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首页> 外文会议>International symposium on the measurement of toxic and related air pollutants >Significance of long-range transport from continental locations in determining oxidant mixing ratios and budgets over the tropical Pacific Ocean
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Significance of long-range transport from continental locations in determining oxidant mixing ratios and budgets over the tropical Pacific Ocean

机译：从大陆位置进行远距离运输对确定热带太平洋上的氧化剂混合比和预算的意义

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Our project with EPA is aimed at further development and applications with the threedimensionalrnchemical-transport model, MOZART, we are developing in coordinationrnwith Guy Brasseur and others at NCAR. The primary objective of the calculations to bernpresented here is to evaluate the impact of long-range transport from continental sourcernregions on the oxidative capacity of the troposphere using this model. Transport from thernEastern United States and Western Europe is known to significantly influence the northrnAtlantic and biomass burning in South America on the southern Atlantic Ocean thernoxidant mixing ratios. More recently the influence of the Pacific rim countries and southrnand Central America on the northern tropical and southern tropical Pacific and southernrnAsia on the tropical Indian oceans oxidant mixing ratios has been under intensiverninvestigation. We use results from the MOZART (Version 2) to evaluate the impacts ofrnlong-range transport from the Pacific rim countries and south and central America on thernoxidant levels over the tropical Pacific Ocean. Measurements made by NASA during thernpast decade in the North-Central and Southern tropical Pacific will be used for evaluatingrnthe model results. Key questions addressed include evaluation of the factors controllingrnthe ozone budget in the tropical pacific, and determination of the significance ofrntransported fluxes of ozone and precursors into the tropical pacific basin from sourcernregions in the western Pacific rim countries, west coast of USA, Mexico and biomassrnburning in south America and Africa.
机译：我们与EPA的项目旨在通过三维化学物质运输模型MOZART进行进一步的开发和应用，我们正在与NCAR的Guy Brasseur等合作进行开发。这里要进行的计算的主要目的是使用该模型来评估从大陆源地区进行的远距离迁移对对流层氧化能力的影响。众所周知，从美国东部和西欧的运输对南大西洋南部大西洋地区氧化剂和氧化剂的混合比例有很大影响。最近，对太平洋边缘国家和南美洲和中美洲对北部热带和南部热带太平洋以及南部亚洲对热带印度洋氧化剂混合比的影响一直在深入研究中。我们使用来自MOZART（第2版）的结果来评估来自太平洋边缘国家以及南美和中美洲的远程运输对热带太平洋上的氧化剂水平的影响。 NASA在过去十年中在北部中部和南部热带太平洋所做的测量将用于评估模型结果。解决的关键问题包括评估控制热带太平洋臭氧收支的因素，以及确定从西太平洋边缘国家，美国西海岸，墨西哥和西太平洋生物圈燃烧源中的臭氧和前体通入热带太平洋盆地的重要性。南美和非洲。

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