北极阿拉斯加春季积雪中汞的时空分布及其来源分析
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倪鼎铭, 康世昌, 张玉兰, 窦挺峰, 黄杰, 孙世威, 郭军明
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Spatiotemporal distribution and potential sources of snow mercury in Arctic Alaska during the spring season
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Dingming NI, Shichang KANG, Yulan ZHANG, Tingfeng DOU, Jie HUANG, Shiwei SUN, Junming GUO
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表2 北极不同地区表层雪中THg浓度对比
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Table 2 Comparison of THg concentration in the surface snow in different Arctic areas
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采样地点 | 采样时间 | 样品数n | THg/(ng∙L-1) | 备注 | 文献来源 |
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平均值 | 最小值 | 最大值 |
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Barrow | 2017-04-06—2017-05-18 | 70 | 17.5 | 1.2 | 160.3 | | 本研究 | Barrow | 2003-04-05—2003-04-08 | 5 | 132.0±52.9 | - | - | | [22] | Resolute | 1998-03—1998-05 | - | - | 30 | 156 | | [31] | Summit | 2001-05 | 8 | 0.91 | 0.36 | 1.74 | | [32] | Ny-Ålesund | 2000-03-15—2000-06-01 | 10 | 10.5 | 0.2 | 38 | | [27] | Ny-Ålesund | 2003-04-10—2003-05-10 | 14 | 11.0±7.8 | - | - | AMDE时期 | [33] | 10 | 10.4±4.8 | - | - | 非AMDE时期 | Ny-Ålesund | 2005-04-18—2005-05-14 | 6 | ∼23.5±12.8 | - | - | 上午 | [34] | 6 | ∼45.4±13.6 | - | - | 晚上 | 7 | ∼25.3±13.1 | - | - | AMDE前期 | 6 | ∼44.1±19.0 | - | - | AMDE中期 | 15 | ∼28.4±18.5 | - | - | AMDE后期 |
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