TY - JOUR A1 - Zhang, R. A1 - Wang, Y. A1 - Smeltzer, C. A1 - Qu, H. A1 - Koshak, W. A1 - Boersma, K. F. T1 - Comparing OMI-based and EPA AQS in situ NO2 trends: towards understanding surface NOx emission changes JO - Atmos. Meas. Tech. J1 - AMT VL - 11 IS - 7 SP - 3955 EP - 3967 Y1 - 2018/07/06 PB - Copernicus Publications SN - 1867-8548 UR - https://amt.copernicus.org/articles/11/3955/2018/ L1 - https://amt.copernicus.org/articles/11/3955/2018/amt-11-3955-2018.pdf DO - 10.5194/amt-11-3955-2018 ER -