[1]State Key Laboratory of Cryospheric Sciences,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China;
[2]Department of Chemistry,Villanova University,Villanova,PA 19085,USA;
[1]State Key Laboratory of Cryospheric Sciences,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China;
[1]State Key Laboratory of Cryospheric Sciences,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China;
[3]Department of Chemistry and Biochemistry,Old Dominion University,Norfolk,VA 23529,USA;
[3]Department of Chemistry and Biochemistry,Old Dominion University,Norfolk,VA 23529,USA;
[1]State Key Laboratory of Cryospheric Sciences,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China;
NEEM ice core; FT-ICR-MS; dissolved organic matter;