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首页> 外文会议>25th Conference on Agricultural and Forest Meteorology and 12th Joint Conference on the Applications of Air Pollution Meteorology with Aamp;WMA and Fourth Symposium on the Urban Environment May 20-24, 2002 Norfolk, Virginia >Tracer emissions inferred from a backward Lagrangian stochastic dispersion model: a validation study
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Tracer emissions inferred from a backward Lagrangian stochastic dispersion model: a validation study

机译：从反向拉格朗日随机色散模型推断出的示踪剂排放：一项验证研究

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摘要

The bLS dispersion-model-based estimates of surface emissions are "tolerably" accurate, if one is permitted the flexibility to invoke actual values for σ_w/u_*. This begs the question of "realistic expectations", and, what level of uncertainty or error is "tolerable"? One must remember that alternative techniques probably carry no lesser uncertainty - but are more complex. Our observed values of σ_w/u_* were generally lower than would be expected from published empirical MO formulae. We tentatively accept them, primarily because an intercomparison of two sonics yielded means and standard deviations that were consistent to better than 3%, and secondarily (though less legitimately) since calculated source strengths based on measured σ_w were systematically superior.
机译：如果允许灵活地调用σ_w/ u_ *的实际值，则基于bLS弥散模型的表面排放估算是“可容忍的”准确的。这就提出了“现实的期望”的问题，那么“容忍”到什么程度的不确定性或错误呢？必须记住，替代技术可能带来的不确定性较小，但更为复杂。我们观察到的σ_w/ u_ *值通常低于已发布的经验MO公式的预期值。我们暂时接受它们，主要是因为两个超音速的比对得出的均值和标准差均优于3％，其次（尽管合法性较低），因为基于测得的σ_w的源强度在系统上优越。

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