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Staff Profiles -


Jonathan Allan,
Coastal Geomorphologist,
Oregon Department of Geology and Mineral Industries, Coastal Field Office
313 SW 2nd, Suite D
Newport OR 97365
Phone: (541) 574-6658
Fax: (541) 265-5241

Jonathan.Allan@state.or.us

Current Projects

A. Baptista, Y. Zhang, A. Chawla, J. Allan, G. Priest, M. Haller, T. Ozkan-Haller, S. Rumrill, G. Gelfenbaum, P. MacCready, A. Devol, G. Kaminsky, J. Newton, “A Pilot Coastal Ocean Observatory for the Estuaries and Shores of Oregon and Washington.” Funded by the National Oceanic and Atmospheric Administration. 2-year study.

Northwest Association of Networked Ocean Observing Systems (NANOOS)

Priest, G.R., and J.C. Allan, “Detailed geotechnical analysis of large translational landslide in seaward-dipping sedimentary rocks.” A research proposal submitted and accepted by the Oregon Department of Transportation Research Group and Federal Highways Administration. 5-year study.

Background Information

1999 - 2001 Postdoctoral Research Fellow, College of Oceanic & Atmospheric Sciences, Oregon State University, Oregon, USA.
1992 - 1998 PhD, Department of Geography, University of Canterbury, New Zealand.
1990 - 1991 M.Sc, Department of Geography, University of Canterbury, New Zealand.
1986 - 1989 B.Sc, Department of Geography, University of Canterbury, New Zealand.

Research Interests

Major research interest in understanding the role of:

       -  beach process dynamics in lake and oceanic environments,
       -  coastal engineering structure effects,
       -  equilibrium beach forms,
       -  sediment dynamics,
       -  nearshore processes,
       -  El Niño/La Niña Southern Oscillation,
       -  shoreline management
       -  wave climate changes.

Recent Publications and Conference Presentations

Allan, J.C. and Hart, R., 2007. Profile dynamics and particle tracer mobility of a cobble berm constructed on the Oregon Coast, Coastal Sediments' 07, Coastal Engineering and Science in Cascading Spatial and Temporal Scales, New Orleans, Louisiana.

Allan J.C., Hart R., and V. Tranquilli, 2006. The use of Passive Integrated Transponder tags (PIT-tags) to trace cobble transport in a mixed sand-and-gravel beach on the high-energy Oregon coast, USA. Marine Geology, 232(1-2): 63-86.

Allan, J.C., and P.D. Komar, 2006. Climate controls on US West Coast erosion processes. Journal of Coastal Research, 22(3): 511-529.

Baptista A., Zhang Y., Turner P., Zulauf M., Kaminsky G., Grantham B., Allan J., Newton J., Devol A., MacCready P., Rumrill S., Haller M., Ozkan-Haller T., Gelfenbaum G., Ruggiero P., 2006. NANOOS-Pilot technologies: a national role?, Eos Trans. AGU,Ocean Sci. Meet. Suppl. Abstract OS14F-03, vol. 87, Honolulu, Hawaii.

Allan, J.C., Komar, P.D., and R. Hart, 2003. A dynamic revetment and reinforced dune as "natural" forms of shore protection in an Oregon state park. Coastal Structures 2003 Conference, Portland, Oregon, ASCE, pp. 1048-1060.

Allan, J.C. and Komar, P.D. 2004. Environmentally compatible cobble berm and artificial dune for shore protection. Shore & Beach, 72(1): 9-18.

Allan, J.C., P.D. Komar, G.R. Priest, 2003: Shoreline variability on the high-energy Oregon coast and its usefulness in erosion-hazard assessments. In: Byrnes, M.R.; Crowell, M. and Fowler, C., (eds.), Shoreline mapping and change analysis: Technical considerations and management implications. Journal of Coastal Research Special Issue No. 38, pp. 83-105.

Komar, P.D., J.C. Allan, and R. Winz, 2003: Cobble beaches - The "design with nature" approach for shore protection. Proc. 5th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes, Clearwater Beach, Florida.

Komar P.D., Allan J.C. 2003. The roles of tectonic subduction and the earth's changing climate in the morphologic evolution of the Oregon coast. Oceans 3.

Allan, J.C., and P.D. Komar, 2002: A dynamic revetment and artificial dune for shore protection at Cape Lookout State Park, Oregon. Proc. 28th International Conference on Coastal Engineering, Cardiff, Wales.

Komar, P.D., J.C. Allan, 2002: Assessments of nearshore-process climates related to their potential for producing beach and property erosion. Shore and Beach, Vol. 70(3): 31-40.

Allan, J.C., P.D. Komar, 2002: Extreme Storms on the Pacific Northwest Coast during the 1997-98 El Niño and 1998-99 La Niña. Journal of Coastal Research, Vol. 18(1), 175-193.

Allan, J.C., W.J. Stephenson, R.M. Kirk, A. Taylor, 2002: Lacustrine shore platforms, Lake Waikaremoana, New Zealand. Earth Surfaces Processes and Landforms, Vol. 27(2): 207-220.

Komar, P.D., J.J. Marra, and J.C. Allan, 2002: Coastal-erosion processes and assessments of setback distances. Proc. of Solutions to Coastal Disasters '02, Sand Diego, California, Amer. Soc. Civil Engrs, 808-822.

Allan, J.C., and P.D. Komar, 2001: Wave climate change and coastal erosion in the US Pacific Northwest. Proc. 4th International Symposium on Ocean Wave Measurement and Analysis, WAVES 2001, San Francisco, California, Amer. Soc. Civ. Engrs., 680-690.

Allan, J.C., P.D. Komar, 2000: Are ocean wave heights increasing in the eastern North Pacific?
Eos, Transactions, American Geophysical Union, 47: 561-567.

Marra, J.J., P.D. Komar, G. Diaz-Mendez, J.C. Allan, and P. Ruggiero, 2000: El Nino versus La Nina along the Oregon coast. Proc. 17th International Conference of the Coastal Society, Portland, Oregon, 776-787.

Komar, P.D., J.C. Allan, G. Diaz-Mendez, J.J. Marra, P. Ruggiero, 2000: El Nino and La Nina – Erosion processes and impacts. Proc. 27th International Conference on Coastal Engineering, Sydney, Australia, 2414-2427.

Allan, J.C., R.M. Kirk, 2000: Wind wave characteristics at Lake Dunstan, South Island, New Zealand, New Zealand Journal of Marine and Freshwater Research, Vol. 34(4), 573-591.

Kirk, R.M., P.D. Komar, J.C. Allan, W.J. Stephenson, 2000: Shoreline erosion on Lake Hawea, New Zealand, caused by high lake levels and storm-wave runup, Journal of Coastal Research, Vol. 16(2), 346-356.

DOGAMI Publications

Allan, J.C. and Hart, R., in review. Assessing the Temporal and Spatial Variability of Coastal Change in the Neskowin Littoral Cell: Developing a Comprehensive Monitoring Program for Oregon Beaches, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan J.C., Komar P.D. 2005. Morphologies of Beaches and Dunes on the Oregon Coast, with Tests of the Geometric Dune-Erosion Model. Open file report O-05-08, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan J.C., Hart R., Geitgey R. 2005. Dynamic revetments for coastal erosion stabilization: A feasibility analysis for application on the Oregon Coast, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan J.C., Hart R. 2005. A geographical information system (GIS) data set of beach morphodynamics derived from 1997, 1998, and 2002 LIDAR data for the central to northern Oregon coast. Open file report O-05-09, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan J.C. 2005. Evaluation of Coastal change and the potential for erosion during extreme storms at Crissey Field, southern Oregon coast. Open file report O-05-12, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan, J.C., P.D. Komar and G.R. Priest, 2004, Coast hazards and management issues on the Oregon coast: Coastal Workshop, Lincoln City, Oregon: Oregon Department of Geology and Mineral Industries Open-File-Report O-04-18, April 2004: 26.

Allan, J.C., 2004: An evaluation of the risks from storm erosion and overwash of the Elk River Spit, Oregon, associated with restoring Western Snowy Plover breeding habitat: Oregon Department of Geology and Mineral Industries Open-File Report O-04-17, May 2004. 44pp.

Allan, J.C., 2004: Coastal processes and shoreline erosion on the Oregon coast, Cascade Head to Cape Kiwanda: Oregon Department of Geology and Mineral Industries Open-File Report O-04-11, May 2004.

Priest, G.R., Chawla, A., and Allan, J.C. 2004, Tsunami Hazard Map of the Alsea Bay (Waldport) Area, Lincoln County, Oregon: Oregon Department of Geology and Mineral Industries Interpretive Map Series IMS-23.

Priest G.R., Allan J.C., Sonnevil R. 2004. Evaluation of coastal erosion hazard zones from Sisters Rocks to North Gold Beach, Curry County, Oregon: Technical report to Curry County. Open file report O-04-20, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Priest G.R., Allan J.C.. 2004. Evaluation of coastal erosion hazard zones along dune and bluff backed shorelines in Lincoln County, Oregon: Cascade Head to Seal Rock. Technical report to Lincoln County. Open file report O-04-09, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Allan J.C., Komar P.D., Priest GR. 2004. Coast hazards and management issues on the Oregon coast: Coastal Workshop, Lincoln City, Oregon, Field Trip to the Oregon Coast, 29 April 2004, Oregon Department of Geology and Mineral Industries, Portland, Oregon.

Priest, G.R., Allan, J.C., and Wang, Y. 2003. Review of Geologic Report for Surfrider Resort Proposal, Lincoln County, Oregon, OPRD Permit #BA-555-03. Oregon Department of Geology and Mineral Industries Open-File Report O-03-08.

Allan, J.C. and Komar, P.D. 2002. The wave climate of the eastern North Pacific: Long-term trends and an El Niño/La Niña dependence. In Gelfenbaum, G. and Kaminsky, G.M., eds., Southwest Washington Coastal Erosion Workshop 2000, Washington State Department of Ecology and the U.S. Geological Survey Open-File Report O-02-229, June 2002. 308pp.

Allan, J.C., 2002: Columbia River littoral cell - Technical implications of channel deepening and dredge disposal. Oregon Department of Geology and Mineral Industries Open-File Report O-02-04, February 2002. 9pp.

Priest, G.R., Allan, J.C., Myers, E.P., and Baptista, A.M., 2001: Tsunami hazard map of the Coos Bay area, Coos County, Oregon. Oregon Department of Geology and Mineral Industries Interpretive Map Series IMS-21.

Allan, J.C., and Priest, G.R. 2001: Coastal erosion hazard zones along the Clatsop Plains, Oregon: Gearhart to Fort Stevens. Oregon Department of Geology and Mineral Industries Open-File Report O-01-04, June 2001. 61pp.

Allan, J.C., and Priest, G.R. 2001: Evaluation of coastal erosion hazard zones along dune and bluff backed shorelines in Tillamook County, Oregon: Cascade Head to Cape Falcon. Oregon Department of Geology and Mineral Industries Open-File Report O-01-03, June 2001. 126pp.

Unpublished Technical Reports

Komar, P.D., and Allan, J.C., 2000: Analyses of extreme waves and water levels on the Pacific Northwest coast, Unpublished Report to the Oregon Department of Land Conservation and Development, Salem, Oregon. 24pp

Allan, J.C., and Komar, P.D., 2000: Spatial and temporal variations in the wave climate of the North Pacific. Unpublished Report to the Oregon Department of Land Conservation and Development, Salem, Oregon, January 2000. 45pp.

Komar, P.D., Borgeld, J.C., and Allan, J.C., 2000: The migration of the Mad River mouth and its erosional impacts within the Humboldt Bay littoral cell, Northern California. Unpublished Report to the California Department of Transportation, District 1, Eureka, California, January 2000. 67pp..

Papers In Preparation or Review

Allan, J.C., The erosion of Port Orford, Oregon - “Hot spot” impacts due to El Niños. To be submitted to Shore & Beach.

Useful Links

Northwest Association of Networked Ocean Observing Systems (NANOOS)

Geologic hazards of the Oregon coast

Coastal resources and links

Coastal hazard publications

Field office home page


Oregon Department of Geology and Mineral Industries
800 NE Oregon Street, Suite 965, Portland, OR 97232-2162
(971) 673-1555, FAX (971) 673-1562
email us at DOGAMI

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