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Different post-depositional processes of NO3 – in snow layers in East Antarctica and on the northern Qinghai-Tibetan Plateau
Annals of Glaciology
Through comparison of snow-pit NO3 – profiles from central East Antarctica and the northern Qinghai-Tibetan Plateau (QTP), we conclude that NO3 – peaks in the uppermost surface snow layers in central East Antarctica are not related to an atmospheric signal and that they need to be accounted for by post-depositional effects. Such effects, however, are not found in the snow-pit NO3 – profiles from the northern QTP. NO3 – can be deposited as a gas (HNO3 –) or as a neutral salt, particularly bydoi:10.3189/172756499781821049 fatcat:irat54qcrnd2jaypwxa6ubk3vm