie Yu , David W. Wang

The James Webb Space Telescope provides unprecedented information to study ices in protoplanetary disks. However, the saturation of ice bands in highly inclined disks hinders the measurement of ice abundances using classical spectroscopy.…

Experiments investigating the attenuation and dispersion of surface waves in a variety of ice covers are performed using a refrigerated wave flume. The ice conditions tested in the experiments cover naturally occurring combinations of…

Atmospheric and Oceanic Physics · Physics 2019-02-15 L. J. Yiew , S. M. Parra , D. Wang , D. K. K. Sree , A. V. Babanin , A. W. -K. Law

The Thorndike et al., (\emph{J. Geophys. Res.} {\bf 80} 4501, 1975) theory of the ice thickness distribution, $g(h)$, treats the dynamic and thermodynamic aggregate properties of the ice pack in a novel and physically self-consistent…

Geophysics · Physics 2023-06-07 Srikanth Toppaladoddi , Woosok Moon , John S. Wettlaufer

The Galactic Plane Infrared Polarization Survey (GPIPS) seeks to characterize the magnetic field in the dusty Galactic disk using near-infrared stellar polarimetry. All GPIPS observations were completed using the 1.83 m Perkins telescope…

Arctic sea ice plays an important role in the global climate. Sea ice models governed by physical equations have been used to simulate the state of the ice including characteristics such as ice thickness, concentration, and motion. More…

Synthetic aperture radar (SAR) is an efficient and widely used remote sensing tool. However, data extracted from SAR images are contaminated with speckle, which precludes the application of techniques based on the assumption of additive and…

Methodology · Statistics 2024-10-15 A. D. C. Nascimento , J. M. Vasconcelos , R. J. Cintra , A. C. Frery
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