Ronald D. DeLauneRonald D. DeLaune

Position: Professor, Department of Oceanography and Coastal Sciences

Phone: 225-578-6421
Fax: 225-578-6423

Office: 3171 Energy, Coast and Environment Building

Bachelor's Degree(s): B.S. Agronomy, Louisiana State University, 1965
Master's Degrees(s): M.S. Agronomy, Louisiana State University, 1968

Ph.D.(s): Ph.D. Soil Chemistry, University of Wageningen, The Netherlands, 1988

Biosketch: Biosketch of Ronald D. DeLaune



Biogeochemical cycling, Wetland Biogeochemistry, coastal processes, non-point source pollution, coastal restoration, soil-plant interactions, coastal marsh stability, sedimentation processes, wetland plant ecology, degradation and bioremediation of toxic organics, heavy metal chemistry, ecotoxicology, greenhouse gases.


CCEER Distinguished Faculty Award, 1999
Fellow Soil Science Society of America 2001
Highly Citation Metrics -Research ID Labs 2012


Click here for a full list of R.D. DeLaune’s Publicatons or e-mail Dr. DeLaune if you would like to request a hard copy of a publication.

Chaves, M.R.M., K.T. Valsaraj, R.P. Gambrell, R.D. DeLaune, and P.M. Buchler. 2012. Mercury uptake by modified Mackinawite. Journal of soil and sediment contamination: An international journal. (DOI: 10.1080/15320383.2012.714424. In Press

Day J., R. Hunter, R.E. Keim, R.D. DeLaune, G. Shaffer, E. Evers, D. Reed, C. Brantley, P. Kemp, J. Day, and M. Hunter. 2012. Ecological response of forested wetlands with and without large-scale Mississippi River input: Implications for management. Ecological Engineering. 46. 57-67.

Dodla, S.K., J.J. Wang, and R.D. DeLaune. 2012. Characterization of labile organic carbon in coastal wetland soils of the Mississippi River deltaic plain: Relationships to carbon functionalities. Science of The Total Environment. 435–436:151–158.

Nawaz, R., P. Parkpain, H. Garivait, P. Anurakponsatorn, R.D. DeLaune, and A. Jugsujinda. 2012. Impacts of acid rain on base cations, aluminum and acidity development in highly weathered soils of Thailand. Communications in Soil Science and Plant Analysis. 43(10):1382-1400.

Noicharoen, D., P. Parkpain, O.V. Shipin, C. Polprasert, R.D. DeLaune, and M. Kongchum. 2012. Effect of salinity on adsorption and desorption of paraquat in Pak Phanang river sediment, Thailand. Journal of Environmental Science and Health, Part A. 47(12):1897-1908.

Pezeshki S.R. and R.D. DeLaune. 2012. Soil oxidation-Reduction in Wetland and its Impact on Plant Functioning. Biology. 1(2):196-221. DOI:10.3390/biology1020196.

Seo, D.C., R. D. DeLaune, Robert R. Lane, and John W. Day. 2012. Determination of Initial Denitrification in Intact Cores under Various Freshwater Wetland Types. Korean J. Soil Sci. Fert. 45(1):20-24.

VanZomeren, C.M., J.R. White, and R.D. DeLaune. 2012. Fate of Nitrate in Vegetated Brackish Coastal Marsh. Soil Sci. Soc. Am. J. 76(5): 1919-1927.

Yu, K. and R.D. DeLaune. 2012. A comparison analysis of edge-of-field run-off from two sugarcane fields. Archives of Agronomy and Soil Science. 58(1):51-59.

Zhang Wen, J.R. White, and R.D. DeLaune. 2012. Diverted Mississippi River Sediment as a Potential Phosphorus Source to Coastal Louisiana Water Quality. J. Freshwater Ecology. DOI:10.1080/02705060.2012.687698.

Chaves, M.R.M., K.T. Valsaraj, R.D. DeLaune, R.P. Gambrell, and P.M. Buchler. 2011. Mercury uptake by biogenic silica modified with L-Cysteine. Environmental Technology. Environ. Techno. 32(14): 1615-1625.

DeLaune, R.D. and A. Wright. 2011. Projected Impact of Deepwater Horizon Oil Spill on U.S. Gulf Coast Wetlands. SSSAJ.75(5): 1602-1612.

DeLaune, R.D. and J.R. White. 2011. Will coastal wetlands continue to sequester carbon in response to increase in global sea level? A case study of the rapidly subsiding Mississippi River Deltaic Plain. Climatic Change 110 (1-2):297-314.

Kongchum, M., M.W. Wascom, M.A. Reams, and R.D. DeLaune. 2011. Water conservation practice for improving water-use policy in irrigated rice. Archives of Agronomy and Soil Science 57(3):261-271.

Kongchum, M., W.H. Hudnall, and R.D. DeLaune. 2011. Relationship between sediment clay minerals and total mercury. J. Environ. Sci. Health, Part A. 46(5):534-539.

Thuithaisong, C., P. Parkpian, O.V. Shipin, R.P. Shrestah, K. Naklang, R.D. DeLaune, and A. Jugsujinda. 2011. Soil Quality Indicators for Predicting Sustainable Organic Rice Production. Communications in Soil Science and Plant Analysis. 42(5): 548-568.

Wang, J.J., S.K. Dodla, R.D. DeLaune, W.H. Hudnall, and R.L. Cook. 2011. Soil Carbon Characteristics in Two Mississippi River Deltaic Marshland Profiles. Wetlands. 31(1):157-166.

Jiamjitrpanich, W., C.Polprasert, P. Parkpian, R.D. DeLaune, and A. Jugsujinda. 2010. Environmental factors influencing remediation of TNT-contaminated water and soil with nanoscale zero-valent iron particles. J. Environ Sci. Health Part A. 45(3):263-274.

Nobuntou, W., P. Parkpian, N.T. Kim Oanh, A. Noomhorm, R.D. Delaune, and A. Jugsujinda. 2010. Lead distribution and its potential risk to the environment: Lesson learned from environmental monitoring of abandon mine. J. Environ. Sci. Health. Part A. 45(13):1702-1714.

Rivera-Monroy, V.H., P. Lenaker, R.R. Twilley, R.D. Delaune, C.W. Lindau, W. Nuttle, E. Habib, R.W. Fulweiler, and E. Castaneda-Moya. 2010. Denitrification in coastal Louisiana: A spatial assessment and research needs. J. Sea Research. 63(3-4):157-172.

Seo, D.C. and R.D. DeLaune. 2010. Effect of redox conditions on bacterial and fungal biomass and carbon dioxide production in Louisiana coastal swamp forest sediment. Science of Total Environment 408(17):3623-3631.

Seo, D.C. and R.D. DeLaune. 2010. Fungal and bacterial mediated denitrification in Wetlands: Influence of sediment redox condition. Water Research. 44(8):2441-2450.

Seo, D.C., R.D. DeLaune, M.J. Han, Y.C. Lee, S.B. Bang, E.J. Oh, J.H. Chae, K.S. Kim, J.H. Park, J.S. Cho. 2010. Nutrient uptake and release in ponds under long-term Lotus (Nelumbo nucifera) cultivation: Influence of compost application. Ecological Engineering 36(10):1373-1382.

Tobias, V.D., J.A. Nyman, R.D. DeLaune, and J.D. Foret. 2010. Improving marsh restoration: Leaf tissue chemistry identifies factors limiting production in Spartina patens. Plant Ecology. 207(1): 141-148.

Yu, K., D.C. Seo, and R.D. DeLaune. 2010. Incomplete acetylene inhibition of nitrous oxide reduction in potential dentrification assay as revealed by using 15N-nitrated tracer. Communications in Soil Science and Plant Analysis 41(18):2201-2210.



DeLaune, R.D., K.R. Reddy, and C.J. Richardson. Current. Methods in Biogeochemistry of Wetlands. (In Press)

Reddy, K.R. and R.D. DeLaune. 2008. Biogeochemistry of Wetlands: Science and Applications. Boca Raton: CRC Press. Includes 19 Chapters. 819 pp. ISBN: 978-156670-678-0

Recent Book Chapters:

Chaves, M.R.M., K.T. Valsaraj, R.D. DeLaune, R.P. Gambrell, and P.M. Buchler. 2011. Modification of Mackinawite with L-Cysteine: Synthesis, Characterization, and Implications to Mercury Immobilization in Sediment, In: Ginsberg S.S., editor. Sediment Transport. Nw York: InTech. p. 313-334. Isbn – 978-953-307-189-3 In: Tech, Available from: DOI: 10.5772/15041

DeLaune, R.D. and D.C. Seo. 2011. Heavy metals Transformation in Wetlands. In: Magdi S.H., editor. Dynamics and bioavailability of heavy metals in the rootzone. Boca Raton, Fl.: CRC Press. p. 219-244.

Rivera-Monroy, Victor. H., R.D. Delaune, A.B. Owens, J.Visser, J.R. White, R. R. Twilley , H. Hernandez- Trejo, J.A. Benitez. 2011. Removal of Physical Materials from Systems: 1. Loss of Space, Area, and Habitats. In: Wolanski E., McLusky D.S., editors. Treatise on Estuarine and Coastal Science. Waltham: Academic Press. Vol 8, p. 185–215.