FY 1999 - 2005 Seafloor Processes
*CIMRS authors.
FY 2005
Bohnenstiehl, D.R., R.P. Dziak*, M. Tolstoy, c.G. Fox, and M. Fowler. 2004. Temporal and spatial history of the 1999-2000 Endeavour Segment seismic series, Juan de Fuca Ridge. Geochem. Gephys. Geosys. 5(9), Q09003, doi: 10.1029/2004GC000735.
Chaytor, J.D., C. Goldfinger, R.P. Dziak*, and C.G. Fox. 2004. Active deformation of the gorda “Plate”: Constraining deformation models with new geophysical data. Geology 32(4): 353-356.
David, E., K. Becker, R. Dziak*, J. Cassidy, K. Wang, and M. Lilley. 2004. Hydrological response to a seafloor spreading episode on the Juan de Fuca Ridge. Nature 430 (6997): 335-338.
Dziak*, R.P., D.R. Bohnensteihl, H. matsumoto, C.G. Fox, D.K. Smith, M. Tolstoy, T-K Lau*, J.H. Haxel* and M.J. Fowler*. 2004. P- and T-wave detection thresholds, Pn velocity estimate, and detection of lwer mantle and core P-waves on ocean sound-channel hydrophones at the Mid-Atlantic Ridge. Bull. Seismol. Soc. Am. 94(2): 665-667.
Dziak*, R.P., D.K. Smith, D.R. Bohnenstiehl, C.G. Fox, D. Desbruyeres, H. Matsumoto*, M. Tolstoy, and D.J. Fornari. 2004. Evidence of a recent magma dike intrusion at the slow spreading Lucky Strike segment, Mid-Atlantic Ridge. J. Geophys. Res. 109(B12102) doi: 10.1029/2004JB003141.
Haxel*, J.H. and R.P. Dziak*. 2005. Evidence of explosive seafloor volcanic activity from the Walvis Ridge, South Atlantic Ocean. Geophys. Res. Lettr. 12: L13609, doi:10.1029/2005GL023205.
FY 2004
Chadwick*, W. W., Jr., R. W. Embley, and C. G. Fox. 2003. Quantitative constraints on the growth of submarine lava pillars from a monitoring instrument that was caught in a lava flow. J. Geophys. Res., 108(B11): 2534-2547.
Chaytor, J.D., C. Goldfinger, R.P. Dziak*, and C.G. Fox. 2004. Active deformation of the Gorda “Plate”. Constraining deformation models with new geophysical data. Geology 32(4): 353-356.
Dziak*, R.P. 2003. P- and T- wave detection thresholds, Pn velocity estimate, and detection of lower mantle and core P-waves on ocean sound-channel hydrophones at the Mid-Atlantic Ridge. BSSA 94(2): 665-677.
Embley, R.W., E.T. Baker, W.W. Chadwick*, Jr., J.E. Lupton, J.A. Resing, G.J. Massoth, and K. Nakamura. 2004. Exploration of Mariana Arc Volcanoes reveal new hydrothermal systems. Eos, Trans. Amer. Geophys. Un. 85: 37, 40 (January 27, 2004).
Lupton, J.E., D.G. Pyle, W.J. Jenkins, R. Greene*, and L. Evans*. 2004. Evidence for an extensive hydrothermal plume in the Tonga-Fiji region of the South Pacific. Geochem. Geophys. Geosys. 5(1): Q01003, doi: 1029/2003GC000607.
Matsumoto*, H., S. Nieukirk*, M. Fowler*, J. Haxel*, S. Heimlich*, D.K. Mellinger*, R. Dziak* and C.G. Fox. 2004. Sound in the sea: Hands-on experience with NOAA Vents Program. In: Proceedings of Oceans 2003 Marine Technology and Ocean Science Conference, 22-26 September 2003. San Diego, CA, 1565-1571.
Smith, D.K., R.P. Dziak*, H. Matsumoto*, C.G. Fox and M. Tolstoy. 2004. Autonomous hydrophone array monitors seismic activity at northern Mid-Atlantic Ridge. Eos, Trans. Amer. Geophys. Un. 85(1): 1, 5.
FY 2003
Bohnenstiehl, D.R., M. Tolstory, R.P. Dziak*, C.G. Fox, and D.K. Smith. 2001. Aftershock Sequences In The Mid-Ocean Ridge! Environment: An Analysis Using Hydroacoustic Data. Tectonophysics 354(1-2): 49-70.
Dziak*, R.P., W.W. Chadwick*, C.G. Fox, and R.W. Embley. 2003. Hydrothermal temperature Changes At The Southern Juan de Fuca Ridge Associated with a Mw 6.2 Blanco Transform earthquake. Geology 31(2): 119-122.
Nasby-Lucas*, N.M., R.W. Embley, M.A. Hixon, S.G. Merle*, B.N. Tissot, and D.J. Wright (2002). Integration of submersible transect data and high-resolution multibeam sonar imagery for a habitat-based groundfish assessment of Heceta Bank OR. Fish. Bull., 100, 739–751.
FY 2002
Chadwick*, W.W., Jr. and M. Stapp. 2002. A deep-sea observatory experiment using acoustic extensometers: Precise horizontal distance measurements across a mid-ocean ridge. IEEE J. Ocean. Eng. 27(2): 193-201.
De Ronde, C.E.J., E.T. Baker, G.J. Massoth, J.E. Lupton, I.C. Wright, R.A. Feely, and R.R. Greene*. 2001. Intra-Oceanic Subduction-Related Hydrothermal Venting, Kermadec forearc, New Zealand. Earth & Planet. Sci. Lettr. 193: 359-369.
Dziak*, R.P. and C.G. Fox. 2002. Evidence Of Harmonic Tremor From A Submarine Volcano Detected Across The Pacific Ocean basin. J. Geophys. Res. 107(B5): 1-12.
Dziak*, R.P., H.P. Johnson. 2002. Hydrothermic Systems: Stirring the Oceanic Incubator. Science’s Compass, 296: 1406-1407
Smith, D.K., M. Tolstoy, C.G. Fox, D.R. Bohnenstiehl, H. Matsumoto*, and M.J. Fowler*. 2002. Hydroacoustic monitoring of Seismicity at the Slow-Spreading Mid-Atlantic Ridge. Geophys. Res. Lettr. 29(12): 10-29.
FY 2001
Chadwick*, W.W., R.W. Embley, D.S. Scheirer, H.P. Johnson. 2000. High-Resolution Bathymetric Surveys Scanning Sonars: Relationships Between Hydrothermal Vents! And Geologic Structure At Recent Eruption Sites On The Juan de Fuca Ridge. J. Geophys. Res. 106(B8): 16,075-16,099.
Dziak*.R.P. 2001. Empirical Relationship Of T-Wave Energy And Fault Parameters Of Northeast Pacific Ocean Earthquakes. Geophys. Res. Lettr. 28(13): 2537-2540.
Dziak*, R.P., C.G. Fox. A.M. Bobbit*, C. Goldfinger. 2001. Bathymetric Map Of The Gorda Plate: Structural And Geomorphological Process Inferred From Multibeam Surveys. Marine Geophys. Res. 22: 235-250
Dziak*, R.P., C.G. Fox, R.W. Embley, J.L. Nabelek, J. Braunmiller, and R.A. Koski. 1998. Recent Tectonics Of The Blanco Ridge-Eastern Blanco Transform Fault Zone. Mar. Geophys. Res. 21(5): 423-450.
Fox, C.G., W.W. Chadwick*, Jr., and R.W. Embley. 2001. Direct Observation Of A Submarine Volcanic Eruption From A Sea-Floor Instrument Caught In A Lava Flow. Nature 412: 727-729.
Fox, C.G., H. Matsumoto*, and T.-K. Andy Lau*. 2001. Monitoring Pacific Ocean Seismicity From An Autonomous Hydrophone Array. J. Geophys. Res. 106(B3): 4183-4206.
Johnson, H.P., R.P. Dziak*, C. Fisher, C.G. Fox, and M.J. Prius. 2001. Earthquakes Influence Distant Hydrothermal Vents; The Far-Field Effect And Long-Delayed Responses. Eos, Trans. AGU, vol. 82, no. 21: 233-236.
Well*, Roland, J. Lupton, and W. Roether. 1999. Crustal Helium In Deep Pacific Waters. J. Geophys. Res. 106(C7): 14,165-14,177.
FY 2000
Chadwick*, W.W., Jr., R.W. Embley, H.B. Milburn, C. Meinig, and M. Stapp. 1999. Evidence for deformation associated with the 1998 eruption of Axial Volcano, Juan de Fuca Ridge, From Acoustic Extensometer Measurements. Geophys. Res. Lettr. 26(23): 3441-3444. doi:10.1029/1999GL900498
Dziak*, R.P. and C.G. Fox. 1999. The January 1998 earthquake swarm at Axial Volcano, Juan de Fuca Ridge: Hydroacoustic evidence for seafloor volcanic activity. Geophys. Res. Lettr. 26(23): 3429-3432.
Dziak*, R.P. and C.G. Fox. 1999. Long-range seismicity and ground deformation at Axial Volcano, Juan de Fuca Ridge. Geophys. Res. Lettr. 26(24): 3641-3644.
Embley, R.W., W.W. Chadwick*, Jr., D. Clague and D. Stakes. 1999. 1998 Eruption at Axial Volcano: Multibeam anomalies and seafloor observations. Geophys. Res. Lettr. 26(23): 3425-3428.
Embley, R.W., W.W. Chadwick*, Jr., M.R. Perfit, M.C. Smith, and J.R. Delaney. 1999. Recent eruptions on the CoAxial segment of the Juan de Fuca Ridge: Implications for mid-ocean ridge accretion processes. J. Geophys. Res. 105(B7): 16,501-16,525.
Johnson, H. P., M. Hutnak, R.P. Dziak*, C.G. Fox, I. Urcuyo, C. Fisher, J.P. Cowen, and J. Nabelek. 1999. Earthquake-induced changes in a hydrothermal system at the Endeavor Segment, Juan de Fuca Ridge. Nature 407: 174-176.
Lupton J.E., E.T. Baker, R.W. Embley, R. Greene*, and L. Evans*. 1999. Anomalous helium and heat signatures associated with the 1998 Axial Volcano Event, Juan de Fuca Ridge. Geophys. Res. Lettr. 26(23): 3449-3452.
FY 1999
Chadwick*, W.W., Jr., R.W. Embley and T. M. Shank. 1998. The 1996 Gorda Ridge Eruption: Geologic Mapping, Sidescan Sonar, and SeaBeam Comparison Results. Deep-Sea Res.II 45(12): 2547-2570.
Chadwick*, W.W., Jr. T.K.P. Gregg, and R.W. Embley. 1998. Submarine Lineated Sheet Slows: A Secondary Lava Morphology on Subsiding Lava Lakes. Bull. of Volcanology 61: 194-206.
Embley, R.W., Baker, E. 1999. Interdisciplinary Group Explores Seafloor Eruption With Remotely Operated Vehicle. American Geophys. Union, 80(19): 213, 219, 222
Fox, C.G. and A. Bobbitt*. 1999. NOAA Vents Program GIS Integration, Analysis and Distribution of Multidisciplinary Oceanographic Data, In: Marine and Coastal Geographical Information Systems, D.W. Wright and D. Bartlett (Eds.).
Fox, C.G. and R.P. Dziak*. 1998. Hydroacoustic Detection of Volcanic Activity on the Gorda Ridge, February-March, 1996. Deep-Sea Res.II 45(12): 2513-2530.
Fox, C.G. and R.P. Dziak*. 1999. Internal Deformation Of The Gorda Plate Observed By Hydroacoustic Monitoring. J. Geophys. Res. 104(B8): 17,603-17615.
Geophysical Research Letters. 1999. Selected Papers On The 1998 Eruption At Axial Volcano. American Geophys. Union, 26(23-24)
Perfit, M.R. and W.W. Chadwick*, Jr. 1998. Magmatism At Mid-Ocean Ridges: Constraints From Volcanological And Geochemical Investigations. Geophys. Monogr. Series 106, Faulting and Magmatism at Mid-Ocean Ridges, W. Roger Buck et al. (Eds.), pp. 59-115.
Slack,P.D., C.G. Fox, R.P. Dziak*. 1999. P-wave Detection Thresholds, Pn Velocity Estimates, And T-wave Location Uncertainty From Oceanic Hydrophones. J. Geophys. Res. 104(B6): 13,061-13,072.