Modeling the thermodynamics of a sea ice thickness distribution: 1. Sensitivity to ice thickness resolution
نویسندگان
چکیده
منابع مشابه
Modeling sea ice thickness
In this paper, we present a self contained review on the modeling of sea ice thickness distribution. This is an important quantity arising and contributing to global climate changes. We present the various pde describing it, which are strongly non linear. Detailed mathematical analysis will be reported elsewhere. The utility of this quantity is of course to set up a global analysis of sea, ice ...
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We use concepts from statistical physics to transform the original evolution equation for the sea ice thickness distribution g(h) from Thorndike et al. into a Fokker-Planck-like conservation law. The steady solution is g(h)=N(q)h(q)e(-h/H), where q and H are expressible in terms of moments over the transition probabilities between thickness categories. The solution exhibits the functional form ...
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Helicopter-borne electromagnetic (HEM) induction systems provide a means to measure sea ice thickness along flight paths covering a large area in a short period of time, and make the data available in real-time for incorporation into operational ice charts. Ice surface elevation profiles are also collected with a laser altimeter contained in the system. With the introduction of the fix-mounted ...
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Sea ice thickness distributions display a ubiquitous exponential de-3 crease with thickness. This tail characterises the range of ice thickness produced 4 by mechanical redistribution of ice through the process of ridging, rafting, and 5 shearing. We investigate how well the thickness distribution can be simulated 6 by representing mechanical redistribution as a generalized stacking process. Su...
متن کاملImproving the spatial distribution of modeled Arctic sea ice thickness
[1] The spatial distribution of ice thickness/draft in the Arctic Ocean is examined using a sea ice model. A comparison of model predictions with submarine observations of sea ice draft made during cruises between 1987 and 1997 reveals that the model has the same deficiencies found in previous studies, namely ice that is too thick in the Beaufort Sea and too thin near the North Pole. We find th...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Oceans
سال: 1997
ISSN: 0148-0227
DOI: 10.1029/97jc01297