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1. Vent GIS Data: Juan de Fuca Ridge [VENTS_GIS_Juan]
Hydrothermal vent locations have been determined by visits to the site using various underwater instruments including submarines and remotely operated vehicles. Positions are determined acoustically ...


2. Vent GIS Data: The Axial Volcano of the Juan de Fuca Ridge [VENTS_GIS_Axial]
Hydrothermal vent locations have been determined by visits to the site using various underwater instruments including submarines and remotely operated vehicles. Positions are determined acoustically ...


3. Apalachicola-Chatahoochee Flint River Basin Ground Water Data [usgs_nawqa_acfriver_groundwater]
Surface- and ground-water quality data were collected in the Apalachicola-Chattahoochee-Flint (ACF) River basin from August 1992 to September 1995 as part of the USGS National Water Quality Assessment ...


4. Apalachicola-Chatahoochee-Flint River Basin Surface Water Data [usgs_nawqa_acf_surfacewater]
Surface- and ground-water quality data were collected in the Apalachicola-Chattahoochee-Flint (ACF) River basin from August 1992 to September 1995 as part of the USGS National Water Quality Assessment ...


5. Atlantic Salmon Watersheds [gomc_359]
Welcome to PEARL's focus on the Atlantic Salmon Watersheds. These pages are being designed to provide direct access to key data sets and information summaries for the salmon watersheds. Completion ...


6. BALANS Hydro1K Basin [BALANS_Hydro1K]
Examination of the existing drainage basin delineation at "Baltic Sea region GIS, maps and statistical database" (digitized after a drainage basin definition done in 1986) in comparison with the Hydro1k ...


7. Bacterioplankton dynamics in Antarctic lakes [ASAC_2154]
---- Public Summary from Project ---- Bacteria are an important part of the planktonic community of lakes and other aquatic environments. They use dissolved organic carbon in the water as a ...


8. Benthic-invertebrate, fish-community, and streambed-sediment-chemistry data for steams in the Indianapolis metropolitan area, Indiana, 2009-2012 [USGS_IndianapolisMetroStreams]
Aquatic-biology and sediment-chemistry data were collected at seven sites on the White River and at six tributary sites in the Indianapolis metropolitan area of Indiana during the period 2009 through ...


9. Biological, physical and chemical parameters in water and microbial mat samples from ponds in Victoria Valley [K081_2003_2005_NZ_2]
Water and microbial mat communities of the ponds in the Victoria Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and altitudinal gradients ...


10. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Cape Hallett vicinity and cryoconite holes on the Tucker and Bornmann glaciers [K081_2005_2006_NZ_3]
A series of 10 ponds, located away from the main influences of the penguin colony at Cape Hallett, were investigated for variation in chemistry and microbial mat development. Cores of benthic microbial ...


11. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Labyrinth area of Wright Valley [K081_2003_2005_NZ_1]
Water and microbial mat communities of the ponds in the Labyrinth area of Wright Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and ...


12. Monitoring of Toxic Phytoplankton in the Estuary and Gulf of St. Lawrence [Canada_OSL_ToxicPhytoplankton]
The following raw data is available for the following stations: Baie Comeau, Carleton, Gascons, Havre-aux-Maisons (?les-de-la-Mad.), Mont-Louis, Natashquan, Penouille, Sept-?les, Ste-Flavie, Tadoussac ...


13. Polar Urals Environmental Change after Last Ice Age (#1217, PUECH, IV IPY) ? hydrology, hydrochemistry and meteorology [PUECH-hydro]
The PUECH-Hydro consists of hydrological and meteorological data, which were collected during project Polar Urals Environmental Change after Last Ice Age (PUECH, no. #1217). The PUECH was organized ...


14. Puget Sound Monitoring Program [WA_pswqat]
The Puget Sound Water Quality Action Team and Puget Sound Council require information about the condition of the Puget Sound environment to evaluate progress toward meeting the Plan's ...


15. Chemistry data from the Environmental Impact Assessment of the Davis Sewage Outfall [DAVIS_STP_Chemistry]   CHILD METADATA   PARENT METADATA
Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was ...


16. SPARROW Model Results: Nutrient Loads and Sources for New England Watersheds [USGS_SPARROW_RES]
The U.S. Geological Survey (USGS), in cooperation with the New England Interstate Water Pollution Control Commission (NEIWPCC) and the U.S. Environmental Protection Agency (USEPA), developed the New ...


17. LBA-ECO LC-07 Lake Sediment Nutrient Data, Lago Calado, Brazil: 1982-1984 [LC07_LAKE_NUTRIENT_SEDIMENTS_1050_1]
This data set reports lake sediment texture and porosity, carbon (C), nitrogen (N), and phosphorus (P) content of surficial sediments, 210Pb-derived nutrient accumulation rates in sediments, and burial ...


18. LBA-ECO ND-02 Stream Water Chemistry, Paragominas, Para, Brazil: 1999-2005 [ND02_WATER_CHEMISTRY_PARAGOMIN_1067_1]
This data set includes measurements of dissolved nutrient and organic carbon concentrations, as well as dissolved oxygen, alkalinity, conductivity, turbidity, pH, and discharge from three streams ...


19. Compendium of Environmental Sustainability Indicator Collections: The Wellbeing of Nations [CIESIN_SEDAC_CESIC_WELLBEING_1.0]
The Wellbeing of Nations portion of the Compendium of Environmental Sustainability Indicator Collections contains a subset of 123 variables assembled from the Wellbeing of Nations, which assesses ...


20. Compendium of Environmental Sustainability Indicator Collections: Complete Collection, Version 1.1 [CIESIN_SEDAC_CESIC_COMPLETE_V11_1.01]
The Compendium of Environmental Sustainability Indicator Collections, Version 1.1 contains 426 indicators for 239 countries from five major environmental sustainability indicator efforts: the 2006 ...


21. Modeling Effects of Hydrothermal Venting on the Benthic Ocean [MODEL_VENTS]
A variety of analytic and numerical models have been developed to look at circulation and transport in hydrothermal regions. The primary three-dimensional time-dependent numerical models are: the ...


22. Modeling Water Quality in the Tualatin River, Oregon, 1991-1997 [WRIR_01_4062]
The calibration of a model of flow, temperature, and water quality in the Tualatin River, Oregon, originally calibrated for the summers of 1991 through 1993, was extended to the summers of 1991 through ...


23. NERC Land Ocean Interaction Study (LOIS) River-Atmosphere-Coast Study (RACS) data off the east coast of England (from 1992) [BODC_NERC_LOIS_RACS]   CHILD METADATA
The River-Atmosphere-Coast Study (RACS) of the Natural Environment Research Council (NERC) of the United Kingdom studies land-sea interactions in the coastal zone and the major exchanges (physical, ...


24. New Hampshire Environmental Monitoring Data (EMD) [NHDES_EMD]
The Environmental Monitoring Database (EMD) started out as a repository for river, lake, estuary, and ocean data collected by the New Hampshire Department of Environmental Services (NHDES) Watershed ...


25. New York Harbor Water Quality Surveys [NYC_NYharborwaterquality]
This dataset provides annual surveys of water quality. The harbor survey monitors the quality of harbor waters and identifies the impacts of the city's pollution control programs ...


26. Northeast Pacific Seismicity Quarterly Epicenter Maps [NESEISMIC_VENTS]
Earthquake location maps for the NE Pacific have been accumulated since August 29, 1991. The source location fixes are based on bearing and arrival time information at 3 to 11 SOSUS hydrophone sites. ...


27. Nutrient Concentrations in Upper and Lower Echo, Fallen Leaf, Spooner, and Marlette Lakes and Associated Outlet Streams, California and Nevada, 2002-03 [USGS_OFR_2004_1333]
Five lakes and their outlet streams in the Lake Tahoe Basin were sampled for nutrients during 2002-03. The lakes and streams sampled included Upper Echo, Lower Echo, Fallen Leaf, Spooner, and Marlette ...


28. 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 ...


29. 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 ...


30. 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 ...


31. PEI Water Analysis Database (WATSIS) [Canada_PEI_WATSIS]
The Prince Edward Island Water Analysis Database (WATSIS) contains current and historical water analyses from surface water quality monitoring programs undertaken by the Prince Edward Island Department ...


32. Rainfall, Runoff, and Water-Quality Data for the Urban Storm-Water Program in the Albuquerque, New Mexico, Metropolitan Area, Water Year 2004 [USGS_OFR_2006_1105]
Urbanization has dramatically increased precipitation runoff to the system of drainage channels and natural stream channels in the Albuquerque, New Mexico, metropolitan area. Rainfall and runoff data ...


33. 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 ...


34. Risk of nitrate contamination in ground waters of the United States-- A national perspective [USGS_gwrisk]
This map was designed to present patterns of risk for nitrate contamination at large regional or national scales. Knowing where and what type of risks to ground water exist can alert water-resources ...


35. Rothera Permanent DORIS Observatory Site [scar-ggi12]   PARENT METADATA
This permanent Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) site contributes data to the International Earth Rotation Service (IERS). Climate indicators of rothera ...


36. STUDY OF THE EFFECTS OF THE INCIDENT UV RADIATION ON ISOLATED STRAINS AND ANTARCTIC BACTERIAL COMMUNITIES [CDA_AR_PICTA-10-2004-EFFECTS-UV]   PARENT METADATA
ENGLISH Since the crucial role having by the microorganisms in the nutrient cycling of the coastal marine ecosystem in Antarctica, the aim of this project is to analyze the effect of the incident ...


37. Sampling based chemical and biogeochemical stratification profiles of melt water ponds at Bratina Island, McMurdo Ice Shelf [K081_2005_2006_NZ_2]
A comprehensive suite of geochemical samples and measurements from a selection of meltwater ponds at Bratina Island was collected in the 2005/06 and 2006/07 seasons. The purpose was to help identify ...


38. Selenium Concentrations in Irrigation Drain Inflows to the Salton Sea, California, October 2006 and January 2007 [USGS_OFR_2007_1113]
This report presents raw data on selenium concentrations in samples of water, sediment, detritus, and selected food-chain matrices collected from selected agricultural drains in the southern portion ...


39. Streamflow and Nutrient Fluxes of the Mississippi-Atchafalaya River Basin and Subbasins for the Period of Record Through 2005 [USGS_OFR_2007_1080]
The U.S. Geological Survey has monitored streamflow and water quality systematically in the Mississippi-Atchafalaya River Basin (MARB) for more than five decades. This report provides streamflow and ...


40. Surface-Water-Quality Assessment of the Yakima River Basin, Washington [WRIR_98_4113]
Surface-water-quality conditions were assessed in the Yakima River Basin, which drains 6,155 square miles of mostly forested, range, and agricultural land in Washington. The Yakima River Basin is ...


41. The adaptation of cyanobacterial mats from the McMurdo Ice Shelf, Mt Discovery and the Alph River system to Antarctic environmental extremes [K081_1990_1991_NZ_1]
The microbial adaptations of the cyanobacterial mats of the ponds of the McMurdo Ice Shelf to the environmental extremes experienced at this location, including changes in temperature and salinity, ...


42. The change in metabolism, and chemical and physical dynamics, after a transition from light to dark conditions, of melt water ponds on the McMurdo Ice Shelf [K081_2007_2008_NZ_1]
Detailed assessments of the metabolism in one melt water pond on the McMurdo Ice Shelf was investigated. The pond chosen had considerable background knowledge on its general chemistry and biology, ...


43. The changes in the physical, chemical and biological processes in melt water ponds during the late season freeze processes into the polar winter at Bratina Island [K081_2007_2008_NZ_2]
How the onset of winter conditions affects the physical and chemical conditions within the melt water ponds on the McMurdo Ice Shelf (of which summer information is available) and how these changes ...


44. The ecology (tidal and weather records, distribution and abundance of microbes and quantification of nitrogen transformation) of an Antarctic tidal lagoon and mudflats at Bratina Island, McMurdo Ice Shelf [K081_1992_1993_NZ_2]
A tidal lagoon at Bratina Island experiences a daily inundation with tidal height varying. Low tide reveals a network of ponds, streams and tidal flats that appear to be highly productive with all ...


45. The effects of increased flow on the distribution of nutrient sources and sinks and the physical, chemical and biological components in the Onyx River ecosystem [K081_1993_1996_NZ_1]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. The effects of this ...


46. The factors controlling planktonic primary and secondary production in 22 meltwater ponds varying in chemical conditions, and in layers of stratified ponds [K081_2006_2007_NZ_1]
The importance of the large differences in chemistry in the ponds of the McMurdo ice shelf for their planktonic productivity was examined by comparing rates of primary (algal) production and secondary ...


47. The hydrology (pattern of flow and composition of meltwater) of a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ]   CHILD METADATA
The seasonal melt regime of the Wright Lower Glacier, Wright Valley, Dry Valleys, Antarctica was investigated and monitored over three field seasons (04-05, 05-06 and 06-07). The water cycle, which ...


48. The physical and biological structure of the water column in Lake Vanda and the influences to it from the inflow of the Onyx River [K081_1993_1996_NZ_2]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. Prior to the first flows ...


49. The physical and geochemical parameters controlling algal production in Lake Vanda [K081_1980_1981_NZ_1]
The factors controlling algal production in Lake Vanda were investigated experimentally by nutrient bioassays and in situ radiotracer incubations. Photosynthetic profiles were measured through the ...


50. The rates of benthic photosynthesis of microbial mats at low irradiances in Lake Hoare and Lake Fryxell, Taylor Valley [K081_2006_2007_NZ_2]
Photosynthesis rates of microbial mats were measured at a range of irradiances to determine the performance of mats at low irradiances at Lake Hoare and Fryxell. Underwater irradiance measurements ...


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