Identification_Information: Citation: Citation_Information: Originator: Joel E. Robinson Originator: Michael R. Hamer Originator: Molly Gowen Groome Originator: Andrew J. Stevenson Originator: Christina E. Gutmacher Originator: Harry Lucky Originator: Carolyn H. Degnan Originator: Florence L. Wong Originator: Robin T. Holcomb Publication_Date: 2004 Title: Terrain polygons for Maps of Hawaiian Islands Exclusive Economic Zone Interpreted from GLORIA Sidescan-Sonar Imagery Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: Scientific Investigations Map Issue_Identification: SIM-2824 Publication_Information: Publication_Place: Menlo Park Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/sim/2004/2824 Larger_Work_Citation: Citation_Information: Originator: Robin T. Holcomb Originator: Joel E. Robinson Publication_Date: 2004 Title: Maps of Hawaiian Islands Exclusive Economic Zone Interpreted from GLORIA Sidescan-Sonar Imagery Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: Scientific Investigation Map Issue_Identification: SIM-2824 Publication_Information: Publication_Place: Menlo Park Publisher: U.S. Geological Survey Description: Abstract: The Hawaiian Islands form the southeast leg of a 5,000-km-long string of underwater and subaerial volcanoes called the Hawaiian-Emperor Chain. Volcanoes of the Hawaiian Islands form part of a long, discontinuous ridge known as the Hawaiian Ridge (Clague and Dalrymple, 1987). In 1983, the United States defined an Exclusive Economic Zone (EEZ) around the Hawaiian Islands extending from the coastline to 200 nautical miles offshore. The U.S. Geological Survey (USGS) had the primary responsibility to map this zone and in 1984 began the EEZ-SCAN program to systematically map the EEZ at a reconnaissance scale. For assistance with the data collection, the USGS partnered with the Institute of Oceanographic Sciences (IOS) of the United Kingdom. The IOS developed a long-range side-scan-sonar system well suited to this purpose. This system, called GLORIA (Geologic LOng-Range Inclined ASDIC, where ASDIC is another acronym for SONAR, SOund NAvigation Ranging), is capable of imaging a swath of sea floor 40 km wide with each pass of the ship. The map is derived from GLORIA data collected in 1986-1989 from the southeastern Hawaiian Ridge EEZ, which covers more than 1,000,000 km2 of sea floor (Groome and others, 1997). The Hawaiian Islands cap the northwest-southeast-trending ridge. Purpose: The U.S. Geological Survey (USGS) had the primary responsibility to map this zone and in 1984 began the EEZ-SCAN program to systematically map the EEZ at a reconnaissance scale. This map displays the geologic materials around the Hawaii Islands. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -163.184864 East_Bounding_Coordinate: -150.654262 North_Bounding_Coordinate: 27.029503 South_Bounding_Coordinate: 15.149213 Keywords: Theme: Theme_Keyword: seafloor Theme_Keyword: sidescan sonar Theme_Keyword: geology Theme_Keyword: GLORIA Place: Place_Keyword: Hawaiian Islands Place_Keyword: Hawaii Island Place_Keyword: Maui Island Place_Keyword: Oahu Island Place_Keyword: Lanai Island Place_Keyword: Molokai Island Place_Keyword: Kahoolawe Island Place_Keyword: Kauai Island Place_Keyword: Kaula Island Place_Keyword: Niihau Island Access_Constraints: none Use_Constraints: Uses of this digital geologic map should not violate the spatial resolution of the data. Although the digital form of the data removes the constraint imposed by the scale of a paper map, the detail and accuracy inherent in map scale are also present in the digital data. The fact that this database was edited for a scale of 1:2,000,000 means that higher resolution information is not present in the dataset. Plotting at scales larger than 1:2,000,000 will not yield greater real detail, although it may reveal fine-scale irregularities below the intended resolution of the database. Similarly, where this database is used in combination with other data of higher resolution, the resolution of the combined output will be limited by the lower resolution of these data. Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from these data. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Joel E. Robinson Contact_Position: Geologist Contact_Address: Address_Type: mailing address Address: 345 Middlefield Road Address: Mail Stop 910 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Electronic_Mail_Address: jrobins@usgs.gov Security_Information: Security_Classification: Unclassified Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722 Data_Quality_Information: Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Well-located data items are intended to have a horizontal positional accuracy within 10 mm at 1:2,000,000 scale, or within 1,000 meters on the ground. The position of each data item is derived from the USGS GLORIA sidescan-sonar dataset, and therefore additional inaccuracies arising from inaccuracies in the base map may also be encountered. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Molly G. Groome Originator: Christina E. Gutmacher Originator: Andrew J. Stevenson Publication_Date: 1997 Title: Atlas of GLORIA Sidescan-Sonar Imagery of the Exclusive Economic Zone of the United States: EEZ-View Geospatial_Data_Presentation_Form: atlas Series_Information: Series_Name: Open File Report Issue_Identification: 97-540 Publication_Information: Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/of97-540/ Process_Step: Process_Description: Sidescan sonar data collected with a 50 meter resolution and printed to photo quality high resolution paper. Features were traced on to mylar overlays which where digitized into a coverage format and georeferenced. The coverages were then converted to shapefiles for this data release. The digital work was done using the GIS software Arc/Info (ESRI, trademark) Process_Date: 2004 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: G-polygon Point_and_Vector_Object_Count: 2762 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Lambert Conformal Conic Lambert_Conformal_Conic: Standard_Parallel: 18.000000 Standard_Parallel: 29.000000 Longitude_of_Central_Meridian: -160.000000 Latitude_of_Projection_Origin: 15.000000 False_Easting: 0.000000 False_Northing: 0.000000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.002048 Ordinate_Resolution: 0.002048 Planar_Distance_Units: meters Geodetic_Model: Horizontal_Datum_Name: D_Clarke_1866 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.400000 Denominator_of_Flattening_Ratio: 294.978698 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: geo_poly Entity_Type_Definition: Geologic terrain polygons Entity_Type_Definition_Source: author Attribute: Attribute_Label: FID Attribute_Definition: Internal feature number. 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Enumerated_Domain_Value_Definition_Source: author Enumerated_Domain: Enumerated_Domain_Value: Tx Enumerated_Domain_Value_Definition: Lava field of strong backscatter (Tertiary) Enumerated_Domain_Value_Definition_Source: author Enumerated_Domain: Enumerated_Domain_Value: Ty Enumerated_Domain_Value_Definition: Lava field of intermediate backscatter (Tertiary) Enumerated_Domain_Value_Definition_Source: author Enumerated_Domain: Enumerated_Domain_Value: Tz Enumerated_Domain_Value_Definition: Lava field of weak backscatter (Tertiary) Enumerated_Domain_Value_Definition_Source: author Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: USGS Information Services Contact_Address: Address_Type: mailing address Address: Box 25286 Address: Denver Federal Center City: Denver State_or_Province: Colorado Postal_Code: 80225-0046 Country: USA Contact_Voice_Telephone: (303) 202-4200 Contact_Voice_Telephone: 1-888-ASK-USGS Contact_Electronic_Mail_Address: infoservices@usgs.gov Resource_Description: Digital Data Distribution_Liability: This database, identified as SIM-2824, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Transfer_Size: 4.805 Metadata_Reference_Information: Metadata_Date: 20051220 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Joel E. Robinson Contact_Position: Geologist Contact_Address: Address_Type: mailing address Address: 345 Middlefield Road Address: Mail Stop 910 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Electronic_Mail_Address: jrobins@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time Metadata_Security_Information: Metadata_Security_Classification: Unclassified Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile