Metadata: Identification_Information: Citation: Citation_Information: Originator: United States Geological Survey (USGS), Publication_Date: 2008 Title: Multibeam Sonar Mapping and Modeling of a Submerged Bryophyte Mat in Crater Lake, Oregon Geospatial_Data_Presentation_Form: Raster Online_Linkage: http://pubs.usgs.gov/ds/366/index.html Online_Linkage: http://pubs.usgs.gov/ds/366/data.html Larger_Work_Citation: Citation_Information: Originator: Peter Dartnell Originator: Robert Collier Originator: Mark Buktenica Originator: Steven Jessup Originator: Scott Girdner Originator: Peter Triezenberg Publication_Date: 2008 Title: Multibeam Sonar Mapping and Modeling of a Submerged Bryophyte Mat in Crater Lake, Oregon Edition: 1.0 Series_Information: Series_Name: Data Series Issue_Identification: 366 Publication_Information: Publication_Place: Western Coastal and Marine Geology, Menlo Park, CA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Online_Linkage: http://pubs.usgs.gov/ds/366/index.html Description: Abstract: ESRI GRID format data of Crater Lake OR Bathymetric Positional Index (BPI) calculated from 2000 multibeam bathymetry data. Purpose: These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) or other software to display Bathymetric Positional Index in Crater Lake, OR. Supplemental_Information: Information for USGS Coastal and Marine Geology related activities are online at Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20040806 Ending_Date: 20080402 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -122.16555054 East_Bounding_Coordinate: -122.0498355 North_Bounding_Coordinate: 42.97851439 South_Bounding_Coordinate: 42.90490823 Keywords: Theme: Theme_Keyword_Thesaurus: General Theme_Keyword: Marine Geology Theme_Keyword: Multibeam Theme_Keyword: Bryophyte Mat Theme_Keyword: Bathymetry Theme_Keyword: Water Depth Theme_Keyword: Ocean Floor Topography Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Coastal and Marine Geology Program Theme_Keyword: CMGP Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: elevation Theme_Keyword: inlandWaters Theme_Keyword: imageryBaseMapsEarthCover Place: Place_Keyword_Thesaurus: Geographic Names Information System (GNIS) Place_Keyword: Crater Lake Place_Keyword: OR Place_Keyword: Oregon Place_Keyword: USA Access_Constraints: None Use_Constraints: Please recognize the U.S. Geological Survey (USGS), the National Park Service (NPS), Oregon State University (OSU), and Southern Oregon University (SOU) as the source of this information. USGS-authored or produced data and information are in the public domain. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter Dartnell Contact_Organization: U.S. Geological Survey, Coastal and Marine Geology Contact_Position: Physical Scientist Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Rd MS-999 City: Menlo Park State_or_Province: CA Postal_Code: 94025-3561 Country: USA Contact_Voice_Telephone: (650) 329-5460 Contact_Facsimile_Telephone: (650) 329-5411 Contact_Electronic_Mail_Address: pdartnell@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/ds/366/images/bpi.jpg Browse_Graphic_File_Description: Illustration of Bathymetric Positional Index calculated from 2000 multibeam bathymetry data set. Browse_Graphic_File_Type: JPEG Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Not applicable for raster data. Logical_Consistency_Report: Unspecified Completeness_Report: Complete Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: 0.5 meters Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: 0.05 percent of the water depth. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 200103 Title: 2000 Multibeam Sonar Survey of Crater Lake Oregon: Data, GIS, Images, and Movies Geospatial_Data_Presentation_Form: raster digital data Publication_Information: Publication_Place: Menlo Park, CA Publisher: U.S. Geological Survey Online_Linkage: http://wrgis.wr.usgs.gov/dds/dds-72/index.htm Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2001 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: dds-72 Source_Contribution: base material Process_Step: Process_Description: The Bathymetric Positional Index was calculated from the 2000 multibeam bathymetry data using ESRI GRID map algebra and the following formula, BPI = int((bathymetry - focalmean(bathymetry, annulus, irad, orad)) + 0.5), where: int = GIS integer function, focalmean = GIS area function, annulus = processing neighborhood comprised of one smaller circle within a larger circle (donut shape), irad = inner radius of annulus in cells, and orad = outer radius or annulus in cells. Process_Date: 2006 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter Dartnell Contact_Organization: U.S. Geological Survey, Coastal and Marine Geology Contact_Position: Physical Scientist Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Rd MS-999 City: Menlo Park State_or_Province: CA Postal_Code: 94025-3561 Country: USA Contact_Voice_Telephone: (650) 329-5460 Contact_Facsimile_Telephone: (650) 329-5411 Contact_Electronic_Mail_Address: pdartnell@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Raster Raster_Object_Information: Raster_Object_Type: Grid Cell Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 10 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -123.00000 Latitude_of_Projection_Origin: 0.00000 False_Easting: 500000.0 False_Northing: 0.00 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 2.0 Ordinate_Resolution: 2.0 Planar_Distance_Units: Meters Geodetic_Model: Horizontal_Datum_Name: WGS84 Ellipsoid_Name: WGS84 Semi-major_Axis: 6378137.00 meters Denominator_of_Flattening_Ratio: 0.003352811 Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: BPI15 is an ESRI GRID file with the following attributes: Cell Size = 2.000 Data Type: Integer Number of Rows = 4137 Number of Columns = 4677 BOUNDARY Xmin = 568119.572 Xmax = 577473.572 Ymin = 4750592.815 Ymax = 4758866.815 Entity_and_Attribute_Detail_Citation: none Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey, Information Services Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Rd MS-532 City: Menlo Park State_or_Province: CA Postal_Code: 94025-3561 Country: USA Contact_Voice_Telephone: (650) 329-4309 Resource_Description: N-1-06-OR data sets Distribution_Liability: These data not intended for navigational purposes. Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, these data and information are provided with the understanding that they are not guaranteed to be usable, timely, accurate, or complete. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from, or actions undertaken on the basis of, such data and information are the sole responsibility of the user. Neither the U.S. Government nor any agency thereof, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any data, software, information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. Trade, firm, or product names and other references to non-USGS products and services are provided for information only and do not constitute endorsement or warranty, express or implied, by the USGS, USDOI, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ESRI GRID Format_Version_Number: 9.1 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: none Fees: None Metadata_Reference_Information: Metadata_Date: 20080407 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter Dartnell Contact_Organization: U.S. Geological Survey, Coastal and Marine Geology Contact_Position: Physical Scientist Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Rd MS-999 City: Menlo Park State_or_Province: CA Postal_Code: 94025-3561 Country: USA Contact_Voice_Telephone: (650) 329-5460 Contact_Facsimile_Telephone: (650) 329-5411 Contact_Electronic_Mail_Address: pdartnell@usgs.gov Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata ("CSDGM version 2") Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: universal time