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147 Titles Match Your Query
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1. 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 ...


2. Approximate Eastern Limit of the Gray Limestone Aquifer in Dade County, USGS WRIR 90-4108, figure 14 [USGS_SOFIA_glime_limit_dade_east_arc]
An aquifer identified by Fish (1988) in Broward County, composed of predominantly gray (in places, greenish-gray or tan) limestone of the lower part and locally the middle part of the Tamiami Formation, ...


3. Approximate Western Limit of the Biscayne Aquifer in Dade County, USGS WRIR 90-4108, figure 16 [USGS_SOFIA_dade_biscayne_limit_west_arc]
The map shows the approxiamte western limit of the Biscayne aquifer in Miami-Dade County. Southeastern Florida is underlain by geologic units of varying permeability from land surface ...


4. Avian Ecology of the Greater Everglades (Roseate Spoonbill and Limpkins) [USGS_SOFIA_avian_ecology_spoonbills]
The primary objectives of our research are to (1) quantify the changes in spatial distribution and success of nesting spoonbills relative to hydrologic patterns, (2) test hypotheses about the causal ...


5. 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 ...


6. Biscayne Aquifer geologic data [USGS_SOFIA_ba_geologic_data]
This report from which the data is taken identifies and characterizes candidate ground-water flow zones in the upper part of the shallow, eogenetic karst limestone of the Biscayne aquifer using GPR, ...


7. 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 ...


8. Nutrients Data (Lietz) [USGS_SOFIA_Nut_Data_Lietz]
This project attempted to quantify nitrogen and phosphorus loads to Biscayne Bay based upon models developed from ordinary least squares regression techniques. It also examined which historical methods ...


9. Origins and Delineation of Saltwater Intrusion in the Biscayne Aquifer and Changes in the Distribution of Saltwater in Miami-Dade County, Florida [USGS_FWSC_BiscayneSaltwaterIntrusion]
Intrusion of saltwater into parts of the shallow karst Biscayne aquifer is a major concern for the 2.5 million residents of Miami-Dade County that rely on this aquifer as their primary drinking water ...


10. Pesticide and other organic chemical data for sediment from sites in or near the Everglades National Park and the Big Cypress National Preserve [USGS_SOFIA_pest_seds_BICY-EVER]
The data are in a reviewed and edited database of historical water-quality constituents in Big Cypress National Preserve (BCNP), and Everglades National Park (ENP). Big Cypress National Preserve ...


11. Pesticide and other organic chemical data for water from sites in or near the Everglades National Park and the Big Cypress National Preserve [USGS_SOFIA_pest_water_BICY-EVER]
The data are in a reviewed and edited database of historical water-quality constituents in Big Cypress National Preserve (BCNP), and Everglades National Park (ENP). Big Cypress National Preserve ...


12. Real-Time Ground Water Data [USGS_SOFIA_real_time_gw_data]
Data include continuous 15-minute interval measurements of temperature, salinity, water level (NAVD 88), and specific conductance for 7 sites. The U. S. Geological Survey (USGS), in collaboration ...


13. Remote Sensing of Water Turbidity and Sedimentation and Their Relationship to Algal Blooms [USGS_SOFIA_Fbturbidity]
A decline in water clarity in Florida Bay has been observed following the seagrass dieoffs starting in the late 1980's. Algal blooms and discolored water have been reported in Florida Bay over the ...


14. Review of selected features of the Natural Systems Model and suggestions for applications in South Florida suggestions for applications in South Florida [USGS_SOFIA_bales]
The south Florida ecosystem has been greatly altered during the last 100 years. Drainage of the south Florida watershed began in the early 1880's, and by the early 1990's about 50 percent of the historic ...


15. SOFIA - Development of a Digitial Library of Biological Information [USGS_SOFIA_sofia_diglib_04]
The information systems project addresses the need for timely, high-quality and relevant information through the development of a digital library for the South Florida ecosystem. The digital library ...


16. SOFIA - Geospatial Interface [USGS_SOFIA_sofia_geospatial_04]
A geospatial interface will be developed using ArcIMS software. The interface will provide a means of accessing information stored in the SOFIA database and the SOFIA data exchange web site through ...


17. SOFIA - Metadata - Development of an Internet-Based GIS to Visualize ATLSS Datasets for Resource Managers [USGS_SOFIA_johnston_ATLSS_GIS]
The ATLSS Data Visualization System was designed to make it simple to view and analyze Spatially-Explicit Species Index (SESI) models. An essential aspect of the ATLSS Program is making model output ...


18. SOFIA Environmental Database Development and Maintenance [USGS_SOFIA_sofia_database_04]
The long-term goal of the SOFIA program is to provide a central archive of data and products for all Department of Interior products related to the south Florida Ecosystem restoration program. ...


19. SOFIA Metadata [USGS_SOFIA_sofia_metadata_04]
The objectives of the metadata project are to document the data sets produced as a result of USGS research in South Florida and to make the metadata and data sets available to potential customers, ...


20. 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 ...


21. South Florida Information Access (SOFIA) Website [USGS_SOFIA_sofia_website_04]
The South Florida Information Access web site (SOFIA) was created as a 'one-stop-shopping' access point for research on South Florida. All USGS South Florida Priority Ecosystems Science research projects, ...


22. South Florida Landscape Dynamics [USGS_SOFIA_landchar_rs_04]   CHILD METADATA
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 ...


23. 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 ...


24. Southern Everglades Satellite Image Map [USGS_SOFIA_S_EvergladesSatMap]   PARENT METADATA
The map is a composite image of spectral bands 3 (630-690 nanometers, red), 4 (775-900 nanometers,near-infrared), and 5 (1,550-1750 nanometers, middle-infrared) and the new panchromatic band (520-900, ...


25. 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 ...


26. Synthesis of South Florida Ecosystem History Research [USGS_SOFIA_synth_sfl_ecohist]
This project integrates results from ongoing and previous research on the history of the Greater Everglades ecosystem and response of various components to climatic and anthropogenically derived change. ...


27. TIME and SICS modeling of surface water and interactions with ground water [USGS_SOFIA_swain_gwsw_flow_trans_04]
This project focuses on the implementation, verification, and validation of a system of coupling numerical models to represent the interaction between the ground-water and surface-water systems in ...


28. TIME data sets [USGS_SOFIA_time_datasets]   CHILD METADATA
This is a historical archive of TIME data from the past several years. No new data is being added on a regular basis, though archived data will be available for the forseeable future. Data for NOAA ...


29. The Influence of Hydrology and Associated Habitat Structure on Spatial and Temporal Patterns of Apple Snail Abundance and Recruitment [USGS_SOFIA_darby_apple_snail]
As the exclusive food of the endangered snail kite and prey to a variety of other wetland fauna, apple snails are generally recognized as a critical resource warranting monitoring in the context of ...


30. Thickness of the Gray Limestone Aquifer, Southern Florida, USGS WRIR 99-4213 figure 16 [USGS_SOFIA_glime_thkness_arc]
The thickness of the gray limestone aquifer generally ranges from 30 to 100 ft. The map shows the thickness of the gray limestone aquifer in southern Florida. The contour interval is 50 feet. ...


31. Thickness of the upper confining unit of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 22 [USGS_SOFIA_glime_thk_ucu_arc]
The upper confining unit of the gray limestone aquifer ranges from 20 to 60 ft in thickness in most of the study area, but is absent to the west and southwest in much of Collier County and most of ...


32. Tides and Inflows in the Mangrove Ecotone (TIME) Model Development [USGS_SOFIA_TIME_04]
The Tides and Inflows in the Mangrove Ecotone (TIME) project entails a study of the transition region using a coupled surface-water/groundwater model and the collection and analysis of data in support ...


33. Tides and Inflows in the Mangrove Ecotone (TIME) Model Development (Vegetative Resistance to Flow) [USGS_SOFIA_veg_resist_flow_mod]
Surface-water flow models are needed to evaluate restoration and management alternatives for the south Florida ecosystem. Model results are sensitive to expressions used to represent flow resistance ...


34. Traces of hydrogeologic sections A-A', A'-A", B-B', and C-C' in the study area, southern Florida, WRIR 99-4213 figure 9 [USGS_SOFIA_glimehydrogeo_arc]
Four hydrogeologic sections show lithostratigraphic units and structure in the study area. Hydrogeologic sections A-A' and A'-A" extend northwest to southeast from southern Hendry County to southern ...


35. 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 ...


36. 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 ...


37. Vegetative Resistance to Flow Data [USGS_SOFIA_veg_resist_flow_data]
Surface-water flow models are needed to evaluate restoration and management alternatives for the south Florida ecosystem. Model results are sensitive to expressions used to represent flow resistance ...


38. Velocity Data (Canal and Wetland) [USGS_SOFIA_vel_data_canal-wet]
Velocity data were collected on five dates (two in 1997 and three in 1999) at numerous locations along the C-111 Canal in the Everglades. A complex network of canals, levees, and control structures, ...


39. Water Budget data [USGS_SOFIA_germanwb_data]
The data set contains data for vapor pressure gradient, air temperature gradient, soil heat flux, water temperature top and bottom, net solar radiation, water level, air temperature, wind direction ...


40. Water Quality Data (Canal and Wetland) [USGS_SOFIA_wq_data_canal-wet]
Five basic water-quality parameters (temperature, pH, specific conductance, dissolved oxygen, and salinity) were collected at each site having sufficient depth


41. Water Quality Data (Zucker) [USGS_SOFIA_wq_data_zucker]
The data are available for 14 sites in multiple formats from the National Water Information Systems (NWIS) website . In 1995 the U.S. Geological Survey (USGS) began a series of studies to monitor ...


42. Water Quality Physical Parameters Data (Lietz) [USGS_SOFIA_waterqual_lietz]
The data set contains values for water temperature, pH, specific conductance, dissolved oxygen, sample location cross section, and sampling depth at 5 sites. The sites are: Biscayne Canal at S-28 ...


43. Wind data [USGS_SOFIA_wind_data_jenter]
The dataset contains date and time collected and wind speed and direction for sites at Old Ingraham Highway near Flamingo, FL and C-111. With insight into the functional relationships and into the ...


44. X-Radiographs Data [USGS_SOFIA_x-radio_data]
The x-radiographs of Florida Bay cores were used to examine the internal sediment structure of sediment contained in a core and assess whether the sediment was mixed. In order to manage an ecosystem, ...


45. 1995 - 2007 Ecosystem History of South Florida's Estuaries Database version 7 [USGS_SOFIA_eco_hist_db1995-2007]
The 1995 - 2007 Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), modern monitoring site survey information (water chemistry, floral and faunal ...


46. 2008 - Present Ecosystem History of South Florida's Estuaries Database version 2 [USGS_SOFIA_Eco_hist_db_2008_present]
The 2008 - Present Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), and modern monitoring site survey information (water chemistry, floral ...


47. 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 ...


48. A GIS-based decision-support tool to evaluate land management policies in south Florida [USGS_SOFIA_gis_tool]
The primary objective of the project is to develop an integrated ecological and socioeconomic land use evaluation model (the Ecosystem Portfolio Model, EPM) for Department of the Interior (DOI) resource ...


49. A retrospective and critical review of aquifer and storage (ASR) sites and conceptual framework of the Upper Floridian aquifer in south Florida [USGS_SOFIA_ASR_04]
The objectives of this study are to: (1) inventory and assess the strengths and weaknesses of available hydrogeologic, hydraulic, hydrochemical, well construction, and cycle test information at existing ...


50. Across Trophic Level System Simulation (ATLSS) Program [USGS_SOFIA_atlss_prog]
The ATLSS (Across Trophic Level System Simulation) program addresses CERP’s (Comprehensive Everglades Restoration Plan) need for quantitative projections of effects of scenarios on biota of the Greater ...


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