Metrics for evaluating linear features

Date

2008

Authors

Levy, G.
Coon, M.
Nguyen, G.
Sulsky, D.

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Journal article

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Geophysical Research Letters, 2008; 35(21):L21705-1-L21705-4

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Gad Levy, Max Coon, Giang Nguyen and Deborah Sulsky

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Abstract

Novel metrics designed to evaluate the skill of geophysical models in simulating discontinuities and linear features are introduced and tested using a sea-ice model and remotely sensed observations of leads. The metrics are formulated as frequency-based indices of agreement, thus maintaining the simplicity desired in model development and operational applications, while remedying known shortcomings of common existing skill metrics. User-selectable spatial scales and features of significance allow for the general use of the metrics in variable applications, scales, and observation types.

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Copyright 2008 by the American Geophysical Union

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