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165 Titles Match Your Query
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1. 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 ...


2. 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 ...


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. 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 ...


5. A Land of Flowers on a Latitude of Deserts: Aiding Conservation and Management of Florida's Biodiversity by Using Predictions from "Down-Scaled" AOGCM Climate Scenarios in Combination with Ecological Modeling [USGS_SOFIA_la_florida]
The objectives of this project are to develop the knowledge necessary to make accurate predictions of the response of species and their ecosystems to climate change. We propose to down-scale predictions ...


6. 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 ...


7. 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 ...


8. Aerial Photos of the 1940s [USGS_SOFIA_aerial-photos]
The images are available as .jpeg and as georeferenced .tiff files. With the exception of three images, all images are subset to 7500 pixels square. Individual photos can be selected from the 1940 ...


9. Altitude of the base of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 15 [USGS_SOFIA_glime_altbase_arc]
The base of the gray limestone aquifer is shallowest in Collier and Hendry Counties and slopes to the southeast and east. The altitude of the base of the aquifer generally ranges from 50 to 160 ft ...


10. Altitude of the top of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 14 [USGS_SOFIA_glime_alttop_arc]
The top of the gray limestone aquifer is shallowest in Collier and Hendry Counties and slopes to the southeast and east. The altitude of the top of the gray limestone aquifer generally ranges between ...


11. Altitude of the top of the upper confining unit of the gray limestone aquifer, southern Florida, USGS WRIR 99-4213 figure 21 [USGS_SOFIA_glime_alt_ucu_arc]
The map shows the altitude of the top of the confining unit which ranges from 10 ft above sea level to 50 ft below sea level in much of the study area, and slopes downward to the east and southeast. ...


12. 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 ...


13. Analysis of Historic Water Quality Data [USGS_SOFIA_analysis_hist_wq]
The Big Cypress National Preserve (BICY), the Everglades National Park (EVER), and Loxahatchee National Wildlife Refuge (LOX) are water-dominated ecosystems that are susceptible to water-quality impacts. ...


14. 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 ...


15. 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, ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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 ...


21. CERP/RECOVER restoration technology transfer, USGS-CERP liaison with USACE [USGS_SOFIA_rtt_usace]
The objectives of this project are: 1. support of Comprehensive Everglades Restoration Plan/REstoration COordination and VERification (CERP/RECOVER) by USGS participation in CERP PDT and RECOVER meetings ...


22. CERP/RECOVER restoration technology transfer: USGS-CERP liaison with SFWMD [USGS_SOFIA_rtt_sfwmd]
This management and coordination effort supports several of the initiatives listed in the DOI science plan. The USGS representative will participate in CERP and RECOVER meetings and share information ...


23. Canal and Wetland Flow/Transport Interaction [USGS_SOFIA_metschaf]
Significant canal and wetland flow exchanges can potentially occur along the southwest overbank area of canal C-111 between hydraulic control structures S-18C and S-197. This coupled flow system is ...


24. Characterizing Past and Present Mangrove Shorelines to Aid Conservation of the Smalltooth Sawfish, Pristis pectinata, Along the Southwest Coast of Florida [USGS_SOFIA_Mangrove_Sawfish]
This pilot project has several related goals concerning a specific type of habitat thought to be important for juvenile sawfish habitat: mangrove shorelines. First, we will delineate and classify ...


25. Chronology and Isotope Geochemistry of Ground Waters in the Florida Keys and Offshore Areas [USGS_SOFIA_chron_isotope_geochem_FL_Keys]
This project involves sampling surface waters and ground waters from Florida Bay, the Keys, and offshore to the barrier reef. Analyses will be done on a variety of isotopic and chemical species that ...


26. 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, ...


27. Coastal Gradients Salinity Surveys [USGS_SOFIA_coastal_grads_salsurveys]
Ten monitoring stations were operated and maintained along the southwest coast of ENP, the Everglades wetlands, and along the coastlines of northeastern Florida Bay and northwest Barnes Sound. Data ...


28. Coastal Gradients of Flow, Salinity, and Nutrients [USGS_SOFIA_coastal_grads]
Ten monitoring stations will be operated and maintained along the southwest coast of ENP, the Everglades wetlands, and along the coastlines of northeastern Florida Bay and northwest Barnes Sound. ...


29. 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 ...


30. Computer Simulation Modeling of Intermediate Trophic Levels for ATLSS of the Everglades/Big Cypress Region [USGS_SOFIA_gaines_04]
This project includes models for primary food bases; the functional group of small fishes, upon which many of the wading birds depend, and the main reptile and amphibian functional groups, which constitute ...


31. Configuration of the Base of the Biscayne Aquifer in Dade County, USGS WRIR 90-4108, figure 16 [USGS_SOFIA_dade_config_base_biscayne_arc]
The map shows the altitude below sea level of the base of the Biscayne aquifer in Miami-Dade County. The contour interval is 10 feet. Southeastern Florida is underlain by geologic units ...


32. Configuration of the Base of the Gray Limestone Aquifer in Dade County, Fl, USGS WRIR 90-4108, figure 15 [USGS_SOFIA_dade_config_base_glime_arc]
Contours of the altitude below sea level of the base of the highly permeable gray limestone aquifer in the Tamiami Formation are shown in this map. The aquifer, as mapped, includes all intervals of ...


33. 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 ...


34. Configuration of the Top of the Gray Limestone Aquifer in Dade County, USGS WRIR 90-4108, figure 14 [USGS_SOFIA_dade_config_top_glime_arc]
Contours of the elevation of the top of the highly permeable gray limestone aquifer in the Tamiami Formation are shown in this map. The aquifer, as mapped, includes all intervals of the gray limestone ...


35. Creation of a Digital Archive of Historical Aerial Photographs for Everglades NP and the Greater Everglades Ecosystem [USGS_SOFIA_smith_hist_photo_archive]
The major products are planned as a series of USGS Open-File Reports, one for each complete, or near complete, set of photos. A photoset is defined as a collection of aerial photos that were taken ...


36. Cycling and Speciation of Mercury in the Food Chain of South Florida [USGS_SOFIA_nssmet]
Methylmercury, a neurotoxin, is found in the game fish of south Florida. Samples of periphyton, the assemblage of microalgae that live in shallow submerged substrates which is home to, and food for, ...


37. Determination of Nutrient Loads to East Coast Canals [USGS_SOFIA_metlietz]
The objectives of this project were threefold: 1) to determine if historical water-quality data collected as grab samples at 0.5 and c1.0 m below the surface near the centroid of flow adequately represent ...


38. Determining Target Salinity Values for South Florida's Estuaries: The Combined Effects of Climate, Sea Level, and Water Management Practices [USGS_SOFIA_target_sal_vals]
The primary objective of this project is to provide information to Comprehensive Everglades Restoration Plan (CERP) managers that can be used to establish target salinity values and performance measures ...


39. 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 ...


40. Development of Integrated Sampling of Fishes in Forested Wetlands in South Florida with Emphasis on Food Web Structure [USGS_SOFIA_fish_sample]
This study seeks to refine sampling methodology in the forested wetlands, to collect baseline data for aquatic animals to enable comparisons between Comprehensive Everglades Restoration Plan (CERP) ...


41. Discharge Data (Tamiami Canal) [USGS_SOFIA_discharge_tamiami_canal]
The data are from the following four stations: Station 02288800 - Tamiami Canal Outlets, Monroe to Carnestown; Station 02288900 - Tamiami Canal Outlets, 40-Mile Bend to Monroe, near Miami, FL; Station ...


42. Dynamics of Land Margin Ecosystems: Historical Change, Hydrology, Vegetation, Sediment, and Climate [USGS_SOFIA_land_margin_ecosystems]
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, ...


43. Ecological Risk Assessment of Toxic Substances in the Greater Everglades Ecosystem: Wildlife Effects and Exposure Assessment [USGS_SOFIA_eco_assess_risk_toxics]
This project will be carried out in several locations throughout those areas critical to the South Florida Restoration Initiative. These areas include: 1) Water Conservation Areas 1, 2, and 3 of the ...


44. Ecosystem History of Biscayne Bay and the Southeast Coast [USGS_SOFIA_metish]
Historical changes in South Florida related to rapid population growth in the early to mid-1900's have led to significant alteration of the natural hydrocycles and water quality of Florida and Biscayne ...


45. Ecosystem History of South Florida Estuaries Data [USGS_SOFIA_eco_hist_db]
The Ecosystem History Access Database contains listings of all sites (modern and core), modern monitoring site survey information, and published core data. Two general ...


46. Ecosystem History of the Southwest Coast-Shark River Slough Outflow Area [USGS_SOFIA_eco_hist_swcoast_srs_04]
The objectives of this project are to document impacts of changes in salinity, water quality, coastal plant and animal communities and other critical ecosystem parameters on a subdecadal-centennial ...


47. Ecosystem History: Florida Bay and Southwest Coast [USGS_SOFIA_lbwfbay]
Recent negative trends in the Florida Bay ecosystem have been attributed to human activities, however, neither the natural patterns of change, nor the pre-human baseline for the environment have been ...


48. Ecosystem History: Terrestrial and Fresh-Water Ecosystems of southern Florida [USGS_SOFIA_dawmet]
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 ...


49. 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 ...


50. Effect of Wind on Surface-Water Flows [USGS_SOFIA_metjen]
Flows in and through the Everglades wetlands and bordering subtidal embayments are often characterized by very low velocities that are driven or controlled at various scales by wind, gravity, pressure, ...


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