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Research Summary
Climate impacts from greenhouse gas emissions are relatively well understood. However, the potential impacts of aviation emissions on climate are unique since most of the emissions occur at altitudes where other anthropogenic sources are absent. The impacts of aviation on stratospheric ozone and radiative forcing from CO2, NOx, persistent contrails, and aviation-induced cirrus clouds may be significant. There are large uncertainties in relating aviation emissions to changes in radiative forcing or surface temperature, especially for contrail-associated pathways.
My interest is in reducing the uncertainty in these issues, and in particular the uncertainty of aiviation-induced cloud effects.
For more information, Please go to my main Research page
Selected Publications
Primary Author
"Analysis of Emission Data from all Commercial Aircraft Worldwide," J.T. Wilkerson, Jacobson, M.Z., S. Balasubramanian, A. Malwitz, R. Wayson, G. Fleming, A.D. Naiman, S.K. Lele, In Progress.
"Global Commercial Aviation Emissions Inventory for 2004," Wilkerson, J.T.,M.Z. Jacobson, S. Balasubramanian, A. Malwitz, R. Wayson, G. Fleming, A.D. Naiman, S.K. Lele,Poster Presentation, American Geophysical Union Fall Meeting, San Francisco, 2008.
“Contaminant Transport and Dispersion around Shipping Containers,” J.T. Wilkerson, Poster Presentation, DHS: Working Together Conference, Boston, MA, April, 2005.
“Contaminant Transport and Dispersion Modeling,” J.T. Wilkerson, B.Z. Cybyk, Brown-Bag Seminar to JHUAPL National Security Technology Department, Columbia, MD, January, 2005.
"Numerical Assessment of Heterogeneous Plasma Discharge Effects on Supersonic Forebody Drag", J. Wilkerson, D. Van Wie, B. Cybyk, AIAA 03-0526, 41st AIAA Aerospace Sciences Meeting & Exhibit, Reno, NV, January, 2003.
"The University of Maryland - Methanol Hybrid Electric Vehicle", J. Wilkerson, F. Householder, SAE SP-1103, Presented at 1995 SAE International Congress & Exposition, Detroit, MI, February, 1995.
"Development of a Power Assist Methanol Hybrid Electric Vehicle," J.T.Wilkerson, F. Householder, M. Caggiano, AIAA-94-3794, 29th Intersociety Energy Conversion Engineering Conference, Monterey, CA, August, 1994.
Others
"Quantifying the Effects of Aircraft on Climate With a Model That Treats the Subgrid Evolution of Contrails From All Commercial Flights Worldwide," M.Z. Jacobson, J.T. Wilkerson, A.D. Naiman, S.K. Lele, 2009, In Review.
"A Low-Order Contrail Model for use with Global-Scale Climate Models," A. D. Naiman, S.K. Lele, J.T. Wilkerson, M.Z. Jacobson, 47th AIAA Aerospace Sciences Meeting, AIAA-2009-557, Orlando, FL, January 2009
"The environment created by an open-air solid rocket propellant fire," L.W. Hunter, Y. Chang, H.N. Oguz, J.T. Wilkerson, A.M. Lennon, R.P. Cain, B.G. Carkhuff, M.E. Thomas, S.C. Walts, C.A. Mitchell, D.W. Blodgett, D.H. Terry, Combustion Science and Technology, 179:5, 1003 - 1027, 31 March, 2007
“Shipping Container Inspections by Headspace Vapor Sampling,” L. Hunter, J.T. Wilkerson, D. Lawrence, M. Kozlowski, DHS: Working Together Conference, Boston, MA, April, 2005.
“Single-Pulse performance of the SparJet Flow Control Actuator”, B.Z. Cybyk, K.R. Grossman, J.T. Wilkerson, J. Chen, and J. Katz, AIAA 05-0401, 43rd AIAA Aerospace Sciences Meeting & Exhibit, Reno, NV, January 2005.
“Methanol Crossover and Fluid Dynamics Issues in Methanol-Air Fuel Cells,” R. Srinivasan, H. Saffarian, J.T. Wilkerson, B. Cybyk, PowerSources2004, Philadelphia, PA, August 2004.
“Performance Characteristics of the SparkJet Flow Control Actuator,” B. Cybyk, J. Wilkerson, K. Grossman, AIAA 04-2131, 2nd AIAA Flow Control Conference, Portland, OR, June, 2004.
“Application of an Analytical Plenum-Nozzle Design Model for Pulsed Detonation Engines,” B. Leary, J.T. Wilkerson, T. Rice, ISABE 2003-1239, XVI ISABE, Cleveland, OH, August, 2003.
"Computational Assessment of the SparkJet Flow Control Actuator," B.Z. Cybyk, J.T. Wilkerson, K.R. Grossman, D.M. Van Wie, AIAA-03-3711, Orlando, FL, June, 2003.
Education
Ph.D. in Atmosphere/Energy, Civil & Environmental Engineering, Stanford University, in progress
M.S. in Atmosphere/Energy, Civil & Environmental Engineering, Stanford University, 2007
B.S. in Mechanical Engineering, University of Maryland, College park, 1995
Aircraft Avionics & Electronics, Community College of the Air Force, 1986
Resume
Contact
wilkejt1@stanford.edu
Department of Civil & Environmental Engineering
Stanford University
Jerry Yang & Akiko Yamazaki Environment & Energy Building
MC 4020
473 Via Ortega, Room 390A
Stanford, CA 94305