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TRYON, MICHAEL

Research Hydrogeologist

Degrees:

• B.S., University of California, San Diego
• Ph.D., UCSD, Scripps Institution of Oceanography

Research Interests:

• Physical processes associated with the structural evolution of convergent margins.
• Seafloor instrument development.
• Physical, hydrologic, and geochemical consequences of gas hydrate formation and destruction.
• Physical, hydrologic, and chemical processes associated with cold seeps and mud volcanoes.
• Physical, hydrologic, and chemical processes associated with active submarine fault zones

Honors and Awards:

• Regents’ Fellowship, Scripps Institution of Oceanography, 1995-1996
• Dean’s list, University of California, San Diego, 1991-1995

Mentoring:

• Barry, Peter (Graduate; 2009-)
• Kluesner, Jared (Graduate; 2009-)
• James, Dawn (Undergrad; 2003-2003)
• LaBonte, Alison (Graduate; 2002-2007)

Tryon, M.D., P. Henry, M.N. Çagatay, T. Zitter, L. Géli, L. Gasperini, P. Burnard, S. Bourlange, and C. Grall, Pore fluid chemistry of the North Anatolian Fault Zone in the Sea of Marmara: A diversity of sources and processes, Geology, Geophysics, and Geosystems (G-Cubed), doi:10.1029/2010GC003177, 2010.

Tryon, M.D., Wheat, C.G., Hilton, D.R., Fluid sources and pathways of the Costa Rica erosional convergent margin, Geology, Geophysics, and Geosystems (G-Cubed), doi:10.1029/2009GC002818, 2010.

Gasperini, L., A. Polonia, G. Bortoluzzi, P. Henry, X, Le Pichon, M. Tryon, M.N. Çagatay, and L. Géli, How far did the surface rupture of the 1999 Izmit earthquake reach in Sea of Marmara? Tectonics, 30 (TC1010), doi:10.1029/2010TC002726, 2011.

Füri, E., D.R. Hilton, M.D. Tryon, K.M. Brown, G.M. McMurtry, W. Brückmann, and C.G. Wheat, Carbon release from submarine seeps at the Costa Rica fore-arc: Implications for the volatile cycle at the Central America convergent margin, Geology, Geophysics, and Geosystems (G-Cubed), 10.1029/2009GC002810, 2010.

Tryon, M.D., Monitoring aseismic tectonic processes via hydrologic responses: An analysis of log-periodic fluid flow events at the Costa Rica outer rise, Geology, 37 (2), 163-166, 2009.

Füri, E., D.R. Hilton, K.M. Brown, and M.D. Tryon, Helium systematics of cold seep fluids at Monterey Bay, California (USA): temporal variations and mantle contributions, Geology, Geophysics, and Geosystems (G-Cubed), doi:10.1029/2009GC002557, 2009.

Barry, P.H., D.R. Hilton, M.D. Tryon, K.M. Brown, J.T. Kulongoski, A New Syringe Pump Apparatus for the Retrieval and Temporal Analysis of Helium (SPARTAH) in groundwaters and geothermal fluids, doi:10.1029/2009GC002422, 2009, G-cubed (Technical Briefs), 2009.

Rathburn, A. E., L. A. Levin, M. Tryon, J. M. Gieskes, J. B. Martin, M. E. Pérez F. J. Fodrief, C. Neira, G.J. Fryer, G. Mendoza, P. A. McMillan, J. Kluesner, J. Adamic, W. Ziebis, Geological and biological heterogeneity of the Aleutian margin (2000-4800 m), Progress in Oceanography, 80, 22-50, 2009.

Géli, L., P. Henry, T Zitter, S. Dupré, M. Tryon, M.N. Çagatay, B. Mercier de Lépinay, X. Le Pichon, AMC Sengor, N. Görür, B. Natalyn, G. Uçarkus, S. Özeren, D. Volker, L. Gasperini, P. Bernard, S. Bourlange, and the Marnaut Scientific Party, Gas emissions and active tectonics within the submerged section of the North Anatolian Fault zone in the Sea of Marmara, Earth and Planetary Science Letters, 274 (1-2), 34-39, 2008.

LaBonte, A.L., Brown, K.M., Tryon, M.D., Monitoring periodic and episodic flow events at Monterey Bay seeps using a new optical flow meter, Journal of Geophysical Research, 112, B02105, doi:10.1029/2006JB004410, 2007.

Brown, K.M., M.D. Tryon, H.R. DeShon, L.M. Dorman, and S. Schwartz, Correlated Transient Fluid Pulsing and Seismic Tremor in the Costa Rica Subduction Zone, Earth and Planetary Science Letters, 238, 189-203, 2005.

Tryon, M.D. and K.M. Brown, Fluid and chemical cycling at Bush Hill: Implications for gas- and hydrate-rich environments, Geology, Geophysics, and Geosystems (G-Cubed), 5 (12), 1-7, 2004.

Levin, L.A., W. Ziebis, G.F. Mendoza, V.A. Growney, M.D. Tryon, K.M. Brown, C. Mahn, J.M. Gieskes, and A.E. Rathburn, Spatial heterogeneity of macrofauna at northern California methane seeps: influence of sulfide concentration and fluid flow, Marine Ecology Progress Series, 265, 123-139, 2003.

Tryon, M.D., K.M. Brown, M.E. Torres, Fluid and chemical fluxes in and out of sediments hosting hydrate deposits on Hydrate Ridge, OR, II: Hydrological processes, Earth and Planetary Science Letters, 201 (3-4), 541-557, 2002.

Torres, M.E., J. McManus, D. Hammond, M.A de Angelis, K. Heeschen, S.L. Colbert, M.D. Tryon, K.M. Brown, and E. Suess, Fluid and chemical fluxes in and out of sediments hosting hydrate deposits on Hydrate Ridge, OR, I: Hydrological provinces, Earth and Planetary Science Letters, 201 (3-4), 525-540, 2002.

Spinelli, G.A., A.T. Fisher, C.G. Wheat, M.D. Tryon, K.M. Brown, and A.R. Flegal, Groundwater seepage into San Francisco Bay estimated from seepage meters and porewater geochemistry: Implications for disolved metals budgets, Water Resources Research, 38 (7), 19 pp., 2002.

Tryon, M.D., and K.M. Brown, Complex flow patterns through forearc gas hydrates and their impact on seep biota, Geophysical Research Letters, 28 (14), 2863-2866, 2001.

Tryon, M.D., K.M. Brown, L. Dorman, and A. Sauter, A new benthic aqueous flux meter for very low to moderate discharge rates, Deep-Sea Research, Part I, 48 (9), 2121-2146, 2001.

Tryon, M.D., K.M. Brown, M.E. Torres, A.M. Trehu, J. McManus, and R.W. Collier, Measurements of transience and downward fluid flow near episodic methane gas vents, Hydrate Ridge, Cascadia, Geology, 27 (12), 1075-1078, 1999.