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1. 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/). ...

2. 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 ...

3. 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, ...

4. ACS data collected on the BROKE-West Survey [BROKE-West_ACS]   PARENT DIF
Profiles of visible light absorption and attenuation coefficients were measured in the upper 100m of the water column. Data Acquisition: The Wetlabs ACS spectral absorption and ...

5. Effect of Global Change on the Primary Production of Antarctic coastal Ecosystems [ASAC_2518]
Metadata record for data from ASAC Project 2518 See the link below for public details on this project. Global climate change will lead to a reduction in the duration and thickness of sea ice in coastal ...

6. Functional dynamics of the microbial loop in saline lakes of the Vestfold Hills [ASAC_919]
Metadata record for data expected from ASAC Project 919. See the link below for public details on this project. The plankton dynamics of Ace Lake, a sline, meromictic basin in the Vestfold Hills, ...

7. Ecosystem metabolism for an arctic warm spring-stream (Ivishak Hot Spring, Alaska) [ecosystem_metabolism_for_an_arctic_warm_spring-stream_ivishak_hot_spring_alaska]
We investigated the productivity of a perennial, Arctic spring-stream. Ivishak Spring has the stable discharge (~131 L/s) and temperature (~4-8oC) typical for springs. It is unusual, however, in having ...

8. Aquatic Cycling of Mercury in the Everglades Project Database [USGS_SOFIA_ACME_DB]
Between 1995 and 2008, the Aquatic Mercury Cycling in the Everglades (ACME) project examined in detail the biogeochemical parameters that influence methylmercury (MeHg) production in the Florida Everglades. ...

9. Long Term Ecological Research (LTER) Site Data, North Slope of Alaska [ARCSS010]
As part of the Arctic Long Term Ecological Research (ARC LTER) project, numerous investigators have collected diverse environmental data from sites in the northern foothills of Alaska's Brooks Range. ...

10. State of the Chesapeake Bay Report [CBF_StateofChesapeake]
The State of the Bay Report is an annual report that provides the results on the health and environmental condition of the Chesapeake Bay. To create the ...

11. Water-Quality Assessment of the Potomac River Basin: Water-Quality and Selected Spatial Data, 1992-1996 [CBP_PNAQWA]
The U.S. Geological Survey (USGS) implemented the National Water-Quality Assessment (NAWQA) Program to describe the status and trends in the quality of the Nation's surface water and ground water ...

12. Water Quality in the Yukon River Basin, Alaska, Water Years 2006-2008 [USGS_OFR_2010_1241]
The Yukon River Inter-Tribal Watershed Council and the U.S. Geological Survey developed a water-quality monitoring program to address a shared interest in the water quality of the Yukon River and ...

13. 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 DIFs
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 ...

14. Long-Term Monitoring of Signy Lake Chemistry by BAS 1963-2004 [GB-NERC-BAS-AEDC-00063]
The long term monitoring of water chemistry in Signy Island lakes is unique in polar limnology, in its duration (30+ years), detail, and range of sites. It details seasonal patterns of snow and ice ...

15. The CTD dataset of a coastal ecosystem water profile in Kongsfjorden, Arctic (2007) [CNNADC_2007_King_Bay_Arctic_CTD_Description]
The field investigation was carried out in Kongsfjorden. Profiles of water temperature, salinity, chlorophyll a concentrations, and light within the upper 200 m water column at 5 stations (to near ...

16. The CTD dataset of a coastal ecosystem water profile in Kongsfjorden, Arctic (2008) [CNNADC_2008_King_Bay_Arctic_CTD_Description]
The field investigation was carried out in Kongsfjorden. Profiles of water temperature, salinity, chlorophyll a concentrations and light within the upper 200 m water column at 5 stations (to near ...

17. Investigations of the algal ecology of Lake Vanda, Wright Valley and Lake Miers, Miers Valley [K042_1964_1965_NZ_4]
The algal ecology of two Antarctic lakes, Lake Vanda, Wright Valley and Lake Miers, Miers Valley, were studied, and extensive collections were made of littoral and terrestrial algae, lichens and mosses. ...

18. 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. ...

19. An ecological study of Bird Pond at Cape Bird: water parameters, population density and identification plants and animals [K014_1970_1971_NZ_3]
A seasonal ecological study was carried out at Bird Pond, Cape Bird. At weekly intervals the water temperature, depth, conductivity, pH and light were recorded, water samples were analysed for oxygen, ...

20. Benthic mat biomass, productivity (photosynthesis and respiration) and contributions to lake nutrient cycling in Lake Hoare, Taylor Valley [K081_1996_2000_NZ_1]
The importance of benthic microbial mat production in the Lake Hoare, Taylor Valley and how the mats are adapted to survive and grow in deep water (extreme low light but no freezing) was investigated. ...

21. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...

22. Long-Term Ecological Research (LTER)/ARC003: Climate Data for Toolik Lake Area,Arctic Tundra, Alaska [LTER_ARC003]
LTER - Long-Term Ecological Research Program/Toolik Lake, Arctic Tundra, Alaska (ARC) LTER/ARC003 [Summary adapted from the LTER Core Data Set Catalog]: Climatic/meteorological ...

23. 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 ...

24. Benthic mat biomass and productivity (photosynthesis and respiration) in Lake Vanda, Wright Valley and the role of invertebrates in carbon cycling in the lake [K081_1997_2000_NZ_1]
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but ...

25. Ecological investigation of nitrogen sources and sinks in Lake Wilson and three catchment ponds in the Darwin Glacier region [K081_1992_1993_NZ_1]
Ecological investigations into the waters of the Darwin Glacier region (extreme southern end member to the Dry Valley system) were carried out to extend knowledge of microbial processes to high latitude ...

26. Investigations into the Deep Chlorophyll Maximum Layer of Lake Vanda, Wright Valley: How is the DCM maintained at a constant depth in spite of lake level rise? [K081_1994_1996_NZ_1]
The waters of Lake Vanda, Wright Valley, have risen at a rate of 1m per year. Within the lake there is a biologically important layer, the deep chlorophyll maximum (DCM), where high algal production ...

27. 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 ...

28. The response of microbial communities in the ponds of the McMurdo Ice Shelf to autumn-winter-spring freeze conditions (light levels, temperature, salinity, etc) [K081_1995_2000_NZ_1]
Parts of the McMurdo Ice Shelf area is covered by freshwater ponds, many of which contain abundant growths of algae and cyanobacteria and few invertebrate species. The habitat is very variable in ...

29. 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 ...

30. Ground-Water Quality in the Mohawk River Basin, New York, 2006 [USGS_OFR_2008_1086]
Water samples were collected from 27 wells from August through November 2006 to characterize ground-water quality in the Mohawk River Basin. The Mohawk River Basin covers 3,500 square miles in central ...

31. FONDAP-HUMBOLDT Programme [GLOBEC_023_CHL_001]   CHILD DIFs
FONDAP-HUMBOLDT Program - Circulation and Physical-Biological Interactions in the Humboldt Current System and their Impact upon Regional Biogeochemical Cycling 1997-2000 The FONDAP-Humboldt program ...

32. Water Quality Data for the Cuyahoga Valley National Recreation Area, 1957-1994, from EPA/STORET [CSUOHIO_CESTP_EDP_19970040]
This dataset was compiled as part of the National Park Service's (NPS) Baseline Water Quality Data Inventory and Analysis Project. The objective of this project was to retrieve, format, and analyze ...

33. Circulation and Physical Processes within the San Gabriel River Estuary During Summer 2005 [USGS_OFR_2007_1011]
The Southern California Coastal Water Research Project (SCCWRP) is developing a hydrodynamic model of the SGR estuary, which is part of the comprehensive water-quality model of the SGR estuary and ...

34. Lake Michigan Ecological Monitoring (1983-1993) [GLERL0009]
This data set contains numerous measurements of chemical, biological, and physical parameters for stations in southeastern Lake Michigan for the period 1983 to the present. Measured variables include ...

35. 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 DIFs
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, ...

36. 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 ...

37. Water-Chemistry Data for Selected Hot Springs, Geysers, and Streams in Yellowstone National Park, Wyoming, 2001-2002 [USGS_OFR_2004_1316]
Water analyses are reported for one-hundred-twenty-one samples collected from hot springs and their overflow drainages, the Gibbon River, and one ambient-temperature acid stream in Yellowstone National ...

38. Water-Quality Data, Huron County, Michigan 2004 [USGS_OFR_2005_1380]
The U.S. Geological Survey (USGS) conducted a survey of water quality and quantity in Huron County, Michigan from 1988-1990 (Sweat, 1992). In that study atrazine, a widely-used agricultural herbicide ...

39. Trans-Atlantic Study of Calanus: Large Scale Distribution, Life History and Predation [GLOBEC_069_TASC_003]   PARENT DIF
The distribution, abundance and population structure of Calanus are governed by production, predation, advection and behaviour. This task of the TASC programme addressed these topics on different ...

40. Watershed Assessment, Tracking and Environmental Results [EPA_WATERS]
The Environmental Protection Agency (EPA), in partnership with states, territories and tribes, is improving communication with the regulated community and the public about the quality of the Nation?s ...

41. LIFECO: LInking hydrographic Frontal activity to ECOsystem dynamics in the North Sea and Skagerrak: Importance to Fish Stock recruitment [GLOBEC_071_LIFECO_001]   CHILD DIFs
LIFECO takes a holistic approach to the understanding of a key element of the North Sea ecosystem: resolving the importance of frontal regions, a key organising processing the marine environment, ...

42. USGS Chesapeake Bay Activities [USGS_Chesapeake]
The Chesapeake Bay, the Nation's largest estuary, has been degraded due to water quality problems, loss of habitat, and over harvesting of living resources. Additionally, the Bay was listed under ...

43. Long-Term Ecological Research (LTER)/NTL001: Physical Limnology of North Temperate Lakes Primary Study Lakes [LTER_NTL001]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL001 [Summary adapted from the LTER Core Data Set Catalog]: Parameters characterizing the physical limnology of the ...

44. Particle dynamics and pelagic-benthic coupling in Potter Cove: Effects of global climate change on the coastal environment. Project No. 19 2002-2004 [CDA_AR_MAR_OQ_COASTAL-EFFECT]
En Espanol: Dinamica de particulas y acoplamiento pelagico-bentonico en Caleta Potter: Efectos del cambio climatico global sobre el ambiente costero El aumento del derretimiento de hielo antartico ...

45. Acid Sensitive Waters Dataset for Ireland [Ireland_EPA_Acid_Water]
The dataset contains information on the chemical and biological measurements carried out on selected acid-sensitive waters in Donegal, Connemara and Wicklow since 1984. Measurements of dissolved oxygen, ...

46. Biological River Water Quality Dataset for Ireland [Ireland_EPA_River_Quality]
This database IV dataset holds details of all rivers and the individual locations surveyed since 1971. Details include river name, EPA Code, National Grid_REFERENCEs of sample locations and of river/stream ...

47. Lake Water in Ireland Dataset [Ireland_EPA_Lake]
The dataset holds information on chemical and biological measurements carried out on lakes, in some instances also their feeder streams, in Ireland by An Foras Forbartha, Environmental Research Unit ...

48. Chemical and Biological Data; US Great Lakes; Nutrients, Carbon, Zooplankton, Phytoplankton, Bacteria, Major Ions, Light, Temperature, Sediments [OAR0159]
[ A more complete version of this directory entry is in process. 12/30/93] This directory entry was created from information gathered in a survey conducted as part of NOAA's Data System Modernization ...

49. Chemical and Physical Characteristics of the Great Lakes (1965-1978) [GLERL0002]
The yearly investigations for the years 1965 to 1974 were formulated and directed by Dr. Arthur P. Pinsak (retired). The 1975 cruises were planned and directed by Gerald L. Bell and Dr. Richard L. ...

50. Great Lakes Temperature and Transparency (1980-1993) [GLERL0003]
This data set contains temperature and transparency profiles that are collected at sediment trap stations at the time of deployment or retrieval. The collections ,which began in 1980, were infrequent ...

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