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H. Christopher Frey
H. Christopher Frey
Glenn E. Futrell Distinguished University Professor of Environmental Engineering, North Carolina
Verified email at ncsu.edu
Title
Cited by
Cited by
Year
Probabilistic techniques in exposure assessment: a handbook for dealing with variability and uncertainty in models and inputs
AC Cullen, HC Frey
Springer Science & Business, 1999
14391999
Identification and review of sensitivity analysis methods
H Christopher Frey, SR Patil
Risk analysis 22 (3), 553-578, 2002
11982002
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
3682003
Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements
HC Frey, K Zhang, NM Rouphail
Environmental science & technology 42 (7), 2483-2489, 2008
2902008
Uncertainties in predicted ozone concentrations due to input uncertainties for the UAM-V photochemical grid model applied to the July 1995 OTAG domain
SR Hanna, Z Lu, HC Frey, N Wheeler, J Vukovich, S Arunachalam, ...
Atmospheric Environment 35 (5), 891-903, 2001
2782001
A vehicle-specific power approach to speed-and facility-specific emissions estimates for diesel transit buses
H Zhai, HC Frey, NM Rouphail
Environmental science & technology 42 (21), 7985-7991, 2008
2512008
Comparing real-world fuel consumption for diesel-and hydrogen-fueled transit buses and implication for emissions
HC Frey, NM Rouphail, H Zhai, TL Farias, GA Gonçalves
Transportation Research Part D: Transport and Environment 12 (4), 281-291, 2007
2412007
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
2122002
Real-world in-use activity, fuel use, and emissions for nonroad construction vehicles: a case study for excavators
S Abolhasani, HC Frey, K Kim, W Rasdorf, P Lewis, S Pang
Journal of the Air & Waste Management Association 58 (8), 1033-1046, 2008
1662008
Coal blending optimization under uncertainty
JS Shih, HC Frey
European Journal of Operational Research 83 (3), 452-465, 1995
1601995
Road grade estimation for on-road vehicle emissions modeling using light detection and ranging data
K Zhang, HC Frey
Journal of the Air & Waste Management Association 56 (6), 777-788, 2006
1572006
Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements
MC Coelho, HC Frey, NM Rouphail, H Zhai, L Pelkmans
Transportation Research Part D: Transport and Environment 14 (2), 91-99, 2009
1552009
Comprehensive field study of fuel use and emissions of nonroad diesel construction equipment
HC Frey, W Rasdorf, P Lewis
Transportation Research Record 2158 (1), 69-76, 2010
1542010
Quantitative analysis of uncertainty and variability in environmental policy making
HC Frey
Fellowship Program for Environmental Science and Engineering, American …, 1992
1531992
A review of factors impacting exposure to PM2. 5, ultrafine particles and black carbon in Asian transport microenvironments
P Kumar, AP Patton, JL Durant, HC Frey
Atmospheric environment 187, 301-316, 2018
1512018
Speed-and facility-specific emission estimates for on-road light-duty vehicles on the basis of real-world speed profiles
HC Frey, NM Rouphail, H Zhai
Transportation Research Record 1987 (1), 128-137, 2006
1492006
Road grade quantification based on global positioning system data obtained from real-world vehicle fuel use and emissions measurements
BY Boroujeni, HC Frey
Atmospheric Environment 85, 179-186, 2014
1402014
Characterizing, simulating, and analyzing variability and uncertainty: an illustration of methods using an air toxics emissions example
HC Frey, DS Rhodes
Human and ecological risk assessment: an international journal 2 (4), 762-797, 1996
1361996
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
1302003
Trends in onroad transportation energy and emissions
HC Frey
Journal of the Air & Waste Management Association 68 (6), 514-563, 2018
1292018
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