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1. LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil [LBA_CDO2_LEAF_GAS_EXCHANGE]
This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of ...


2. LBA-ECO CD-02 Carbon and Oxygen Isotopes in Atmospheric CO2 in the Amazon: 1999-2004 [LBA_CDO2_ATMOSPHERE_ISOTOPES]
This data set reports carbon and oxygen stable isotope ratios of atmospheric carbon dioxide (CO2) collected at several forest and pasture sites and in the free troposphere over Amazonia. There are ...


3. WAISCORES Snow Pit Chemistry, Antarctica [NSIDC-0420]
This data set is part of the West Antarctic Ice Sheet cores (WAISCORES) project, an NSF-funded project to understand the influence of the West Antarctic Ice Sheet on climate and sea level change. ...


4. 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 ...


5. An assessment of some uncertainties in using ice core S180 data to deduce past temperatures [ASAC_987]
This project has no actual data to archive, but several pdf copies of publications produced from this work are available for download to AAD staff only from the provided URL. Taken from the abstracts ...


6. Coring Analyses of Cores from Near Shore Sites in the Vestfold Hills [ASAC_310]
The sedimentological, chemical and isotopic characteristics of sediment cores from three slightly saline to hypersaline lakes (Highway, Ace and Organic Lakes) and two marine inlets (Ellis Fjord and ...


7. Development of a mathematical model for both solute transport in snow and isotopic evolution of snowmelt [KPDC_DMMSIES_2012]
Chemical and isotopic variations of snowmelt provide important clues for understanding snowmelt processes and the timing and contribution of snowmelt to catchment or watershed in spring. The newly ...


8. Use of Sulfur and Nitrogen Stable Isotopes to Determine the Importance of Whitebark Pine Nuts to Yellowstone Grizzly Bears [NRMSC_sulfurnitrogenstableisotopes]
Whitebark pine (Pinus albicaulis) is a masting species that produces relatively large, fat- and protein-rich nuts that are consumed by grizzly bears (Ursus arctos horribilis). Trees produce abundant ...


9. LBA-ECO CD-06 CARBON CYCLING IN RIVERS IN AMAZONAS AND ACRE, BRAZIL: 2005-2006 [CD06_CARBON_RESPIRATION]
This data set provides measured and calculated variables describing the carbon pools in river waters, CO2 respired from the water and total amount of CO2 evaded, dissolved oxygen isotopes (delta 18O-O2), ...


10. Equatorial Pacific Coral Paleoclimate Data [EARTH_OCEAN_NGDC_PALEO_CORAL1]   CHILD DIFs
A set of Coral Data from the Pacific relevant to paleoclimate studies is available via FTP from the World Data Center for Paleoclimatology at NCDC in Boulder, Colorado USA. See below for access instructions. ...


11. 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. ...


12. Oxygen and Deuterium Isotope Measurements from Siberia, 2002-2004 [ARCSS157]
Investigators performed a stable isotope analysis of rain, snow, the Kolyma River, and a local stream near Cherskii, Siberia from 30 June 2002 through 27 April 2004. As part of the Russian-American ...


13. GISP2 Stable Isotopes (Deuterium, Deuterium Excess, and Oxygen) [ARCSS137]
The data compiled here consist of GISP2 deuterium, deuterium excess, and oxygen isotope values measured at the Stable Isotope Laboratory, Institute of Arctic and Alpine Research (INSTAAR), University ...


14. Greenland Summit Ice Cores [ARCSS008]
From 1989 to 1994, the U.S. and European scientific communities supported a bold undertaking to acquire an extensive paleoclimate record for the Northern Hemisphere. These efforts, termed the Greenland ...


15. 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. ...


16. 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 ...


17. 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 ...


18. 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 ...


19. Data on freshwater and hydrochemistry in the Antarctic Peninsula region. [CNDP-ESP_GEOANT-UAM_Freshwater]   PARENT DIF
In English: Surface freshwater, snow and groundwater studies in the Antarctic Peninsula region and Ellsworth Mountains. Hydrochemical data. From projects of the research group on Geology of the University ...


20. Data on geomorphology, neotectonics, soils, permafrost and freshwater in the Antarctic Peninsula region. [CNDP-ESP_GEOANT-UAM]   CHILD DIFs
In English: This dataset contains registered data on studies carried out by the research group on Geology from the University Autonoma of Madrid (GEOANT). Data about geomorphology, neotectonics, ...


21. Chronology and Isotope Geochemistry of Ground Waters in the Florida Keys and Offshore Areas [USGS_SOFIA_chron_isotope_geochem_FL_Keys]
This project involves sampling surface waters and ground waters from Florida Bay, the Keys, and offshore to the barrier reef. Analyses will be done on a variety of isotopic and chemical species that ...


22. Development of Integrated Sampling of Fishes in Forested Wetlands in South Florida with Emphasis on Food Web Structure [USGS_SOFIA_fish_sample]
This study seeks to refine sampling methodology in the forested wetlands, to collect baseline data for aquatic animals to enable comparisons between Comprehensive Everglades Restoration Plan (CERP) ...


23. 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 ...


24. Thorium-234 Activity in Particulate and Dissolved Components Measured during the JGOFS Equatorial Pacific Process Study (EQPAC) [JGOFS_EQPAC_THORIUM_234]
The Equatorial Pacific Process Study (EQPAC) was conducted along 140 deg W longitude during 1992. Four cruises took place: February 3 - March 9, March 19 - April ...


25. Thorium-234 Activity in Particulate and Dissolved Phases Measured during the JGOFS North Atlantic Bloom Experiment (NABE) [JGOFS_NABE_TH234ACTIVITY]
The Joint Global Ocean Flux Study (JGOFS) seeks to understand the processes that control the transfer of carbon and other biologically active elements in the ocean. In addition, ...


26. Chemical and nutrient analysis of meltwaters in the Victoria Valley and Bull Pass [K091_1989_1990_NZ_1]
Baseline chemistry data for ponds and lakes in the Victoria Valley/Bull Pass region was collected in January 1990. Water samples were taken from Upper Victoria Glacier drainage, Lake Victoria, Lake ...


27. Hydrologic monitoring and synthesis of existing hydrologic data in the Florida Panther National Wildlife Refuge and surrounding areas [USGS_SOFIA_panther_refuge_hydro]
The objectives of this project are to 1. Inventory existing hydrologic data available in the vicinity of the Florida Panther National Wildlife Refuge (FPNWR) including all data that can be used for ...


28. Evaluation of Methods to Determine Ground-water Seepage Below Levee 31N, Dade County Florida [USGS_SOFIA_solomet]
The primary objective of this investigation is to quantify seepage below Levee L31N. The amount of water lost to the L-31N Canal versus the fraction that flows below the canal will be estimated. A ...


29. 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 ...


30. Use of Stable Isotopes as Indicators of Volatile Sulfur Emissions in Forests [USDA0580]
The purpose of "Use of Stable Isotopes as Indicators of Volatile Sulfur Emissions in Forests" is to explore the use of the natural abundance of sulfur isotopes as a measure of volatile sulfur emissions ...


31. Geochemical Data from Produced Water Contamination Investigations: Osage-Skiatook Petroleum Environmental Research (OSPER) Sites, Osage County, Oklahoma [USGS_OFR_2007_1055]
The USGS reports chemical and isotopic analyses of 345 water samples collected from the Osage-Skiatook Petroleum Environmental Research (OSPER) project. Water samples were collected as part of an ...


32. Water and Sediment Quality in the Yukon River Basin, Alaska, During Water Year 2005 [USGS_OFR_2007_1037]
This report contains water-quality and sediment-quality data from samples collected in the Yukon River Basin from March through September during the 2005 water year (WY). Samples were collected throughout ...


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. Elk Lake, Minnesota, Paleoclimate Data, WDC Paleoclimatology [EARTH_LAND_NGDC_PALEOCL_ELKLAKE]
This data set contains data files of various parameters collected in Elk Lake, Minnesota. The lake has generated considerable interest due to its 10,000 year record of varved sediments. Extensive ...


35. Paleocene Thermal Maximum Data, Bass River, NJ [NOAA_NCDC_PALEO_1999-007]
A thick, apparently continuous section recording events of the latest Paleocene thermal maximum in a neritic setting was drilled at Bass River State Forest, New Jersey as part of ODP Leg 174AX ...


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 and Sediment Quality in the Yukon River Basin, Alaska, During Water Year 2003 [USGS_OFR_2005_1397]
This report contains water-quality and sediment-quality data from samples collected in the Yukon River basin from March through September during the 2003 water year (WY). Samples were collected throughout ...


39. 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 ...


40. 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 ...


41. 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 ...


42. Water samples from supraglacial lakes, Queen Maud Land [lehtinen_supraglacial_lakes2004]
Hydrogeochemical research about the supraglacial lakes in Queen Maud Land, Antarctica. Main research target was the supraglacial lakes in Vestfjella mountains. Data consist of water, salt and rock ...


43. 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 ...


44. Hydrogen and Oxygen Isotopic Ratios of River Water in the Drainage System of the Omono River [OMONOR]
Hydrogen and oxygen isotopic ratios of river water were measured at 29 points in the drainage of the Omono River and also at 19 points in a small drainage located north of the Omono drainage. The ...


45. Oxygen and Carbon Isotopic Data from Wellington Creek, Lorain County, Ohio [CSUOHIO_CESTP_EDP_19960010]
Oxygen isotopic values have been obtained from microsamples of the aragonitic freshwater bivalves Sphaerium striatinum (Pisidiidae) and Anodonta grandis (Unionidae) alive from Wellington Creek, Ohio. ...


46. Runoff Analysis Using Multiple Isotope Tracers in the Iwami River Drainage, Akita, Japan [IWAMIRO]
The rate of direct runoff was determined after a heavy rain fall in the Iwami River drainage (ca. 100km2), based on changes in hydrogen and oxygen isotopic ratios and tritium content of river water. ...


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