This can be a preview of membership articles, log in by way of an establishment to check entry. Access this informationThis may be due to dust storm action in central Asia. The get of important ionic concentrations within the snow packs was determined for being Ca2+ > SO4 2??> NH4 + > NO3 ??> Cl?? Na+ > Mg2+ > K+. Ca2+ was the dominant cation; SO4