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165 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. Approximate Western and Northern Limit of the Biscayne Aquifer in Broward County, USGS WRIR 87-4034, figure 37 [USGS_SOFIA_brwd_biscayne_limit_west_arc]
The approximate western and northern limits of the Biscayne aquifer are shown in this map. The limit is drawn where the thickness of very highly permeable limestone or calcareous sandstone is estimated ...


5. Aquifer Storage and Recovery Data (Lake Okeechobee) [USGS_SOFIA_asr_data_lake_okee]
The objective of this project was to determine geochemically significant water-quality characteristics of possible aquifer storage and recovery (ASR) source and receiving waters north of Lake Okeechobee ...


6. 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 ...


7. 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 ...


8. Monitoring Sub-aquatic Vegetation Through Remote Sensing: a Pilot Study in Florida Bay [USGS_SOFIA_monitor_sav_rs_fb_04]
This pilot study will focus on Florida Bay, a region that suffered the loss of 40,000 ha of turtle grass in a die-off event that began in 1987, and a small, localized die-off in 1999. These events ...


9. Predicting effects of hydrologic restoration on manatees along the southwest coast of Florida [USGS_SOFIA_manatees_04]
This project focuses on West Indian manatee (Trichechus manatus latirostris) distribution, habitat use and movement patterns to address questions important to understanding the ecology of several ...


10. NPS stage-rain sites [USGS_SOFIA_NPSstage]   PARENT METADATA
The data sets contain data for stage and rain measurements at 54 NPS sites in Everglades National Park. Data collection is continuing at these sites. Go to for a list ...


11. NPS wind sites [USGS_SOFIA_NPSwind]   PARENT METADATA
The data sets contain data for wind speed and direction at 5 NPS sites: C111, OIH, P33, NESRS3, and Joe Bay


12. Nutrients Data (Levesque) [USGS_SOFIA_levesque_nutrients]
In 1996, the U.S. Geological Survey began a 4-year study of the flow and nutrient characteristics of three major streams that drain parts of the Everglades National Park. An upward looking acoustic ...


13. Paleosalinity as a Key for Success Criteria in South Florida Restoration [USGS_SOFIA_paleosal_restoration_04]
The objectives of this project are to 1) test and develop the methodology for extracting water chemistry information from selected calcareous shelled animals that grow within the water; 2) develop ...


14. 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 ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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. ...


21. 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, ...


22. 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. ...


23. Salinity, discharge, stage (tables 1-6, OFR 02-59) [USGS_SOFIA_sal_dis_stage_ofr_02-59]
The report describes the history of roads through the Lower Glades of Everglades National Park and their influence on salinity intrusion. The tables contain data on flows through culverts beneath ...


24. 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 ...


25. 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 ...


26. 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, ...


27. 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 ...


28. 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 ...


29. 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, ...


30. 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 ...


31. 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. ...


32. 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 ...


33. 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 ...


34. 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 ...


35. 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. ...


36. 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 ...


37. 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 ...


38. 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 ...


39. Transient Electromagnetic Sounding Data [USGS_SOFIA_fitter]
This data set contains time-domain electromagnetic (TEM) soundings collected at 63 sites in and near Everglades National Park. The data set includes the sounding name, date measured, location information ...


40. 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 ...


41. 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 ...


42. 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, ...


43. 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 ...


44. Water Flows and Nutrient Loads to the Southwest Coast of Everglades National Park, Florida [USGS_SOFIA_metval]
n 1996, the U.S. Geological Survey began a 4-year study of the flow and nutrient characteristics of three major streams that drain parts of the Everglades National Park. An upward looking acoustic ...


45. 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


46. 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 ...


47. 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 ...


48. 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, ...


49. 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 ...


50. 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 ...


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