Ocean‐atmosphere‐sea ice‐snowpack interactions in the Arctic, and global change

Ocean‐atmosphere‐sea ice‐snowpack interactions in the Arctic, and global change
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北极海洋-大气-海冰-积雪相互作用以及全球变化

DOI:
10.1029/2003eo360002
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发表时间:
2003
期刊:
Eos, Transactions American Geophysical Union
影响因子:
--
通讯作者:
J. Bottenheim
J. Bottenheim
中科院分区:
--
文献类型:
--
作者:
P. Shepson;P. Matrai;L. Barrie;J. Bottenheim

文献摘要

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20世纪70年代末和80年代初对北极烟霾性质的发现[巴里,1986年]表明,北极不是一个与人类活动隔绝的原始环境,而是一个通过风、冰运动和洋流与自然和人为化学品源密切相关的区域。在冬季和春季,大量的污染随着风从欧洲和北方亚洲带到北极。对这一现象的研究偶然发现了极地日出时北极海洋边界层(MBL)中的臭氧消耗化学[Oltmans,1981年; Bottenheim等人,1986年]。反过来,为了解地表臭氧消耗化学而开展的研究发现,臭氧消耗化学正在扰乱汞等许多元素的地球化学循环;臭氧消耗化学可能对地表附近大气层的辐射转移产生重大影响,对生物介导的化合物的海气交换产生重要后果。
The discovery of the nature of Arctic haze in the late 1970s and early 1980s [Barrie, 1986] showed that the Arctic is not a pristine environment isolated from human activity, but rather, a region well connected to natural and anthropogenic sources of chemicals by winds, ice movement, and marine currents. Copious pollution is carried on the winds to the Arctic during winter and spring from Europe and northern Asia. The study of this phenomenon led serendipitously to the discovery of ozone depletion chemistry in the Arctic marine boundary layer (MBL) at polar sunrise [Oltmans, 1981; Bottenheim et al., 1986]. In turn, research to understand surface ozone depletion chemistry led to the discovery that it is perturbing the biogeochemical cycle of many elements such as mercury; and that ozone depletion chemistry is likely to have a significant impact on radiative transfer in the atmospheric layer near the surface, with important consequences on the air-sea exchange of biologically-mediated compounds.