CURRENT CONDITIONS

Current streamflow conditions in Florida.

View a detailed map.

MODELING PROGRAM

by Geographic Area of Investigation
by Research Scientist

OPPORTUNITIES

for Students
for Prospective Employees
for Volunteers

Geographic Area of Investigation

STATEWIDE

Fish, J.E., 1980, Calculation of source flows from geochemical mixing models of variable-flow karst systems: Geological Society of America, v. 12, no. 7.

Krause, R.E., 1982, Digital model evaluation of the predevelopment flow system of the Tertiary limestone aquifer, southeast Georgia, Florida, and southern South Carolina: U.S. Geological Survey Water-Resources Investigations Report 82-173, 27 p.

Land, L.F., 1977, Utilizing a digital model to determine the hydraulic properties of a layered aquifer: Ground Water, v. 15, no. 2.

Merritt, M.L., and Konikow, K.F., 2000, Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground-water flow model and the MOC3D solute-transport model: U.S. Geological Survey Water-Resources Investigations Report 00-4167, 146 p.

Planert, Michael, 1997, Documentation of a computer program to estimate the head in a well of finite radius using the U.S. Geological Survey modular finite difference ground-water flow model: U.S. Geological Survey Open-File Report 96-651-A, 11 p.

Seaburn, G.E., Jennings, M.E., and Merritt, M.L., 1979, Evaluation of a digital model of estuarine water quality simulation in waste allocation studies: U.S. Geological Survey Water-Resources Investigations Report 78-54, 50 p.

Sepulveda, Nicasio, 2001, Comparisons Among Ground-Water Flow Models and Analysis of Discrepancies in Simulated Transmissivities of the Upper Floridan Aquifer in Ground-Water Flow Model Overlap Areas: in U.S. Geological Survey Karst Interest Group Proceedings, St. Petersburg, Florida, February 13-16, 2001, U.S. Geological Survey Water-Resources Investigations Report 01-4011, p.58-67

Sepulveda, Nicasio, 2002, Simulation of Ground-Water Flow in the Intermediate and Floridan Aquifer Systems in Peninsular Florida: U.S. Geological Survey Water-Resources Investigations Report 02-4009, 130 p.

Sonenshein, R.S., 1996, Documentation of programs used to determine hydroperiod from model-simulated water-surface elevations: U.S. Geological Survey Open-File Report 96-455, 47 p.

Swain, E.D., 1993, Documentation of a computer program (streamlink) to represent direct-flow connections in a coupled ground-water and surface-water model: U.S. Geological Survey Water-Resources Investigations Report 93-4011, 62 p.

Swain, Eric D. and Chin, David A., 2003, An analytical formulation of two-dimensional groundwater dispersion induced by surficial recharge variability: Water Resources Research, v. 39, no. 9, 1271

Swain, E.D., and Wexler, E.J., 1993, A coupled surface-water and ground-water flow model for simulation of stream-aquifer interaction: U.S. Geological Survey Open-File Report 92-138, 162 p.

Swain, E.D., and Wexler, E.J., 1996, A coupled surface-water and ground-water flow model (MODBRANCH) for simulation of stream-aquifer interaction: U.S. Geological Survey Techniques of Water-Resources Investigations Report 6-A6, 125 p.

NORTHWEST FLORIDA

Davis, J.H., and Katz, B.G., 2007, Hydrogeologic Investigation, Water Chemistry Analysis, and Model Delineation of contributing Areas for City of Tallahassee Public-Supply Wells, Tallahassee, Florida Scientific Investigations Report 2007-5070, 67 p.

Katz, B.G., Plummer, L.N., Busenberg, E., Revesz, K.M., Jones, B.F., and Lee, T.M., 1995, Chemical evolution of groundwater near a sinkhole lake, northern Florida: 2. Cemical patterns, mass-transfer modeling, and rates of chemical reactions: Water Resources, v. 31, no. 6, p. 1565-1584.

SUWANNEE RIVER WATERSHED

ST. JOHNS RIVER WATERSHED

Davis, J.H., 2000, Fate and Transport Modeling of Selected Chlorinated Organic Compounds at Operable Unit 3, U.S. Naval Air Station, Jacksonville, Florida: U.S. Geological Survey Open-File Report 00-255, 36 p.

Davis, J.H., 2003, Fate and Transport Modeling of Selected Chlorinated Organic Compounds at Hangar 1000, U.S. Naval Air Station, Jacksonville, Florida: U.S. Geological Survey Water-Resources Investigations Report 03-4089, 61 p.

Davis, J.H, 2007, Fate and Transport Modeling of Selected Chlorinated Organic Compounds at Operable Unit 1, U.S. Naval Air Station, Jacksonville, Florida: U.S. Geological Survey Scientific Investigations Report 2007-5043, 43 p.

Sepúlveda, Nicasio, 2006, An Aquifer-Test Preprocessor for the Ground-Water Flow Model Calibration Program MODOPTIM and its Application to a Well Field in Duval County, Florida: U.S. Geological Survey Scientific Investigations Report 2005-5233, 62 p., plus executable files.

Shoemaker, W.B., O'Reilly, A.M., Sepulveda, Nicasio, Williams, S.A., Motz, L.H., and Quing Sun, 2004, Comparison of Estimated Areas Contributing Recharge to Selected Springs in North-Central Florida by Using Multiple Ground-Water Flow Models: Open-File Report 03-448, 31 p.

Tibbals, C.H., 1978, Effects of paved surfaces on recharge to the Floridan aquifer in east-central Florida--a conceptual model: U.S. Geological Survey Water-Resources Investigations Report 78-76, 42 p.

Tibbals, C.H., 1981, Computer simulation of the steady-state flow system of the Tertiary limestone (Floridan) aquifer system in east-central Florida: U.S. Geological Survey Water-Resources Investigations Open-File Report 81-681, 31 p, and 9 sheets.

SOUTHWEST FLORIDA

Hutchinson, C.B., Johnson, D.M., and Gerhart, J.M., 1981, Hydrogeology of well-field areas near Tampa, Florida, phase 1--development and documentation of a two-dimensional finite-difference model for simulation of steady-state ground-water flow: U.S. Geological Survey Open-File Report 81-630, 129 p.

Hutchinson, C.B., 1984, Hydrogeology of well-field areas near Tampa, Florida, phase 2--development and documentation of a quasi-three-dimensional finite-difference model for simulation of steady-state ground-water flow: U.S. Geological Survey Water-Resources Investigations Report 84-4002, 174 p.

Hutchinson, C.B., 1984, Ground-water models as a management tool in Florida: U.S. Geological Survey Water-Resources Investigations Report 84-4016, 26 p.

O’Reilly, A.M., 2004, A Method for Simulating Transient Ground-Water Recharge in Deep Water-Table Settings in Central Florida by Using a Simple Water-Balance/Transfer-Function Model: U.S. Geological Survey Scientific Investigations Report 2004-5195, 49 p.

Robertson, A.F., and Mallory, M.J., 1977, A digital model of the Floridan aquifer north of Tampa, Florida: U.S. Geological Survey Water-Resources Investigations Report 77-64, 29 p.

Ryder, P.D., 1978, Model evaluation of the hydrogeology of the Cypress Creek well field in west-central Florida: U.S. Geological Survey Water-Resources Investigations 78-79, 68 p.

Ryder, P.D., 1982, Digital model of predevelopment flow in the Tertiary limestone (Floridan) aquifer system in west-central Florida: U.S. Geological Survey Water-Resources Investigations Report 81-54, 61 p. (RASA)

Ryder, P.D., Johnson, D.M., and Gerhart, J.M., 1980, Model evaluation of the hydrogeology of the Morris Bridge well field and vicinity in west-central Florida: U.S. Geological Survey Water-Resources Investigations 80-29, 92 p.

Turner, J.F., Jr., 1972, Hydrograph simulation models of the Hillsborough and Alafia Rivers, Florida--a preliminary report: U.S. Geological Survey Open-File Report FL-72025, 107 p.

Turner, J.F., Jr., 1979, Streamflow simulation studies of the Hillsborough, Alafia, and Anclote Rivers, west-central Florida: U.S. Geological Survey Water-Resources Investigations Report 78-102, 161 p.

Yager, Richard M., and Metz. P.A., 2004, Simulated Effects of Ground-Water Augmentation on the Hydrology of Round and Halfmoon Lakes in Northwestern Hillsborough County, Florida: U.S. Geological Survey Water-Resources Investigations Report 03-4322, 50 p.

Yobbi, D.K., 1989, Simulation of steady-state ground water and spring flow in the upper Floridan aquifer of coastal Citrus and Hernando Counties, Florida: U.S. Geological Survey Water-Resources Investigations Report 88-4036, 33 p.

Yobbi, D.K., 2000, Application of Nonlinear Least-Squares Regression to Ground-Water Flow Modeling, West-Central Florida: U.S. Geological Survey Water-Resources Investigations Report 00-4094, 58 p.

Yobbi, D.K., 1996, Analysis and simulation of ground-water flow in the Lake Wales Ridge and adjacent areas of central Florida: U.S. Geological Survey Water-Resources Investigations Report 94-4254, 82 p.

Yobbi, D.D., 1997, Simulation of subsurface storage and recovery of effluent using multiple wells, St. Petersburg, Florida: U.S. Geological Survey Water-Resources Investigations Report 97-4024, 30 p.

Yobbi, D.K., and Halford, K.J., 2006, Numerical Simulation of Aquifer Tests, West-Central Florida: U.S. Geological Survey Scientific Investigations Report 2005-5201, 85 p.

SOUTH FLORIDA

Bales, J.D., Fulford, J.M., and Swain, Eric, 1997, Review of selected features of the natural system model, and suggestions for applications in south Florida: U.S. Geological Survey Water-Resources Investigations Report 97-4039, 42 p.

Cline, J.C., and Swain, E.D., 2002, Linkage of Hydrologic and Ecological Models: SICS and ALFISHES: Second Federal Interagency Hydrologic Modeling Conference, Las Vegas, Nevada, July 28 to August 1, 2002.

Dausman, A., and Langevin, C.D., 2005, Movement of the saltwater interface in the Surficial Aquifer System in response to hydrologic stresses and water-management practices, Broward County, Florida: USGS Scientific Investigations Report: U.S. Geological Survey Scientific Investigations Report 2004-5256, 73 p.

Jennings, M.E., and Mattraw, H.C., Jr., 1976, Comparison of the predictive accuracy of models of urban flow and water-quality processes: National Symposium on Urban Hydrology, Hydraulics, and Sediment Control, Lexington, Ky., July 26-29, 1976, 8 p.

Langevin, C.D., 2001, Simulation of Ground-Water Discharge to Biscayne Bay, Southeastern Florida: .S. Geological Survey Water-Resources Investigations Report 00-4251, 127 p., 3 pls.

Langevin, C.D., 2003, Stochastic ground water flow simulation with a fracture zone continuum model: Ground Water v. 41, no. 5, p. 587-601.

Langevin, C.D., 2003, Simulation of submarine ground water discharge to a marine estuary: Biscayne Bay, Florida: Ground Water v. 41, no. 6, p.758-771.

Langevin, C.D., 2004, Development of Coastal Flow and Transport Models in Support of Everglades Restoration: U.S. Geological Survey Fact Sheet 2004-3130, 4 p.

Langevin, C.D., Shoemaker, W.B., and Guo, Weixing, 2004, MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model-Documentation of the SEAWAT-2000 Version with the Variable-Desity Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT): U.S. Geological Survey Open-File Report 03-426, 43 p.

Langevin, C.D., Swain, E.D., and Wolfert, M.A., 2004, Simulation of Integrated Surface-Water/Ground-Water Flow and Salinity for a Coastal Wetland and Adjacent Estuary: U.S. Geological Survey Open-File Report 2004-1097, 30 p.

Merritt, M.L., 1985, Subsurface storage of freshwater in south Florida: A digital model analysis of recoverability: U.S. Geological Survey Water-Supply Paper 2261, 44 p.

Merritt, M.L., 1992, Representing canals and seasonal inundated wetlands in a ground-water flow model of a surficial aquifer, in Jones, M.E., and Laenen, Antonius, eds., Interdisciplinary Approaches in Hydrology and Hydrogeology: American Institute of Hydrology, p. 31-45.

Miller, R.A., Mattraw, H.C., Jr., and Jennings, M.E., 1978, Statistical modeling of urban storm-water processes, Broward County, Florida: University of Kentucky Bulletin 116, p.269-273.

Miller, R.L., 1978, Application of four input-output models for nutrients in Lake Okeechobee, Florida: U.S. Geological Survey Journal of Research, v. 6, no. 6, p. 821-828.

Miller, R.L., and McPherson, B.F., 1991, Estimating estuarine flushing and residence times in Charlotte Harbor, Florida, via salt balance and a box model: American Society of Limnology and Oceanography, Inc., v. 36, no. 3.

Renken, R.A., Patterson, R.D., Orzol, L.L., and Dixon, Joann, 2001, Approach for Delineation of Contributing Areas and Zones of Transport to Selected Public-Supply Wells Using a Regional Ground-Water Flow Model, Palm Beach County, Florida: U.S. Geological Survey Water-Resources Investigations Report 01-4158, 56 p., plus CD.

Russo, T.N., and McQuivey, R.S., 1975, Simulation of dissolved oxygen and biochemical oxygen demand, Plantation Canal, Broward County, Florida with an evaluation of the QUALI-I model for use in south Florida: U.S. Geological Survey Water-Resources Investigations Report 59-75, 49 p.

Swain, Eric D., 1999, Numerical representation of dynamic flow and transport at the Everglades/Florida Bay interface, Proceedings of the Third International Symposium on Ecohydraulics, Salt Lake City, Utah, July 12-16, 1999.

Swain, E.D., 2005, A Model for Simulation of Surface-Water Integrated Flow and Transport in Two Dimensions: User’s Guide for Application to Coastal Wetlands: U.S. Geological Survey Open-File Report 2005-1033, 88 p.

Swain, E.D., Howie, Barbara, and Dixon, Joann, 1996 Description and field analysis of a coupled ground-water/surface-water flow model (MODFLOW/BRANCH) with modifications for structures and wetlands in southern Dade County, Florida: U.S. Geological Survey Water-Resources Investigations Report 96-4118, 67 p.

Swain, E.D., Wolfert, M.A., Bales, J.D., and Goodwin, C.R., 2004, Two-Dimensional Hydrodynamic Simulation of Surface-Water Flow and Transport to Florida Bay through the Southern Inland and Coastal Systems (SICS): Water-Resources Investigations Report 03-4287 , 56 p., plus 6 plates.

Wolfert, Melinda A., Langevin, Christian D., and Swain, Eric D., 2004, Assigning Boundary Conditions to the Southern Inland and Coastal Systems (SICS) Model Using Results from the South Florida Water Management Model (SFWMM): U.S. Geological Survey Open-File Report 2004-1195, 30 p.