On-road measurement of vehicle tailpipe emissions using a portable instrument HC Frey, A Unal, NM Rouphail, JD Colyar Journal of the air & waste management association 53 (8), 992-1002, 2003 | 368 | 2003 |
Megacities as hot spots of air pollution in the East Mediterranean M Kanakidou, N Mihalopoulos, T Kindap, U Im, M Vrekoussis, ... Atmospheric Environment 45 (6), 1223-1235, 2011 | 300 | 2011 |
Airport related emissions and impacts on air quality: Application to the Atlanta International Airport A Unal, Y Hu, ME Chang, MT Odman, AG Russell Atmospheric Environment 39 (32), 5787-5798, 2005 | 256 | 2005 |
Methodology for developing modal emission rates for EPA’s multi-scale motor vehicle & equipment emission system HC Frey, A Unal, J Chen, S Li, C Xuan Ann Arbor, Michigan: US Environmental Protection Agency, 13, 2002 | 212 | 2002 |
Effect of arterial signalization and level of service on measured vehicle emissions A Unal, NM Rouphail, HC Frey Transportation Research Record 1842 (1), 47-56, 2003 | 130 | 2003 |
Optimization-based source apportionment of PM2. 5 incorporating gas-to-particle ratios A Marmur, A Unal, JA Mulholland, AG Russell Environmental science & technology 39 (9), 3245-3254, 2005 | 119 | 2005 |
Long-range aerosol transport from Europe to Istanbul, Turkey T Kindap, A Unal, SH Chen, Y Hu, MT Odman, M Karaca Atmospheric Environment 40 (19), 3536-3547, 2006 | 111 | 2006 |
Investigation anthropogenic impacts and climate factors on drying up of Urmia Lake using water budget and drought analysis Y Alizade Govarchin Ghale, A Altunkaynak, A Unal Water Resources Management 32, 325-337, 2018 | 105 | 2018 |
Emissions reduction through better traffic management: An empirical evaluation based upon on-road measurements HC Frey, NM Rouphail, A Unal, JD Colyar | 104 | 2001 |
Vehicle emissions and traffic measures: exploratory analysis of field observations at signalized arterials NM Rouphail, HC Frey, JD Colyar, A Unal 80th Annual Meeting of the Transportation Research Board, Washington, DC, 2001 | 102 | 2001 |
Study of a winter PM episode in Istanbul using the high resolution WRF/CMAQ modeling system U Im, K Markakis, A Unal, T Kindap, A Poupkou, S Incecik, O Yenigun, ... Atmospheric Environment 44 (26), 3085-3094, 2010 | 101 | 2010 |
Quantification of highway vehicle emissions hot spots based upon on-board measurements A Unal, HC Frey, NM Rouphail Journal of the Air & Waste Management Association 54 (2), 130-140, 2004 | 97 | 2004 |
The impact of temperature changes on summer time ozone and its precursors in the Eastern Mediterranean U Im, K Markakis, A Poupkou, D Melas, A Unal, E Gerasopoulos, ... Atmospheric Chemistry and Physics 11 (8), 3847-3864, 2011 | 96 | 2011 |
Assessment and economic valuation of air pollution impacts on human health over Europe and the United States as calculated by a multi-model ensemble in the framework of AQMEII3 U Im, J Brandt, C Geels, KM Hansen, JH Christensen, MS Andersen, ... Atmospheric Chemistry and Physics 18 (8), 5967-5989, 2018 | 90 | 2018 |
Measurement of on-road tailpipe CO, NO, and hydrocarbon emissions using a portable instrument HC Frey, NM Rouphail, A Unal, JD Colyar Proceedings, Annual Meeting of the Air & Waste Management Association, 2001 | 76 | 2001 |
Modeled deposition of nitrogen and sulfur in Europe estimated by 14 air quality model systems: evaluation, effects of changes in emissions and implications for habitat protection MG Vivanco, MR Theobald, H García-Gómez, JL Garrido, M Prank, W Aas, ... Atmospheric Chemistry and Physics 18 (14), 10199-10218, 2018 | 67 | 2018 |
Temporal changes in the Euphrates and Tigris discharges and teleconnections OL Sen, A Unal, D Bozkurt, T Kindap Environmental Research Letters 6 (2), 024012, 2011 | 67 | 2011 |
The contribution of Saharan dust in PM10 concentration levels in Anatolian Peninsula of Turkey B Kabatas, A Unal, RB Pierce, T Kindap, L Pozzoli Science of the Total Environment 488, 413-421, 2014 | 66 | 2014 |
Evaluation and error apportionment of an ensemble of atmospheric chemistry transport modeling systems: multivariable temporal and spatial breakdown E Solazzo, R Bianconi, C Hogrefe, G Curci, P Tuccella, U Alyuz, ... Atmospheric chemistry and physics 17 (4), 3001-3054, 2017 | 64 | 2017 |
Recommended strategy for on-board emission data analysis and collection for the new generation model HC Frey, A Unal, J Chen Proceedings of the 12th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, 2002 | 64 | 2002 |