Data on earthquake-induced landslides in the valley of Rivière du Gouffre in the Charlevoix region of Quebec are presented. A set of 37 radiocarbon dates...
Monitoring atmospheric emissions from industrial centers in North America is significantly younger than the emitting activities themselves. Attention should be...
Stable isotopes in tree-ring series are increasingly used to document present and historical effects of pollution on tree physiology and forest ecosystems. The...
In northeastern Alberta (Canada), the NOx and SO2 emissions from the Lower Athabasca Oil Sands (OS) district, and power plants (PP) started in 1967 and 1956,...
In North America, the direct measurement of N-bearing air pollutants rarely goes be - yond the last 25 years in rural regions where stationary sources are...
Carbon and Nitrogen stable isotopes of tree-ring series have been shown to detect past air and soil pollution effects on forests in the contexts of point...