TY - JOUR A1 - Chellman, N. J. A1 - Hastings, M. G. A1 - McConnell, J. R. T1 - Increased nitrate and decreased δ15N-NO3- in the Greenland Arctic after 1940 attributed to North American oil burning JO - The Cryosphere Discuss. J1 - TCD VL - 2016 SP - 1 EP - 22 Y1 - 2016/07/13 PB - Copernicus Publications SN - 1994-0440 UR - https://tc.copernicus.org/preprints/tc-2016-163/ L1 - https://tc.copernicus.org/preprints/tc-2016-163/tc-2016-163.pdf DO - 10.5194/tc-2016-163 ER -