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This is the preview of subscription content material, log in by using an establishment to check access. Entry this postThis may be brought on by dust storm exercise in central Asia. The buy of main ionic concentrations while in the snow packs was resolute for being Ca2+ > SO4 2??> NH4 + > NO3 ??> Cl?? Na+ > Mg2+ > K+. Ca2+ was the dominant cation;