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Original Essays | September 15, 2014

Lois Leveen: IMG Forsooth Me Not: Shakespeare, Juliet, Her Nurse, and a Novel



There's this writer, William Shakespeare. Perhaps you've heard of him. He wrote this play, Romeo and Juliet. Maybe you've heard of it as well. It's... Continue »
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    Juliet's Nurse

    Lois Leveen 9781476757445

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Drift, Deformation, and Fracture of Sea Ice: A Perspective Across Scales (Springerbriefs in Earth Sciences)

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Drift, Deformation, and Fracture of Sea Ice: A Perspective Across Scales (Springerbriefs in Earth Sciences) Cover

 

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Publisher Comments:

Sea ice is a major component of polar environments, especially in the Arctic where it covers the entire Arctic Ocean during most of the year. However, in a context of climate change, the Arctic sea ice cover has been declining significantly over the last decades, either in terms of concentration or thickness. The sea ice cover evolution and climate change are strongly coupled through the albedo positive feedback, thus possibly explaining the Arctic amplification of climate warming. In addition to thermodynamics, sea ice kinematics (drift, deformation) appears as an essential player in the evolution of the ice cover through a reduction of the average ice age (and so of thickness), or ice export out of the Arctic. This is a first motivation for a better understanding of kinematical and mechanical processes of sea ice. A more upstream, theoretical motivation is a better understanding of brittle deformation of geophysical objects across a wide range of scales. Indeed, owing to its very strong kinematics, compared e.g. to the Earth's crust, an unrivaled kinematical dataset is available for sea ice from in-situ (e.g. drifting buoys) or satellite observations. Here we review recent advances on the understanding of sea ice drift, deformation and fracturing obtained from these data. We particularly focus on the scaling properties in time and scale that characterize these processes, and we emphasize the analogies that can be drawn with the deformation of the Earth's crust. These scaling properties, which are the signature of long-range elastic interactions within the cover, constrain future developments in the modeling of sea ice mechanics. We also show that kinematical and rheological variables such as average velocity, average strain-rate or strength have significantly changed over the last decades, accompanying and actually strengthening the Arctic sea ice decline.

About the Author

Jérôme Weiss completed his PhD in Material Science at the Ecole des Mines of Paris in 1992. He is CNRS senior scientist in the Laboratory of Glaciology and Geophysics of the Environment in Grenoble, where he led the Ice Mechanics group until 2009. His research interests cover the mechanics of geophysical objects, from the scale of lattice defects (dislocations, microcracks) to large geophysical scales. He is therefore particularly interested in scaling properties of mechanical-related variables. During the last decade, he particularly focused on the Arctic sea ice cover, its mechanical behavior, drift, and deformation, as well as its role on climate change. He has published about 85 scientific papers, including 7 solicited reviews and 6 general public articles.

Table of Contents

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Product Details

ISBN:
9789400762015
Author:
Weiss, J. R. Me
Publisher:
Springer
Author:
Weiss, Jérôme
Subject:
Geophysics
Subject:
Arctic Sea Ice
Subject:
Evolution of Sea Ice
Subject:
Modeling of Sea Ice
Subject:
Sea Ice Deformation
Subject:
Sea ice drift.
Subject:
Sea Ice Kinematics and Rheology
Subject:
Sea ice Fracturing
Subject:
Geophysics/Geodesy
Subject:
Oceanography
Subject:
environmental physics
Subject:
Climate change
Subject:
Environmental Studies-General
Subject:
Earth System Sciences
Copyright:
Edition Description:
2013
Series:
SpringerBriefs in Earth Sciences
Publication Date:
20130329
Binding:
TRADE PAPER
Language:
English
Pages:
99
Dimensions:
235 x 155 mm

Related Subjects


Reference » Science Reference » Technology
Science and Mathematics » Environmental Studies » General
Science and Mathematics » Geology » Geophysics
Science and Mathematics » Oceanography » General
Science and Mathematics » Physics
Science and Mathematics » Physics » Meteorology

Drift, Deformation, and Fracture of Sea Ice: A Perspective Across Scales (Springerbriefs in Earth Sciences) New Trade Paper
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