台山铜鼓湾低层大气盐类气溶胶分布特征 |
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引用本文: | 吴兑,陈位超,甘春玲,毛伟康,陈焱源,韩春明,马福春. 台山铜鼓湾低层大气盐类气溶胶分布特征[J]. 气象, 1993, 19(8): 8-12 |
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作者姓名: | 吴兑 陈位超 甘春玲 毛伟康 陈焱源 韩春明 马福春 |
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作者单位: | 广州热带海洋气象研究所,广州热带海洋气象研究所,广州热带海洋气象研究所,广州热带海洋气象研究所,天津市气象科学研究所,天津市气象科学研究所,天津市气象科学研究所 510080,510080,510080,510080 |
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基金项目: | 国家气象局科学基金云物理项目 |
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摘 要: | 1989年2月在台山铜鼓湾海边对水溶性气溶胶的离子成分Cl~-、NO_3~-、SO_4~=、Na~+、K~+、Mg~(++)进行了分析,发现其中主要离子成分是Cl~-与Na~+,它们都来自海盐气溶胶,Mg~(++)亦来自海盐;而K~+主要是陆源性的;SO_~=的来源以海盐为主,但也反映出受东亚大陆较严重大面积硫污染影响的特征;而NO_3~-有较高的富集现象,且100%为非海盐成分,应是局地人类活动,如农耕与炊事影响所致。
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关 键 词: | 气溶胶 盐类 分布 低层大气 |
The Distribution of Lower Atmosperic Salt Aerosols for the Tong-gu Bay in Taishan, Guangdong Province |
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Abstract: | Ionic compositions of water soluble aerosols observed at the seashore of the Tong-gu Bay in Taishan,Guangdong Province during Feb. 1989,namely,Cl-,NO_3,SO=4,Na+,K+ and Mg++ ,are analyzed. It is found that the dominant ions are Cl- and Na+ ,which are of marine salt aerosol. The same origin is with Mg++,too. K+ mainly comes from the continent. And SO=4 from sea salt mostly. It does reveal,however,the large scale high pollution of sulfar in the continent of East A-sia. The study points out that high concentration of SO-3 is of 100% non-sea-salt origin. It is obvious that this is related with local farming and household cooking. |
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