Dr. Timothy Dellapenna

Dr. Timothy Dellapenna
Associate Professor
Department of Marine Sciences
Texas A&M University
1001 Texas Clipper Rd
Bldg 3029, Office 341
Galveston, TX, 77554 USA

E-mail: dellapet@tamug.edu
Phone: (409) 740-4952
Fax: (409) 740-4429
Website: loer.tamug.edu/people/Dellapenna/


  • Ph.D., Marine Science, College of William and Mary, Virginia, 1999
  • M.S., Hydrogeology, Western Michigan University, 1993
  • M.S., Geology, Western Michigan University, 1991
  • B.S., Geology, Michigan State University, Michigan 1986


Coastal marine sedimentology,  applications of high-resolution marine geophysics (e.g., side scan sonar, siesmic reflection surveys).

Research Interests:

Quantification of the record of marine sedimentary processes using physical sedimentary analyses, short-lived radioisotopes and high-resolution marine geophysics.

Courses Taught:

MARS 306: Coastal Sedimentary Geology
IMARS 370: Coastal Processes
MARS 310: Petroleum Geology
GEOL 301: Mineral Resources
MARS 489: Modern Oceanographic Observational and Analysis Methods
MARS/MARB 489: Biology and Geology of Coastal Alaska
MARS 489/689: Remote Field Investigations in Marine Science (Puerto Rico, Hawaii, Alaska)

Selected Publications (student authors underlined):

Google Scholar Citations

Carlin, J.A., Dellapenna, T.M., 2014, Event-driven sedimentation on a low-gradient energy shelf: the Brazos River subaqueous delta, northwestern Gulf of Mexico. Marine Geology, 353, 21-30.

Williams J., Dellapenna, T.M., Lee, G-.H., Louchouarn, P., 2014. Sedimentary impacts of anthrpogenic alterations on the Yeongsan Estuary, South Korea. Marine Geology, 357, 256-271.

Williams J.R., Dellapenna, T.M., Lee, G-.H., 2013, Shifts in depositional environments as a natural response to anthropogenic alterations: Nakdong Estuary, South Korea. Marine Geology, 343, 47-61.

Straus, J., Grossman, E.L., Carlin, J.A., Dellapenna, T.M., 2012, 100 years of benthic foraminiferal history on the inner Texas shelf inferred from fauna and stable isotopes: preliminary results from two cores. Continental Shelf Research, 38, 89-97.

Troiani, B.T, Simms, A.R, Dellapenna, T., Piper, E., Yokoyama, 2011, The importance of sea-level and climate change, including changing wind energy, on the evolution of a coastal estuary: Copano Bay, Texas. Marine Geology, 280 (1-4), 1-12, 12a and 17-19.

Noll, C,J., Dellapenna, T. M., Gilkinson, A.K., and Davis, R.W., 2009. A high-resolution geophysical investigation of sediment distribution controlled by cathcment size and tides in a multi-basin turbid outflow fjord: Simpson Bay, Prince William Sound, AK, Geomarine Letters, 29, 1-16.

Mitra, S., Lalicata, J.J., Allison, M.A., Dellapenna, T.M., 2009. The effects of Hurricanes Katrina and Rita on seabed polycyclic aromatic hydrocarbon dynamics in the Gulf of Mexico. Marine Pollution Bulletin 58 (6), 851-857.

Wells, R.J.D., Harper, J.O., Rooker, J.R., Landry Jr., A.M., Dellapenna, T.M., 2009. Fish assemblage structure on a drowned barrier island in the northwestern Gulf of Mexico. Hydrobiologia 625, 207-221. 

Maddox, J., Anderson, J., Milliken, K., Rodriguez, A., Dellapenna, T., Giosan, L., 2008. The Holocene evolution of the Matagorda and Lavaca estuary complex, Texas, USA (eds.) Anderson, J.B, Rodriguez, A.B. (In) Response of Upper Gulf Coast Estuaries to Holocene Climate Change and Sea-Level Rise. Geologic Society of America Special Paper 443, p. 105-1119.

Dellapenna, T.M., Allison, M.A., Gill, G.A., Lehman, R.D., Warnken, K.W., 2006, The impact of shrimp trawling and associated sediment resuspension in mud dominated, shallow estuaries. Estuarine, Coastal and Shelf Science 69 (3-4), 519-530.

Warnknen, K.W., Gill, G.A., Dellapenna, T.M., Lehman, R.D., Harper, D.E., Allison, M.E., 2003, The effects of shrimp trawling on sediment oxygen consumption and the fluxes of trace metals and nutrients from estuarine sediments. Estuarine, Coastal and Shelf Science 57 (1-2), 25-42.

Dellapenna, T. M., Kuehl, S.A., Schaffner, L.C., 2003, Ephemeral deposition, seabed mixing and fine-scale strata formation in the York River esutary, Chesapeake Bay. Estuarine, Coastal and Shelf Science 58 (3), 621-643.

Kineke, G.C., Woolfe, K.J., Kuehl, S.A., Milliman, J.D., Dellapenna, T.M., Purdon, R.G., 2000. Sediment export from the Sepik River, Papua New Guinea: evidence for a divergent sediment plume. Continental Shelf Research 20 (16), 2239-2266.

Dellapenna, T.M., Kuehl, S.A., Schaffner, L.C., 1998, Sea-bed mixing and particle residence times in biologically and physically dominated estuarine systems: a comparison of lower Chesapeake Bay and the York River subestuary, Estuarine, Coastal and Shelf Science 46 (6) 777-795.


To the top