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青岛市不同下垫面微生物气溶胶分布特征

钱生财 宋志文 吴等等 葛建华 郑 远 夏 岩

钱生财, 宋志文, 吴等等, 葛建华, 郑 远, 夏 岩. 青岛市不同下垫面微生物气溶胶分布特征[J]. 环境科学研究, 2013, 26(10): 1050-1056.
引用本文: 钱生财, 宋志文, 吴等等, 葛建华, 郑 远, 夏 岩. 青岛市不同下垫面微生物气溶胶分布特征[J]. 环境科学研究, 2013, 26(10): 1050-1056.
QIAN Sheng-cai, SONG Zhi-wen, WU Deng-deng, GE Jian-hua, ZHENG Yuan, XIA Yan. Studies on Microbial Aerosol of Different Underlying Surfaces in Qingdao City[J]. Research of Environmental Sciences, 2013, 26(10): 1050-1056.
Citation: QIAN Sheng-cai, SONG Zhi-wen, WU Deng-deng, GE Jian-hua, ZHENG Yuan, XIA Yan. Studies on Microbial Aerosol of Different Underlying Surfaces in Qingdao City[J]. Research of Environmental Sciences, 2013, 26(10): 1050-1056.

青岛市不同下垫面微生物气溶胶分布特征

基金项目: 国家自然科学基金项目(30670399,31170509)

Studies on Microbial Aerosol of Different Underlying Surfaces in Qingdao City

  • 摘要: 分别在青岛市市区街道、海滨区域、饮用水水源地、城市垃圾填埋场和人工湿地污水处理厂设置监测点,分析比较不同下垫面空气细菌和真菌浓度、日变化和粒径分布. 结果表明:5个下垫面空气细菌浓度依次为城市垃圾填埋场>市区街道>饮用水水源地>海滨区域>人工湿地污水处理厂,真菌浓度依次为城市垃圾填埋场>人工湿地污水处理厂>饮用水水源地>市区街道>海滨区域,其中城市垃圾填埋场空气细菌和真菌浓度最高,分别为(613.1±68.9)、(1300.4±74.3)CFU/m3,其他下垫面空气的细菌和真菌浓度分别在(155.5±14.2)~(596.6±396.4)和(401.9±78.7)~(994.7±63.4)CFU/m3之间. 海滨区域空气细菌浓度下午明显高于上午和中午,其他下垫面表现为上午>下午>中午,但无显著性差异;市区街道、饮用水水源地、人工湿地污水处理厂的空气真菌浓度日变化表现为上午>中午>下午,城市垃圾填埋场则始终升高,除人工湿地污水处理厂和城市垃圾填埋场不同时段间空气真菌浓度有显著性差异外,其余下垫面无显著性差异. 细菌气溶胶粒径分布为F1级(粒径>7.0μm)最高,呈偏态分布;真菌气溶胶粒径呈对数正态分布,除城市垃圾填埋场峰值出现在F3级(3.3~4.7μm)外,其余下垫面均出现在F4级(2.1~3.3μm). 不同下垫面细菌气溶胶中值直径在2.8~4.6μm,存在差异;而不同下垫面空气真菌气溶胶中值直径均在2.0μm左右,无显著性差异.

     

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出版历程
  • 收稿日期:  2013-02-01
  • 修回日期:  2013-04-05
  • 刊出日期:  2013-10-25

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