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1112 Titles Match Your Query
Showing 1 through 50 of 1112 Next
1. Long-term Stream Chemistry Patterns; Andrews Experimental Forest Watershed Proportional Samples [HJA-CF002]
Long-term records of streamflow chemistry reflect the sampling effort and laboratory analysis initiated in 1968. The study examines nutrient outputs via stream runoff in small watersheds. The original ...


2. 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. ...


3. 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 ...


4. Archive of Chirp Data Collected During USGS Cruise DIAN 97011 Long Island, NY Inner Shelf -- Fire Island, 5-26 May, 1997, USGS OFR 00-306 [USGS_OFR_00366]
In 1995, the USGS Woods Hole Field Center, in cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


5. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Prevalence of Endemic Fluorosis [USGS_OFR01-318_fluorosis]   PARENT DIF
To describe areal extents and rates of endemic flourosis in China. This dataset will be used to provide support for the assessment and analysis of coal quality and potential inventories ...


6. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Sources of Fluorosis Pollution [USGS_OFR01-318_fl_pollution]   PARENT DIF
To describe areal extents of environmental pollution sources of fluorosis affected areas in China. This dataset will be used to provide support for the assessment and analysis of coal ...


7. Chemical Characteristics of Side Channels in the Madison River (Montana) Drainage [chemical_WD]
Multiple measurements of temperature, dissolved oxygen, pH, and conductivity were taken for each side channel in the Madison river.


8. West Coast Ocean data held by the USGS. [WestCoast_c7]   PARENT DIF
Hourly Time-series data was collected by Moored Current meters. The hourly data is available for this west coast region online using Coastal Marine Profile and Time Series Browser (http://www.epic.noaa.gov/epic/ewb/). ...


9. Chesapeake Bay River Input Monitoring Program [USGS_RIMP]
The USGS Chesapeake Bay River Input Monitoring (RIM) Program was established to quantify loads and long-term trends in concentrations of nutrients and suspended material entering the tidal part of ...


10. Grey Water Footprint of National Production [geodata_2253]
Grey water footprint ? The grey water footprint of a product is an indicator of freshwater pollution that can be associated with the production of a product over its full supply chain. It is defined ...


11. LBA-ECO LC-07 CO2 and CH4 Flux from Wetlands, Negro River Basin, Brazil: 2004-2006 [LC07_WETLANDS_FLUXES]
This data set provides estimates of daily and monthly carbon dioxide (CO2) and methane (CH4) diffusive and ebullitive flux for dry and flooded areas from two study sites, Cuini and Itu, in the interfluvial ...


12. Long-Term Oceanographic Observations in Massachusetts Bay, 1989-2006 [USGS_WHSC_MassBay_89-06]
This data report presents long-term oceanographic observations made in western Massachusetts Bay at long-term site LT-A (42? 22.6' N., 70&? 47.0' W.; nominal water depth 32 meters) from December 1989 ...


13. IPCC Fourth Assessment Report (AR4) Observed Climate Change Impacts Database [CIESIN_SEDAC_IPCC_OBSERVED]
The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessement Report (AR4) Observed Climate Change Impacts Database contains observed responses to climate change across a wide range of systems ...


14. Socioeconomic Data and Applications Center (SEDAC) Collection of Treaty Texts [CIESIN_SEDAC_ENTRI_TEXTS_COL]
The Socioeconomic Data and Applications Center (SEDAC) Collection of Treaty Texts consists of environmental treaty texts that are compiled in collaboration with the Columbia University Center for ...


15. Cleopatra, Rjipfjorden 2007-2008:Sea ice, light, ice algae, phytoplankton and zooplankton [org.polarresearch-601]
Location: Rjipfjorden, Nordaustlandet, Svalbard, Norway Parameters: CTD (temperature, salinity); Sea ice (thickness); Light (PAR surface and subsurface); Ice algaes (pigments, stoikiometry, nutrients, ...


16. Hydrothermal monitoring data from the Cascade Range, northwestern United States [USGS_CascadeRange_HydrothermalMonitoring]
Traditionally, most measurement and sampling of hydrothermal fluids has been on a highly intermittent basis. Such intermittent data, with sampling frequencies typically >1 year, are not well-suited ...


17. Suspended-sediment concentrations during dam decommissioning in the Elwha River, Washington [USGS_WWCS_ElwaSuspendedSediment]
ABSTRACT: In 2011, the National Park Service commenced the incremental removal of two century-old dams along the Elwha River, Washington, in order to restore ecological and sediment-delivery processes. ...


18. A Geographic Information System Database for Environmental Contaminants in the Rio Grande/Rio Bravo Basin [USGS_CERC_RioGrand_Contaminants]
ABSTRACT: The assessment of contaminant stressors on biota of the Rio Grande/Rio Bravo resulted from an effort of the Biomonitoring for Environmental Status and Trends (BEST) program, to implement ...


19. Effects of Wildfire and Prescribed Fire on Stream Ecosystems in Central Idaho, Western Montana, and Western Oregon, 2001-2011 [USGS_FRESC_Fire_StreamEcosystems]
ABSTRACT: This record documents the fields of datasets (which are contained in Microsoft Excel spreadsheets and MS Access databases) that describe upland, riparian, and stream ecosystems in the following ...


20. Riparian Litter Inputs to Streams in the Central Oregon Coast Range - Data [USGS_FRESC-0298_RiparianLitterInputs]
ABSTRACT: This data set consists of twenty five spreadsheets that cover twelve months of "sorting" data on litter collected in Oregon Coast Range riparian forests, total carbon and nitrogen concentrations ...


21. Biological and Ecological Characteristics of Terrestrial Vertebrate Species Residing in Estuaries [USGS_PWRC_BioEco]
ABSTRACT: The Biomonitoring of Environmental Status and Trends (BEST) program is designed to assess and monitor the effects of environmental contaminants on biological resources, particularly those ...


22. 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 ...


23. 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 ...


24. 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 ...


25. 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 ...


26. 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 ...


27. 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 ...


28. 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 ...


29. 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 ...


30. Biodiversity, Dynamics and Metabolics of Heterogeneous Meltwater Ponds [K025_2011_2013_NZ_3]
Microbial biodiversity and community dynamics within and between selected melt water ponds near Bratina Is will help to identify environmental drivers within ponds. Research will examine the metabolic ...


31. Lake Fryxell benthic ecology [K081_2009_2013_NZ_2]
In 2012/2013 we collected Samples and data collected along a depth transect at Lake Fryxell. This samples were collected by a dive team. The samples included water chemistry and microbial mat sampling. ...


32. Arsenic in Groundwater - Probability of Occurrence [geodata_2240]
Global assessment of the probability of occurrence of excessive Arsenic concentrations


33. Fluoride in Groundwater - Probability of Occurrence [geodata_2241]
Global assessment of the probability of occurrence of excessive Fluoride concentrations


34. 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 ...


35. 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 ...


36. 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 ...


37. 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 ...


38. 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 ...


39. 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 ...


40. 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 ...


41. 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 ...


42. EPA's Toxicity Reference Database [EPA_ToxRefDB]
ToxRefDB was developed by the National Center for Computational Toxicology (NCCT) in partnership with EPA's Office of Pesticide Programs (OPP), to store data from in vivo animal toxicity studies. ...


43. EPA's Toxicity/Tissue Residue Database for Aquatic Organisms [EPA_Toxicity_Residue_Database]
Researchers at the U.S. EPA, MED-Duluth have developed a comprehensive toxicity/tissue residue database for aquatic organisms exposed to inorganic and organic chemicals (Jarvinen, A.W., and G.T. Ankley. ...


44. 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, ...


45. 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 ...


46. 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 ...


47. 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 ...


48. 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 ...


49. 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, ...


50. 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 ...


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