Impact of pollution at a Stone Age rock art site in Oslo, Norway, studied using lead and strontium isotopes

被引:11
作者
Åberg, G
Stray, H
Bahlin, E
机构
[1] Inst Energy Technol, N-2027 Kjeller, Norway
[2] Norwegian Inst Air Res, N-2027 Kjeller, Norway
关键词
rock carving; pollution; strontium isotopes; lead isotopes; Stone Age; Norway;
D O I
10.1006/jasc.1999.0445
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
Naturally occurring strontium and lead isotopes were used to study the impact of anthropological pollution on a c. 4500-year-old rock carving in Oslo, Norway. Strontium analyses have shown that road-salt from de-icing of a nearby road has accumulated in the soil surrounding the carving. Upon rainfall this salt is redissolved and drains over the rock carving. Analyses of the lead isotopic system have confirmed the impact of traffic from the nearby road on the rock carving site, but also indicate other sources of lead in the Oslo area and pollution in general. The rock carvings Ekeberg are at high risk as, apart from natural weathering, they are exposed to the deposition of road salt, emissions from nearby traffic, local and long distance atmospheric pollution and meteorological inversion effects during the winter.
引用
收藏
页码:1483 / 1488
页数:6
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