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65 Titles Match Your Query
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1. Everglades Depth Estimation Network (EDEN) November 2007 Digital Elevation Model for use with EDENapps [USGS_SOFIA_eden_dem_cm_nov07_nc]
This is the 1st release of the third version of an Everglades Depth Estimation Network (EDEN) digital elevation model (DEM) generated from certified airborne height finder ...


2. 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 ...


3. 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 ...


4. 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 ...


5. Altitude of the base of the surficial aquifer system in eastern Palm Beach, Martin, and St. Lucie counties, Florida, USGS WRIR 99-4214, fig. 1 [USGS_SOFIA_ch1999cont_arc]
The surficial aquifer system underlies Palm Beach, Martin, and St. Lucie Counties and primarily consists of sand, clay, silt, shell, and limestone of Holocene, Pleistocene, and Pliocene age. Its thickness ...


6. 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 ...


7. 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. ...


8. 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 ...


9. 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. ...


10. 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 ...


11. 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 ...


12. 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 ...


13. 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 ...


14. 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 ...


15. 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 ...


16. 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, ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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 ...


21. Effects of Hydrology on Wading Bird Foraging Parameters [USGS_SOFIA_gawlik_wading_birds]
The conceptual model for this study is based on the idea that hydroperiod is a long-term process that primarily influences the abundance, body size, and species composition of the prey community whereas ...


22. Effects of water hardness on slough-wet prairie plant communities of the A. R. M. Loxahatchee National Wildlife Refuge [USGS_SOFIA_hardness_swp_lnwr]
Alterations to ground-water and surface-water hydrology and water chemistry in South Florida have contributed to increased flows of mineral-rich (hard water) canal water into historically rain-fall ...


23. 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 ...


24. 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 ...


25. Everglades Depth Estimation Network (EDEN) October 2007 Digital Elevation Model [USGS_SOFIA_eden_em_oct07_400m]
This is the 1st release of the third version of an Everglades Depth Estimation Network (EDEN) digital elevation model (DEM) generated from certified airborne height finder (AHF) and airboat collected ...


26. 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 ...


27. Everglades Hydrology and Water Quality Data [USGS_SOFIA_ever_hydro_wq_data]
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 ...


28. Everglades Isotope Data [USGS_SOFIA_ever_isotope_data]
Data are available for the following sites: Cell 4, ENR-OUT, L7, Cell 3, LOX, North Holeyland, E0, F1, U3/Glory Hole, L35B, 2BS, L67, 3A-15, 3A-TH, Lostmans Creek, North Prong Creek, TS-7, and TS-9 ...


29. Everglades Water Chemistry - Surface water DOC, pore water DOC and SUVA data [USGS_SOFIA_sw-pore_water_DOC_SUVA]
The data are for dissolved organic carbon (DOC) and specific ultraviolet absorbance (SUVA) for surface water and pore water in the South Florida Water Management District (SFWMD) water conservation ...


30. Everglades Water Quality - Site and Sample Information [USGS_SOFIA_gaqwssi]
This data set contains the following parameters: Lab ID, site ID, site name, latitude/longitude, sampling depth, sample type, subsample type, and method for 27 samples from 10 locations. ...


31. Everglades Water Quality -Field Parameters [USGS_SOFIA_gaqwfp]
This data set contains the following parameters: Lab ID, site ID, collection date and time, field pH, field specific conductivity, and water temperature at 10 locations. It is well recognized ...


32. Everglades Water chemistry - Cations and Anions [USGS_SOFIA_gachemca]
This data set contains the following parameters: Lab ID, site ID, lab pH, lab alkalinity, Cl, SO4, Ca, Mg, Na, K, and ion balance for 27 samples collected from 10 sites. It is well recognized ...


33. Everglades Water chemistry - DOC and other parameters [USGS_SOFIA_gachmdoc]
This data set contains the following parameters: Lab ID, site ID, DOC, specific UV, B, Ba, Fe, H4SiO4, Li, Mn, Sr, and Zn for 27 samples collected from 10 sites. It is well recognized ...


34. 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, ...


35. Freshwater Flows to the East Coast [USGS_SOFIA_freshwater_east_coast]
Discharges through 10 selected coastal control structures in Broward and Palm Beach Counties and the 16 coastal structures in Miami-Dade County, Fla., Florida, are presently computed using the theoretical ...


36. Geochemical Parameters to Evaluate Aquifer Storage and Recovery Reactions with Native Water and Aquifer Materials [USGS_SOFIA_geochem_asr_lo]
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 ...


37. Geochemical Processes in Organic-rich Sediments of South Florida - Mercury and Metals [USGS_SOFIA_metkotra]
Human activities have led to the deterioration of the productivity, biodiversity, and stability of the south Florida ecosystem. The fate of anthropogenic contaminants incorporated into the organic-rich ...


38. 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 ...


39. Geochronology in the South Florida Ecosystem and Associated Ecosystem Programs [USGS_SOFIA_metholms]
In order to manage an ecosystem, it is imperative to define the rate at which ecologic, physical and chemical changes have occurred. The lack of historical records documenting ecological changes dictates ...


40. Groundwater-Surface Water Interactions and Relation to Water Quality in the Everglades [USGS_SOFIA_gw-sw_wq_everglades]
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 ...


41. High Accuracy Elevation Data - Lake Okeechobee Littoral Zone [USGS_SOFIA_HAED_okee]
The U.S. Geological Survey (USGS) coordinated the acquisition of high accuracy elevation data (meters) for the Lake Okeechobee Littoral Zone collected on a 400 meter topographic grid with a vertical ...


42. High Accuracy Elevation Data Collection Project [USGS_SOFIA_hi_accuracy_elev_collection_04]
The High Accuracy Elevation Data Project collected elevation data (meters) on a 400 meter topographic grid with a vertical accuracy of +/- 15 centimeters to define the topography in South Florida. ...


43. 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 ...


44. Impact of 20th Century Water-Management and Land-Use Practices on the Coastal Hydrology of Southeast Florida [USGS_SOFIA_impacts_20thcent]
The data are available as Arc/Info coverages from USGS Circular 1275. The Landuse coverages are in Florida State Plane Cordinate System, east zone, units feet, zone 3601, datum NAD27. All other coverages ...


45. Interactions of Mercury with Dissolved Organic Carbon in the Florida Everglades [USGS_SOFIA_Hg_DOC_fy04]
This project is designed to more clearly define the factors that control the occurrence, nature, and reactivity of dissolved organic matter (DOM) in the Florida Everglades, especially with regard ...


46. Lake Okeechobee Bathymetry data [USGS_SOFIA_lake_okee_bathy_data]
The data from the bathymetric mapping of Lake Okeechobee are provided in two forms: as raw data files and as elevation contour maps. High resolution acoustic bathymetric surveying is a proven method ...


47. Limit of Gray Limestone Aquifer, Southeastern Florida, USGS WRIR 99-4213 [USGS_SOFIA_glime_limit_arc]
The maps shows the limit of the gray limestone aquifer in southern Florida. The lower Tamiami aquifer is mapped as being present in most of western and northeastern Hendry County, which are outside ...


48. Loxahatchee National Wildlife Refuge Data [USGS_SOFIA_LOX_NWR_data]
The Loxahatchee National Wildlife Refuge (LOX) is a water-dominated ecosystem that is susceptible to water-quality impacts. A comprehensive analysis of historical water-quality and ancillary data ...


49. Mercury Cycling and Bioaccumulation [USGS_SOFIA_dk_merc_cycl_bio]
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 ...


50. 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 ...


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