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An evaluation of Aermod's performance in an urban dispersion environment.

機譯:對Aermod在城市分散環(huán)境中的性能進行的評估。

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摘要

A new advanced dispersion model, AERMOD, has been subjected by the United States Environmental Protection Agency (EPA) to a rigorous set of performance evaluations involving 17 databases to ensure that the model's predictions are reasonably unbiased. Of these databases, only one involved an urban area. This thesis work significantly expands the urban evaluation of AERMOD.; Several urban field experiments were reviewed, and two were selected for this investigation: one involved summertime near-surface non-buoyant releases in Oklahoma City while the other involved wintertime elevated buoyant releases in Minneapolis.; The evaluation was conducted using two basic model configurations identified in the AERMOD Implementation Guide for urban applications. The model predictions were compared with each other and to the measured concentrations. The results have provided additional information on the accuracy and bias of AERMOD's urban model formulation and lead to recommendations for further research and possible changes to AERMOD's urban formulation.
機譯:美國環(huán)境保護署(EPA)對一種新的高級色散模型AERMOD進行了嚴格的性能評估,涉及17個數據庫,以確保該模型的預測合理合理。在這些數據庫中,只有一個涉及市區(qū)。這項工作極大地擴展了AERMOD的城市評價?;仡櫫藥讉€城市野外實驗,并選擇了兩個進行此調查:一個涉及俄克拉荷馬城的夏季近地表非浮力釋放,而另一個涉及明尼阿波利斯的冬季升高的浮力釋放。評估是使用AERMOD實施指南中針對城市應用確定的兩個基本模型配置進行的。將模型預測相互之間以及與測得的濃度進行比較。結果提供了有關AERMOD城市模型公式的準確性和偏差的更多信息,并為進一步研究和對AERMOD城市模型的可能變化提供了建議。

著錄項

  • 作者

    Connors, Jeffrey Alan.;

  • 作者單位

    University of Massachusetts Lowell.;

  • 授予單位 University of Massachusetts Lowell.;
  • 學科 Atmospheric Sciences.; Environmental Sciences.
  • 學位 M.S.
  • 年度 2006
  • 頁碼 141 p.
  • 總頁數 141
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 環(huán)境科學基礎理論;
  • 關鍵詞

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