Alper Ünal

On-Road Measurement of Vehicle Tailpipe Emissions Using a Portable Instrument

H. Christopher Frey, Alper Ünal, Nagui M. Rouphail et al. · Journal of the Air & Waste Management Association · 2003 · 262 citations · Full text

Investigation Anthropogenic Impacts and Climate Factors on Drying up of Urmia Lake using Water Budget and Drought Analysis

Yusuf Alizade Govarchin Ghale, Abdüsselam Altunkaynak, Alper Ünal · Water Resources Management · 2017 · 121 citations

Water Availability, Engineering, Water Resources +8

EMISSIONS REDUCTION THROUGH BETTER TRAFFIC MANAGEMENT: AN EMPIRICAL EVALUATION BASED UPON ON-ROAD MEASUREMENTS

H. Christopher Frey, Nagui M. Rouphail, Alper Ünal et al. · 2001 · 68 citations

Clean Transportation, Environmental Monitoring, Statistical Methods +15

VEHICLE EMISSIONS AND TRAFFIC MEASURES: EXPLORATORY ANALYSIS OF FIELD OBSERVATIONS AT SIGNALIZED ARTERIALS

Nagui M. Rouphail, H. Christopher Frey, James Colyar et al. · 2001 · 54 citations

Investigating the interaction between agricultural lands and Urmia Lake ecosystem using remote sensing techniques and hydro-climatic data analysis

Yusuf Alizade Govarchin Ghale, Metin Baykara, Alper Ünal · Agricultural Water Management · 2019 · 50 citations

Precision Agriculture, Environmental Monitoring, Engineering +16