| 西沙永兴岛降水的酸度及其化学组成 |
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| 引用本文： | 吴兑,项培英,常业谛,甘春玲,毛伟康,张森才.西沙永兴岛降水的酸度及其化学组成[J].气象学报,1989,47(3):381-384. |
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| 作者姓名： | 吴兑 项培英 常业谛 甘春玲 毛伟康 张森才 |
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| 作者单位： | 广东省热带海洋气象研究所
(吴兑，甘春玲，毛伟康)，广东省测试分析研究所
(项培英，常业谛)，广东省热带海洋气象研究所(张森才) |
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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： | 本文对1987年5月在西沙永兴岛的雨水采样进行了分析。在西南季风盛行初期,副热带高压控制下的孤立分散的积雨云降水中,采集了雨量大于0.1mm的5次降雨。采样点设在西沙气象台二楼平台上,距海面约13m,向西距海岸边约70余米;每次采样用一直径45cm的塑料盆(用去离子水冲洗3次),现场测定pH值和电导率,水样装入洁净的聚乙烯塑料瓶中存入冰箱。同期,每隔一周
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| 收稿时间： | 1987/11/19 0:00:00 |
| 修稿时间： | 4/1/1989 12:00:00 AM |
THE ACIDITY AND CHEMICAL COMPOSITION OF PRECIPITATION OVER YONGXING (XISHA ISLANDS) IN MAY, 1987 |
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| Wu Dui,Xiang Peiying,Chang Yedi,Gan Chunling,Mao Weikang and Zhang Sencai.THE ACIDITY AND CHEMICAL COMPOSITION OF PRECIPITATION OVER YONGXING (XISHA ISLANDS) IN MAY, 1987[J].Acta Meteorologica Sinica,1989,47(3):381-384. |
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| Authors: | Wu Dui Xiang Peiying Chang Yedi Gan Chunling Mao Weikang and Zhang Sencai |
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| Institution: | Guangdong Institute of Tropical Marine Meteorology;Guangdong Institute of Testing and Analysing;Guangdong Institute of Testing and Analysing;Guangdong Institute of Tropical Marine Meteorology;Guangdong Institute of Tropical Marine Meteorology;Guangdong Institute of Tropical Marine Meteorology |
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| Abstract: | In this paper,samples from thunder showers controled by subtropical high during the south-west summer monsoon, observed in Yongxing QXisha islands) during May, 1987, are analyzed. The pH values of all samples are about 7.0.The concentrations of chlorine and sodium ions are large, about 62.5% and 36.1% of the negative ions and positive ions respectively. The ratio of chlorine to sulfate ions is 2.3,different from that observed over land in our country. These results may represent the chemical composition of precipitation over South China Sea region for atmospheric science and environmental science. |
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