Publications

* denotes student or post-doc of Derek Sawyer

Peer-Reviewed Journal Articles:

Gulick, S.P.S., Reece, R.S., Sawyer, D.E., Christeson, G. L. and Horton, B. K., (in press), Effect of Seismicity and Tectonic-Glacial Interactions on Submarine Megaslides, Geophysical Research Letters.

Sawyer, D. E., R. Urgeles, C. Lo Iacono, 2023, 50,000 years of recurrent volcaniclastic megabed deposition in the Marsili Basin, Tyrrhenian Sea, Geology, doi: https://doi.org/10.1130/G51198.1.

Chu, M., Strasser, M., Ikehara, K., Everest, J., Maeda, L., Hochmuth, K., Xu, L., McNichol, A., Bellanova, P., Rasbury, T., Koelling, M., Riedinger, N., Johnson, J., Luo, M., Marz, C., Straub, S., Jitsuno, K., Brunet, M., Cai, Z., Cattaneo, A., Hsiung, K., Ishizawa, T., Itaki, T., Kanamatsu, T., Keep, M., Kioka, A., McHugh, C., Micallef, A., Pandey, D., Proust, J,N., Satoguchi, Y., Sawyer, D.E., Seibert, C., Silver, M., Virtasalo, J., Wang, Y., Wu, T.-W., Zellers, S., and Bao, R., 2023, Earthquake-enhanced dissolved carbon cycles in ultra-deep ocean sediments, Nature Communications, 14, 5427 (2023). https://doi.org/10.1038/s41467-023-41116-w

*Lenz, B. L., W. A. Griffith, and D. E. Sawyer, 2023, Impact-Induced Seafloor Deformation from Submarine Landslides: Diagnostic of Slide Velocity, Geophysical Research Letters. https://doi.org/10.1029/2023GL104818

+Portnov, A., K. You, P. Flemings, A. Cook. M. Heidari, D. E. Sawyer, and S. Bunz, 2023, Dating submarine landslides using the transient response of gas hydrate stability, GEOLOGY, https://doi.org/10.1130/G50930.1.

*Fillingham, J. N., Sawyer, D. E. and Bécel, A., 2022, Undulating Sediments of the Cape Fear Submarine Landslide system, offshore US Atlantic Margin: Sediment Waves versus Creep Deformation, Interpretation, Volume 10, Issue 4. https://doi.org/10.1190/INT-2021-0183.1

*Martinez, G. O., Sawyer, D. E., and Portnov, A., 2022, Seismic Geomorphology of the Chandeleur Submarine Landslide in the Northern Gulf of Mexico, Geological Society of London, Special Publications, Volume 525, Issue 1. https://doi.org/10.1144/SP525-2021-1

*Lenz, B. L., and D. E. Sawyer, 2021, Mass Transport Deposits in Reflection Seismic Data Offshore Oregon, USA, Basin Research, https://doi.org/10.1111/bre.12611.

*Browning, T. N., and Sawyer, D. E., 2021, Vulnerability to watershed erosion and coastal deposition in the tropics, Scientific Reports, 11, no. 885, https://doi.org/10.1038/s41598-020-79402-y.

*Portnov, A., A. E. Cook, M. Heidari, D.E. Sawyer, M. Santra, and M. Nikolinakou, 2020, Salt-driven evolution of a gas hydrate reservoir in Green Canyon, Gulf of Mexico, AAPG Bulletin, 104 (9): 1903–1919, https://doi.org/10.1306/10151818125.

*Browning, T.N., Sawyer, D.E., Brooks, G.R., Larson, R.A., Ramos-Scharrón, C., and Canals-Silander, M., 2019, Widespread Deposition in a Coastal Bay Following Three Major 2017 Hurricanes (Irma, Jose, and Maria), Scientific Reports, Scientific Reports, v. 9, no. 1, p. 7101, https://doi.org/10.1038/s41598-019-43062-4.

Sawyer, D.E., *Mason, R. A., Cook, A. E., and *Portnov, A., 2019, Submarine Landslides Induce Massive Waves in Subsea Brine Pools, Scientific Reports, 9:128, DOI:10.1038/s41598-018-36781-7.

*Lenz, B.L., Sawyer, D.E., Phrampus, B., Davenport, K., and Long, A., 2018, Seismic Imaging of Seafloor Deformation Induced by Impact from Large Submarine Landslide Blocks, Offshore Oregon, Geosciences, v. 9, no. 10, doi:10.3390/geosciences9010010.

Hill, J. C., Brothers, D. S., Hornbach, M. J., Sawyer, D. E., Shillington, D. J., and Bécel, A., 2018, Subsurface controls on the development of the Cape Fear Slide Complex, central US Atlantic Margin: Geological Society, London, Special Publications, v. 477, doi: https://doi.org/10.1144/SP477.17.

Sawyer D. E., R. S. Reece, S. P. S. Gulick, and *B. L. Lenz (2017), Submarine landslide and tsunami hazards offshore southern Alaska: Seismic strengthening versus rapid sedimentation, Geophysical Research Letters, 44, doi:10.1002/2017GL074537.

Wemple, B. C., *Browning, T., Ziegler, A. D., Celi, J., Chun, K. P. (S)., Jaramillo, F., Leite, N. K., Ramchunder, S. J., Negishi, J. N., Palomeque, X., and Sawyer, D.E., (2017), Ecohydrological Disturbances Associated with Roads: Current Knowledge, Research Needs and Management Concerns with Reference to the Tropics, Ecohydrol., doi: 10.1002/eco.1881.

*Hillman, J.T., A.E. Cook, D.E. Sawyer, H.M. Kucuk, and D.S. Goldberg, (2017), The Character and Amplitude of ‘Discontinuous’ Bottom-Simulating Reflections in Marine Seismic Data, Earth and Planetary Science Letters. 459, 157-169, doi:http://dx.doi.org/10.1016/j.epsl.2016.10.058.

*Moore, Z. T., and D. E. Sawyer, (2016), Assessing post-failure mobility of submarine landslides from seismic geomorphology and physical properties of mass transport deposits: an example from seaward of the Kumano Basin, Nankai Trough, offshore Japan, Marine Geology, Vol.374, pp. 73-84.

*Browning, T.N., D.E. Sawyer, G.R. Brooks, R.A. Larson, B. O’Donnell, J. Hadfield (2016), Linking Land and Sea: Watershed Evaluation and Mineralogical Distribution of Sediments in Eastern St. John, USVI, Caribbean Journal of Science, V. 49, No. 1, pp. 38-56.

Sawyer, D. E., and J. R. DeVore (2015), Elevated shear strength of sediments on active margins: Evidence for seismic strengthening, Geophys. Res. Lett., 42, doi:10.1002/2015GL066603.

Cook, A. E., and D. E. Sawyer (2015), The mud-sand crossover on marine seismic data, Geophysics, 80(6), A109-A114, doi:10.1190/geo2015-0291.1.

Akinci, L. and D.E. Sawyer, (2015), Salt Diapirism and Slope Failure in the Carolina Trough, Eastern North American Margin, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

Devore, J. and D.E. Sawyer, (2015) Shear Strength of Siliciclastic Sediments from Passive and Active Margins (0-100 meters below seafloor): Insights into Seismic Strengthening, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

Sawyer, D.E., and B.N Hodelka, (2015), Tiny fossils, big impact: the role of foraminifera-enriched condensed section in arresting the movement of a large retrogressive submarine landslide in the Gulf of Mexico, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

Moore, Z.T., and Sawyer, D.E., (2014), Data report: particle size analysis of sediments in Nankai Trough, IODP Expedition 338, Site C002, In Strasser, M., Dugan, B., Kanagawa, K., Moore, G.F., Toczko, S., Maeda, L., and the Expedition 338 Scientists, Proceedings of the Integrated Ocean Drilling Program, Volume 338 doi:10.2204/iodp.proc.338.2014.

Sawyer, D.E., P.B. Flemings, and M. Nikolinakou, (2013), Continuous deep-seated slope failure recycles sediments and limits levee height in submarine channels, Geology, doi:10.1130/G34870.1.

Sawyer, D. E., P. B. Flemings, D. Mohrig, and J. Buttles, (2012), Mudflow Transport Behavior and Deposit Morphology: Role of Shear Stress to Yield Strength Ratio in Subaqueous Experiments, Marine Geology, 307-310, pp 28-39, doi:10.1016/j.margeo2012.01.009.

Yamamoto, Y., and Sawyer, D.E., 2012, Systematic Variations in the Fabric and Physical Properties of Mass-Transport Deposits in the Ursa Region, Northern Gulf of Mexico, Ch. 58., Y. Yamada et al. (eds.), Submarine Mass Movements and Their Consequences, Advances in Natural and Technological Hazards Research 31, DOI 10.1007/978-94-007-2162-3_58, p. 649-658.

Urgeles, R., Locat, J., Sawyer, D.E., Flemings, P. B., Dugan, B., and Binh, N.T.T., (2010), History of Pore Pressure Build Up and Slope Instability in Mud-Dominated Sediments of Ursa Basin, Gulf of Mexico Continental Slope, In: D.C. Mosher et al. (Editors), Submarine Mass Movements and Their Consequences, Advances in Natural and Technological Hazards Research. Springer, Dordrecht, pp. 179-190.

Sawyer, D. E., P. B. Flemings, B. Dugan, and J. T. Germaine (2009), Retrogressive failures recorded in mass transport deposits in the Ursa Basin, Northern Gulf of Mexico, J. Geophys. Res., 114, B10102, doi:10.1029/2008JB006159.

Sawyer, D.E., R. Jacoby, P.B. Flemings, and J. T. Germaine, (2008), Data report: particle size analysis of sediments in the Ursa Basin, IODP Expedition 308 Sites U1324 and U1322, northern Gulf of Mexico, In Flemings, P.B., Behrmann, J.H., John, C.M., and the Expedition 308 Scientists, Proc. IODP, 308: College Station, TX (Integrated Ocean Drilling Program Management International, Inc.) doi:10.2204/iodp.proc.308.205.2008.

Flemings, P. B., H. Long, B. Dugan, J. Germaine, C. John, J. H. Behrmann, D.E. Sawyer, and IODP Expedition 308 Scientists, (2008), Pore pressure penetrometers document high overpressure near the seafloor where multiple submarine landslides have occurred on the continental slope, offshore Louisiana, Gulf of Mexico: Earth and Planetary Science Letters, v. 269, p. 309-324.

Sawyer, D.E., P.B. Flemings, R.C. Shipp, and C.D. Winker (2007), Seismic Geomorphology, Lithology, and Evolution of the Late Pleistocene Mars-Ursa Turbidite Region, Mississippi Canyon Area, Northern Gulf of Mexico, AAPG Bulletin, vol. 91, no. 2, p. 215-234.

Conference Proccedings:

Sawyer, D.E., and *B.N Hodelka, (2015), Chapter 48: Tiny fossils, big impact: the role of foraminifera-enriched condensed section in arresting the movement of a large retrogressive submarine landslide in the Gulf of Mexico, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

*Akinci, L. and D.E. Sawyer, (2015), Chapter 39: Salt Diapirism and Slope Failure in the Carolina Trough, Eastern North American Margin, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

*Devore, J. and D.E. Sawyer, (2015), Chapter 17: Shear Strength of Siliciclastic Sediments from Passive and Active Margins (0-100 meters below seafloor): Insights into Seismic Strengthening, in proceedings of the 7^th International Symposium on Submarine Mass Movements and Their Consequences, 2015.

Yamamoto, Y., and Sawyer, D.E., (2012), Systematic Variations in the Fabric and Physical Properties of Mass-Transport Deposits in the Ursa Region, Northern Gulf of Mexico, Ch. 58., Y. Yamada et al. (eds.), Submarine Mass Movements and Their Consequences, Advances in Natural and Technological Hazards Research 31, DOI 10.1007/978-94-007-2162-3_58, p. 649-658.

Sawyer, D.E., Flemings, P.B., Dugan, B., Shipboard Scientific Party, IODP Expedition 308, (2007), Lateral Variations in Core, Log, and Seismic Attributes of a Mass Transport Complex in the Ursa Region, IODP Expedition 308, Northern Gulf of Mexico, Proceedings of the Offshore Technology Conference, Houston, Texas, April 30-May 3, 2007, OTC Paper #19098.

Dugan, B., Flemings, P.B., Sawyer, D.E., Iturrino, G.J., Moore, J.C., Schneider, J., (2007), Physical Properties of Stacked Slumps in the Ursa Region, Northern Gulf of Mexico (IODP Expedition 308) Determined from Log, Core, and Seismic Data, Proceedings of the Offshore Technology Conference, Houston, Texas, April 30-May 3, 2007, OTC Paper #18704.

Myers, G., C. Winker, B. Dugan, C. Moore, D.E. Sawyer, P. Flemings, G. Iturrino, (2007), Ursa basin explorers shine new light on shallow water flow, Offshore Engineer, Sept., 88-93.

Flemings, P.B., Germaine, J., Long, H., Dugan, B.D., Sawyer, D.E., Behrmann, J., John, C., and the Shipboard Scientific Party, IODP Expedition 308, (2006), Measuring Temperature and Pressure with the temperature two Pressure (T2P) Probe in the Ursa Basin, Gulf of Mexico: Development of a New Pressure and Temperature Probe for the IODP, Offshore Technology Conference Paper # 17957.