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Evolution of Small-Scale Filaments in an Adaptive Advection Model for Idealized Tracer Transport

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Behrens, J. , Dethloff, K. , Hiller, W. and Rinke, A. (2000): Evolution of Small-Scale Filaments in an Adaptive Advection Model for Idealized Tracer Transport , Monthly weather review,1282982., 2976 . doi: 10.1175/1520-0493(2000)128<2976:EOSSFI>2.0.CO;2
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Abstract:

The formation of small-scale filaments in a novel two-dimensional adaptive tracer transport model is investigated. The numerical model is based on a semi-Lagrangian advection scheme, and an adaptively and locally refined triangular mesh. The adaptive modeling approach allows very high local resolution, showing fine-grained filamentation under the influence of gradients in the wind field. Wind data for the tracer transport experiment are taken from the high-resolution regional climate model for the Arctic atmosphere, HIRHAM. The influence of horizontal advection model resolution and varying wind data resolution has been investigated.

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