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44 Titles Match Your Query
Showing 1 through 44 of 44
1. 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 ...


2. Dust Deposition in Southern Nevada and California [VATECH_VAdust]
Dust samples taken annually for five years from 55 sites in southern Nevada and California provide an unparalleled source of information on modern rates of dust deposition, grain size, ...


3. 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 ...


4. 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 ...


5. Heard Island glacier fluctuations and climatic change - 2003/04 Fieldwork [ASAC_2363]
This report describes the data collected for ASAC project 2363 (a continuation of ASAC 1158). A full report of the data collected and the work completed is available for download with the dataset. ...


6. Physical-Chemical Properties and Environmental Fate Handbook CRCnetBASE 2000 [CRCnetBASE2000]
Taken from the preface to the CD. &Physical-Chemical Properties and Environmental Fate& Handbook CRCnetBASE 2000 includes over 600 chemicals, a 20 percent increase from the previous version, which ...


7. Major ion chemistry data of WAIS Divide ice core brittle ice [NSIDC-0546]
The brittle ice section (577-1300 m) of the main WAIS Divide ice core (WDC06A) was analyzed for major ion concentrations with ion chromatography.


8. Resource Conservation and Recovery Information System (RCRIS) [EPA0169]
The "Resource Conservation and Recovery Information System (RCRIS)" database has been compiled by state and federal environmental agencies under the direction of the U.S. Environmental Protection ...


9. SAFARI 2000 C-130 AEROSOL AND METEOROLOGICAL DATA, DRY SEASON 2000 [s2k_met_c130]
The Met Office C-130 research aircraft was based at Windhoek, Namibia between September 5-16, 2000, where it conducted a series of flights over Namibia as part of the SAFARI 2000 Dry Season Aircraft ...


10. French-EPOCA [1008_0_IPEV_FR]
All data will made public via EPOCA according to EPOCA rules.


11. Ridge PetDB: Petrological Database of the Ocean Floor [PETDB]
The Ridge PetDB is a petrological database of igneous rock samples collected on the ocean floor. It is a project funded by the National Science Foundation (NSF), developed and maintained by the Lamont-Doherty ...


12. LBA-ECO ND-02 SOIL GAS FLUX, RAINFALL EXCLUSION, KM 67, TAPAJOS NATIONAL FOREST [LBA_REE]
Moist tropical forests in Amazonia and elsewhere are subjected to increasingly severe drought episodes through the El Nino-Southern Oscillation (ENSO) and possibly through deforestation-driven reductions ...


13. Engineering-Geocryological Investigations in the Messoyakha-Norilsk Pipeline Area, Russia [ggd305]
This data set includes geocryological data from boreholes in the Messoyakha-Norilsk Pipeline Area, Russia. Parameters include ground temperature and soil properties. Ground temperature was measured ...


14. New Zealand Antarctic Soils Database [ggd25]
This data set includes the New Zealand National soils database, a comprehensive collection of data relating to Antarctic soils, permafrost, and frozen ground conditions. Data are from about 800 sites ...


15. Permafrost and Gas Hydrates as Possible Sources of Methane, Alaska, USA [ggd235]
This project measured the amount of methane present in shallow permafrost and gas hydrate near Fairbanks, Alaska, to evaluate the role of permafrost and gas hydrate as possible sources of atmospheric ...


16. Response of Tundra Ecosystems to Altered Snow Regimes, Toolik Lake, Alaska, and Niwot Ridge, Colorado [ggd245]
This study investigated the effects of field manipulations of winter precipitation and summer temperature on species performance, community structure, and ecosystem C and N dynamics. Parameters include ...


17. Chemistry data of surface snow collected during the JASE traverse 2007/2008 [NIPR_JASE_10]
Snow samples for chemistry purposes were collected every 10-km. Samples are for major ion analysis, stable isotope analysis and trace metal elements. Sampling was done from top 10-20 cm of the snow. ...


18. Physical Properties of the US ITASE Firn and Ice Cores from South Pole to Taylor Dome [meese_0538494]
This award supports a project for physical properties research on snow pits and firn/ice cores with specific objectives that include stratigraphic analysis including determination of accumulation ...


19. International Partnerships in Ice Core Sciences [twickler_0401116]
Society would benefit greatly from the ability to efficiently allocate resources to minimize disruptions caused by climate change. This requires the ability to predict the response of ...


20. Laboratory Studies of Photochemistry in Antarctic Snow and Ice [anastasio_0230288]
Our US NSF-funded project had two major parts: (1) measuring the quantum yields for photolysis of nitrite (NO2-), nitrous acid (HNO2), and hydrogen peroxide (HOOH) using laboratory ...


21. Geochronology in the South Florida Ecosystem and Associated Ecosystem Programs [USGS_SOFIA_metholms]
In order to manage an ecosystem, it is imperative to define the rate at which ecologic, physical and chemical changes have occurred. The lack of historical records documenting ecological changes dictates ...


22. Ecosystem History of Biscayne Bay and the Southeast Coast [USGS_SOFIA_metish]
Historical changes in South Florida related to rapid population growth in the early to mid-1900's have led to significant alteration of the natural hydrocycles and water quality of Florida and Biscayne ...


23. 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 ...


24. 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 ...


25. Geochemical Processes in Organic-rich Sediments of South Florida - Mercury and Metals [USGS_SOFIA_metkotra]
Human activities have led to the deterioration of the productivity, biodiversity, and stability of the south Florida ecosystem. The fate of anthropogenic contaminants incorporated into the organic-rich ...


26. Integrated Biogeochemical Studies of Contaminants in the Everglades: Task 1 -Nutrients, Sulfur, and Organic Matter [USGS_SOFIA_nuts_S_orgmat_04]
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 ...


27. Paleosalinity as a Key for Success Criteria in South Florida Restoration [USGS_SOFIA_paleosal_restoration_04]
The objectives of this project are to 1) test and develop the methodology for extracting water chemistry information from selected calcareous shelled animals that grow within the water; 2) develop ...


28. Determining Target Salinity Values for South Florida's Estuaries: The Combined Effects of Climate, Sea Level, and Water Management Practices [USGS_SOFIA_target_sal_vals]
The primary objective of this project is to provide information to Comprehensive Everglades Restoration Plan (CERP) managers that can be used to establish target salinity values and performance measures ...


29. Synthesis of South Florida Ecosystem History Research [USGS_SOFIA_synth_sfl_ecohist]
This project integrates results from ongoing and previous research on the history of the Greater Everglades ecosystem and response of various components to climatic and anthropogenically derived change. ...


30. Everglades Water Chemistry - Surface water DOC, pore water DOC and SUVA data [USGS_SOFIA_sw-pore_water_DOC_SUVA]
The data are for dissolved organic carbon (DOC) and specific ultraviolet absorbance (SUVA) for surface water and pore water in the South Florida Water Management District (SFWMD) water conservation ...


31. Water Quality Data (Zucker) [USGS_SOFIA_wq_data_zucker]
The data are available for 14 sites in multiple formats from the National Water Information Systems (NWIS) website . In 1995 the U.S. Geological Survey (USGS) began a series of studies to monitor ...


32. Aquifer Storage and Recovery Data (Lake Okeechobee) [USGS_SOFIA_asr_data_lake_okee]
The objective of this project was to determine geochemically significant water-quality characteristics of possible aquifer storage and recovery (ASR) source and receiving waters north of Lake Okeechobee ...


33. Florida Bay Bottom Salinity Maps [USGS_SOFIA_Fbbslmap]
The maps show the bottom salinity for Florida Bay at 5ppt salinity intervals approximately every other month beginning in November 1994 through December 1996. Recent algal blooms and ...


34. Florida Bay Bottom Types map [USGS_SOFIA_Fbbtypes]
The map shows the bottom types for Florida Bay that resulted from site surveys and boat transects (summer 1996-January 1997) compared with aerial photographs (December 1994-January 1995) and SPOT ...


35. Florida Bay Salinity Data [USGS_SOFIA_Fbsaldat]
The raw data files contain a point ID, date of collection, salinity values in ppt, and longitude and latitude. For some dates water temperature, time of data collection, and conductivity in millisiemens ...


36. Loxahatchee National Wildlife Refuge Data [USGS_SOFIA_LOX_NWR_data]
The Loxahatchee National Wildlife Refuge (LOX) is a water-dominated ecosystem that is susceptible to water-quality impacts. A comprehensive analysis of historical water-quality and ancillary data ...


37. Stratospheric Circulation Simulation [ucar.scd.vets.vg.sw]
This research looks at transport of chemical constituents in the lower stratosphere.Almost all air enters the stratosphere over the tropics. A slow, mean vertical circulation, called the Brewer-Dobson ...


38. Lightning and Ozone Production [ucar.scd.vets.vg.mozart1]
Lightning emissions produce NOx which is used in the production of Ozone. The MOZART global atmospheric chemistry climate model, developed at NCAR, is used here to investigate this relationship.These ...


39. Geochemistry of Rocks of the Oceans and Continents (GEOROC) [GEOROC]
[from GEOROC Introduction, "http://georoc.mpch-mainz.gwdg.de/georoc/Entry.html"] GEOROC is intended to become a global geochemical database containing published chemical and isotopic data as well ...


40. Daily Estuarine Surface Water Nutrient And Water Quality, Suspended Sediment, and Chlorophyll a Data for the North Inlet Estuary, 1978-1993 [baruch_1978]
A one 1000 ml (one Liter) water sample was collected daily (at approximately 1000 hrs EST - but see note below in section 1.2.3 Supplemental Information) at a depth of 0.5 meter below the water's ...


41. Upper Great Lakes Sediment Trap Data (1977-1993) [GLERL0004]
The main data are over 1000 sediment trap measurements of mass and chemical composition, predominantly in Lake Michigan, but with some coverage of Lakes Huron and Superior. Interpretative manuscripts ...


42. National Geochemical Database: National Uranium Resource Evaluation Data for the Conterminous United States [USGS-DDS-18-A]
This is an online version of a CD-ROM publication. It is intended for use only on DOS-based computer systems. The files must be downloaded onto your computer before they can be used. The files are ...


43. National Forest Health Database - Soil Data for Canadian Forest Health Network [Canada_CFS_SoilData]
Since 1984, Canadian Forest Service has been collecting data to help monitor the health of Canada's forests. Data is collected from a large number of strategically located plots all across Canada. ...


44. Whole Rock Geochemical Data For Paleozoic Sedimentary Rocks of the Western Brooks Brooks Range, Alaska [USGS_OFR_2004_1371]
This report presents geochemical analyses for 210 unaltered and unmineralized rock samples of Paleozoic age in the western Brooks Range of northern Alaska. These data form the basis for a study by ...


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