1983-1984 3 weeks R.V. Ellen B. Scripps testing E.M. equipment.
Sept 1983 4 weeks R.V. New Horizon controlled source EM sounding.
Sept 1984 3 weeks R.V. New Horizon controlled source EM sounding.
May 1986 3 weeks R.V. Sproul, ``Chovy"; acoustic studies using E.M., DPG, and seismic instruments.
July 1986 1.5 week R.V. Sproul ``Chovy" recovery.
March 1988 1 week R.V. Sproul testing E.M. and pressure instruments (chief scientist).
May 1988 3 weeks R.V. Sproul ``Nachos"; acoustic studies using E.M., DPG, and seismic instruments.
Nov 1988 3.5 week R.V. New Horizon ``Pegasus" Controlled source E.M. sounding (co-chief scientist).
June 1989 3 weeks R.R.S. Charles Darwin Controlled source E.M. sounding over the East Pacific Rise (co-chief scientist).
June/Aug 1991 2 days R.V. Sproul tiltmeter testing (chief scientist).
October 1991 8 days R.V. Thomas Washington Loihi tiltmeter and hydrophone deployment, dredging, seabeam (chief scientist).
December 1991 4 days R.V. Wecoma Loihi tiltmeter and hydrophone recovery, (chief scientist).
November 1992 3 days R.V. Sproul tiltmeter and OBS deployment (chief scientist).
February 1993 2 days R.V. Sproul tiltmeter and OBS recovery (chief scientist).
October 1993 31 days R.R.S. Charles Darwin Geophysical studies of Reykjanes Ridge (co-chief)
February 1994 2 days R.V. Sproul tiltmeter and OBS testing (co-chief scientist).
March 1994 2 days R.V. Sproul tiltmeter and magnetometer testing (chief scientist).
July 1994 5 days R.V. Wecoma JdF tiltmeter and OBS deployment (chief scientist).
Sept 1994 4 days R.V. Wecoma JdF tiltmeter and OBS recovery (co-chief scientist).
April 1994 2 days R.V. Sproul LCheapo testing (chief scientist).
Oct 1995 16 days Maestrale Secondo Magnetotelluric survey for AGIP-INTE (chief scientist).
Nov 1995 32 days R.V. Ewing Lau Basin EM/seismic survey (co-chief scientist).
Aug 1996 12 days R.V. Pelican Gulf of Mexico magnetotelluric survey (chief scientist).
Oct/Nov 1996 30 days Maestrale Secondo Magnetotelluric survey for AGIP-INTE (chief scientist).
April 1997 8 days R.V.\ Moana Wave SWELL MT deployments.
June 1997 14 days R.V. Pelican Gulf of Mexico magnetotelluric survey (chief scientist)
April 1998 14 days R.V. Franklin SWAGGIE marine magnetotelluric and self potential
July 1998 11 days R.V. Pelican Gulf of Mexico magnetotelluric survey (chief scientist)
Oct 1999 1 day small vessel Instrument recovery off Kaui, Hawaii.
June 2000 3 days Kaiyo Offshore Japan MT deployments
November 2000 42 days R.R.V. Charles Darwin Oilfield characterization offshore West Africa
January 2001 2 days R.V. Sproul Instrument tests offshore San Diego (chief scientist)
February 2001 29 days R.V. Thompson APPLE (chief scientist)
March 2001 6 days R.V. Longhorn Gemini MT in Gulf of Mexico (chief scientist)
June 2001 11 days S.V. Explorer sub-basalt MT offshore Faroes (chief scientist)
June 2001 1 day Acoustic Explorer instrument recoveries offshore San Diego (chief scientist)
August 2001 10 days R.V. New Horizon APPLE recovery (chief scientist)
October 2001 3 days R.V. Sproul instrument tests offshore San Diego (chief scientist)
Jan/Feb 2002 21 days R.R.V. Charles Darwin oilfield characterization offshore West Africa
March 2002 2 days R.V. Sproul shallow water MT offshore San Diego (chief scientist)
July 2002 1 day R.V. New Horizon instrument tests offshore San Diego (chief scientist)
Feb 2003 12 days R.V. Gyre MT and CSEM in Gulf of Mexico (chief scientist)
April 2003 4 days R.V. New Horizon instrument tests offshore San Diego (chief scientist)
Feb 2004 30 days R.V. Revelle marine EM over the EPR (co-chief scientist)
August 2004 7 days R.V. New Horizon marine EM on Hydrate Ridge (chief scientist)
September 2004 3 days R.V. New Horizon EM transmitter tests (chief scientist)
April 2005 2 days R.V. Sproul Offshore San Diego deployment for SAIC (chief scientist)
October 2005 13 days R.V. Pelican GoM sub-salt MT survey (chief scientist)
May 2006 5 days R.V. New Horizon San Diego Trough marine CSEM and MT (chief scientist)
July 2006 5 days R.V. Roger Revelle Loihi seamount electical tomography (chief scientist)
May 2007 2 days R.V. New Horizon CSEM/MT instrument tests (chief scientist)
September 2007 15 days Akademic Boris Petrov Marine MT in the Gulf of Kutch (chief scientist)
April 2008 2 days R.V. Sproul Instrument tests (chief scientist)
October 2008 18 days R.V. Roger Revelle Gulf of Mexico gas hydrate studes (chief scientist)
November 2008 10 days R.V. New Horizon Plate boundary marine EM (data for Brent Wheelock's thesis) (chief scientist)
May/June 2009 32 days R.V. Roger Revelle EM studies of the Scarborough gas field (co-chief scientist)
August 2009 5 days R.V. New Horizon instrument tests off Newport, Oregon (chief scientist)
April/May 2010 30 days R.V. Melville SERPENT; MT and CSEM off Nicaragua (co-chief scientist)
May 2011 3 days R.V. Wecoma instrument tests off Oregon (chief scientist)
June 2011 1 day R.V. Sproul instrument tests (chief scientist)
Dec 2011 7 days R.V. New Horizon hydrate survey in San Nicolas Basin (chief scientist)
July 2012 2 days R.V. Sproul marine MT training (chief scientist)
Dec 2012 2 days R.V. New Horizon instrument tests (chief scientist)
March 2013 2 days R.V. New Horizon instrument tests (chief scientist)
May 2013 3 days R.V. New Horizon hydrate survey in San Nicolas Basin (chief scientist)
712 days total