OREGON STATE UNIVERSITY

Murphy, Glen

Emeritus Professor

Email Address: 
Curriculum Vitae: 
Education: 

PhD, 1987, Forest Engineering, Oregon State University

BS, 1974, Forestry, Australian National University

Current Programs: 

Production economics and impacts of alternative silviculutral systems, small timber harvesting systems, smart sensor systems for improved wood utilization, scanning for value on mechanized harvesters.

Courses: 
  • FE 440/540: Logging Operations Analysis
  • FE 441/541: Production Planning and Control in Logging
Recent Publications: 

Murphy G.E. (in review). Optimising log storage and handling in New Zealand ports. International Journal of Logistics Research and Applications. (submitted August 2015)

Murphy G.E., and Cown D. 2015. Within tree, between tree and geospatial variation in estimated Pinus radiata bark volume and weight in New Zealand. New Zealand Journal of Forestry Science. (accepted September 2015)

Murphy G.E., and Logan O. 2015. Radiata pine bark removal associated with two on-landing, log processing methods. Forest Products Journal. (accepted September 2015)

Murphy G.E., and Williams L. 2015. Plantation forestry and dairy farming land use impacts on potential wear of rural roads. International Journal of Forest Engineering 26(2): 139-145.

Murphy G.E., and Cown D. 2015. Stand, stem and log segregation based on wood properties: a review. Scandinavian Journal of Forest Research. 30(8):757-770. (http://dx.doi.org/10.1080/02827581.2015.1055791.)

Zamora, R., Sessions, J., Boston, K., and Murphy, G.E. 2015 Economic optimization of forest biomass processing and transport in the Pacific Northwest USA. Forest Science 61(2): 220-234. (http://dx.doi.org/10.5849/forsci.13-158).

Murphy, G.E. 2014. Priority list bucking on a mechanized harvester considering external properties and stiffness of Douglas-fir. International Journal of Forest Engineering 25(3): 214-221. (http://dx.doi.org/10.1080/14942119.2014.973177.)

Murphy, G.E., Marshall, H, and Dick, A. 2014. Time of day impacts on machine productivity and value recovery in an off-forest central processing yard. New Zealand Journal of Forestry Science 59(3): 11-17.

Zamora, R., Boston, K., Sessions, J., and Murphy, G.E. 2013. Stochastic simulation and optimization of mobile chipping economics in processing and transport of forest biomass from residues. Silva Fennica 47(5): artic ID 937 (http://dx.doi.org/10.14214/sf.937).

Zamora, R., Sessions, J., Murphy, G.E., and Boston, K. 2013. Economic impact of truck- machine interference in forest biomass recovery operations on steep terrain. Forest Products Journal 63(5/6): 162-173.

Paradis, N. and Murphy, G.E. 2013. Effects of sweep in hybrid poplar on acoustic velocity at the tree level. New Zealand Journal of Forestry Science 43:7 doi:10.1186/1179-5395-43-7

Murphy, G.E. 2013. International trends in forestry education. New Zealand Journal of Forestry 58(1): 24-28.

Passicot, P. and Murphy, G.E. 2013. Effect of work schedule design on productivity of mechanized harvesting operations in Chile. New Zealand Journal of Forestry Science 43(2): doi:10.1186/1179-5395-43-2

Barnett, J. and Murphy, G.E. 2013. Accuracy of automated assessment of sweep in standing hybrid poplar trees using terrestrial laser scanning. Forest Products Journal 62(7-8): 500-506.

Kim, D.W. and Murphy, G.E. 2013. Forecasting air drying rates of small Douglas-fir and hybrid poplar stacked logs in Oregon, USA. International Journal of Forest Engineering 24(2): 137-147.

Murphy, G.E., Kent, T., and Kofman, P.K. 2013. Modeling air-drying of Sitka Spruce (Picea sitchensis B.Bong, Carr) biomass in off-forest storage yards in Ireland. Forest Products Journal 62(6): 443-449.

Murphy, G.E. 2012. Evaluation of an occlusion adjustment model for predicting hidden stems when using terrestrial laser scans in natural and plantation forests in Australia and USA. New Zealand Journal of Forestry Science 42: 57-63.

Han, S.K. and Murphy, G.E. 2012 Solving a woody biomass truck scheduling problem for a transport company in Western Oregon, USA. Biomass and Bioenergy 44: 47-55.

Murphy, G.E., Clark, J., and Pilkerton, S. 2012. Current and potential tagging and tracking systems for logs harvested from Pacific Northwest forests. Western Journal of Applied Forestry 27(2): 84-91.

Han, S.K. and Murphy, G.E. 2012. Predicting the loaded travel times of highway woody raw materials hauling trucks for improved forest biomass utilization. Western Journal of Applied Forestry 27(2): 92-99.

Han, S.K. and Murphy, G.E. 2012. Trucking productivity and costing model for transportation of woody biomass. Forest Products Journal 61(7): 552-560.

Dowding, B., and Murphy, G.E. 2011. Estimating spatial changes in acoustic velocity in felled Douglas-fir stems. International Journal of Forest Engineering 22(1): 24-34.

Murphy, G.E., and Pilkerton, S.J. 2011. Seasonal impacts on bark loss by mechanized processors in Oregon. International Journal of Forest Engineering 22(1): 35-41.

Murphy, G.E., and Acuna, M.A. 2011. Ranking of four contributions to error in stand level Douglas fir log supply and value recovery estimation. Canadian Journal of Forest Research. 41(10): 2040-2050.

Clark, J. and Murphy, G.E. 2011. Estimating forest biomass components with hemispherical photography for Douglas-fir stands in northwest Oregon. Canadian Journal of Forest Research. 41(5): 1060-1074.

Murphy, G.E., and Pilkerton, S.J. 2011. Seasonal impacts of bark loss on simulated payloads, bark delivery and transport costs. Forest Products Journal 61(1):71-76.

Hamsley, A., Greene, D., Baker, S. and Murphy, G.E. 2010. Individual stem value recovery of modified and conventional tree-length systems in the southeastern United States. International Journal of Forest Engineering 21(1):7-11.

Murphy, G.E., Acuna, M. and Dumbrell, I. 2010. Tree value and log product yield determination in radiata pine plantations in Australia: comparisons of terrestrial laser scanning with a forest inventory system and manual measurements. Canadian Journal of Forest Research 40(11): 2223-2233.

Murphy, G.E., Lyons, J., O'Shea, M., Mullooly, G., Keane, E., Devlin, G. 2010. Management tools for optimal allocation of wood fibre to conventional and bioenergy markets in Ireland. European Journal of Forest Research 129(6):1057-1067.

Murphy, G.E., Brownlie, R.K., Kimberley, M., Beets, P. 2009. Impacts of forest harvesting related soil disturbance on end-of-rotation wood quality and quantity in a New Zealand radiata pine forest. Silva Fennica 43(1): 147-160.

Amishev, D., Murphy, G.E. 2009. Estimating breakeven prices for Douglas-fir veneer quality logs from stiffness-graded stands using acoustic tools. Forest Products Journal 59(4):45-52.

Recent Theses:

Kim, Dong-Wook 2012. Modeling air-drying of Douglas-fir and hybrid poplar biomass in Oregon. MSc Oregon State University.

Barnett, Jennifer 2012. Estimating volume and value of standing timber in hybrid poplar plantations using terrestrial laser scanning: A case study. MSc Oregon State University.

Dowding, Bodie 2010. Estimating spatial changes in acoustic velocity in felled Douglas-fir stems. MSc Oregon State University.

Sang-kyun Han. 2011. Managing woody biomass transportation for improved biomass economics. PhD. Oregon State University.

Clark, Joshua. 2009.  Forest biomass estimation with hemispherical photography for multiple forest types and various atmospheric conditions. PhD. Oregon State University.

Lengerich,  Maria Francisca Belart.  2008. Evaluation of a prototype NIR system for Douglas-fir wood density estimation. MS. Oregon State University.

Amishev, Dzhamal. 2008. In-forest log segregation based on acoustic measurement of wood stiffness. PhD. Oregon State University.