Berg T, Steinnes E
Norwegian Institute for Air Research, Kjeller, Norway.
Sci Total Environ. 1997 Dec 22;208(3):197-206. doi: 10.1016/s0048-9697(97)00253-2.
Atmospheric trace element deposition in Norway has been evaluated by using data from a national moss survey from 1995, comprising 53 elements in 458 samples of the ground growing moss Hylocomium splendens. The results are compared with similar surveys carried out in 1977, 1985 and 1990 in order to evaluate temporal deposition trends. Atmospheric long-range transport (LRTP) from other parts of Europe is the main source for deposition of V, Zn, As, Mo, Ag, Cd, Sn, Sb, Hg, Tl, Pb and Bi in Norway. Between 1977 and 1990 the levels of most of the LRTP elements monitored (V, Zn, As, Cd, Sb, Pb) were reduced by more than 50%. Between 1990 and 1995, no further decrease has been observed for any of the LRTP elements, except for Pb where a further reduction is evident. The most north-easterly part of Norway is exposed to high levels of Co, Ni and Cu from emission sources from the Kola peninsula, Russia and the levels have not changed significantly since 1977. A new ferro-chrome smelter at Mo i Rana, northern Norway has resulted in a substantially enhanced deposition of Cr in the surrounding area.
通过使用1995年全国苔藓调查的数据，对挪威大气中的微量元素沉积情况进行了评估。该调查涵盖了458个地面生长的华丽灰藓样本中的53种元素。将结果与1977年、1985年和1990年进行的类似调查进行比较，以评估时间上的沉积趋势。来自欧洲其他地区的大气长距离传输（LRTP）是挪威V、Zn、As、Mo、Ag、Cd、Sn、Sb、Hg、Tl、Pb和Bi沉积的主要来源。在1977年至1990年期间，所监测的大多数LRTP元素（V、Zn、As、Cd、Sb、Pb）的含量降低了50%以上。在1990年至1995年期间，除Pb明显进一步降低外，未观察到任何LRTP元素有进一步下降。挪威最东北部地区受到来自俄罗斯科拉半岛排放源的高水平Co、Ni和Cu的影响，自1977年以来这些水平没有显著变化。挪威北部莫伊拉纳的一座新铬铁冶炼厂导致周边地区Cr的沉积大幅增加。
