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1 主要采样点信息
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Table 1 Main sampling point information
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采样地点 | 纬度/N | 经度/W | 海拔/m | 采样时间 | 样品类别 | 样品总数 |
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Anchorage to Fairbanks | 61°49′43″ | 150°04′24″ | 63.8 | 2017-04-19 | 山地表层雪 | 27 | 62°27′02″ | 150°16′16″ | 183.1 | 62°44′12″ | 150°08′59″ | 278.3 | 62°51′29″ | 149°52′30″ | 372.9 | 63°10′12″ | 149°23′17″ | 637.2 | 63°19′22″ | 149°08′26″ | 741.0 | 64°12′12″ | 149°17′53″ | 583.0 | Fairbanks to Livengood | 64°57′11″ | 147°57′12″ | 235.7 | 2017-04-20 | 65°09′22″ | 147°52′27″ | 294.8 | 65°24′45″ | 148°14′35″ | 377.0 | 65°30′25″ | 148°36′48″ | 185.7 | 65°34′24″ | 149°02′46″ | 443.1 | 65°47′23″ | 149°24′45″ | 528.2 | Fairbanks to Tok | 64°34′04″ | 147°02′20″ | 200.1 | 2017-04-21 | 64°18′33″ | 146°40′59″ | 263.7 | 63°49′ | 144°54′57″ | 417.5 | 63°40′28″ | 144°07′43″ | 426.5 | 62°39′ | 141°02′41″ | 571.5 | Tok to Anchorage | 63°03′39″ | 143°21′19″ | 630.0 | 2017-04-22 | 62°35′07″ | 144°39′16″ | 592.4 | 62°05′52″ | 146°09′24″ | 727.5 | 61°59′04″ | 147°04′51″ | 974.0 | Prudhoe to Sagwon | 69°58′56″ | 148°41′54″ | 40.0 | 2017-04-23 | 69°36′19″ | 148°38′40″ | 130.0 | 69°18′16″ | 148°44′13″ | 227.9 | 68°56′30″ | 148°52′10″ | 426.1 | 69°12′59″ | 148°47′25″ | 272.3 | Barrow | 71°22′ | 156°30′ | - | 2017-04-06—2017-05-18 | 表层雪 | 70 | 雪坑 | 72(18个雪坑) |
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