Association of Polar Early Career Scientists


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Multi-scale Modeling of Sea Ice Characteristics and Behavior
From Monday 11 September 2017
To Friday 15 September 2017
Contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Location Cambridge, United Kingdom

Call for Registration: Multi-scale Modeling of Sea Ice Characteristics and Behavior; Isaac Newton Institute for Mathematical Sciences
11-15 September 2017, Cambridge, United Kingdom


This workshop will address sea ice processes across a wide range of lengths and time scales, with an emphasis on understanding emergent and scale-invariant phenomena. Mathematical methods that account for the smaller scale processes and enable computation and analysis of these processes' effect on larger scales relevant for coarse-grained climate models will be a focus of the workshop and linkage of scales is a central theme of this workshop.

Registration deadline: Sunday, 11 June 2017.

Workshop Theme:

Realistic models of Earth's climate system are essential to making projections about what we may experience as our climate changes. Polar sea ice forms a critical system component which must be accurately accounted for in global climate models. It forms the thin boundary layer coupling the polar oceans and atmosphere and has seen rather dramatic changes over the past two or three decades. An important feature of sea ice is that it displays rich structure and behavior on scales ranging over 10 orders of magnitude, length scales from microns to hundreds of kilometers, and time scales from milliseconds to decades. This broad range of scales for sea ice structure and properties is relevant to biological, chemical, industrial, weather, and climate-related processes. It also leads to sea ice structure at certain scales being similar to other materials such as porous human bone and polycrystalline metals, which can be used to bring new techniques to studying sea ice.

The complex behavior of sea ice over such a large range of scales presents a fundamental challenge to modeling these systems. For example, many key processes, whose relevant length scales may be centimeters or meters to kilometers, impact climate and must be incorporated into largescale numerical climate models with grid sizes often on the order of tens of kilometers. Moreover, some sea ice properties exhibit scale invariance or predictable scale dependence while others appear to be wholly emergent, a consequence of interacting processes within and applied to the ice cover.

Potential workshop topics include:

- Large-scale numerical models of the evolution of polar sea ice;
- Sea ice simulations including variability, predictability, and climate projections;
- Sea ice microphysics, fluid transport, convection, and the porous brine microstructure;
- Melt ponds on Arctic sea ice;
- Ice thickness distribution, melting, freezing, mechanical redistribution, ridging, and rafting;
- Waves in the marginal ice zone;
- Scaling in sea ice fracture and dynamics, sea ice rheology;
- Momentum balance including form drag, interactions with currents, tides and winds;
- Sea ice thermodynamics and exchange processes;
- Low order models of polar climate;
- Tipping point phenomena; and
- Stochastic processes in sea ice modeling.

For more information about the workshop and to apply for registration, go to:

For questions, contact:
Daniel Feltham
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Monday 11 September 2017

Contact APECS

APECS International Directorate
Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research
Telegrafenberg A43
14473 Potsdam
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