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tau-value |
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tau-value [′tau̇ ‚val·yü]
(meteorology) The time rate of change ofDvalue at a fixed point defined by the relation τ =(ΔtD)/(Δt), where Δtis the change in time and ΔtDis the change inDvalue during this time interval; tau-values are expressed in terms of feet per hour; tau-value lines are drawn on 4-D charts and constitute the time dimension of these charts. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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