This is a preview of subscription content, log in by way of an establishment to check access. Obtain this textThis may be because of dust storm exercise in central Asia. The get of significant ionic concentrations from the snow packs was firm to be Ca2+ > SO4 two??> NH4 + > NO3 ??> Cl?? Na+ > Mg2+ > K+. Ca2+ was the dominant cation; SO4 two??was th