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51. Analysis of Factors Affecting Historical Dissolved Oxygen Trends in Western Long Island Sound [LISES_HistDOtrends]
The purpose of this dataset is to assess the historical decline in dissolved oxygen concentrations in the bottom region of the Western Long Island Sound. The primary factors ...


52. Field measurements, major ions, nutrient, and carbon data for Bridge-105 and the 40-Mile Bend to Monroe reach in the Big Cypress National Preserve [USGS_SOFIA_field_data_br105]
The data catagories include site name, date, time, station ID, medium, record #, agency analyzing sample, agency collecting sample, discharge (daily mean and instantaneous), gage height, lab spec ...


53. Field measurements, major ions, nutrient, and carbon data for sites in the interior of the Everglades National Park [USGS_SOFIA_field_data_interEver]
The data catagories include site name, date, time, station ID, medium, record #, agency analyzing sample, agency collecting sample, discharge (daily mean and instantaneous), gage height, lab spec ...


54. Long Island Sound Interstate Sanitation Commission Data [ISC_ISCdata]
Monitor water quality on a monthly basis over the full annual cycle.


55. Seminole County, Florida, USA Watershed [Seminole_Watershed_Atlas]
The Seminole County Watershed Atlas is designed to provide citizens, scientists, and planners of the region with comprehensive and current water quality, hydrologic, ...


56. Global Learning and Observations to Benefit the Environment (GLOBE) Data Available on the WWW [GLOBE_DATA]
GLOBE is a worldwide network of students, teachers and scientists working together to study and understand the global environment. ...


57. Determining the rates of nutrient uptake to create an approximate nutrient budget of microbial mats from Bratina Island ponds, McMurdo Ice Shelf [K081_2000_2001_NZ_5]
Mat cores from ponds on the McMurdo Ice Shelf were incubated in pond water which had been spiked by 50 ?g l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


58. IAI-FinalReport_ISP1_003 Nitrogen Transport and Transformations: A Regional and Global Analysis [IAIDIS436]
This dataset refers to the Final Report of the ISP round I project number 003, which has the name "NITROGEN TRANSPORT AND TRANSFORMATIONS: A REGIONAL AND GLOBAL ...


59. Buzzards Bay Project [gomc_159]
National Estuary Program Waterbody or Watershed Names: Buzzards Bay


60. Aquifer Sensitivity to Contamination by Nitrate Leaching in Illinois [IGDNR_NO3AQSENS]   CHILD DIFs
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


61. Chesapeake Bay Program Water Quality Database [CBP_WQDB]
The Water Quality Monitoring database is a compilation of data for 19 parameters at 49 mainbay and approximately 150 tributary stations for Maryland, Virginia, and the District of Columbia ...


62. Nitrate Leaching Class Ranges [IGDNR_NO3LRANGE]   PARENT DIF
This is a statewide Arc/Info data set of nitrate leaching class ranges for soils in Illinois. It was generated to aid in determining aquifer sensitivity to nitrate leaching in Illinois. ...


63. Nitrate Leaching Classes of Illinois Soils [IGDNR_NO3LEACH]   PARENT DIF
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


64. Europe's Waterbase - Rivers [EEA_WATERBASE_RIVERS]
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the ...


65. Esquadat - Water Quality Database, Saskatchewan, Canada [Canada_SERM_Esquadat]
The ESQUADAT system is a Saskatchewan Environment (SE) corporate water quality database. ESQUADAT is a centralized database system with province-wide access. The ...


66. 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 ...


67. Florida Bay sediment geochemical data [USGS_SOFIA_orem_fb_sed_geochem]
The data set contains the sample ID, depth (cm), sediment size, fine sediment fraction (<60m), total C %, organic C %, total N %, total P %, C/N, C/P, and N/P. This project is examining (1) sources ...


68. 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 ...


69. Geochemical and geomorphological investigations of the McMurdo Dry Valleys freshwater and saline water bodies [K211_1963_1987_NZ_1]   CHILD DIFs
Since the 1963-1964 season, Japanese scientists have studied major and trace elements, nutrient matter, stable and radioactive isotopes and organic constituents in lakes and ponds and geological samples ...


70. Geochemical studies, the natural abundance of nitrogen isotopes in soil and evaporates and observations of the sequential changes in the saline lakes of the Dry Valleys and surrounding areas [K211_1978_1979_NZ_1]   PARENT DIF
Geochemical studies on the tritium chronology of Lake Vanda, the natural abundance of nitrogen isotopes in soil and evaporites in the Dry Valleys and observations of the sequential changes in the ...


71. Geophysical studies of Lake Vanda, Wright Valley, including lake water and ice parameters and geomorphological studies of the surrounding physical environment with comparisons with other nearby water bodies [K211_1970_1973_NZ_1]   PARENT DIF
A geophysical study of Lake Vanda, Wright Valley was conducted over three seasons focussing on the heat balance of the lake with geochemical and geomorphological studies running concurrently. Comparisons ...


72. Limnological studies of Dry Valley lakes: water parameters (pH, conductivity, nutrients, temperature), uranium content, trace elements, isotopic ratio and tritium concentrations, and geochemical samples [K211_1984_1986_NZ_1]   PARENT DIF
A large number of saline and freshwater lakes and ponds of the Dry Valley area and crater lakes behind the McMurdo station were visited for limnological study including Lake Fryxell of the Taylor ...


73. Measurements of environmental radiation near Scott Base and McMurdo Station and in the McMurdo Dry Valleys [K211_1984_1985_NZ_1]   PARENT DIF
The level of environmental radiation (gamma ray exposure) due to terrestrial radionuclides was measured by using a portable NaI gamma ray survey meter in the Ross Island (near Scott Base and McMurdo ...


74. 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. ...


75. 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 ...


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