Oregon State University

FY 1987 - 1998 Seafloor Processes

*CIMRS authors.


FY 1998

Chadwick*, W.W., Jr. and R.W. Embley.  1998. Graben Formation Associated with Recent Dike Intrusions and Volcanic Eruptions on the Mid-ocean Ridge!.  J. Geophys. Res., 103(B5): 9807-9825.

Lupton, J.E., E.T. Baker, N. Garfield, G. Massoth, R. Feely, R. Greene*, and T. Rago.  1997.  Tracking the Evolution of a Hydrothermal Event Plume Using a RAFOS Neutrally Buoyant DrifterScience, 280: 1052-1055.


FY 1997

Bobbitt*, A.M., R.P. Dziak*, K.M. Stafford* and C.G. Fox. 1997.  GIS Analysis of Oceanographic Remotely-sensed and Field Observation Data.  Marine Geodesy 20(3-4): 153-161.

Dziak*, R.P., C.G. Fox, H. Matsumoto*, and A.E. Schreiner*.  1996.  The April 1992 Cape Mendocino Earthquake Sequence: Seismo-acoustic Analysis Utilizing Fixed Hydrophone! Arrays.  Mar. Geophys. Res. 19: 137-162.

Gregg, Tracy K.P. and W.W. Chadwick, Jr*.  1996.  Submarine Lava-flow Inflation: A Model for the Formation of Lava Pillars.  Geology 24(11): 981-984.

Wright, D.J., C.G. Fox, and A.M. Bobbitt*.  1995.  A Scientific Information Model for Deep-sea Mapping and Sampling.  Mar. Geodesy. 20(4): 367-379.


FY 1996

Dziak*, R.P., C.G. Fox, R.W. Embley, J.E. Lupton, G. Johnson, W.W. Chadwick* and R.A. Koski. 1995.  Detection of and Response to a Probable Volcanogenic T-wave Event Swarm on the Western Blanco Transform FaultGeophys. Res. Lttrs. 23(8): 873-876.


FY 1995

Chadwick, W.W., Jr.*, R.W. Embley and C.G. Fox. 1995.  SeaBeam Depth Changes Associated with Recent Lava Flows, CoAxial Segment, Juan de Fuca Ridge: Evidence for Multiple Eruptions Between 1981‑1993. Geophys. Res. Lttr., 22: 167‑170.

Dziak*, R.P., C.G. Fox, and A.E. Schreiner*.  1995.  The June 1993 Volcanic Event at CoAxial Segment, Juan de Fuca Ridge: Seismo‑acoustic Evidence for the Lateral Injection of a Magma Dike.  Geophys. Res. Lttr., 22: 135‑138.

Embley, R.W., W.W. Chadwick*, Jr., I.R. Jonasson, D. Butterfield, and E.T. Baker.  1995. Initial Results of a Rapid Response to the 1993 CoAxial event: Relationships Between Hydrothermal and Volcanic Processes. Geophys. Res. Lttr., 22: 143‑146.

Fox, C.G., W.E. Radford, R.P. Dziak*, T‑K. Lau*, H. Matsumoto*, and A.E. Schreiner*.  1995. Acoustic Detection of a Seafloor Spreading Episode on the Juan de Fuca Ridge Using Military Hydrophone Arrays. Geophys. Res. Lttr., 22: 131‑134.

Geophysical Research Letters. 1995. Selected Papers on the 1993 Volcanic Eruption on the CoAxial Segment, Juan de Fuca ridge. American Geophys. Union, Vol. 22, No.2

Schreiner*, A.E., C.G. Fox, and R.P. Dziak*.  1995.  Spectra and Magnitudes of T‑waves from the 1993 Earthquake Swarm on the Juan de Fuca RidgeGeophys. Res. Lttr., 22: 139‑142.

Urabe, T., E.T. Baker, J. Ishibashi, R.A. Feely, K. Marumo, G.J. Massoth, A. Maruyama, K. Shitashima, K. Okamura, J.E. Lupton, A. Sonada, T. Yamazaki, M. Aoki, J. Gendron, R. Greene*, Y. Kaiho, H. Kisimoto, G. Lebon, T. Matsumoto, K. Nakamura, A. Nishizawa, O. Okang, G. Paradis*, K. Roe, T. Shibata, D. Tennant, T. Vance, S.L. Walker, T. Yabuki, and N. Ytow.  1995.  The Effect of Magmatic Activity on Hydrothermal Venting Along the Superfast‑spreading East Pacific Rise. Science, 269: 1092‑1095.


FY 1994

Chadwick, W.W. Jr.*, and R.W. Embley.  1994. Lava Flows From a Mid‑1980s Submarine Eruption on the Cleft Segment, Juan de Fuca Ridge. J. Geophys. Res., 99(B3): 4761‑4776.

Fox, C.G., R.P. Dziak*, H. Matsumoto*, and A.E. Schreiner*.  1993.  Potential for Monitoring Low‑Level Seismicity on the Juan de Fuca Ridge Using Military Hydrophone ArraysMar. Tech. Soc., 27(4): 22‑30.

Embley, R.W. and W.W. Chadwick Jr.* 1994. Volcanic and Hydrothermal Process Associated with a Recent Phase of Seafloor Spreading at the Northern Cleft Segment: Juan de Fuca ridge. American Geophys. Union, Vol.99 No.B3 4741-4760

Matsumoto*, H., R.P. Dziak*, and C.G. Fox.  1993.  Estimation of Power‑law Based Seafloor Roughness‑spectrum Parameters by Modeling Acoustic Backscatter Data.  J. Acoust. Soc. of Am., 94(5): 1‑13.


FY 1993

Dziak*, R.P., H. Matsumoto*, and C.G. Fox.  1993.  Estimation of Seafloor Roughness Spectral Parameters from Multibeam Sonar Acoustic Backscatter Data: Axial Seamount, Juan de Fuca Ridge. Geophys. Res. Lttr., 20(17): 1863‑1866.

Franklin, J.M., R.W., Embley. 1993. ROV Samples Vents on Juan de Fuca ridge. American Geophys. Union,15:177&181-182.

Matsumoto,H.*, R.P. Dziak*, C.H.Fox.1993. Estimation of  Seafloor Microtopraphic Roughness Through Modeling of Acoustic Backscatter Data Recorded by Multibeam Sonar Systems. J. Acoust. Soc.Am., 94(5).

FY 1992

Applegate, B.* and R.W. Embley.  1992.  Submarine Tumuli and Inflated Tube‑fed Lava Flows on Axial Volcano, Juan de Fuca Ridge.  Bull. of Volcan., 54(6): 447‑458.

Applegate, B.*, C. Goldfinger, M.E. MacKay, L.D. Kulm, C.G. Fox, R.W. Embley and P.J. Meis.  1992.  A Left‑lateral Strike‑slip Fault Seaward of the Oregon Convergent Margin. Tectonics, 11(3): 465‑477.

Dziak, R.P.*, C.G Fox, and R.W. Embley.  1991.  Relationship Between the Seismicity and Geologic Structure of the Blanco Transform Fault Zone. Mar. Geophys. Res., 13: 203‑208.

Fox, C.G., W.W. Chadwick*, and R.W. Embley.  1991.  Detection of Changes in Ridge Crest Morphology Using Repeated Multibeam Sonar Surveys.  J. Geophys. Res., 97(B7): 11,149‑11,162.


FY 1991

Chadwick, W.W., Jr.*, R.W. Embley, C.G. Fox.  1991.  Evidence for Volcanic Eruption on the Southern Juan de Fuca Ridge Between 1981 and 1987.  Nature, 350: 416‑418.

Dziak, R.P.*, C.G. Fox, R.W. Embley 1990. Relationship Between the Seismicity and Geologic Structure of the Blanco Transform Fault Zone. Geophys. Res. Lttr., 13:203-209

Embley, R.W., W.W. Chadwick, Jr.*, M.R. Perfit, and E.T. Baker.  1991.  Geology of the Northern Cleft Segment, Juan de Fuca Ridge: Recent Eruptions, Seafloor Spreading, and the Formation of Megaplumes.  Geology, 19: 771‑775.

T.K. Lau* and C.G. Fox. 1991. A Technique for combining SeaMARC I Sidescan and Gridded Bathymetric Data to Display Undistorted Seafloor Images. IEE, 1140-1145.


FY 1990

Applegate, T. Bruce, Jr*.  Volcanic and Structural Morphology of the South Flank of Axial Volcano, Juan de Fuca Ridge: Results from a Sea MARC I sidescan sonar survey.  J. of Geophys. Res., 95(B8): 12,765-12,783.

Embley, R.W., K.M. Murphy* and C.G. Fox.  High Resolution Studies of the Summit of Axial Volcano.   J. Geophys. Res., 95(B8): 12,785-12,812.

Fox, C.G., F.J. Jones, and T.K. Lau*. 1989.  Constrained Interactive Deconvolution Applied to SEAMARC I Sidescan Sonar Imagery. IEEE Journal of Oceanic Engineering Special Issue on Bathymetry and Seafloor Acoustic Remote Sensing, 15(1): 24-31.


FY 1989

Embley, R.W., S.R. Hammond and K. Murphy*.  1988.  The Caldera of Axial Volcano‑‑Remote Sensing and Submersible Studies of a Hydro thermally Active Submarine Volcano, In: Global Venting, Midwater, and Benthic Ecological Processes, M. de Luca and I. Babb (eds.),  National Undersea Research Program Research Rept. 88‑4, pp. 61‑70.

Fox, C.G. and M. van Heeswijk*.  1988.  Seabeam Backscatter Analysis Applied to the Classification of Deep‑Sea Volcanic Terrains, In: Global Venting, Midwater, and Benthic Ecological Processes, M. de Luca and I. Babb (eds.), National Undersea Research Program Research Rept. 88‑4, pp. 71‑80.


FY 1988

van Heeswijk, M*. and C.G. Fox (1988):  Iterative Method and FORTRAN Code for Non‑Linear Curve Fitting.  Computers and Geoscience, 14(4), 489‑503.


FY 1987

Fox, C.G., K.M. Murphy*, and R.W. Embley (1987). Automated Display and Statistical Analysis of Interpreted Deep‑Sea Bottom Photographs. Marine Geology, 78, 199‑216.

van Heeswijk, M*.  1987.  Shallow Crustal Structure of the Caldera of Axial Seamount, Juan de Fuca Ridge.  M.S. Thesis, Oregon State University, Corvallis, OR.

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