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College of Sciences

Marine, Earth, and Atmospheric Sciences

David Genereux

Professor

5135 Jordan Hall, NC State University, Raleigh NC 27695-8208

919-515-6017

Bio

Field work in NC with PhD student Troy Gilmore
Field work in NC with PhD student Troy Gilmore
Field work in Costa Rica, post-doc Diana Oviedo Vargas
Field work in Costa Rica, post-doc Diana Oviedo Vargas

Since 2000 I have been on the faculty at N.C. State University, where I carry out research and teaching in hydrogeology. Prior to that I was a faculty member at Florida International University (FIU) in Miami, where I held joint appointments between the Department of Geology and two research centers: the Drinking Water Research Center and the Southeast Environmental Research Center. From 2009-2014 I was the Associate Director for Research in the Water Resources Research Institute of the University of North Carolina, and I currently chair the Board of Directors of CUAHSI, the Consortium of Universities for the Advancement of Hydrologic Science, Inc. (www.cuahsi.org).

My work in hydrogeology focuses on groundwater – surface water interaction, chemical and isotope hydrogeology, groundwater age, and watershed science. This work has been funded by NSF, USDA, DOE, and other sources, and most of it is accomplished through collaborative efforts with colleagues in ecology, geochemistry, and hydrology. My research is typically field- and lab-based, with use of models to tackle some questions, and has included a range of field settings: the Everglades, forested watersheds in Massachusetts and Tennessee, tropical rainforest in Costa Rica, and agricultural and urban Coastal Plain watersheds in North Carolina. We take a hydrologic approach to quantifying coupled fluxes of water, carbon, nitrogen, and recently, volatile organic compounds.

Recent Publications (*student author  †post-doc author)

Koh, D.C., D.P. Genereux, G.W. Koh, K.S. Ko.  2017.  Relationship of groundwater geochemistry and flow to volcanic stratigraphy in basaltic aquifers affected by magmatic CO2, Jeju Island, Korea.  Chemical Geology 467: 143-158.  doi 10.1016/j.chemgeo.2017.08.009

Gilmore*, T.E., D.P. Genereux, D.K. Solomon, K.M. Farrell, H. Mitasova.  2016.  Quantifying an aquifer nitrate budget and future nitrate discharge using field data from streambeds and well nests.  Water Resources Research, 52: 9046-9065, doi 10.1002/2016WR018976.

Oviedo-Vargas, D., D. Dierick, D.P. Genereux, S.F. Oberbauer.  2016.  Chamber measurements of high CO2 emissions from a rainforest stream receiving old C-rich regional groundwater.  Biogeochemistry, 130: 69-83, doi 10.1007/s10533-016-0243-3.

Heilweil, V., D.K. Solomon, T. Darrah, T.E. Gilmore*, and D.P. Genereux.  2016.  A gas-tracer experiment for evaluating the fate of methane in a coastal plain stream:  Degassing versus in-stream oxidation.  Environmental Science and Technology,  50(19): 10504–10511, doi 10.1021/acs.est.6b02224.

Burnette*, M., D.P. Genereux, F. Birgand.  2016.  In-situ falling-head test for hydraulic conductivity: evaluation in layered sediments of an analysis derived for homogenous sediments.  Journal of Hydrology, 539: 319-329, doi:10.1016/j.jhydrol.2016.05.030.

Gilmore*, T.E., D.P. Genereux, D.K. Solomon, J.E. Solder*. 2016. Groundwater transit time distribution and mean from streambed sampling in an agricultural coastal plain watershed, North Carolina, USA. Water Resources Research, 52, 2025-2044, doi:10.1002/2015WR017600.

Gilmore*, T.E., D.P. Genereux, D.K. Solomon, J.E. Solder*, B.A. Kimball, H. Mitasova, F. Birgand. 2016. Quantifying the fate of agricultural nitrogen in an unconfined aquifer: stream-based observations at three measurement scales. Water Resources Research, 52, 1961-1983, doi:10.1002/2015WR017599.

Solomon, D.K., T.E. Gilmore*, J. Solder*, B. Kimball, D.P. Genereux. 2015. Evaluating an unconfined aquifer by analysis of age-dating tracers in stream water. Water Resources Research,
51, 8883–8899, doi:10.1002/2015WR017602.

Oviedo-Vargas†, D., D.P. Genereux, D. Dierick†, and S.F. Oberbauer. 2015. The effect of regional groundwater on carbon dioxide and methane emissions from a lowland rainforest stream in Costa Rica. Journal of Geophysical Research – Biogeosciences, 120, 2579–2595, doi:10.1002/2015JG003009.

Solder*, J.E., T.E. Gilmore*, D.P. Genereux, and D.K. Solomon. 2015. A tube seepage meter for in situ measurement of seepage rate and groundwater sampling. Groundwater, doi:10.1111/gwat.12388.

Ganong*, C.N., G.E. Small, M. Ardón, W.H. McDowell, D.P. Genereux, J.H. Duff, C.M. Pringle. 2015. Interbasin flow of geothermally-modified groundwater stabilizes stream exports of biologically important solutes against variation in precipitation. Freshwater Science, 34(1): 276–286, doi:10.1086/679739.

Zanon*, C., D.P. Genereux, and S.F. Oberbauer. 2014. Use of a watershed hydrologic model to estimate interbasin groundwater flow in a Costa Rican rainforest. Hydrological Processes, 28: 3670-3680, doi:10.1002/hyp.9917.

Genereux, D.P., L. Nagy*, C.L. Osburn, and S.F. Oberbauer. 2013. A connection to deep groundwater alters ecosystem carbon fluxes and budget: example from a Costa Rican rainforest. Geophysical Research Letters, 40(10): 2066-2070, doi:10.1002/grl.50423.

CV

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Education

BS, Geology/Chemistry, University of Delaware (1984)
MS, Civil Engineering, MIT (1988)
PhD, Hydrology, MIT (1991)