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This is a collection of GIF-format animations and PNG images that are suitable for presentations. These products include images for the baseline period (1961-1990) and images for each decade between 2010 and 2090. Baseline values are derived from Climate Research Unit (CRU) TS 3.1. or TS 3.1.01 data; values for future time periods are based on the SNAP 5-GCM composite under the AR5-RCP 6.0 and AR5-RCP 8.5. CRU and GCM data are provided courtesy of Scenarios Network for Alaska and Arctic Planning (SNAP).Air temperature is expressed in units of Celsius (у) and Fahrenheit (ц) and precipitation is available in units of millimeters (mm) and inches (in). Special note about animations: The first image of the animation...
This is a collection of core reports, primarily from rock cores within the Bureau of Economic Geology.
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These catalogs serve to identify known locations of mineral extraction and exploration activities discussed for the purpose of eventually discovering these data through the Mines web map application. These tables of information will reduce data entry time through use of queries to generate records. They also help identify properties without a clear location for efficient discussion with the original authors.
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In 1967 and 1968 the USGS, in partnership with NASA and the National Park Service, extracted rock core from 13 locations in Yellowstone National Park. Depths of the holes ranged from 215 ft to 1,088 ft and the total drilled footage was 6,802 ft. The deepest hole was drilled in Norris Basin. Research on these cores provided critical understanding of complex geothermal systems that would inform the potential development of other systems, external to the park, as energy sources. These cores are extremely rare due to the many restrictions on sampling in the park. Years later, the cores were used to investigate the origin of some of Yellowstone supervolcano’s lavas using techniques that did not even exist when the cores...
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The daily flight tracks of the 1997-2002 aerial summer Southeast Alaska Nearshore Waterbird Survey were recorded to an onboard computer using the custom survey software RECORD (John I. Hodges, FWS-MBM-Alaska, retired). The tracks were recorded by capturing the plane’s location from a GPS every five seconds as long as the software was running. The software was started at some time between the aircraft’s engine start and the start of the survey, and was shut down at some time between the end of the survey and engine shut-down. The tracks thus include the aircraft’s flight to and from the airport base. The 29 track files are named TRMMDDYY_AIR.csv, where MM = month, DD = day, and YY = year.
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The National Science Foundation Ice Core Facility (NSF-ICF) - formerly the U.S. National Ice Core Laboratory (NICL) - is a facility for storing, curating, and studying meteoric ice cores recovered from glaciated regions of the world. NSF-ICF provides scientists with the capability to conduct examinations and measurements on ice cores, and it preserves the integrity of these ice cores in a long-term repository for current and future investigations.
The Silica Collection consists of descriptions for 51 outcrop samples collected as part of an evaluation of potential high-silica resources in the western region of Virginia. Sampling was conducted in conjunction with reconnaissance field mapping to determine the extent of high-silica deposits. The record for each sample consists of a physical description, location information, sieve analysis, and chemical test data. The results of laboratory analyses are included in several published reports including DGMR Publications 32, 67 and Mineral Resources Report 11.
Categories: Collection, Data, Physical Item; Types: Collection; Tags: ndc_collection
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These raster datasets represent output from the Boreal ALFRESCO (Alaska Frame Based Ecosystem Code) model. Boreal ALFRESCO operates on an annual time step, in a landscape composed of 1 x 1 km pixels, a scale appropriate for interfacing with mesoscale climate and carbon models. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Coverage of this dataset includes much of the state of Alaska (but does exclude Southeastern AK, Kodiak Island, portions of the Alaska Peninsula, and the Aleutian...
Interesting information.
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Geologic samples including hand samples and thin sections that were collected between 1955 and 1956 by Helen Foster and Harold May during the geologic mapping of the Pacific islands of Ryukyu that extend southwest from Japan. Most of the samples were collected from Ishigaki Island and were analyzed to interpret the geology of Ishigaki in USGS Professional Paper 399-A. Ruth Deike of the USGS Geologic Division began an inventory of the samples and thin sections in 2007, but the samples were soon after sent to the Core Research Center for storage. The inventory of the samples was completed by Chris Stuckey of the Core Research Center with a total of 807 hand samples and thin sections. Supplementary data has been added...
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These maps show baseline (1961-1990) average total precipitation and projected change in precipitation for the decades spanning 2010-2039, 2040-2069, and 2070-2099. Precipitation is expressed in both millimeters (mm) and inches (in); projected change in precipitation is expressed as percent of baseline. Baseline results for 1961-1990 are derived from Climate Research Unit (CRU) TS 3.1.01 data and maps for future time periods are based on a composite of projections from five GCMs (CCSM4, GFDL-CM3, GISS-E2-R, IPSL-CM5A-LR, and MRI-CGCM3) under the AR5-RCP 6.0. Data courtesy of Scenarios Network for Alaska and Arctic Planning.
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Differential GPS locations of nest sites. Files organized by year. No manipulation of files has occurred, they are those directly received from Craig Tweedie or Stephen Escarzaga, The University of Texas at El Paso, Department of Biological Sciences.These files can be found in the raw data folder.The data providers have invested considerable effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions, or intended use. The originators of this dataset shall not be held liable for improper or incorrect use of the data described and/or contained...
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This collection of files contains separate excel files for aquatic, dry, and mesic invertebrate samples each year from 2010-2021; additional file for data from 2008-2009. Files from 2010-2021 were produced by Aquatic Biology Associates and provide information on a variety of metrics. Metadata is included in the excel files. Files from 2008-2009 were produced by Brooke Hill.These files can be found in the raw data folder.A portion of these data are available on the NSF Arctic Data Center (https://doi.org/10.18739/A23R0PT35).The data providers have invested considerable effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended that careful attention be paid to the contents of the...
map background search result map search result map National Science Foundation Ice Core Facility Silica Sample Analyses (Virginia) Potential Evapotranspiration: CCCMA - A1B Scenario Stand Age Projections Animations and Presentation Materials Precipitation Projection Maps - RCP 6.0 Baseline (1961-1990) Rasters NGGDPP Required Collection Metadata Elements Random core keywords record 2 Random core keywords record 14 Random core keywords record 14 Random core keywords record 24 USGS Collection of Geologic Samples from the Ryukyu Islands, Japan, 1955 to 1956 USGS Yellowstone National Park Core Collection Catalog of mine locations in Current and Historic Mining Activity documents for years 1993-2003 Southeast Alaska Nearshore Summer Flight Tracks 1997-2002 Utqiagvik Alaska differential GPS Nest Location data Utqiagvik Alaska Summarized Invertebrate data files Utqiagvik Alaska differential GPS Nest Location data Utqiagvik Alaska Summarized Invertebrate data files USGS Yellowstone National Park Core Collection Random core keywords record 2 Random core keywords record 14 Random core keywords record 14 Random core keywords record 24 Silica Sample Analyses (Virginia) Southeast Alaska Nearshore Summer Flight Tracks 1997-2002 Catalog of mine locations in Current and Historic Mining Activity documents for years 1993-2003 NGGDPP Required Collection Metadata Elements USGS Collection of Geologic Samples from the Ryukyu Islands, Japan, 1955 to 1956 Potential Evapotranspiration: CCCMA - A1B Scenario Stand Age Projections Animations and Presentation Materials Precipitation Projection Maps - RCP 6.0 Baseline (1961-1990) Rasters National Science Foundation Ice Core Facility