LEILA J. HAMDAN
Division of Coastal Sciences; University of Southern Mississippi
703 East Beach Drive, Ocean Springs, MS, USA 39564
Office: (228) 818‑8011 Email: Leila.hamdan@usm.edu
EDUCATION:
Ph.D. 2003 Environmental Science and Policy George Mason University
M.S. 2000 Biology George Mason University
B.S. 1994 Biology Rowan University of New Jersey
PROFESSIONAL APPOINTMENTS:
2016-Present Associate Professor, University of Southern Mississippi, Division of Coastal Sciences, Ocean Springs, MS
2013 – 2016 Assistant Professor, George Mason University, Dept. of Environmental Science and Policy, Manassas, VA
2013 – 2016 Associate Director, Microbiome Analysis Center, George Mason University, Manassas, VA
2007 – 2013 Research Microbial Ecologist, Naval Research Laboratory, Marine Biogeochemistry
Section, Washington, DC
2006 – 2013 Adjunct Professor, Johns Hopkins University, Environmental Sciences and Policy Program, Baltimore, MD
2003 – 2006 National Research Council Postdoctoral Research Associate, Naval Research
Laboratory, Washington, DC
PUBLICATIONS (*denotes student author)
In review:
Salerno, JL, Little, BA, Lee, J, Hamdan, LJ. Impacts of crude oil and chemical dispersant exposure on marine microbial biofilm formation and steel corrosion.
Haridas, D, Biffinger, JC, Boyd, TJ, Fulmer, PA, Hamdan, LJ, Fitzgerald, LA. Laboratory growth of denitrifying microbial consortia from shipwreck sites in the Gulf of Mexico.
In prep:
Hamdan, LJ, Salerno, JL, Fitzgerald, LA, Reed, A, Furukawa, Y, Joye, SB, Damour, M. The impact of the Macondo Blowout on shipwreck associated sediment microbiomes in the northern Gulf of Mexico.
Published:
Lajtha, K, Bai, E, Baisden, T, Berhe, AA, Bowden, B, Brookshire, J, Brozostek, E, Crow, S, Driscol, C, Evans, C, Finlay, J, Fisk, M, Grandy, S, Hamdan, LJ, Harrison, J, Hawkes, C, Kalbitz, K, Kaushal, S, Kramer, M, Matzner, E, Melack, J, Mulder, J, Porder, S, Sanderman, J, Stanley, E, Tank, J, Vile, M, Voss, M, Wieder, K, Ziegler. 2017. Brave new world: Editorial in support of environmental science. Biogeochemistry. 133: 3-5 DOI: 10.1007/s10533-017-0316-y
Hamdan, LJ, Wickland, KP. 2016. Methane emissions from oceans, coasts, and freshwater habitats: New perspectives and feedbacks on climate. Limnol. Oceanogr. 61: S3-S12 DOI: 10.1002/lno.10449
Damour, M, Church, R, Warren, D, Horrell, C, Hamdan, LJ. 2016. Gulf of Mexico-Shipwreck Corrosion, Hydrocarbon Exposure, Microbiology, and Archaeology (GOM-SCHEMA) Project: Studying the Effects of a Major Oil Spill on Submerged Cultural Resources. In Marco Meniketti (ed.) ACUA Underwater Archaeology Proceedings of the 2015 Annual Meeting of the Society for Historical Archaeology, Seattle, WA, pgs. 51–61.
Treude, T, Krause, S*, Schweers, J, Dale, A, Hamdan, LJ. 2014. Sulfate reduction and methane oxidation activity below the sulfate-methane transition zone in Alaskan-Beaufort continental margin sediments: Implications for deep sulfur cycling. Geochim. Cosmochim. Acta 144: 217-237.
Kirchman, DL, Hanson, TE, Cottrell, MT, Hamdan, LJ. 2014. Metagenomic analysis of organic matter degradation in methane-rich Arctic Ocean sediments. Limnol. Oceanogr. 59: 548-559.
Coffin, RB, Hamdan, LJ, Smith, J, Plummer, RE, Yoza, B, Pecher, I, Montgomery, MT. 2014. The Contribution of Vertical Methane Flux to Shallow Sediment Carbon Pools across the Porangahau Ridge, NZ. Energies 7: 5322-5356.
Gilbert, JA, Ball, M, Blainey, P, Blaser, MJ, Bohannan, B, Bateman, A, Bunge, J, Dominguez-Bello, MG, Epstein, S, Fierer, N, Gevers, D, Girkscheit, T, Hamdan, LJ, Harvey, J, Huttenhower, C, Kirkup, B, Kong, H, Lauber, C, Lemon, KP, Lynch, SV, Martin, L, Mello, C, Palma, J, Parker, R, Petrosino, J, Segre, JA, Vosshall, L, Yi, R, Knight, R. 2014. Meeting Report for the 1st skin microbiota workshop, boulder, CO October 15-16 2012. Stand. Genomic Sci. 9:1-7.
Leary, DH, Li, RW, Hervey, WJ, Lebedev, N, Hamdan, LJ, Wang, Z, Deschamps, JR, Kusterbeck, AW, Vora, GJ. 2014. Intergrated metagenomic and metaproteomic analyses of marine biofilms communities. Biofouling 30: 1211-1223.
Hamdan, LJ, Coffin, RB, Sikaroodi, M, Greinert, J, Treude, T, Gillevet, PM. 2013. Ocean currents shape the microbiome of Arctic marine sediments. ISME J. 7: 685-696.
Hamdan, LJ, Sikaroodi, M, Gillevet, PM. 2012. Bacterial community composition and diversity in methane charged sediments revealed by multitag pyrosequencing. Geomicrobiology J. 29:340-351
Howard, EC, Hamdan, LJ, Lizewski, SE, Ringeisen, BR. 2012. High frequency of glucose-utilizing mutants in Shewanella oneidensis MR-1. FEMS Microbiol. Lett. 327: 9-14.
Hamdan, LJ, Fulmer, PA. 2011. Effects of COREXIT® EC9500A on bacteria from a beach oiled by the Deepwater Horizon spill. Aquatic Microbial Ecol. 63: 101-109. (
Feature Article)
Hamdan, LJ, Gillevet, PM, Pohlman, JW, Sikaroodi, M, Greinert, J, Coffin, RB. 2011. Diversity and biogeochemical structuring of bacterial communities across the Porangahau ridge accretionary prism, New Zealand. FEMS Microbiol. Ecol. 77: 518-532.
Schwalenberg, K, Wood, WT, Pecher, I, Hamdan, LJ, Henrys, S, Jegen, M, Coffin, RB. 2010 Preliminary interpretation of CSEM, heatflow, seismic, and geochemical data for gas hydrate distribution across the Porangahau Ridge, New Zealand. Mar. Geol. 272: 89-98
Hamdan, LJ, Gillevet, PM, Sikaroodi, M, Pohlman, JW, Plummer, RE, Coffin, RB. 2008. Geomicrobial characterization of gas hydrate bearing sediments along the mid-Chilean Margin. FEMS Microbiol. Ecol. 65: 15-30
Coffin, RB, Hamdan, LJ, Smith, JP, Gardner, J, Plummer, RE, Wood, WT. 2008. Analysis of methane and sulfate flux in methane-charged sediments from the Mississippi Canyon, Gulf of Mexico. Mar. Petrol. Geol. 25: 977-987
Steen, AD, Hamdan, LJ, Arnosti, C. 2008. Dynamics of dissolved carbohydrates in the Chesapeake Bay: Insights from enzyme activities, concentrations, and microbial metabolism. Limnol. Oceanogr. 53: 936-947
Boyd, TJ, Smith, DC, Apple, JK, Hamdan, LJ, Osburn, CL, Montgomery, MT. 2008. Evaluating PAH biodegradation relative to bacterial carbon demand in coastal ecosystems: Are PAHs truly recalcitrant? In: Microbial Ecology Research Trends. NOVA Sci. Publishers, Inc., Hauppauge, NY
Hamdan, LJ, Jonas, RB. 2007. The use of antibiotics to reduce bacterioplankton uptake of phytoplankton extracellular organic carbon (EOC) in the Potomac River estuary. JEMBE 342: 242-252
Coffin, RB, Pohlman, JW, Gardner, JM, Downer, RC, Wood, WT, Hamdan, LJ, Walker, SE, Plummer, RE, Gettrust, JF, Diaz, J. 2007. Methane hydrate exploration on the mid-Chilean Coast: A geochemical and geophysical survey. J Petrol. Sci. Eng. 56: 32-41
Hamdan, LJ, Jonas RB. 2006. Seasonal and inter-annual dynamics of free-living bacterioplankton and microbially labile organic carbon along the salinity gradient of the Potomac River. Estuaries Coasts 29:40 – 53
SELECTED TECHNICAL REPORTS:
Hamdan, LJ, Fitzgerald, LA, 2013-2016. A Comparative Analysis of an Oil Spill on the Biota Inhabiting Several Gulf of Mexico Shipwrecks. Joint Quarterly Reports for Cooperative Agreement No. M13AC00015; Inter-agency Agreement No. M13PG00020 (9 to date).
Hamdan, LJ, Plummer, RE, Coffin, RB. 2012. Temporal and spatial patterns of water isotope ratios (δ
2H and δ
18O) in municipal tap water as measured by TCEA-IRMS. NRL Report 6110-12-9394.
Coffin, RB, Hamdan, LJ, Smith, JP, Plummer, RE, Millholland, LC, Larson, RC, Wood, WT. 2011. Beaufort Sea methane hydrate exploration: Energy and climate change. NRL Report 6110-11-9330.
Montgomery, MT, Coffin, RB, Boyd, TJ, Hamdan, LJ, Smith, JP, Plummer, RE, Walker, SE, Dittel, A, Masutani, SM, Li, QX, Osburn CL. 2009. Bacterial production and contaminant mineralization in sediments of the Ala Wai Canal, Oahu, Hawai’i. NRL Report 6114-09-9212.
Coffin, RB, Hamdan, LJ, Pohlman, JW, Wood, WT, Pecher, I, Henrys, S, Greinert, J, Faure, K, Gorman, A., Orpin, A. 2007. Geochemical characterization of concentrated gas hydrate deposits on the Hikurangi Margin, New Zealand. NRL Report 6110-08-9085
Walker, SW, Osburn, CL, Boyd, TJ, Hamdan, LJ, Coffin, RB, Smith, JP, Li, QX, Hennessee, C, Monteil, F, Hawari, J, Montgomery, MT. 2006. Mineralization of 2,4,6-trinitrotoluene in coastal waters and sediments. NRL Report 6114-06-10135.
SELECTED PRESENTATIONS:
Invited:
Hamdan, LJ, McGown, C, Gillevet, P, Fitzgerald, LA. 2015. Microbial ecology of Gulf of Mexico Shipwrecks. Society for Historical Archaeology.
Hamdan, LJ, Damour, M, Horrell, C. 2015. Gulf of Mexico SCHEMA: Effects of a major oil spill on submerged cultural resources. Where do we go from here? Society for Historical Archaeology.
Hamdan, LJ. 2014. Oil spill impacts on Gulf of Mexico shipwrecks: Implications for microbial ecology,
archaeology, and ecosystem monitoring. Chesapeake Biological Laboratory, Distinguished
Speaker Series.
Hamdan, LJ, Damour, M, Horrell, C. 2014. Evaluating the scale of oil spill impacts on deepwater shipwrecks in the Gulf of Mexico: From microbiomes to macrostructures. Gulf of Mexico Oil Spill and Ecosystem Sci. Conf.
Hamdan, LJ, Treude, T, Greinert, J, Coffin, RB, Gillevet, PM. 2013. The influence of hydrodynamic dispersal on sediment microbiomes. Center for Dark Energy Biosphere Investigations Annual meeting.
Hamdan, LJ. 2012. Ocean currents shape the microbiome of Arctic sediments and waters. University of Delaware 2012 Fall Invitational Seminar Series.
Hamdan, LJ. 2011. Emerging challenges for integrated ecosystem assessment. CERF, Daytona Beach.
Hamdan, LJ. 2011. Geomicrobiology of marine methane seeps: Case studies from the Chilean margin, Hikurangi margin, and Alaska Beaufort shelf. East Carolina University, Biology Seminar Series.
Hamdan, LJ, Sikaroodi, M., Coffin, RB, Plummer, RE and Gillevet, PM. 2008. Geomicrobial characterization of sediment bacterial communities across the Porangahau Ridge, New Zealand. AGU Fall Meeting.
Hamdan, LJ, Gillevet, PM, Sikaroodi, M, Plummer, RE, Coffin, RB. 2008. Geomicrobial characterization of gas hydrate bearing sediments from the continental margins of Chile and New Zealand. Bodega Marine Laboratory, Riley Seminar Series.
Hamdan, LJ, Jonas, RB, Coffin, RB, Boyd, TJ. 2008. Microbial processes in the lower tidal Potomac River and Chesapeake Bay. George Mason University, PEREC Inaugural Seminar Series.
Hamdan, LJ, Osburn, CL, Coffin, RB, Jonas, RB, Boyd, TJ. 2007. The role of phytoplankton production and bacterioplankton metabolism of autochthonous DOC in three North American estuaries, Smithsonian Environmental Research Center.
Contributed:
Hamdan, LJ, Salerno, JL, Blackwell, CA*, Little, B, McGown, C*, Fitzgerald, LA, Damour, M. 2016. Microbial stowaways: Addressing oil spill impacts and the artificial reef effect on deep-sea microbiomes. ASLO-AGU Ocean Sciences Meeting.
Damour, M, Salerno, JL, McGown, C*, Blackwell, CA*, Church, RL, Warren, DA, Horrell, C, Jordan, B, Moore, J, Hamdan, LJ. 2016. Historic shipwrecks as ecosystem monitoring platforms in the wake of Deepwater Horizon? Results of the Gulf of Mexico Shipwreck Corrosion, Hydrocarbon Exposure, Microbiology, and Archaeology (GOM-SCHEMA) project. ASLO-AGU Ocean Sciences Meeting.
Salerno, JL, Little, B, Lee, J, Ray, R, Hamdan, LJ. 2016 Conserving archaeological sites as biological and historical resources in the Gulf of Mexico: the effects of crude oil and dispersant on the biodiversity and corrosion potential of shipwreck bacterial biofilms. ASLO-AGU Ocean Sciences Meeting.
Liu, S, Reyna, NE, Hamdan, LJ, Liu, Z. 2016. Effects of Chemical Structure on Hydrolysis Pathways of Small Peptides in Coastal Seawater. ASLO-AGU Ocean Sciences Meeting.
Hamdan, LJ, Salerno, JL, Church, RL, Warren, DA, Fitzgerald, LA, Damour, M. 2016. Shipwrecks of opportunity: Monitoring oil spill impacts on deep reef ecosystems in the Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Sci. Conf.
Blackwell, CA*, Salerno, JL, Hamdan, LJ. 2015. A comparison of community composition and metabolic diversity of aqueus, sediment, and Lophelia pertusa microbiomes. Coastal and Estuarine Research Federation 22nd Biennial Conference.
Salerno, JL, Little, B, Lee, J, Ray, R, Hamdan, LJ. Effects of crude oil and dispersant on microbially-mediated shipwreck corrosion in the Gulf of Mexico. Coastal and Estuarine Research Federation 22nd Biennial Conference.
Hamdan, LJ, Fitzgerald, LA, Blackwell, C, McGown, C, Horrell, C, Gillevet, P, Reed, AH, Boyd, TJ, Damour, M. 2015. Analysis of oil spill impacts on shipwrecks: Implications for archaeology, microbial ecology, and ecosystem monitoring. Gulf of Mexico Oil Spill and Ecosystem Sci. Conf.
Hamdan, LJ. 2013. Microbial cipher: Translating prokaryotic community data to explore change in aquatic ecosystems. Coastal and Estuarine Research Federation 21st Biennial Conference.
Leary, D, Hervey, JW, Li, RW, Lebedev, N, Hamdan, LJ, Deschamps, JR, Kusterbeck, AW, Vora, GV. Metagenomic and metaproteomic analyses of marine biofilms. ISME-13.
Treude, T, Krause, S, Hamdan, LJ, Schweers, J, Coffin, RB. 2012. Decoupled anaerobic oxidation of methane and sulfate reduction within the methanogenic zone of Arctic Sediments? EGU.
Hamdan, LJ, Sikaroodi, M, Greinert, J, Treude, T, Coffin, RB, Gillevet, PM. 2011. Hydrographic patterns in microbial communities in density stratified Alaska Beaufort Shelf. AGU Fall Meeting.
Hamdan, LJ, Jonas, RB. 2011. It’s a small world: Microbial ecology, ecosystem function and change in aquatic environments. CERF. (Session Convener)
Howard, EC, Hamdan, LJ, Biffinger, JC, Ringeisen, BR. 2011. Further study on glucose use by Shewanella oneidensis in microbial fuel cells. ACS.
Fulmer, PA, Hamdan, LJ. 2010. Effects of COREXIT EC9500A on bacterial communities influenced by the Deepwater Horizon oil spill. AGU Fall Meeting.
Hamdan, LJ, Sikaroodi, M, Coffin, RB, Plummer, RE and Gillevet, PM. 2009. Diversity and biogeochemical structuring of sediment microbial communities across the Porangahau Ridge, New Zealand. CERF.
Lorenson, TD, Greinert, J, Hutten, E, Hamdan, LJ, Coffin, RB, Rose, K, Wood, WT. 2009. Methane in sediment and bottom water of the Alaskan Beaufort sea. AGU Fall Meeting.
Hamdan, LJ, Osburn, CL, Jonas, RB, Apple, JK, Boyd, TJ. 2007. Diel variability in the production and accumulation of autochthonous dissolved organic carbon in the Potomac River estuary. ERF.
Hamdan, LJ, Boyd, TJ, Coffin, RB, Osburn, CL, Jonas, RB. 2005. The role of phytoplankton production and bacterioplankton metabolism of autochthonous DOC in the development of seasonal hypoxia in the Chesapeake Bay. ERF.
Hamdan, LJ, Jonas, RB. 2004. The use of antibiotics to estimate organic carbon release by estuarine phytoplankton. ASM.
Hamdan, LJ, Boyd, TJ, Osburn, CL, Coffin, RB, Jonas, RB. 2004. Phytoplankton production of extracellularly released organic carbon, its composition and bacterial utilization in the Chesapeake Bay and Delaware Bay. ASLO.
Hamdan, LJ and Jonas, RB. 2003. Accumulation and bacterial uptake of dissolved organic carbon in the Potomac River Estuary: What fuels excessive bacterial abundance in the Chesapeake Bay? ASM.
FUNDING:
Submitted:
2017-2021 Bureau of Ocean Energy Management: Gulf of Mexico- Shipwreck Corrosion, Hydrocarbon Exposure, Microbiology and Archaeology – II (SCHEMA-II). PI
2017-2018 NOAA Ocean Exploration Research Prog.: Microbial stowaways: Exploring the influence of shipwrecks on microbial biogeography, dispersal potential and natural selection in deep seafloor ecosystems. Co-PI.
Awarded:
2017 Navy Platform Support Prog: Shipboard operational days - R/V Point Sur. PI ($53K)
2015-2016 Defense Advanced Research Projects Agency : Ultra-high throughput genomic analysis of soil microbes. Co-PI
2015-2017 Office of Naval Research: Carbon fixation pathways from the marine dark biosphere. Investigator
2014-2017 Bureau of Ocean Energy Management: Analysis of an oil spill on the biota inhabiting Gulf of Mexico shipwrecks spanning the 18-20th centuries (Gulf of Mexico- Shipwreck Corrosion, Hydrocarbon Exposure, Microbiology and Archaeology or SCHEMA). PI
2013-2017 Navy Platform Support Prog: Shipboard operational days - R/V Pelican. PI
2013-2014 NSF-Center for Dark Energy Biosphere Investigations: Impacts of hydrodynamic dispersal and environmental variability on deep marine sediment microbiomes. PI
2012-2013 Defense Threat Reduction Agency: 24 month biosurvelyence challenge. Investigator
2012 Naval Research Laboratory: Capital purchase funding - Roche GS-FLX Jr. Pyrosequencer. PI
2009-2012 Naval Research Laboratory – Young Investigator Program: Comparative analysis of microorganisms involved in AOM in marine sediments around the world. PI
2006-2007 Department of Energy: Sediment microbial community diversity compared to geochemical profiles off the coast of New Zealand, Hikurangi Margin. Co-PI
2005-2007 Strategic Environmental Research and Development Program: Biotic and abiotic attenuation of nitrogenous energetic compounds in coastal waters and sediments (ER-1431). Investigator
AWARDS/RECOGNITION:
2016 2017 State Council of Higher Education for Virginia (SCHEV) Rising Star Outstanding Faculty Award Nominee
2015-2016 George Mason University Career Connection Faculty Award Nominee
2011 Panelist –Synthesis Session on Integrated Ecosystem Assessment: Emerging Challenges - 21st Biennial Conference of the Coastal and Estuarine Research Federation
2011 Feature article in Aquatic Microbial Ecology
2011 “Research Advances” feature in the Association for Women in Science winter newsletter
2008-2010 Naval Research Laboratory, Service Award
2009 Naval Research Laboratory - Chemistry Division, Young Investigator Award
2008 Distinguished Role Model – Bodega Marine Laboratory, REU Program
2001-2003 Outstanding Instructor – George Mason University, College of Arts and Sciences
2001 Best Graduate Talk: 16th Biennial Conference of the Estuarine Research Federation
SCIENTIFIC LEADERSHIP:
2017-2019 Co-Chair, Coastal and Estaurine Research Federation 2019 Conference
2016-present Associate Editor, Limnology and Oceanography (Journal Impact Factor 2014 – 3.79)
2009-present Associate Editor, Biogeochemistry (Journal Impact Factor 2014 – 3.48)
2015-2016 Special Editor, Methane emissions from aquatic habitats, Limnology & Oceanography
2005-2016 Chief Scientist on eight ocenographic expeditions
2013-2015 Chair, Scientific Program Committee, Coastal & Estuarine Research Federation 2015 Conference
2009-2012 Secretary, Coastal & Estuarine Research Federation
2008-2010 President, Atlantic Estuarine Research Society
2008-2010 Chair, Education Committee - Coastal & Estuarine Research Federation
SERVICE:
2016-2018 Member, Conference Advisory Committee, Coastal & Estuarine Research Federation
2016-2017 Member, Scientific Program Committee, Aquatic Sciences 2017 Meeting, Association for the Sciences of Limnology and Oceanography (ASLO)
2014-2015 Chair, GMU-ESP Seminar Committee
2014-2015 Supervisor, Radiation Safety – Environmental Sci. and Policy Dept. GMU
2014-present Representative, University-National Ocenographic Laboratory System
2012-present Historian, Atlantic Estuarine Research Society
2011-2015 Member, Member Action Committee – American Geophysical Union, Biogeosci. Section
2012-2013 Vice-chair, Radiation Safety Committee - Naval Research Laboratory
2011-2015 Member, National Response Team – Subsea Dispersant Subcommittee
2010-2013 Member, Publications & Education Committees - Coastal & Estuarine Research Federation
2008-2011 Member, Radiation Safety Committee – Naval Research Laboratory
2008-2010 Member, Governing Board, Coastal & Estuarine Research Federation
2007 Parliamentarian, Atlantic Estuarine Research Society
2004-2006 Treasurer, Atlantic Estuarine Research Society
2000-2003 Student Representative, Atlantic Estuarine Research Society
1999-2003 Student Representative, George Mason University, Environmental Science and Policy
Journal Reviewer: