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Understanding fluid dynamics for climate using reduced models

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ADIW03 - Climate Applications of Layering

Fluid dynamics for climate (and indeed for geophysics and astrophysics more generally) requires the modelling of nonlinear process over a vast range of spatial and temporal scales. Current (and future!) computational methods are not capable of modelling the range of scales required, so some compromises are required. In this talk I will describe possible methods for modelling the types of interaction that are needed for problems of relevance to the climate. I will focus on two methods; the generalised quasilinear approximation, which is a first step to providing robust conservative, realisable, subgrid models and the solution of the PDEs on a logarithmic lattice.  This is joint work with Curtis Saxton (Leeds), Rich Kerswell (Cambridge), Keaton Burns (MIT) and Brad Marston (Brown).

This talk is part of the Isaac Newton Institute Seminar Series series.

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