Joint work with Shiang-Yuh Wu and Prasad Pai.

Taking advantage of the modularity of MAQSIP as a host model, the Bott advection solver is compared to a newer QSTSE solver. The SCAQS August 1987 episode simulation shows quite different results when different solvers are used. In general, the QSTSE solver gives improved model performance against observations. This result is particularly significant at upwind locations, such as Hawthorne, where the Bott solver results in overprediction due to upstream numerical diffusion.

Material from IMA Talk   pdf (85KB)     powerpoint (169KB)

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