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1. Salinity Maps for Florida Bay [USGS_SOFIA_halleysalt06]
The maps show the surface salinity for Florida Bay at 5ppt salinity intervals approximately every other month beginning in November 1994 through December 2001 and the bottom salinity for 1994-1996. ...


2. Sedimentation, Sea-Level Rise, and Circulation in Florida Bay [USGS_SOFIA_RHsedsal]
The goal of this project was to document decade- to century- scale processes associated with sediment transport in Florida Bay. The results will quantify the influence of bottom topography on water ...


3. A Coupled Surface Water and Ground-Water Model to Simulate Past, Present, and Future Hydrologic Conditions in DOI Managed Lands [USGS_SOFIA_coupled_sw-gw_model]
This project has two objectives: 1) update and reconfigure the Flow and Transport in a Linked Overland/Aquifer Density-Dependent System (FTLOADDS) modeling code to include all version modifications ...


4. Configuration of the Base of the Surficial Aquifer System in Dade County, USGS WRIR 90-4108, figure 13 [USGS_SOFIA_dade_config_base_surficial_arc]
Contours of the base of the surficial aquifer system are shown on this map. The base of the aquifer system occurs at a relatively uniform elevation of 180 to 220 ft. below sea level over most of Dade ...


5. Everglades Depth Estimation Network (EDEN) [USGS_SOFIA_EDEN_proj]
The Everglades Depth Estimation Network (EDEN) is an integrated network of real-time water-level monitoring, ground elevation modeling, and water-surface modeling that provides scientists and managers ...


6. Everglades Depth Estimation Network (EDEN) Water Surfaces Data [USGS_SOFIA_eden_water_surfs]
Spatially continuous interpolation of water surface across the greater Everglades is generated for daily mean values of the water level gages for the EDEN network beginning January 1, 2000. Surfaces ...


7. IMMAGE -Internet-based Modelling, Mapping, and Analysis for the Greater Everglades [USGS_SOFIA_IMMAGE]
IMMAGE will develop a coupled GIS-enabled web-based decision support (DS) framework to provide interactive model-based scenarios to evaluate the potential impact of sea level rise on water supply, ...


8. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 2, Sulfur and Nutrient Contamination, Biogeochemical Cycling, and Effects [USGS_SOFIA_LinkingLandAirManagement_Task2]   PARENT DIF
The scientific focus of this project is to examine the complex interactions (synergistic and antagonistic) of contaminants (externally derived nutrients, mercury, sulfur, pesticides, herbicides, polycyclic ...


9. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 3, Natural Organic Matter-Mercury Interactions [USGS_SOFIA_LinkingLandAirManagement_Task3]   PARENT DIF
This Task (Task 3 of the overall study) focuses on the factors that control the occurrence, nature and reactivity of dissolved organic matter (DOM) in the Florida Everglades, especially with regard ...


10. Linking Land, Air, and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration [USGS_SOFIA_LinkingLandAirManagement]   CHILD DIFs
The approaches used will be extensions of previous efforts by the lead investigators, whereby we will enhance our abilities to address land management and ecosystem restoration questions. Major changes ...


11. Linking Land, Air, and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem restoration: Task 1, Mercury Cycling, Fate and Bioaccumulation [USGS_SOFIA_LinkingLandAirManagement_Task1]   PARENT DIF
This proposal identifies work elements that are logical extensions, and which build off, our previous work. Our overall scientific objective is to provide a complete understanding of the external ...


12. Effect of Water Flow on Transport of Solutes, Suspended Particles, and Particle-Associated Nutrients in the Everglades Ridge and Slough Landscape [USGS_SOFIA_sus_parts]
The objectives of the study are: To quantify through detailed field experiments previously unstudied processes in the Everglades, such as rates of fine-particle movement and filtration by vegetation ...


13. Flow Monitoring Along the Tidal Caloosahatchee River and Tributaries West of Franklin Locks [USGS_SOFIA_Caloos_Franklin_Locks_flow]
Monitoring stations established thru this project are designed as part of a larger network needed for the Caloosahatchee River and tributaries that should remain in place long-term (~10 years). Data ...


14. Hydrologic Measurements and Water-Quality Data for Taylor Slough and vicinity (OFR 00-483 appendixes) [USGS_SOFIA_hydro_wq_ofr_00-483]
The data in the appendixes of the report are products of an investigation that quantified interactions between ground water and surface water in Taylor Slough in Everglades National Park. In order ...


15. South Florida Hydrology Database [USGS_SOFIA_SF_hydro_db]
ABSTRACT: The data were produced by several projects: Everglades Land-Margin Hydrology Database; Coastal Gradients of Flow, Salinity, and Nutrients; Freshwater Flows to Northeastern Florida Bay; Hydrologic ...


16. Vegetation Map of the SICS area [USGS_SOFIA_vegmap]
The map shows the 8-class vegetation cover developed from Landsat TM data used for the SICS area. This map was created specifically for surface-water flow velocity indexing within hydrodynamic models ...


17. Comprehensive Monitoring Plan for Snail Kites and Apple Snails in the Greater Everglades [USGS_SOFIA_SnailKites_AppleSnails]
The endangered snail kite (Rostrhamus sociabilis) is a wetland-dependent raptor feeding almost exclusively on a single species of aquatic snail, the Florida apple snail (Pomacea paludosa). The viability ...


18. Bacterial demethylation of methylmercury in the South Florida Ecosystem [USGS_SOFIA_mmarvin]
Methylmercury (MeHg) degradation was investigated along an eutrophication gradient in the Florida Everglades by quantifying 14CH4 and 14CO2 production after incubation of anaerobic sediments with ...


19. Hydrology Data [USGS_SOFIA_hydrology_data_zwp]
The data were produced by four separate projects: Coastal Gradients of Flow, Salintiy, and Nutrients; Freshwater Flows to Northeastern Florida Bay; Hydrologic Monitoring in Joe Bay; and Southwest ...


20. Methylmercury Degradation Rates [USGS_SOFIA_MeHg_degrad_rates]
The spreadsheet contains the data for 12 sites for sediment methylmercury degradation potential rate measurements. High concentrations of methyl-mercury (CH3Hg+), a toxic ...


21. Spatial and Age-Structured Population Model of the American Crocodile for Comparisons of CERP Restoration Alternatives [USGS_SOFIA_pop_model_am-croc]
To adequately understand crocodile populations and model population growth, existing data must be assembled and model parameters estimated. A simulation model can then be constructed and validated ...


22. American Alligator Ecology and Monitoring for CERP [USGS_SOFIA_rice_alligators_04]
This project will accomplish several tasks with a combination of field data collection, GIS mapping, and computer simulation. Our main objectives are designed to answer questions critical to restoration ...


23. Application of Stable Isotope Techniques to Identifying Foodweb Structure, Contaminant Sources, and Biogeochemical Reactions in the Everglades [USGS_SOFIA_kendall_stable_isotopes]
This is the largest isotope foodweb study ever attempted in a marsh ecosystem, and combines detailed, long-term, trophic and biogeochemical studies at selected well-monitored USGS/SFWMD/FGFFC sites ...


24. Determination of Groundwater-Flow Direction and Rate Beneath Florida Bay, the Florida Keys and Reef Tract [USGS_SOFIA_fb-fk_grndwtr_flow]
The strategy of this study was to use artificial tracers to determine rate and direction of flow. Tracers were injected into well clusters, existing sewage treatment facilities, and sewage disposal ...


25. Development and Stability of Everglades Tree Islands, Ridge & Slough, & Marl Prairies [USGS_SOFIA_willard_tree_islands_04]
Analysis of 209 pollen assemblages from surface samples in ten vegetation types in the Florida Everglades form the basis to identify wetland sub-environments from the pollen record. This calibration ...


26. Groundwater Flow Rates at the Bayside Well Cluster study site [USGS_SOFIA_gfr_bay]
The dataset contains the values for the dyes from the tracer study on the bayside of Key Largo. Treated sewage is injected into the limestone under the Florida Keys via on-site disposal ...


27. Groundwater Flow Rates at the Oceanside Well Cluster study site [USGS_SOFIA_gfr_ocean]
The dataset contains the values for the dyes from the tracer study on the oceanside of Key Largo. Treated sewage is injected into the limestone under the Florida Keys via on-site disposal ...


28. Groundwater Seepage data (Florida Keys) [USGS_SOFIA_fk_gw_seep]
The dataset contains information and data collected during the seepage meter (groundwater seepage) experiments along the Florida Keys on both the Florida Bay and Atlantic Ocean sides. ...


29. Groundwater Seepage in the Florida Keys [USGS_SOFIA_grndwtr_seepage]
This project installed seepage meters to measure the volume of groundwater seepage into the overlying marine environment. The water will be analyzed for major nutrient levels. The data from this project ...


30. Hydrologic measurements and water quality in ENR, WCA2 and WCA3 (OFR 00-168 appendixes) [USGS_SOFIA_hydro_wq_ofr_00-168]
At present there are few reliable estimates of hydrologic fluxes between groundwater and surface water in the Everglades. This gap in hydrological investigations not only leaves the water budget of ...


31. Understanding and Predicting Global Climate Change Impacts on the Vegetation and Fauna of Mangrove Forested Wetlands in Florida [USGS_SOFIA_smith_gcc_mangrove]
An overall strategy of this project is to conduct integrated research at a number of different locations to address key questions related to global climate change impacts on the coastal mangrove forests ...


32. Florida Bay Cores Site Information [USGS_SOFIA_hlmscloc]
The dataset contains the core number, location, latitude/longitude, date collected, and core surface description for cores from Rabbitt Key, Cluett Key, Whipray Basin, Bob Allen Key, Rankin Bight, ...


33. Geochemical Monitoring of Restoration Progress [USGS_SOFIA_geochem_mon_restore_fy04]
Continued geochemical monitoring efforts will provide a measure of the progress and effects of restoration on environmental health and water quality, and complement biological monitoring of indicator ...


34. Geochemistry of Wetland Sediments from South Florida [USGS_SOFIA_metorem]
This project is examining (1) sources of nutrients (nitrogen and phosphorus), sulfur, and carbon to wetlands of south Florida, (2) the important role of chemical and biological processes in the wetland ...


35. Geophysical Monitoring of the Southwest Florida Coast [USGS_SOFIA_geophys_mon_fy04]
Water management decisions that impact Everglades restoration efforts require high quality data and reliable hydrologic models. Traditionally these data for hydrologic models have been ...


36. Hydrologic Monitoring Network: Data Mining and Modeling to Separate Human and Natural Hydrologic Dynamics [USGS_SOFIA_hydro_mon_net]
The objectives of the study include: (1) integration of hydrologic analysis and synthesis with biological studies; (2) separation of water level, stream flow, and salinity time series into the natural ...


37. Linking a conceptual karst hydrogeologic model of the Biscayne aquifer to ground-water flow simulations from Everglades National Park to Biscayne National Park - Phase 1 [USGS_SOFIA_karst_model]
This project in being undertaken to develop a high-resolution 3-dimensional karst hydrogeologic framework of the Biscayne aquifer between Everglades National Park (ENP) and Biscayne National Park ...


38. South Florida Landscape Dynamics [USGS_SOFIA_landchar_rs_04]   CHILD DIFs
As a general strategy, collaborative efforts with specialists in various aspects of the Everglades are combined with our knowledge of remote sensing, our development of statistical and geographic ...


39. South Florida Pollen Data [USGS_SOFIA_sfl_pollen_data]
Analysis of 209 pollen assemblages from surface samples in ten vegetation types in the Florida Everglades form the basis to identify wetland sub-environments from the pollen record. This calibration ...


40. Freshwater Flows to Northeastern Florida Bay [USGS_SOFIA_freshwtr_flow]
In 1995, the U.S. Geological Survey (USGS) began a study to gage several major creeks that discharge freshwater into northeastern Florida Bay. This study provides flow, salinity, and water-level data ...


41. Wildlife indicators of Greater Everglades restoration progress, climate change, and shifts in ecosystem services [USGS_SOFIA_WildlifeIndicators]
Greater Everglades restoration partners will want to learn from restoration of Picayune Strand as the first of its kind. One of the major benefits of Picayune Strand restoration will be to provide ...


42. Biscayne Bay Coastal Wetlands Geophysical Data [USGS_SOFIA_bbcw_geophysical]
The objectives of this data acquisition project were to complete the downhole geophysical logging including video and flowmeter logging of two core holes (9A and 11A), which are the deepest wells ...


43. Coastal Everglades Wetlands: Hydrology, Vegetation and Sediment Dynamics [USGS_SOFIA_coastal_ever_tjslll_04]
This project has three objectives (tasks): 1) operate and maintain the Mangrove Hydrology sampling network; 2) study the dynamics of coastal vegetation (mangroves, marshes) in relation to sea-level, ...


44. Color Infrared Digital Orthophoto Quadrangles for the South Florida Ecosystem Area [USGS_SOFIA_SF_CIR_DOQs]
The digital orthophoto quadrangles (DOQ's) produced by the USGS for the South Florida Ecosystem Initiative iare color-infrared, 1-meter ground resolution quadrangle images covering 3.75 minutes of ...


45. Estimation of Critical Parameters in Conjunction with Monitoring the Florida Snail Kite Population [USGS_SOFIA_kitchens_snail_kite]
Life history traits and the population dynamics of the snail kite may vary considerably across space and over time. Understanding the influence of environmental (spatial and temporal) variation on ...


46. Evapotranspiration Data [USGS_SOFIA_german_et_data]
A regional evaluation of evapotranspiration (Et) in the Florida Everglades began in 1996 with operation of 9 sites at locations selected to represent the sawgrass or cattail marshes, wet prairie, ...


47. Field measurement, major ion, and nutrient data for water from the Big Cypress National Preserve [USGS_SOFIA_field_data_bicy]
The data catagories include site name, date, time, station ID, record #, agency analyzing sample, agency collecting sample, discharge (daily mean), gage height, lab spec condition, field spec condition, ...


48. Fire Ecology of South Florida Wetlands [USGS_SOFIA_fire_ecol_sfl_04]
The project objective is to determine the importance that season of burning has on the response of vegetation to fire. We have addressed this through the use of experimental prescribed fires at different ...


49. Nutrient Results of Ground and Surface Waters at the Bayside Well Cluster study site [USGS_SOFIA_bswc_nuts]
The dataset contains the nutrient results from the collection of both ground and surface water samples at the Bayside Well Cluster study site. Treated sewage is injected into the limestone ...


50. Near-Surface Water-Quality Surveys of the Caloosahatchee River and Downstream Estuaries, Florida, USA [USGS_SOFIA_Caloosahatchee_water_quality]   PARENT DIF
Beginning in September 2011, water-quality surveys were conducted a minimum of six times per year in the tidal Caloosahatchee River and surrounding estuaries. Geo-referenced measurements were made ...


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