H. Christopher Frey

Identification and Review of Sensitivity Analysis Methods

H. Christopher Frey, Sumeet Patil · Risk Analysis · 2002 · 1K citations

Agriculture, Risk Management, Food Safety +15

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

Engineering, Automotive Engineering, Vehicle Safety Engineering +15

Fuel Use and Emissions Comparisons for Alternative Routes, Time of Day, Road Grade, and Vehicles Based on In-Use Measurements

H. Christopher Frey, Kaishan Zhang, Nagui M. Rouphail · Environmental Science & Technology · 2008 · 218 citations

Engineering, Automotive Engineering, Environmental Engineering +17

A Vehicle-Specific Power Approach to Speed- and Facility-Specific Emissions Estimates for Diesel Transit Buses

Haibo Zhai, H. Christopher Frey, Nagui M. Rouphail · Environmental Science & Technology · 2008 · 200 citations

Public Health, Automotive Engineering, Transportation Planning +15

Uncertainties in predicted ozone concentrations due to input uncertainties for the UAM-V photochemical grid model applied to the July 1995 OTAG domain

Steven R. Hanna, Zhigang Lu, H. Christopher Frey et al. · Atmospheric Environment · 2001 · 196 citations

Natural Sciences, Earth Sciences, Environmental Sciences +8