LeRoy M. Dorman, Professor

NOTE NOTE NOTE This page is being updated and the new version is HERE . Some of the links on the new page are, however, broken.

B.S. Physics, Georgia Institute of Technology, 1960.

M.S. Geophysics, University of Wisconsin, Madison, 1968.

Ph.D. Geophysics, University of Wisconsin, Madison, 1969.

Courses Taught

Introduction to Marine Geophysics, SIO 226

Array Processing, SIO 207D

Research Interests

Seismology, especially seismic structure of the sea floor; Scholte Waves; Seafloor instrument development, especially of Ocean-Bottom Seismometers (OBSs); Operation of OBS facility.

Research Unit Affiliations

Marine Physical Laboratory

Geological Research Division

Recent Publications

1999 A new benthic aqueous flux meter for very low to moderate discharge rates, Michael Tryon, Kevin Brown, LeRoy Dorman, Allan Sauter, Deep Sea Research, accepted, 1999.

1999 Observations of land vehicle activity and other land-based sounds with offshore underwater acoustic arrays, G. L. D'Spain, L. P. Berger, W. A. Kuperman, W. S. Hodgkiss, L. M. Dorman, W. A Gaines, J. Acoust. Soc. Am. In review, 1999.

1999 Book Review "Geology of the United States' seafloor: the view from GLORIA", edited by James V. Gardner, Michael E. Field, David C. Twichell, Pure Appl. Geophys., 154, 185-186, 1999. Text in pdf. Requires subscription to PAGEOPH or access from a site with an institutional license; This link returns the text of the entire book review section of the journal)

1998 Book Review "The Sea Floor: An Introduction to Marine Geology", 3rd edition, by E. Seibold and W. H. Berger, Pure Appl. Geophys., 152, 393-394, 1998, Text in pdf (Requires subscription to PAGEOPH or access from a site with an institutional license; This link returns the text of the entire book review section of the journal)

1998 Climate-Ocean Variability and Ecosystem Response in the Northeast Pacific, Science, 281, 210-217. abstract , full text in pdf (requires subscription fo Science Online)

Vol 280, No
5367 Cover 1998 Imaging the Deep Seismic Structure Beneath a Mid-Ocean Ridge: the MELT Experiment, Science, 280, 1215-1218, 1998. abstract, full text in pdf

1998 Phase Velocities of Rayleigh Waves in the MELT Experiment on the East Pacific Rise, Science, 280, 1235-1238, 1998. abstract, full text in pdf

1998 Recording Teleseisms on the Sea-floor; an Example from the Juan de Fuca Plate , Bull. Seismol. Soc. Am., 88,107-116, 1998. abstract

	Sept 1994 - Jan 1995: LABATTS- Lau Basin - LeRoy Dorman, J. Hildebrand, SIO; D Wiens, Washington U.
	Depth extent of the Lau back-arc spreading center and its relation to subduction processes, Dapeng Zhao, Yingbao Xu, Douglas Wiens, LeRoy M. Dorman, John Hildebrand, Spahr Webb, Science, 278, 254-257, 1997 abstract , full text in pdf (requires subscription to Science Online)
	Modeling the Tonga Slab: Can Travel Time Data Resolve a Metastable Olivine Wedge? Keith D. Koper, Douglas A Wiens, LeRoy M. Dorman, John A. Hildebrand, Spahr C. Webb, J. Geophys. Res., 103,30,079-30,100, 1998
	Seismic Attenuation Tomography of the Tonga Fiji Region Using Phase Pair Methods , Erich G. Roth, Douglas A. Wiens, LeRoy M. Dorman, Spahr C. Webb, John A. Hildebrand, J. Geophys. Res., 104, 4795-4809, 1999
	Constraints on the origin of slab and mantle wedge anomali es in Tonga from the ratio of S to P velocities. Keith D. Koper, Douglas A Wiens, LeRoy M. Dorman, John A. Hildebrand, Spahr C. Webb, J. Geophys. Res., 104,15089-15104, 1999

1997 Very low frequency (0.2-10.0) Hz) seismoacoustic noise below the seafloor , J. Geophys. Res, 102, 11703-11718, 1997

1997 Propagation in Marine Sediments ,409-416, Chapter 37, Encyclopedia of Acoustics, M. J. Crocker, ed., John Wiley, 1997

1997 Topography can Affect Linearization in Tomographic Inversions, Geophysics, 62, 1797-1803, 1997 abstract, Full text in pdf

1997 A New Fluid and Geochemical Flux Meter for Surface Measurements in Convergent Margin and Ridge Flank Environments , Geophys. Res. Lett., Submitted June, 1996

1997 Investigation of Microearthquake Activity Following an Intraplate Teleseismic Swarm on the West Flank of the Southern East Pacific Rise , J. Geophys. Res, 102, 459-475 , 1997

1996 Hess Deep Rift Valley Structure from Seismic Tomography , J. Geophys. Res, 101, 22335-22353, 1996

1996 Waveform Analysis of Scholte Modes in Ocean Sediment Layers , Geophys. J. Intl., 125, 385-396

1995 Full Waveform Inversion of Seismic Interface Wave Data ,pp 377-382 , in Full Field Inversion Methods in Ocean and Seismo-Acoustics, O. Diachok, A. Caiti, P. Gerstoft, and H. Schmidt eds., Kluwer Academic Publishers, Dordrecht, the Netherlands.

1994 Jasper Seamount Structure: Seafloor seismic refraction tomography, J. Geophys. Res., 99, 6731-6752.

1992 A proposed super-thick sedimentary basin, Bay of Bengal, Geophysical Research Letters, 19(6), 565-568.

1991 Ocean-Bottom Seismograph Facilities Available, EOS, Transactions, American Geophysical Union, 72, 506-515.

1990 Coherence lengths of seafloor noise: effect of ocean bottom structure. Journal of the Acoustical Society of America, 88: 1503-1514.

Number of Students: 2

Sea time planned

1995 R/V MELVILLE, MELT OBS deployment on southern East Pacific Rise

1996 R/V THOMAS G. THOMPSON, MELT OBS recovery on southern East Pacific Rise

1996 R/V Point Sur, R/V Sproul OBS deployment/recovery during STRATAFORM Experiment

1996 R/V Sproul OBS deployment/recovery during ABM Experiment

1997 R/V MELVILLE, OBS deployment, Rose Canyon Fault

1998 R/V SPROUL, OBS recovery, Rose Canyon Fault

1998 November-December, R/V L. M. GOULD, OBS deployment, South Shetland Islands, Antarctica

1999 April-May, R/V N. B. PALMER, OBS recovery, South Shetland Islands, Antarctica
1999 September, F/S SONNE, OBS deployment off Osa Peninsula, Costa Rica under PAGANINI program
1999 December, F/S SONNE, OBS recovery and redeployment off Nicoya Peninsula under PAGANINI
Hector Mine Quake
2000 February, R/V SPROUL, Implosive source tests ( progress report )
2000 June, R/V MELVILLE, OBS recovery off Nicoya Peninsula, Costa Rica and multibeam surveys off Mexico.