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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions ArcGIS Service Definition (1) Types ArcGIS Map Package (2) Downloadable (2) ArcGIS REST Map Service (1) ArcGIS Service Definition (1) Map Service (1) Contacts Joel E Robinson Roger Sayre U.S. Geological Survey David R Sherrod Geosciences and Environmental Change Science Center Volcano Science Center Core Science Systems Tag Types Place (2) Theme (2) USGS Scientific Topic Keyword (2) Harvest Set (2) Tag Schemes Common geographic areas (1) USGS Thesaurus (2) Alexandria Digital Library Feature Type Thesaurus (1) GNIS (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Global Islands A new 30-m spatial resolution global shoreline vector (GSV) was developed from annual composites of 2014 Landsat satellite imagery. The semi-automated classification of the imagery was accomplished by manual selection of training points representing water and non-water classes along the entire global coastline. Polygon topology was applied to the GSV, and the resulting polygons were mapped into four size classes of islands: Continental Mainlands, Big Islands (greater than 1 km2), Small Islands (less than or equal to 1 km2 and greater than or equal to 0.0036 km2), and Very Small Islands (less than 0.0036 km2). Categories: Data; Types: ArcGIS Map Package, Downloadable; Tags: Geography, Remote Sensing, USGS Science Data Catalog (SDC), global, islands Geologic map database to accompany geologic map of the State of Hawaii This digital publication contains all the geologic map information used to publish U.S. Geological Survey Geologic Investigations Map Series SIM-3143 (Sherrod and others, 2021). This geologic map shows the distribution and stratigraphic relation of volcanic, intrusive, and sedimentary units emplaced in the past 8 million years across the eight principal islands of the Hawaiian archipelago, State of Hawaii, U.S.A. This geologic map database is accompanied by a report, which includes the formatted geologic map and explanatory pamphlet, available at https://doi.org/10.3133/sim3143​. The authors ask that users of the geologic map database cite both the report and the database: Report: Sherrod, D.R., Sinton, J.M.,... Categories: Data; Types: ArcGIS Map Package, ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Hana, Hawaii, Honolulu, Kahoolawe, Kauai County, All tags... Lanai, Maui, Molokai, Niihau, Oahu, USGS Science Data Catalog (SDC), United States, Volcanology, Wailuku, faults, geologic maps, geology, geoscientificInformation, volcanoes, Fewer tags