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Scholarly Interest Report
         
Gerald R. Dickens
Professor
Professor of Earth Science
 
e-mail:jerry@rice.edu
 
  • PhD University of Michigan Oceanography (1996)
  • M.S. University of Michigan Oceanography (1993)
  • B.S. University of California, Davis Chemistry (1989)
 
Primary Department
   Department of Earth, Environmental & Planetary Sciences
Picture
 
Websites
 Research Projects
 
Research Areas
 Paleoceanography, marine geology and low-temperature geochemistry
 
Research Statement
 (1) Oceanic gas hydrates: Clathrate hydrates of gas (gas hydrates) are crystalline substances composed of water and certain gases (usually methane) that occur naturally in pore space of marine sediment. These hydrates are of interest because they represent a potential future energy resource and modulator of climate change. My research has included studies on the distribution and composition of gas hydrate in sediment columns, experimental work on the thermodynamic conditions of gas hydrate formation and dissociation, and numerical models pertaining to the release of methane into the ocean and atmosphere.

(2) Geochemical cycling during major oceanographic change: This pursuit involves the construction of chemical profiles in marine sediment across critical time intervals in the evolution of our ocean. Previous work has included trace element profiles across the Cenomanian/Turonian and Miocene/Pliocene boundaries. Currently I am working toward
understanding events in the early Paleogene (Paleocene-middle Eocene) and early Aptian, times characterized by major wamrth and massive input of carbon.

(3) Sediment-hosted metalliferous ore deposits: marine sedimentary rocks are the host to large ore deposits of certain metals, including iron, manganese, vanadium and barium (e.g., ores of Fe, V, Ba). In most cases, these deposits result from the combination of unusual paleoceanographic conditions and subsequent weathering or alteration processes. My current research in this area focuses on the origin of BIF hosted iron ores and black-shale hosted vanadium ores in Australia.

(4) Mixed siliciclastic/carbonate margins: Many continental margins, both modern and ancient, receive significant amounts of terrigenous clastic and shallow marine carbonate sediment. These mixed siliciclastic/carbonate depositional systems have not been well-studied in the past. The North Queensland margin of Australia is the largest extant mixed clastic/carbonate system. Currently I am quantifying sediment deposition on this margin with the aim of establishing a flux-based model of accumulation.
 
Teaching Areas
 Oceanography, paleoceanography, biogeochemical cycles
 
Selected Publications
 Abstracts
 

Hancock, H.J.L., G.R. Dickens, E. Thomas & K.L. Blake "Reappraisal of early Paleogene CCD curves: foraminiferal assemblages and stable carbon isotopes across the carbonate facies of Perth Abyssal Plain." International Journal of Earth Sciences (2007) : DOI 10.1007/s00531-006-0144-0.

 
 Refereed articles
 

Boudreau, B.P., Y. Luo, F.J.R. Meysman, J.J. Middelburg, & G.R. Dickens "Gas hydrate dissociation prolongs acidification of the Anthropocene oceans." Geophysical Research Letters, 42 (2015) : 9337-9344.

 
 

Reghellin, D., H.K. Coxall, G.R. Dickens & J. Backman "Carbon and oxygen isotopes of bulk carbonate in sediment deposited beneath the eastern equatorial Pacific over the last 8 million years." Paleoceanography, 30 (2015) : 1261-1286.

 
 

Slotnick, B.S., G.R. Dickens, C.J. Hollis, J.S. Crampton, C.P. Strong & A. Phillips "The onset of the Early Eocene Climatic Optimum at Branch Stream, Clarence River valley, New Zealand." New Zealand Journal of Geology and Geophysics, 58 (2015) : 262-280.

 
 

Slotnick, B.S., V. Lauretano, J. Backman, G.R. Dickens, A. Sluijs & L. Lourens "Early Paleogene variations in the calcite compensation depth: new constraints using old borehole sediments from across Ninetyeast Ridge, central Indian Ocean." Cliamte of the Past, 11 (2015) : 473-493.

 
 

Chatterjee, S., Bhatnagar, G., Dugan, B., Dickens, G.R., Chapman, W.G., and Hirasaki, G.J., 2014, The Impact of Lithologic Heterogeneity and Focused Fluid Flow upon Gas Hydrate Distribution in Marine Sediments, J. Geophysical Research: Solid Earth, doi: 10.1002/014JB011236.

 
 

Zeebe, R.E., Dickens, G.R., Ridgwel, A., Sluijs, A, and Thomas, E., 2014, Onset of carbon isotope excursion at the Paleocene-Eocene therman maximum took millennia, not 13 years, Proc.National Academy of Sciences, 02.2014, doi: 10.1073/pnas.1321177111.

 
 

Dickens, G.R. & J. Backman, 2013. Core alignment and composite depth scale for the lower Paleogene through uppermost Cretaceous interval at Deep Sea Drilling Project Site 577. Newsletters on Stratigraphy, 46, 47-68.

 
 

Komar, N., R.E.. Zeebe & G.R. Dickens, 2013. Understanding long-term carbon cycle trends: The late Paleocene through the early Eocene. Paleoceanography, 28, 650-662. DOI: 10.1002/palo.20060

 
 

Lee, C.T., B. Shen, *B.S. Slotnick, K. Liao, G.R. Dickens, Y. Yokoyama, A. Lenardic, R. Dasgupta, M. Jellinek, J.S. Lackey, T. Schneider & M.M. Tice, 2013. Continental arc-island arc fluctuations, growth of crustal carbonates, and long-term climate change. Geosphere, 9, 21-36, doi:10.1130/GES00822.1

 
 

Leon-Rodriguez & G.R. Dickens, 2013, Data Report: stable isotope composition of Eocene bulk carbonate at Sites U1331, U1332 and U1333. Proceedings of the IODP, 320/321doi:10.2204/iodp.proc.320321.208.2013

 
 

Reghellin, D., G.R. Dickens & J. Backman, 2013. The relationship between wet bulk density and carbonate content in sediments from the Eastern Equatorial Pacific. Marine Geology, 344, 41-52.

 
 

Wilkins, R.H., G.R. Dickens, J. Tian, J. Backman, & the Expedition 320/321 Scientists, 2013. Data Report: Revised composite depth scales for Sites U1336, U1337, and U1338. Proceedings of the IODP, 320/321: 1-158.doi:10.2204/iodp.proc.320321.209.2013

 
 

Lee, C.T., B. Shen, B.S. Slotnick, K. Liao, G.R. Dickens, Y. Yokoyama, A. Lenardic, R. Dasgupta, M. Jellinek, J.S. Lackey, T. Schneider & M.M. Tice, 2012. Continental arc-island arc fluctuations, growth of crustal carbonates, and long-term climate change. Geosphere, doi:10.1130/GES00822.1.

 
 

Slotnick, B.S., G.R. Dickens, M.J. Nicolo, C.J. Hollis, J.S. Crampton, J.C. Zachos & A. Sluijs, 2012. Large amplitude variations in carbon cycling and terrestrial weathering during the latest Paleocene and earliest Eocene at Mead Stream, New Zealand. Journal of Geology, 120, 487-505

 
 

Sluijs, A. & G.R. Dickens, 2012. Assessing offsets between the d13C of sedimentary components and the global exogenic carbon pool across early Paleogene carbon cycle pertubations. Global Biogeochemical Cycles, 26, GB4005, doi:10.1029/2011GB004224.

 
 

Bhatnagar G., S. Chatterjee, W.G., Chapman, B. Dugan, G.R. Dickens & G.J. Hirasaki, 2011. Analytical theory relating the depth of the sulfate-methane transition to gas hydrate distribution and saturation. Geochemistry, Geophysics, Geosystems, 12, Q03003, DOI: 10.1029/2010GC003397

 
 

Chatterjee, S., G.R. Dickens, G. Bhatnagar, W.G., Chapman,B., Dugan, G.T. Snyder & G.J. Hirasaki, 2011. Pore water sulfate, alkalinity, and carbon isotope profilesin shallow sediment above marine gas hydrate systems:A numerical modeling perspective. Journal of Geophysical Research, 116, B09103, doi:10.1029/2011JB008290

 
 

Dickens, G.R., 2011. Down the rabbit hole, toward appropriate discussion of methane release from gas hydrate systems during the Paleocene-Eocene thermal maximum and other past hyperthermal events. Climate of the Past, 7, 831-846, doi:10.5194/cp-7-831-2011

 
 

Gu. G., G.R. Dickens, G. Bhatnagar, F.S. Colwell, G.J. Hirasaki & W.G. Chapman, 2011. Abundant early Palaeogene marine gas hydrates despite warm deep-ocean temperatures. Nature Geoscience, 4, 848-851

 
 

Leon-Rodriguez, L., G.R. Dickens "Constraints on ocean acidification associated with rapid and massive carbon injections: The early Paleogene record at ocean drilling program site 1215, equatorial Pacific Ocean ." Palaeogeography, Palaeoclimatology, Palaeoecology, 298 (2010) : 409-420.

 
 

Lewis, S.E., R.A. Henderson, G.R. Dickens, G.A. Shields, S. Coxhell "The geochemistry of primary and weathered oil shale and coquina across the Julia Creek vanadium deposit (Queensland, Australia)." Mineralium Deposita, 45 (2010) : 599-620.

 
 

Nicolo, M.J., Dickens, G.R., and Hollis, C.J., 2010, South Pacific intermediate water oxygen depletion at the onset of the Paleocene-Eocene therman maximum as depicted in New Zealand margin sections, Paleoceangraphy, v.25(4), doi: 10.1029/2009PA001904.

 
 

Martinez, N.C., R.W. Murray, G.R. Dickens & M. Kölling "Discrimination of sources of terrigenous sediment deposited in the central Arctic Ocean through the Cenozoic." Paleoceanography, 24 (2009) : doi:10.1029/2007PA00156.

 
 

Villasante-Marcos, V., C.J. Hollis, G.R. Dickens & M.J. Nicolo "Rock magnetic properties across the Paleocene-Eocene Thermal Maximum in Marlborough, New Zealand." Geologica Acta, 7 (2009) : doi: 10.1344/105.000000280 .

 
 

Yu, H., Z. Liu, S. Berne, G. Jia, Y. Xiong, G.R. Dickens, G. Wei, X. Shi, P. Liu & F. Chen "Variations in temperature and salinity of the surface water above the middle Okinawa Trough during the past 37 kyr." Palaeogeography, Palaeoclimatology, Palaeoecology, 281 (2009) : 154-164.

 
 

Zeebe, R.E., J.C. Zachos & G.R. Dickens "Carbon dioxide forcing alone insufficient to explain Palaeocene-Eocene Thermal Maximum warming." Nature Geoscience, 2 (2009) : 576-579.

 
 

Bhatnager, G., W.G. Chapman, G.R. Dickens, B. Dugan & G.J. Hirasaki "Sulfate-methane transition as a proxy for average methane hydrate saturation in marine sediments." Geophysical Research Letters, 35 (2008) : doi:10.1029/2007GL032500.

 
 

Carson, B.E., J.M. Francis, R.M. Leckie, A.W. Droxler, G.R. Dickens, S.J. Jorry, S.J. Bentley, L.C. Peterson & B.N. Opdyke "Benthic foraminiferal response to sea level change in the mixed siliciclastic-carbonate system of southern Ashmore Trough (Gulf of Papua)." Journal of Geophysical Research, Earth Surface, 113 (2008) : F01S20, doi:10.1029/2006JF000629.

 
 

Febo, L.A., S.J. Bentley, J.H. Wrenn, A.W. Droxler, G.R. Dickens, L.C. Peterson & B.N. Opdyke "Late Pleistocene and Holocene sedimentation, organic carbon delivery and paleoclimatic inferences on the continental slope of the northern Pandora Trough, Gulf of Papua." Journal of Geophysical Research, Earth Surface, 113 (2008) : F01S18, doi:10.1029/2006JF000677.

 
 

Francis, J., J. J. Daniell, A.W. Droxler, G.R. Dickens, S.J. Bentley, L.C. Peterson, B. Opdyke & L. Beaufort "Deep-water geomorphology of the mixed siliciclastic-carbonate system." Journal of Geophysical Research, Earth Surface, 113 (2008) : : F01S16, doi:10.1029/2007JF000851.

 
 

Jorry, S.J., A.W. Droxler, G. Mallarino, G.R. Dickens, S.J. Bentley, L. Beaufort, L.C. Peterson & B.N. Opdyke "Bundled turbidite deposition in the Central Pandora Trough (Gulf of Papua) since Last Glacial Maximum: Linking sediment nature and accumulation to sea-level fluctuations at millennial time scale." Journal of Geophysical Research, Earth Surface, 113 (2008) : : F01S19, doi:10.1029/2006JF000649.

 
 

Muhammed, Z., S.J. Bentley, L.A. Febo, A.W. Droxler, G.R. Dickens, L.C. Peterson & B. Opdyke "Excess 210Pb inventories and fluxes along the continental slope basins of the Gulf of Papua." Journal of Geophysical Research, Earth Surface, 113 (2008) : F01S17, doi:10.1029/2006JF000676.

 
 

Tcherepanov, E., A.W. Droxler, G.R. Dickens, S.J. Bentley, L. Beaufort, L.C. Peterson, J. Daniell & B.N. Opdyke "Neogene evolution of the mixed carbonate-siliciclastic system in the Gulf of Papua, Papua New Guinea." Journal of Geophysical Research, Earth Surface, 113 (2008) : F01S21, doi:10.1029/2006JF000684.

 
 

Zachos, J.C., G.R. Dickens & R.E. Zeebe "An early Cenozoic perspective on greenhouse warming and carbon-cycle dynamics." Nature, 451 (2008) : 279-283.

 
 

Bhatnager, G., W.G. Chapman, G.R. Dickens, B. Dugan & G.J. Hirasaki "Generalization of gas hydrate distribution and saturation in marine sediments by scaling of thermodynamic and transport processes." American Journal of Science, 307 (2007) : 861-900.

 
 

Exon, N.F., Y. Lafoy, P.J. Hill, G.R. Dickens & I. Pecher "Geology and petroleum potential of the Fairway Basin in the Tasman Sea." Australian Journal of Earth Sciences, 54 (2007) : 629-645.

 
 

Francis, J.M., G.B. Dunbar, G.R. Dickens, I.A. Sutherland & A.W. Droxler "Sediment composition in Queensland Trough: Regional transport and accumulation of riverine material on a tropical mixed siliciclastic-carbonate margin." Journal of Sedimentary Research, 77 (2007) : 572-586.

 
 

Nicolo, M.J., G.R. Dickens, C.J. Hollis & J.C. Zachos "Multiple early Eocene hyperthermals: Their sedimentary expression on the New Zealand continental margin and in the deep-sea." Geology, 35 (2007) : 699-702.

 
 

Sluijs, A., H. Brinkhuis, S. Schouten, S.M. Bohaty, C.M. John, J.C. Zachos, G.-J. Reichert, J.S. Sinninghe-Damste, E.M. Crouch & G.R. Dickens "Environmental precursors to rapid light carbon injection at the Palaeocene/Eocene boundary." Nature, 450 (2007) : 1218-1221.

 
 

Snyder, G.T., A. Hiruta, R. Matsumoto, G.R. Dickens, H. Tomaru, R. Takeuchi, J. Komatsubara, Y. Ishida & H. Yu "Pore water profiles and authigenic mineralization in shallow marine sediments above the methane-charged system on Umitaka Spur, Japan Sea." Deep-Sea Research (II), 54 (2007) : 1216-1239.

 
 

Snyder, G.T., G.R. Dickens & D.G. Castellini "Labile barite contents and dissolved barium concentrations on Blake Ridge: New perspectives on barium cycling above gas hydrate systems." Journal of Geochemical Exploration, 95 (2007) : 48-65.

 
 

Brinkhuis, H., S. Schouten, M.E. Collinson, A. Sluijs, J.S. Sinninghe-Damste, G.R. Dickens, M. Huber, T.M. Cronin, J. Onodera, K. Takahashi, J.P. Bujak, R. Stein, J. van der Burgh, J.S. Eldrett, I.C. Harding, A.F. Lotter, F. Sangiorgi, H. van Konihnenberg-van Cittert, J.W. DeLeeuw, J. Matthiessen, J. Backman, K. Moran & Expedition 302 Scientists "Episodic fresh surface waters in the Eocene Arctic Ocean." Nature, 441 (2006) : 606-609.

 
 

Castellini, D.G., G.R. Dickens, G.T. Snyder & C.D. Ruppel "Barium cycling in shallow sediment above active mud volcanoes in the Gulf of Mexico." Chemical Geology, 226 (2006) : 1-30.

 
 

G.R. Dickens, C.M. Donohue & G.T. Snyder "Dissolved fluoride concentrations in methane-charged sediment sequences." Proceedings of the Ocean Drilling Program, Scientific Results, 204 (2006)

 
 

Moran, K., J. Backman, H. Brinkhuis, S.C. Clemens, T. Cronin, G.R. Dickens, F. Eynaud, J. Gattaccea, M. Jakobsson, R.W. Jordan, M. Kaminski, J. King, N. Koc, A. Krylov, N.Martinez, J. Matthiessen, D. McInroy, T.C. Moore, Jr., J. Onodera, M. O'Regan, H. Palike, B. Rea, D. Rio, T. Sakamoto, D.C., Smith, R. Stein, K. St. john, I. Suto, N. Suzuki, K. Takahashi, M. Watanabe, M. Yamamoto, J. Farrell, M. Frank, P. Kubik, W. Jokat & Y. Kristoffersen "The Cenozoic paleoenvironment of the Arctic Ocean." Nature, 441 (2006) : 601-605.

 
 

Oosting, A.M., H. Leereveld, G.R. Dickens, R.A. Henderson & H. Brinkhuis "Correlation of Barremian-Aptian (Mid Cretaceous) dinoflagellate cyst assemblages between the Tethyan and Austral realms." Cretaceous Research, 27 (2006) : 792-813.

 
 

Pagani, M., N. Pendentchouk, M. Huber, A. Sluijs, S. Schouten, H. Brinkhuis, J.S. Sinnighe-Damste, G.R. Dickens & Expedition 302 Scientists "The Arctic's hydrological response to global warming during the Paleocene-Eocene thermal maximum." Nature, 442 (2006) : 671-675.

 
 

Sluijs, A. S. Schouten, M. Pagani, M. Woltering, H. Brinkhuis, J.S. Sinninghe-Damste, G.R. Dickens, M. Huber, G.-J. Reichert, R. Stein, J. Matthiessen, L.J. Lourens, N. Pedentchouk, J. Backman, K. Moran & Expedition 302 Scientists "Subtropical Arctic Ocean temperatures during the Palaeocene Eocene thermal maximum." Nature, 441 (2006) : 610-613.

 
 

Tr¿hu, A.M., C. Ruppel, M. Holland, G.R. Dickens, M.E. Torres, T.S. Collett, D. Goldberg, M. Riedel & P. Schultheiss "Gas hydrates in marine sediments." Oceanography, 19 (2006) : 76-94.

 
 

Hollis, C.J., G.R. Dickens, B.D. Field, C.M. Jones & C.P. Strong "The Paleocene-Eocene transition at Mead Stream, New Zealand: A southern Pacific record of early Cenozoic global change." Palaeogeography, Palaeoclimatology, Palaeoecology, 215 (2005) : 313-343.

 
 

Ruppel, C., G.R. Dickens, D.G. Castellini, W. Gilhooly & D. Lizarralde "Heat and salt inhibition of gas hydrate in the northern Gulf of Mexico." Geophysical Research Letters, 32 (2005) : L04605.

 
 

Trehu, A.M., G. Bohrmann, F.R. Rack, T.S. Collett, D.S. Goldberg, P. E. Long, A.V. Milkov, M. Riedel, P. Schultheiss, M.E. Torres, N.L. Bangs, S.R. Barr, W.S. Borowski, G.E. Claypool, M.E. Delwiche, G.R. Dickens, E. Gracia, G. Guerin, M. Holland, J.E. Johnson, Y-J. Lee, C-S. Liu, X. Su, B. Teichert, H. Tomaru, M. Vanneste, M. Watanabe & J.L. Weinberger "Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: constraints from ODP Leg 204." Earth and Planetary Science Letters, 222 (2004) : 845-862.

 
 

Brown, M.C., N.H.S. Oliver & G.R. Dickens "Veins and fluid flow around the Mt. Whaleback iron ore district, eastern Hamersley Province, Western Australia." Precambrian Research, 128 (2004) : 441-474.

 
 

D'Hondt, S., B.B. Jorgensen, D.J. Miller, R. Blake, B.A. Cragg, G.R. Dickens, T. Ferdelman, K.-U. Hinrichs, N. Holm, R. Mitterer, A. Spivack, B. Bekins, K. Ford, G. Gettemy, C.G., Skilbeck, I.W. Aiello, H. Cypionka, G. Guerin, C. House, F. Inagaki, P. Meister, T. Naehr, S. Niitsuma, R.J. Parkes, A. Schippers, D.C. Smith, A. Teske, J. Wiegel, C.N. Padilla, J.L.S Acosta, G. Wang, S.D. Rutherford "Distributions of metabolic activities in deep subseafloor sediments." Science, 306 (2004) : 2216-2221.

 
 

Milkov, A.V., G.R. Dickens, G.E. Claypool, Y.-J. Lee, W.S. Borowski, M.E. Torres, W. Xu, H. Tomaru, A.M. Trehu & P. Schultheiss "Co-existence of gas hydrate, free gas, and brine within the regional gas hydrate stability zone at the southern summit of Hydrate Ridge (Oregon margin): Evidence from prolonged degassing of a pressurized core." Earth and Planetary Science Letters, 222 (2004) : 829-843.

 
 

Webb, A.W., G.R. Dickens & N.H.S. Oliver "Carbonate alteration of the upper Mt. McRae Shale beneath the martite-microplaty hematite ore deposit at Mt. Whaleback, Western Australia." Mineralium Deposita, 39 (2004) : 632-645.

 
 

Crouch, E.M., G.R. Dickens, H. Brinkhuis, M.P. Aubry, C.J. Hollis, K.M. Rogers & H. Visscher, 2003 "The Apectodinium acme and terrestrial discharge during the Paleocene-Eocene thermal maximum: new palynological, geochemical and calcareous nannoplankton observations at Tawanui, New Zealand." Palaeogeography, Palaeoclimatology, Palaeoecology, 194 (2003) : 387-403.

 
 

Dickens, G.R. "Rethinking the global carbon cycle with a large, dynamic and microbially mediated gas hydrate capacitor." Earth and Planetary Science Letters (Frontiers), 213 (2003) : 169-182.

 
 

Dickens, G.R., D. Schroeder, K.U. Hinrichs & the Leg 201 Scientific Party "The pressure core sampler (PCS) on Ocean Drilling Program Leg 201: General operations and gas release." Initial Reports of the Ocean Drilling Program, 201 (2003)

 
 

Dickens, G.R., T. Fewless, E. Thomas & T.J. Bralower "Excess barite accumulation during the Paleocene/Eocene thermal maximum: Massive input of dissolved barium from seafloor gas hydrate reservoirs." Causes and Consequences of Globally Warm Climates in the Early Paleogene, Geological Society of America Special Publication, 369 (2003) : 11-23.

 
 

Dunbar, G.B. & G.R. Dickens "Late Quaternary shedding of shallow marine carbonate along a tropical mixed siliciclastic-carbonate shelf: Great Barrier Reef, Australia." Sedimentology, 50 (2003) : 1061-1078.

 
 

Dunbar, G.B. & G.R. Dickens "Massive siliciclastic discharge to slopes of the Great Barrier Reef Platform during sea-level transgression: New constraints from cores between 15 and 16 ?S latitude." Sedimentary Geology, 162 (2003) : 141-158.

 
 

Fielding, C.R., J.D. Trueman, G.R. Dickens & *M. Page "Anatomy of the buried Burdekin river channel across the Great Barrier Reef shelf: How does a major river operate on a tropical mixed siliciclastic/carbonate margin during sea level lowstand." Sedimentary Geology, 157 (2003) : 291-301.

 
 

Hancock, H.J.L, Dickens, G. R., C.P. Strong, C.J. Hollis & B.D. Field "Foraminiferal and carbon isotope stratigraphy through the Paleocene-Eocene transition at Dee Stream, Marlborough, New Zealand.." New Zealand Journal of Geology and Geophysics, 46 (2003) : 1-19.

 
 

Milkov, A.V., G.E. Claypool, Y.J. Lee, W. Xu, G.R. Dickens, W.S. Borowski & the ODP Leg 204 Scientific Party "In situ methane concentrations at Hydrate Ridge offshore Oregon: New constraints on the global gas hydrate inventory from an active margin." Geology, 31 (2003) : 833-836.

 
 

Page, M.C., G.R. Dickens & G.B. Dunbar "Tropical view of Quaternary sequence stratigraphy: Siliciclastic accumulation on slopes east of the Great Barrier Reef since the Last Glacial Maximum." Geology, 31 (2003) : 1013-1016.

 
 

Webb, A.W., Dickens, G. R. & N.H.S. Oliver "From BIF to iron ore: Major element chemistry and mineralogy across the Hamersley Province, Western Australia." Chemical Geology, 197 (2003) : 215-251.

 
 

Grant, K.M. & G.R. Dickens "Coupled productivity and carbon isotope records in the southwest Pacific Ocean during the late Miocene-early Pliocene biogenic bloom." Palaeoclimatology, Palaeoecology, Palaeogeography, 187 (2002) : 61-82.

 
 

Hancock, H.L., G. Chaproniere, G.R. Dickens & R.A. Henderson "Early Palaeogene planktonic foraminifera and carbon isotope stratigraphy at ODP Site 762, Exmouth Plateau, Northwest Australian margin." Journal of Micropalaeontology, 21 (2002) : 29-42.

 
 

Heap, A.D., G.R. Dickens, L.K. Stewart & K.J. Woolfe "Holocene storage of siliciclastic sediment around islands on the middle shelf of the Great Barrier Reef Platform, Northeast Australia." Sedimentology, 49 (2002) : 603-621.

 
 

Malone, M.J., G. Claypool, J.B. Martin & G.R. Dickens "Variable methane fluxes in shallow marine systems: The composition and origin of pore waters and authigenic carbonates on the New Jersey shelf." Marine Geology, 189 (2002) : 175-196.

 
 

Dickens, G.R. "Carbon addition and removal during the late Paleocene thermal maximum: Basic theory with a preliminary treatment of the isotope record at Ocean Drilling Program Site 1051, Blake Nose." Western North Atlantic Palaeogene and Cretaceous Paleoceanography, Geological Society London Special Publication, 183 (2001) : 293-306.

 
 

Dickens, G.R. "Modeling the global carbon cycle with a gas hydrate capacitor: Significance for the Latest Paleocene thermal maximum." Natural Gas Hydrates: Occurrence, Distribution and Detection, AGU Geophysical Monograph Series, 124 (2001) : 19-38.

 
 

Dickens, G.R. "Sulfate profiles and barium fronts in sediment on the Blake Ridge: Present and past methane fluxes through a large gas hydrate reservoir." Geochimica et Cosmochimica Acta, 65 (2001) : 529-543.

 
 

Dickens, G.R. "The potential volume of oceanic methane hydrates with variable external conditions." Organic Geochemistry, 32 (2001) : 1179-1193.

 
 

Dobson, D.M., G.R. Dickens & D.K. Rea "Terrigenous sedimentation on Ceara Rise: A Cenozoic record of South American orogeny and erosion." Palaeogeography, Palaeoclimatology, Palaeoecology, 165 (2001) : 215-229.

 
 

Heap, A.D., G.R. Dickens & L.K. Stewart "Late Holocene sediment in Nara Inlet, central Great Barrier Reef platform, Australia: sediment accumulation on the middle shelf of a tropical mixed clastic/carbonate system." Marine Geology, 176 (2001) : 39-54.

 
 Articles
 

Dickens, G.R., 2012. Eating an elite education at McDonald’s. Chronicle of Higher Education, http://chronicle.com/article/Eating-an-Elite-Education-at/135578/

 
 

Dickens, G.R. "Early Cenozoic hyperthermals: The sedimentary record of rapid global warming and massive carbon input." CSEG Recorder, 34 (2009) : 28-32.

 
 

Dickens, G.R. & G.T. Snyder "Interpreting upward methane flux from marine pore water profiles." Fire in the Ice, 9 (2009) : 7-10.

 
 

Dickens, G.R. "Methane release from gas hydrates." Fire in the Ice, Summer (2008) : 9-12.

 
 

Hancock, H.J.L. & G.R. Dickens "Carbonate dissolution episodes in Paleocene and Eocene sediment, Shatsky Rise, West-Central Pacific." Proceedings ODP, Scientific Reports, 198 (2005) : 198SR-116.

 
 

Hollis, C.J., B.D. Field, C.M. Jones, C.P. Strong, G.J. Wilson & G.R. Dickens "Biostratigraphy and carbon isotope stratigraphy of uppermost Cretaceous-lower Cenozoic Muzzle Group in middle Clarence Valley, New Zealand." Journal of the Royal Society of New Zealand, 35 (2005) : 345-383.

 
 

Page, M.C. & G.R. Dickens "Sediment fluxes through the Last Glacial cycle in the southern Great Barrier Reef Province, Marion Plateau: new constraints on 'transgressive-shedding' on the northeast Australian margin." Marine Geology, 219 (2005) : 27-45.

 
 Books
 

Beaudoin, Y. C., Waite, W., Boswell, R. and Dallimore, S. R. (eds), and contributors. "Frozen Heat: UNEP Global Outlook on Methane Gas Hydrates. Volume 1. ." United Nations Environment Programme

 
 

Beaudoin, Y. C., Waite, W., Boswell, R. and Dallimore, S. R. (eds), and contributors. "Frozen Heat: UNEP Global Outlook on Methane Gas Hydrates. Volume 2. ." United Nations Environment Programme

 
 Book chapters
 

Fielding, C.R., J.D. Trueman, G.R. Dickens & M. Page "Response of a major river system to the last glacial cycle: geomorphology and internal architecture of the ancestral Burdekin River across the Great Barrier Reef shelf, northeast Australia." International Association of Sedimentologists Special Publication, 35 (2005) : 321-347.

 
 Conference papers
 

Bhatnagar, G. W.G. Chapman, G.R. Dickens, B. Dugan & G.J. Hirasaki "Scaling of thermodynamic and transport procecesses fro methane hydrate saturation in marine sediments worldwide." SPE (2006) : 106519-STU.

 
 Other
 

Dickens, G.R. & J. Backman, 2012. A comment on Pliocene climate change of the Southwest Pacific and the impact of ocean gateways, Earth and Planetary Science Letters, 301, 117-124.

 
 

Dickens, G.R. "The riddle of the clays." Nature Geoscience, 1 (2008) : 86-88.

 
 

Bowen, G.J., T.J. Bralower, M.L. Delaney, G.R. Dickens, D.C. Kelly, P.L. Koch, L.R. Kump, J. Meng, L.C. Sloan, E. Thomas, S.L. Wing & J.C. Zachos "Eocene hyperthermal event offers insight into greenhouse warming." EOS (Trans AGU), 87 (2006) : 165-169.

 
 

Dickens, G.R., A.W. Droxler, S.J. Bentley, L.C. Peterson, B.N. Opdyke, L. Beaufort, J. Daniell, L.A. Febo, J. Francis, P.T. Harris, S. Jorry, G. Mallarino, M. McFadden, Z. Muhammed, B. Carson, L. Patterson, E. Tcherepanov & C.A. Zarikian "Sediment accumulation on the shelf edges, adjacent slopes, and basin floors of the Gulf of Papua." Margins Newsletter, 16 (2006) : 1-5.

 
 

Donohue, C.M., G.R. Dickens & G.T. Snyder "Data Report: Major cation concentrations of interstitial waters collected from deep subsurface microbial communities (ODP Leg 201)." Proceedings of the Ocean Drilling Program, Scientific Reports, 201 (2006)

 
 

Rohling, E.J. & G.R. Dickens "Welcome fromt he new editors." Paleoceanography, 21 (2006) : doi:10.1029/2006PA001272.

 
 

Dickens, G.R. "Comment: Methane-driven oceanic eruptions and mass extinctions." Geology (2004)

 
 

Dickens, G.R. "Hydrocarbon-driven warming." Nature, 429 (2004) : 513-515.

 
 

Dickens, G.R. "Methane hydrate and abrupt climate change." Geotimes, November (2004) : 18-22.

 
 

Dickens, G.R. & J.M. Francis "Comment: A case for a comet impact trigger for the Paleocene/Eocene thermal maximum and carbon isotope excursion." Earth and Planetary Science Letters, 217 (2004) : 197-200.

 
 

Dickens, G.R. "A methane trigger for rapid warming." Science, 299 (2003) : 1017.

 
 

Dickens, G.R. "Data Report: Dissolved manganese concentrations in deep drill holes off New Zealand (ODP Leg 181)." Proceedings ODP, Scientific Reports, 181 (2002) : http://www-odp.tamu.edu/publications/181_SR/202/20.

 
 

Hancock, H.J.L. & G.R. Dickens "Data Report: Carbonate concentrations of Paleogene sediment at Hole 1121B, Campbell Drift." Proceedings ODP, Scientific Reports, 181 (2002) : http://www-odp.tamu.edu/publications/181_SR/204/20.

 
 

Dickens, G, N. Exon, D. Holdway, Y. Lafoy, J-M Auzende, G. Dunbar & R. Summons "Quaternary sediment cores from the Southern Fairway Basin on the northern Lord Howe Rise (Tasman Sea)." Australian Geological Survey Organisation Record, 31 (2001) : 29 pp..

 
 

Dickens, G.R. "On the fate of past gas: what happens to methane released from a bacterially mediated gas hydrate capacitor?." Geochem. Geophys. Geosys., 2 (2001)

 
Presentations
 Invited Talks
 

"Down the Rabbit Hole: Our world with a dynamic seafloor methane capacitor." University of Rochester, Dept. Earth & Environmental Sciences, Rochester, New York. (October 2015)

 
 

"Down the Rabbit Hole: Our world with a dynamic seafloor methane capacitor." Geological and Nuclear Sciences (GNS) Climate Change Series, GNS, Wellington, NZ. (February 2015)

 
 

"Down the Rabbit Hole: Our world with a dynamic seafloor methane capacitor." SUNY Fredonia, Dept. of Geosciences, Fredonia, New York. (October 2015)

 
 

"A temperature regulated organic carbon capacitor on Earth's Surface, Texas A&M CC, Geology Division (Corpus Christi, USA) ." (Sepetmber 2014)

 
 

"A temperature regulated organic carbon capacitor on Earth's Surface, Urbino Summer School of Paleoclimatology (Urbino, Italy)." (July 2014)

 
 

"Massive carbon addition and global warming: An early Paloegene Perspective, CEREGE (Aix-en-Provence)." (November 2014)

 
 

"Massive carbon addition and global warming: An early Paloegene Perspective, Institut de Recherche pour le Développement (Noumea, New Caledonia) ." (October 2014)

 
 

"Massive carbon addition and global warming: An early Paloegene Perspective, U. South Carolina, Department of Earth and Ocean Science, (Columbia, USA)." (Novmeber 2014)

 
 

"A temperature regulated organic carbon capacitor on Earth's surface, Pardee Symposium “Eocene Climate: Back-to-the Future”, GSA (Denver, USA)." (October 2013)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Department of Earth Sciences, Southern Methodist University, Dallas, Texas." (September 2012)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Department of Geological Sciences, University of California, Santa Cruz, California." (February 2012)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Gordon Research Conference on Gas Hydrates, Ventura, California." (March 2012)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Urbino Summer School of Paleoclimatology, Urbino, Italy." (July 2012)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Department of Geological Sciences, Lund University, Lund, Sweden." (April 2011)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Department of Geological Sciences, Stockholm University, Stockholm, Sweden." (April 2011)

 
 

"Down the Rabbit Hole: Toward appropriate discussion of methane gas hydrates during intervals of global warming, Dept. of Biological Science, Utrecht University, Utrecht, Netherlands." (September, 2011)

 
 

"The sedimentary record of rapid warming and massive carbon input during the Early Paleogene. Goethe University, Department of Geosciences, Frankfurt, Germany." (January 2011)

 
 

"Early Cenozoic Hyperthermals: The Sedimentary Record of Global Warming and Massive Carbon Input." Bert Bolin Center, Stockholm University, Stockholm, Sweden. (October 2010)

 
 

"Early Cenozoic Hyperthermals: The Sedimentary Record of Global Warming and Massive Carbon Input." Netherlands Institute of Oceanography (NIOZ), Texel, Netherlands. (November 2010)

 
 

"Early Cenozoic Hyperthermals: The Sedimentary Record of Global Warming and Massive Carbon Input." School of Earth and Environment, Leeds University, Leeds, England. (December 2010)

 
 

"Early Cenozoic Hyperthermals: The Sedimentary Record of Global Warming and Massive Carbon Input." Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA. (Feb 2010)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." University of Alaska (AAPG Presentation), Fairbanks, AK. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Montana Geological Society (AAPG Presentation), Helena, MT. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Dallas Geological Society (AAPG Presentation), Dallas, TX. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Brigham Young University (AAPG Presentation), Provo, UT. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Canadian Society of Exploration Geophysics (AAPG Presentation), Calgary, Alberta. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Canadian Society of Exploration Geophysics (AAPG Presentation), Calgary, Alberta. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." University of Colorado (AAPG Presentation), Boulder, CO. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Alaska Geological Society (AAPG Presentation), Anchorage, AK. (Feb 2009)

 
 

"The Global Carbon Cycle with Seafloor Methane (AAPG Presentation)." Tulsa Geological Society , Tulsa, OK. (Feb 2009)

 
 

"The Global Carbon Cycle with Seafloor Methane (AAPG Presentation)." Shell Oil , Anchorage, AK. (Feb 2009)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." University of Ottawa (Geoscience Dept. seminar), Ottawa, ON. (Oct 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." University of Alabama (Geoscience Dept. Seminar), Tuscaloosa, AL. (Sep 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Amherst College ("Five college" talk for geoscience), Amherst, MA. (Oct 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." SUNY Albany (Geoscience Dept. Seminar), Albany, NY. (Oct 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." U. Texas, Arlington, Arlington, TX. (Nov 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." University of Iowa (Geoscience Dept. seminar), Iowa City, IA. (Oct. 2008)

 
 

"Early Cenozoic Climate and Carbon Cycling: The Sedimentary Record of Global Warming and Massive Carbon Input." Memorial University (Geoscience Dept. Seminar), St. Johns, NF. (Oct 2008)

 
 

"Global carbon cycling with seafloor methane." Department of Energy (DOE) Methane Symposium, MIT, Boston. (February 2008)

 
 

"The Global Carbon Cycle with Seafloor Methane." Virginia Tech (Geoscience Dept. seminar), Blacksburg, VA. (Sep 2008)

 
 

"The Global carbon cycle with seafloor methane." Oregon State University, Corvallis. (April 2007)

 
 

"Constraints on methane release during the Paleocene-Eocene thermal maximum." Darwin Symposium on Global Change, Utrecht, Netherlands. (September, 2006)

 
 

"Global warming: New insights from the Arctic Ocean." What's New For Lunch?, Rice University. (January 2006)

 
 

"Global warming: New insights from the Arctic Ocean." Society of Rice University Women (SRUW), Houston.

 
 

"Rethinking the global carbon cycle with a dynamic seafloor methane reservoir." University of Michigan, Ann Arbor, MI. (January 2006)

 
 

"Methane Driven Environmental Change in the Geological Record." Annual AAAS Meeting, Washington DC. (February 20, 2005)

 
 

"Rethinking the global carbon cycle with a large, dynamic, and microbially mediated seafloor reservoir of methane." Institute of Geological Nuclear Sciences, Wellington, New Zealand. (January 18, 2005)

 
 

"Rethinking the global carbon cycle with a large, dynamic, and microbially mediated seafloor reservoir of methane." University of Texas, Institute of Geophysics, Austin. (April 15, 2005)

 
 

"Rethinking the global carbon cycle with a large, dynamic, and microbially mediated seafloor reservoir of methane." Chinese University of Geoscience, Wuhan, China.

 
 

"Rethinking the global carbon cycle with a large, dynamic, and microbially mediated seafloor reservoir of methane." University of Kentucky, Lexington. (October 15, 2005)

 
 

"Gas Hydrates and the global carbon cycle." NOAA Workshop on Gas Hydrates, Boulder, Colorado. (May 13, 2004)

 
 

"Methane release at the Paleocene/Eocene boundary." Paleogene Climate Change Workshop, Bremen, Germany. (November 12, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." University of Oslo Geophysics Seminar, Oslo, Norway. (August 5, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." USC Wrigley Institute Geomicrobiology Course, Catalina Island, California. (July 10, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." University of Irvine, Earth Sciences Seminar, Irvine California. (June 9, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." Colorado School of Mines Geology Van Tuyl Lecture, Golden, Colorado. (November, 5, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." University of Bremen Geological Sciences Seminar, Bremen, Germany. (November 15, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." National Center of Atmospheric Research Seminar, Boulder, Colorado. (January 20, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." Colorado School of Mines, Chem. Engineering Seminar, Golden, Colorado. (January 21, 2004)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate." Stanford University, Geophysics Department Seminar, Stanford, California. (February 12, 2004)

 
 

"Rethinking the global carbon cycle with a large, dynamic, and microbially mediated gas hydrate." Houston Geological Society Monthly Seminar, Houston, Texas. (May 11, 2004)

 
 

"Role of Gas Hydrates in Carbon Cycling and Environmental Change." AAAS Annual Meeting, Seattle, Washington. (February 13, 2004)

 
 

"Naturally occurring gas hydrates." Nano-Energy Conference, Rice University. (May 2, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." U. Southern Mississippi, Hattiesberg, MS. (March 6, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Syracuse University, Syracuse, NY. (February 8, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Columbia University, Palisades, NY. (February 7, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." University of California, Santa Cruz, Santa Cruz, CA. (December 5, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Tulane University, New Orleans, LA. (October 24, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Fugro, Houston, TX. (October 17, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Wright St. University, Dayton, OH. (May 22, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Gulf Coast Marine Laboratory, Ocean Springs, MS. (March 7, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." University of Chicago, Chicago, IL. (October 3, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Pennsylvania State University, State College, PA. (September 8, 2003)

 
 

"Rethinking the global carbon and barium cycles with a large, dynamic, and microbially mediated gas hydrate capacitor." Hobart College, Geneva, NY. (February 20, 2003)

 
 

"A global carbon cycle with gas hydrate." Gordon Research Conference, Organic Geochemistry, Plymouth, NH. (August 19, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." Yale University Dept. of Geology & Geophysics Lecture Series, New Haven, CT. (November 19, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." Wesleyan University, Middletown, CT. (November 18, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." Texas A & M Dept. of Oceanography Seminar Seriers, College Station, TX. (September 9, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." Woods Hole Oceanographic Institution, Geochemistry Seminar Series, Woods Hole, MA. (August 17, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." University of Michigan Dept. of Geological Sciences Seminar Series, Ann Arbor, MI. (September 20, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." University of Wisconsin Dept. of Geology and Geophysics Seminar Series, Madison, WI. (October 4, 2002)

 
 

"Reconstructing the global carbon (and barium) cycle with gas hydrates." Lawrence University (JOI/USSAC Lecture), Appleton, WI. (October 3, 2002)

 
 Keynote Speaker
 

Gave the annual Montefeltro Lecture on past climates at Urbino (Italy)

 
 

"A temperature regulated organic carbon capacitor on Earth's Surface, Malahoff Geological Resources Talk, GNS New Zealand (Wellington, NZ)." (February 2013)

 
 

"The sedimentary record of rapid warming and massive carbon input during the Early Paleogene. U.K. Workshop on Ocean Drilling and Paleoclimate, Cardiff, Wales.." (February 2011)

 
 Keynote speaker for spessial seesion: Gas Hydrates : Energy for the futrue of global warming?
 
 Lectures
 

"Global warming: New insights from the Arctic Ocean." Rice Old Men Eating Out (ROMEO), Houston.

 
 Other
 

"Carbon cycling in the Cenozoic (multiple lectures)." Urbino Summer School in Paleoclimatology, Urbino, Italy. (July 2007)

 
 

Taught graduate classes for a week.  "Methane in Marine Sediments." Austral Summer School in Oceanography, Concepcion, Chile. (January 2007) With Kai Hinrichs, Antje Boetius

 
 

"Gas hydrates and Paleocene carbon injections." Urbino Summer School of Paleoclimatology, Urbino Italy. (July 2006)

 
 

"A Paleogene world with a gas hydrate capacitor." University of Rochester Earth and Enviromental Science Seminar Series (Invited Seminar), Rochester, New York. (September 26)

 
 

"A Paleogene world with a gas hydrate capacitor." Utrecht University Paleobotany Lecture Series (Invited Seminar), Utrecht, Netherlands. (October 5)

 
 

"A Paleogene world with a gas hydrate capacitor." Johns Hopkins Earth Science Lecture Series (Invited Seminar), Baltimore, Maryland. (November 9)

 
 

"A Paleogene world with a gas hydrate capacitor." International Conference of Paleoceanography (ICP) VII (Plenary Talk - cancelled because of airplane crisis) , Sapporo, Japan. (September 18) With James Zachos

 
 

"A source to sink explanation for clastic sediment around islands on the middle shelf of the Great Barrier Reef Platform." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 13) With A.D. Heap, L.K. Stewart

 
 

"Environmental change at the time of the Paleocene-Eocene biotic turnover; a palynological perspective." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 12) With E.M. Crouch, H. Brinkhuis, C. Heilman-Clausen, T. Adatte, H.E. Morgans, H. Visscher

 
 

"Massive off-shelf siliciclastic fluxes on the northeast Australian margin during transgression." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 13) With M.C. Page

 
 

"Modeling the Paleogene world with a gas hydrate capacitor." Society of Sedimentary Geologists (SEPM) Diamond Jubilee Symposium (Plenary Talk), Denver, Colorado. (June 2)

 
 

"Modeling the Paleogene world with a gas hydrate capacitor." Stanford University Ocean Seminar Series (Invited Seminar), Stanford, California. (May 30)

 
 

"Modeling the potential volume of gas hydrates over time and during transient climate events (INVITED)." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 12)

 
 

"Stable isotopic composition of interstitial waters and authigenic carbonates, New Jersey Shelf: Origin of carbonates and implication for methane flux." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 10) With M.J. Malone, G. Claypool, J.B. Martin

 
 

"Sulfate profiles and barium fronts in sediment on the Blake Ridge: Present and past depths of anaerobic methane oxidation above a large gas hydrate reservoir." American Geophysical Union (AGU) Fall Meeting, San Francisco. (December 10)

 
 

"The role of paleoenvironment in the formation of sediment-hosted metal ores: three examples from Australia." Gordon Research Conference, Inorganic Geochemistry (Invited Talk), Proctor, Academy, New Hampshire. (August 20)

 
 Panelist
 

"Global Climate Change Forum." LeTourneau University, Longview Texas. (April 2007)

 
 Seminar Speaker
 

"A temperature regulated organic carbon capacitor on Earth's surface, University of Houston, Dept. Earth and Atmospheric Sciences (Houston, USA)." (December 2013)

 
 

"A global carbon cycle with seafloor methane." First Chinese Oceanographic Institution, Qingdao, China. (July 2007)

 
 

"The Global carbon cycle with seafloor methane." University of Wisconsin, Madison. (February 2007)

 
 Session Chair
 

"Geosystems: Ancient Greenhouse Emissions and Hothouse Climates." AAAS, St Louis, MO. (February 2006) With Isabel Montanez

 
 Workshops
 

"Carbon cycling in the Cenozoic (multiple lectures)." Urbino Summer School in Paleoclimatology (USSP), Urbino, Italy. (July 13 - August 5 2009)

 
 

"Carbon cycling in the Cenozoic (multiple lectures)." Urbino Summer School in Paleoclimatology, Urbino, Italy. (July 22 - August 2 2008)

 
Editorial Positions
 Editor in Chief, GSA Today. Geological Society of America. (2015 - 2015)

 Editor in Chief, Paleoceanography. AGU. (2009 - 2009)

 Editor for Special Issue, Climate of the Past. European Geophysical Union (EGU). (2015 - 2015)

 Member of the Editorial Board, Geo-Marine Letters. Springer. (2015 - 2015)

 Member of the Editorial Board, Geo-Marine Letters. (2012 - 2012)

 Member of the Editorial Board, International Journal of Oceanography. (2010 - 2010)

 Member of the Editorial Board, Geo-Marine Letters. (2011 - 2011)

 Member of the Editorial Board, Geo-Marine Letters. (2009 - 2009)

 Member of the Editorial Board, International Journal of Oceanography. (2010 - 2010)

 Member of the Editorial Board, Heylion. Elsevier. (2015 - 2015)

 Associate Editor, Paleoceanography. (2005 - 2005)

 Editor in Chief, Paleoceanography. American Geophysical Union. (2008 - 2008)

 Editor in Chief, Paleoceanography. American Geophysical Union. (2007 - 2007)

 Member of the Editorial Board, Geo-Marine Letters. Springer-Verlag. (2003 - 2003)

 Member of the Editorial Board, Geo-Marine Letters. (2008 - 2008)

 Member of the Editorial Board, Geology. Geological Society of America. (2003 - 2003)

 Member of the Editorial Board, Geo-Marine Letters. (2005 - 2005)

 Member of the Editorial Board, Geo-Marine Letters. (2007 - 2007)

 Associate Editor, Paleoceanography. American Geophysical Union. (2003 - 2003)

Supervised Theses & Dissertations
 Andrew C. Klein, PhD An investigation into sequences stratigraphic controversy in the central gulf coastal plain. (2002) (Thesis Committee Member)

 Priyank Jaiswal, MSc 3D velocity structure of a gas hydrate in the Gulf of Mexico. (2002) (Thesis Committee Member)

 Priyank Jaiswal, MSc 3D velocity structure of a gas hydrate in the Gulf of Mexico. (2002) (Thesis Committee Member)

 Andrew C. Klein, PhD An investigation into sequences stratigraphic controversy in the central gulf coastal plain. (2002) (Thesis Committee Member)

 Gabriel J. Bowen, PhD Paleogene greenhouse gas and terrestrial carbon cycle feedbacks. (2003) (Thesis Committee Member)

 Carmen Fraticelli, PhD Eustastic and Climatic Influence on Upper Slope Depostion, Offshore Texas. (2003) (Thesis Committee Member)

 Adam Webb, PhD Chemical and mineralogical constraints on the genesis of the giant Mt. Whaleback. (2003) (Thesis Director)

 D. Grace Castellini, M.S. Barium Cycling in Shallow Sediment Above Active Mud Volcanoes in the Gulf of Mexico. (2004) (Thesis Director)

 Catherine Donohue, M.S. Regulation of Fluorine Chemistry and Carbonate Fluorapatite Stability in Deep Sediments Near the Peruvian Upwelling Zone. (2004) (Thesis Director)

 Anja Oosting, PhD Palaeoenvironmental and climatic changes in Australia during the Early Cretaceous. (2004) (Thesis Committee Member)

 Anja Oosting, PhD Palaeoenvironmental and climatic changes in Australia during the Early Cretaceous. (2004) (Thesis Committee Member)

 Michael Page, PhD Quaternary sediment accumulation along the Great Barrier Reef. (2004) (Thesis Director)

 Michael Page, PhD Quaternary sediment accumulation along the Great Barrier Reef. (2004) (Thesis Director)

 Charlotte Kelchner, M.A. Transfer of Organic Matter from Surface Waters to the Sea Floor: Fecal Pellet Flux in the Ross Sea. (2004) (Thesis Committee Member)

 Catherine Donohue, M.S. Regulation of Fluorine Chemistry and Carbonate Fluorapatite Stability in Deep Sediments Near the Peruvian Upwelling Zone. (2004) (Thesis Director)

 D. Grace Castellini, M.S. Barium Cycling in Shallow Sediment Above Active Mud Volcanoes in the Gulf of Mexico. (2004) (Thesis Director)

 Charlotte Kelchner, M.A. Transfer of Organic Matter from Surface Waters to the Sea Floor: Fecal Pellet Flux in the Ross Sea. (2004) (Thesis Committee Member)

 Alexander Ray Simms, Ph.D. Late Quaternary/Holocene Evolution of the Nueces Incised Valley, Central Texas. (2005) (Thesis Director)

 Alexander Ray Simms, Doctor Of Philosophy Late Quaternary/Holocene Evolution of the Nueces Incised Valley, Central Texas. (2006) (Thesis Committee Member)

 David Carlson Heroy, Doctor Of Philosophy The Antarctic Peninsula Ice Sheet Since the Last Glacial Maximum. (2006) (Thesis Committee Member)

 Min Hu, Master of Science Exploration on Variations in Cr/Co and V/Co Ratios in Pelagic Sediments. (2006) (Thesis Committee Member)

 Zaid Patrick Taha, Doctor of Philosophy Fluvial Response to Base Level Change: A Case Study of the Brazos River, East Texas, U.S.A.. (2006) (Thesis Committee Member)

 Zaid Patrick Taha, Doctor of Philosophy Fluvial Response to Base Level Change: A Case Study of the Brazos River, East Texas, U.S.A.. (2006) (Thesis Committee Member)

 Min Hu, Master of Science Exploration on Variations in Cr/Co and V/Co Ratios in Pelagic Sediments. (2007) (Thesis Committee Member)

 Sayantan Chatterjee, PhD Modeling pore waters of gas hydrate systems. (2012) (Thesis Committee Member)

 Guangsheng Gu, PhD Gas hydrates in marine sediment with changing extrenal conditions. (2012) (Thesis Committee Member)

 Benjamin Slotnick, PhD Early Paleogene hyperthermal events in the Indian and Pacific Oceans. (2014) (Thesis Director)

 Daniele Reghellin, PhD Neogene paleoceanography along the Equator of the Pacific Ocean. (2015) (Thesis Director)

Awards, Prizes, & Fellowships
 Montefeltro Lecture, Urbino Summer School of Paleoclimatology (2015)

 Fellow, Geological Society of America, Geological Society of America (October 2013)

 Wenner-Gren Fellow, Wenner-Gren Center, Sweden (2011)

 Royal Academy Netherlands Honorary Visiting Professor, Royal Academy of Dutch Sciences (2010-2011)

 Exceptional Reviewer, Geology, Geological Society of America (November, 2010)

 American Association of Petroleum Geologists (AAPG) Distinguished Lecturer, AAPG (2008-2009)

 American Association of Petroleum Geologists (AAPG) Distinguished Lecturer, AAPG (2008)

 2002/2003 Distinguished Lecturer, Joint Oceanographic Institutions (2003)

 Panel Member, Earth Systems History (ESH) science steering committee, National Science Foundation

Residencies & Summer Festivals
 Residency
 Distinguished Visiting Science Faculty. Spent 10 days at Gakushuin University invited by the science faculty. This included giving 3 lectures and meeting with lab group members, Tokyo, Japan. (July 2006)
 Guest Professor, Stockholm University. Worked at Stockholm University for the summer, Department of Geological Sciences, Stockholm University, Sweden. (May-August 2012)
 Guest Professor, Stockholm University. , Department of Geological Sciences, Stockholm University, Sweden. (2010-2011)
 Summer Festival
 Guest Lecturer, University of Urbino. Helped to run and to teach the Urbino Summer School of Paleoclimatology (USSP) , Urbino, Italy. (July 2012)
 Guest Professor, Urbino Summer School in Paleoclimatology. Helped organize and operate the Urbino Summer School in Paleoclimatology (USSP) in Urbino, Italy. This is a 3 week course designed to train graduate students (~80) in the field of Paleoclimatology from around the world. Sponsored largely by the European Science Foundation. See http://www.uniurb.it/ussp/, Urbino Italy. (July 13 - August 05)
Positions Held
 Editorial Board, Geo-Marine Letters, Springer Verlag. (2009 - 2009)

 Scientific Board Member, Research Center on Ocean Margins (Bremen, Germany). (2009 - 2009)

 Panel Member, Science Foundation of Ireland (Geosciences). (2009 - 2009)

 Panel Member, Integrated Ocean Drilling Program (IODP). (2009 - 2009)

 Chief Editor, Paleoceanography, American Geophysical Union. (2009 - 2009)

 Chief Editor, Paleoceanography, American Geophysical Union. (2007 - 2007)

 Member, Science Steering Evaluation Panel, Integrated Ocean Drilling Program (IODP). (2005 - 2005)

 Chief Editor, Paleoceanography, American Geophysical Union. (2006 - 2006)

 Chief Editor, Paleoceanography, American Geophysical Union. (2008 - 2008)

 Board Member, Research Center on Ocean Margins (RCOM) at U. Bremen. (2005 - 2005)

 Editorial Board, Geo-Marine Letters, Springer Verlag. (2008 - 2008)

 Guest Associate Editor, Journal of Geophysical Research, American Geophysical Union. (2006 - 2006)

 Guest Associate Editor, Journal of Geophysical Research, American Geophysical Union. (2007 - 2007)

 Editorial Board, Geo-Marine Letters, Springer Verlag. (2007 - 2007)

 Editorial Board, Geo-Marine Letters, Springer Verlag. (2006 - 2006)

 Scientific Board Member, Research Center on Ocean Margins (Bremen, Germany). (2008 - 2008)

 Scientific Board Member, Research Center on Ocean Margins (Bremen, Germany). (2007 - 2007)

 Scientific Board Member, Research Center on Ocean Margins (Bremen, Germany). (2006 - 2006)

 Panel Member, Science evaluation and Steering Committee, Ocean Drilling Consortium. (2008 - 2008)

 Panel Member, Science evaluation and Steering Committee, Integrated Ocean Drilling Program. (2006 - 2006)

 Panel Member, Science evaluation and Steering Committee, Integrated Ocean Drilling Program. (2007 - 2007)