James W. Jawitz

Environmental Hydrology Laboratory

DEPARTMENTAL RESEARCH AREAS
Remediation of Contaminated Soils, Waters, and Aquifers
Soil Quality/Ecosystem Services
Wetlands and Aquatic Systems

RESEARCH FOCUS
Emphasis on minimizing human impacts on natural hydrologic ecosystems, including watersheds, wetlands, and aquifers. Develops and applies hydro-ecological models to natural and constructed wetlands. Develops techniques for characterization and remediation of contaminated soil and groundwater.

COURSES TAUGHT
CWR 6537 - Contaminant Subsurface Hydrology
SWS 4245/5245 - Water Resource Sustainability
SWS 4932/6932 - Florida Lake Management

SELECT PUBLICATIONS
[HBC]  – Coupled hydrologic and biogeochemical cycles in wetlands [-W], rivers [-R], and managed landscapes [-L]. Includes quantitative ecohydrology
[GQ] – Groundwater quality protection, including contaminated site remediation, field-scale experiments, laboratory experiments, mathematical modeling
[WRS] – Water resource sustainability: Water security for urban and agricultural users; policy and management
[HSI] – Hydrologic science innovations in data analysis and statistics [-D], and new instruments for the field [-F] and laboratory [-L]

Miller, M.L., Bhadha, J.H., O’Connor, G.A., Jawitz, J.W., and Mitchell, J., 2011. Aluminum water treatment residuals as permeable reactive barrier sorbents to reduce phosphorus losses, Chemosphere, In press. [GQ] [HBC-L]

McCray, J.E., Tick, G.R., Jawitz, J.W., Brusseau, M.L., Gierke, J.S., Falta, R.W., Knox, R., Sabatini, D., and Annable, M.D., 2011. Innovative source-zone remediation studies at Hill and Dover AFB:  Lessons learned. Ground Water, doi:10.1111/j.1745-6584.2010.00783.x. [GQ]

Bhadha, J.H., Jawitz, J.W., and Min, J.-H., 2011. Phosphorus mass balance and internal load in an impacted subtropical isolated wetland, Water, Air, & Soil Pollution, doi:10.1007/s11270-010-0673-9. [HBC-W]

Obour, A.K., J.M.B. Vendramini, M.L. Silveira, L.E. Sollenberger, G.A. O'Connor, J.W. Jawitz., 2011. Phosphorus fertilization responses on bahiagrass pastures – Forage production and water quality. Agronomy Journal, 103:324–330, doi:10.2134/agronj2010.0330. [HBC-L]

Obour, A.K., Silveira, M.L., Vendramini, J.M.B., Sollenberger, L.E., O'Connor, G.A., and Jawitz, J.W., 2011. Agronomic and environmental impacts of phosphorus fertilization of low input bahiagrass systems in Florida. Nutrient Cycling in Agroecosystems, 89: 281–290, doi: 10.1007/s10705-010-9393-1. [HBC-L]

Min, J-H., Paudel, R., and Jawitz, J.W., 2011. Mechanistic biogeochemical model applications for Everglades restoration: A review of case studies and suggestions for future modeling needs. Critical Reviews in Environmental Science and Technology, 41: 6, 489 – 516, doi: 10.1080/10643389.2010.531227. [HBC-W]

Basu, N.B., Destouni, G., Jawitz, J.W., Thompson, S.E., Loukinova, N.V., Darracq, A., Zanardo, S., Yaeger, M., Sivapalan, M., Rinaldo, A., and Rao, P.S.C., 2010. Nutrient loads exported from managed catchments reveal emergent biogeochemical stationarity, Geophysical Research Letters, 37, L23404, 1-5, doi:10.1029/2010GL045168. [HBC-R]

Min, J-H., Perkins, D.B., and Jawitz, J.W., 2010. Wetland-groundwater interactions in subtropical depressional wetlands. Wetlands, 30: 997–1006, doi:10.1007/s13157-010-0043-9. [HBC-W]

Paudel, R., Min, J-H., and Jawitz, J.W., 2010. Management scenario evaluation for a large treatment wetland using a spatio-temporal phosphorus transport and cycling model. Ecological Engineering, 36(12): 1627-1638, doi:10.1016/j.ecoleng.2010.06.012. [HBC-W]

Bhadha, J.H., Harris, W.G., and Jawitz, J.W., 2010. Soil phosphorus release and storage capacity from an impacted subtropical wetland, Soil Science Society of America Journal, 74(5): 1816-1825, doi:10.2136/sssaj2010.0063. [HBC-W]

Min, J-H., Paudel, R., and Jawitz, J.W., 2010. Spatially distributed modeling of surface water flow dynamics in the Everglades ridge and slough landscape. Journal of Hydrology, 390: 1-12, doi:10.1016/j.jhydrol.2010.06.023. [HBC-W]

Bhadha, J.H., and Jawitz, J.W., 2010. Characterizing deep soils from an impacted subtropical isolated wetland: Implications for phosphorus storage. Journal of Soils and Sediments, 10(3): 514–525, doi: 10.1007/s11368-009-0151-4. [HBC-W]

Chen, X., and Jawitz, J.W., 2009. Convergence of DNAPL source strength functions with site age. Environmental Science & Technology, 43(24): 9374-9379, doi: 10.1021/es902108z. [GQ]

Padowski, J.C., and Jawitz, J.W., 2009. The future of global water scarcity: Policy and management challenges and opportunities. The Whitehead Journal of Diplomacy and International Relations, 10(2): 99-114. [WRS]

Padowski, J.C., Rothfus, E.A., Klammler, H., Jawitz, J.W., Hatfield, K., and Annable, M.D., 2009. Effect of passive surface water flux meter body shape on water and solute mass flux estimates. Journal of Hydrologic Engineering, 14(12): 1334-1342. doi:10.1061/(ASCE)HE.1943-5584.0000127. [HSI-F]

Zhang, C., Yoon, H., Werth, C.J., Valocchi, A.J., Basu, N.B., and Jawitz, J.W., 2008. Evaluation of simplified mass transfer models to simulate the impacts of source zone architecture on nonaqueous phase liquid dissolution in heterogeneous porous media. Journal of Contaminant Hydrology, 102: 49–60, doi:10.1016/j.jconhyd.2008.05.007. [GQ]

Wang, H., Chen, X., and Jawitz, J.W., 2008. Light transmission visualization methods to quantify nonaqueous phase liquid dissolution dynamics in porous media. Journal of Contaminant Hydrology, 102: 29-38, doi:10.1016/ j.jconhyd.2008.05.003. [HSI-L]

Kaye, A.J., Cho, J., Basu, N.B., Chen, X., Annable, M.D., and Jawitz, J.W., 2008. Laboratory investigation of flux reduction from dense non-aqueous phase liquid (DNAPL) partial source zone remediation by enhanced dissolution. Journal of Contaminant Hydrology, 102: 17-28, doi:10.1016/j.jconhyd.2008.01.006. [GQ]

Basu, N.B., Fure, A.D., and Jawitz, J.W., 2008. Predicting DNAPL dissolution using a simplified source depletion model parameterized with partitioning tracers, Water Resources Research, 44, W07414, doi:10.1029/2007WR006008. [GQ]

Chen, X., and Jawitz, J.W., 2008. Reactive tracer tests to predict dense nonaqueous phase liquid dissolution dynamics in laboratory flow chambers. Environmental Science & Technology, 42: 5285-5291. [GQ]

Basu, N.B., Fure, A.D., and Jawitz, J.W., 2008. Simplified groundwater contaminant source depletion models as mathematical analogs of complex multiphase simulators. Journal of Contaminant Hydrology, 97: 87–99. [GQ]

Quadri, G, Chen, X., Jawitz, J.W., Tambone, F., Genevini, P., Faoro, F., Adanai, F., 2008. Bio-based surfactant-like molecules from organic wastes: the effect of waste composition and composting process on surfactant properties and on the ability to solubilize tetrachloroethene (PCE).  Environmental Science & Technology, 42: 2618–2623. [GQ]

Basu, N.B., Rao, P.S.C., Falta, R.W., Annable, M.D., Jawitz, J.W., and Hatfield, K., 2008. Temporal evolution of DNAPL source and contaminant flux architecture: Impacts of source mass depletion, Journal of Contaminant Hydrology, 95: 93–109. [GQ]

Cho, J., Annable, M.D., Jawitz, J.W., and Hatfield, K., 2007. Passive flux meter measurement of water and nutrient flux in saturated porous media: Bench-scale laboratory tests. Journal of Environmental Quality, 36: 1266-1272. [HSI-F]

Dunne, E.J., Smith, J., Perkins, D.B., Clark, M.W., Jawitz, J.W. and Reddy, K.R., 2007. Phosphorus storages in historically-isolated wetland ecosystems and surrounding pasture uplands, Ecological Engineering, 31(1): 16-28. [HBC-W]

Klammler, H., Newman, M.A., Szilágyi, E., Padowski, J.C., Hatfield, K., Jawitz, J.W., Annable, M.D., 2007. Initial test results for a passive surface water fluxmeter to measure cumulative water and solute mass fluxes, Environmental Science & Technology, 41: 2485-2490. [HSI-F]

James, A.I., and Jawitz, J.W., 2007. Modeling two-dimensional reactive transport using a Godunov-mixed finite element method, Journal of Hydrology, 338: 28-41. [HBC-W] [HSI-D]

Perkins, D.B., Haws, N.W., Jawitz, J.W., Das, B.S., and Rao, P.S.C., 2007. Mechanized military training impacts on hydraulic characteristics of ridgetop soils in a forested watershed. Ecological Indicators, 7: 589-597. [HBC-R]

Totten, C.T., Annable, M.D., Jawitz, J.W., and Delfino, J.J., 2007. Fluid and porous media property effects on dense non-aqueous phase liquid migration and contaminant mass flux, Environmental Science & Technology, 41(5): 1622-1627. [GQ]

Wang, H., and Jawitz, J.W., 2006. Hydraulic analysis of cell-network treatment wetlands. Journal of Hydrology, 330, pp. 721-734, doi:10.1016/j.jhydrol.2006.05.005. [HBC-W]

Fure, A.D., Jawitz, J.W., and Annable, M.D., 2006. DNAPL source depletion: Linking architecture and flux response. Journal of Contaminant Hydrology, 85, doi:10.1016/j.jconhyd.2006.01.002, pp. 118-140. [GQ]

Wang, H., Jawitz, J.W., White, J.R., Martinez, C.M., and Sees, M., 2006. Rejuvenation of a large municipal treatment wetland. Ecological Engineering, 26, doi: 10.1016/j.ecoleng.2005.07.016, pp. 132–146. [HBC-W]

CONTACT INFORMATION
Soil and Water Science Department, 2169 McCarty Hall, PO Box 110290, University of Florida, Gainesville, Florida 32611
(352) 392.1951 x 203, (352) 392.3902 fax
email: jawitz@ufl.edu
Full Curriculum Vitae