Metadata: Identification_Information: Citation: Citation_Information: Originator: Guy R. Gelfenbaum Originator: Emily M. Carlson Originator: Andrew W. Stevens Originator: Dave M. Rubin Publication_Date: 2017 Title: Digital seafloor images and sediment grain size from the mouth of the Columbia River, Oregon and Washington, 2014 Geospatial_Data_Presentation_Form: Vector Digital Data Set (Point) Series_Information: Series_Name: data release Issue_Identification: DOI:10.5066/F7K64G8V Publication_Information: Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, California Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Online_Linkage: https://doi.org/10.5066/F7K64G8V Online_Linkage: https://www.sciencebase.gov/catalog/file/get/58812f4ce4b00a062356ffee?name=MCR14_SeafloorSediment_Images.zip Description: Abstract: This dataset includes 2,523 still images extracted from geo-referenced digital video imagery of the seafloor at the mouth of the Columbia River, OR and WA, USA, along with grain size analysis of the surface sediment. Underwater digital video was collected in September 2014 in the mouth of the Columbia River, USA, as part of the U.S. Geological Survey Coastal and Marine Geology Program contribution to the Office of Naval Research funded River and Inlets Dynamics experiment (RIVET II). Still images were extracted from the underwater video footage whenever the camera was resting on the sediment bed and individual sediment grains were visible and in focus. The images are used to calculate the median grain size through an auto-correlation method (Barnard and other 2007), and are provided in an accompanying .csv file. Purpose: The imagery was collected to obtain high spatial resolution grain size data over individual subaqueous bedforms. Supplemental_Information: Information about the data collection field activities can be found at: http://cmgds.marine.usgs.gov/fan_info.php?fan=2014-642-FA Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20140911 Ending_Date: 20140913 Currentness_Reference: ground condition at time data were collected Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -124.07033 East_Bounding_Coordinate: -123.91990 North_Bounding_Coordinate: 46.25511 South_Bounding_Coordinate: 46.21357 Keywords: Theme: Theme_Keyword_Thesaurus: USGS Metadata Identifier Theme_Keyword: USGS:58812f4ce4b00a062356ffee Theme: Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD) Theme_Keyword: marine sediments Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: oceans Theme_Keyword: geoscientificInformation Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: videography Theme_Keyword: underwater photography Theme_Keyword: geospatial datasets Theme_Keyword: estuarine processes Theme_Keyword: sediment transport Theme: Theme_Keyword_Thesaurus: Data Categories for Marine Planning Theme_Keyword: Substrate Theme: Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords Theme_Keyword: geology Theme_Keyword: sediment Theme_Keyword: sediment transport Theme_Keyword: video observation Place: Place_Keyword_Thesaurus: Geographic Names Information System (GNIS) Place_Keyword: State of Washington Place_Keyword: State of Oregon Place_Keyword: Columbia River Access_Constraints: None Use_Constraints: USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator(s) of the dataset and in products derived from these data. Use of appropriate byline/photo/image credit is requested; Suggested credit: Photo by USGS (or U.S. Geological Survey, depending on audience). Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey, Pacific Coastal and Marine Science Center Contact_Person: Andrew W. Stevens Contact_Position: Oceanographer Contact_Address: Address_Type: mailing and physical Address: 2885 Mission Street City: Santa Cruz State_or_Province: CA Postal_Code: 95060-5792 Country: USA Contact_Voice_Telephone: 831-460-7540 Contact_Electronic_Mail_Address: astevens@usgs.gov Native_Data_Set_Environment: Environment as of Metadata Creation: Microsoft Windows 7 Enterprise Service Pack 1; Red Hen Systems IsWhere Version 3.0.3.2; Microsoft Excel 2010. Cross_Reference: Citation_Information: Originator: P.L. Barnard Originator: D.M. Rubin Originator: J. Harney Originator: N. Mustin Publication_Date: 2007 Title: Field test comparison of an auto-correlation technique for determining grain size using a digital 'beachball' camera versus traditional methods Online_Linkage: http://dx.doi.org/10.1016/j.sedgeo.2007.05.016 Cross_Reference: Citation_Information: Originator: G. Gelfenbaum Originator: D. Finlayson Originator: P. Dartnell Originator: E. Carlson Originator: A. Stevens Publication_Date: 2015 Title: Bathymetry and backscatter from 2013 interferometric swath bathymetry systems survey of Columbia River Mouth, Oregon and Washington Online_Linkage: http://dx.doi.org/10.5066/F7T72FHB Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Accuracy of dataset attribute information was deduced to be good based both on visual examination of still images, video imagery, navigation trackline location on agreement with observer's field knowledge. Logical_Consistency_Report: Data are logically accurate Completeness_Report: Data represent ground conditions of the mouth of the Columbia River only along individual tracklines where data were collected. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: The positions of the data reflect the position of the GPS antenna on board the boat when data were collected and not the real location of the camera in the water. Positional data in this report were not corrected for layback and thus represent only approximate locations. Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: A formal accuracy assessment of the vertical positional information in the dataset was not been conducted, nor is it applicable. Lineage: Process_Step: Process_Description: Video footage was converted from video type .MXF to a Red Hen System compatable format of .AVI using the software Acrok MXF Converter. All image and sound quality were maintained at the original video's quality. Process_Date: 20150612 Process_Step: Process_Description: Video footage was indexed using Red Hen System's proprietary software IsWhere. An XML format metadata file was produced from each video and includes GPS information intermittently through the video of: latitude (decimal degrees), longitude (decimal degrees), GPS altitude (meters), video time (HH:mm:ss:ms), Dublin Julian Date in UTC (julian date = timeCode+2415020), course direction (degrees), speed (meters/second). Process_Date: 20150612 Process_Step: Process_Description: Geotagged images were grabbed from the video every 0.5 second. From this set of evenly timed images, images were chosen when the sediment bed was in focus and the camera was resting on the bed. This process resulted in there being multiple images for each location. The image files contain the GPS location in lat/lon decimal degrees. Process_Date: 20150612 Process_Step: Process_Description: Each image is given a file name based on the video it was taken from, followed by the time stamp in the video. For example image "0205301_0_1_41_0" is from video 0205301 at time 00:01:41:00 (HH:mm:ss:ms). Process_Date: 20150612 Process_Step: Process_Description: The UTC time of each image was calculated by extracting the UTC time at the beginning of the video from the XML file produced by IsWhere for each video file, and adding the time stamp of the image. These values are recorded in Julian time in the UTC time zone in the provided spreadsheet. The lat/lon values were converted to UTM zone 10N, WGS84 coordinates using the matlab tool "deg2utm" version Aug/06, available at mathworks.com, and recorded in the provided spreadsheet. Process_Date: 20150612 Process_Step: Process_Description: The median grain size of sediment shown in each image was estimated using an auto-correlation process and calibration images, which are available in "child-item title", included with this publication. Process_Date: 20150612 Process_Step: Process_Description: Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed. Process_Date: 20201019 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: VeeAnn A. Cross Contact_Position: Marine Geologist Contact_Address: Address_Type: Mailing and Physical Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Contact_Voice_Telephone: 508-548-8700 x2251 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: vatnipp@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Point Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 2523 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 1.0E-6 Longitude_Resolution: 1.0E-6 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: WGS1984 Ellipsoid_Name: WGS1984 Semi-major_Axis: 6378137.0 Denominator_of_Flattening_Ratio: 298.257223563 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: Attribute Table Entity_Type_Definition: Table containing attribute information associated with the data set. Entity_Type_Definition_Source: Producer defined Attribute: Attribute_Label: IMAGE_NAME Attribute_Definition: Filename of extracted still-image Attribute_Definition_Source: Red Hen Systems Attribute_Domain_Values: Unrepresentable_Domain: Unique identifier for each still image Attribute: Attribute_Label: TIME Attribute_Definition: Julian dates (abbreviated JD) are a continuous count of days and fractions since noon Universal Time on January 1, 4713 BC (on the Julian calendar). Attribute_Definition_Source: "http://aa.usno.navy.mil/data/docs/JulianDate.php" Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 2456913.7848206 Range_Domain_Maximum: 2456915.97975694 Attribute: Attribute_Label: D50 Attribute_Definition: Particle diameter representing the 50% cumulative percentile value (50% of the particles in the sediment sample are finer than the D50 grain size), in mm. Attribute_Definition_Source: "https://pubs.usgs.gov/ds/0834/data/Metadata/Tables_metadata/Cat_Island_grainsize_data%20dictionary.pdf" Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.18 Range_Domain_Maximum: 0.936 Attribute: Attribute_Label: LAT Attribute_Definition: Geographic latitude in decimal degrees WGS84, south longitudes negative Attribute_Definition_Source: ESRI "http://support.esri.com/en/knowledgebase/gisdictionary/term/longitude Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 46.2135775089276 Range_Domain_Maximum: 46.2551170826057 Attribute: Attribute_Label: LON Attribute_Definition: Geographic longitude in decimal degrees WGS84, west longitudes negative Attribute_Definition_Source: ESRI "http://support.esri.com/en/knowledgebase/gisdictionary/term/longitude Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -124.070332272848 Range_Domain_Maximum: -123.919901148423 Attribute: Attribute_Label: EASTING Attribute_Definition: The distance east of the origin that a point in a Cartesian coordinate system lies, measured in that system's units. Attribute_Definition_Source: ESRI "http://support.esri.com/other-resources/gis-dictionary/search/easting" Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 417497.36650791 Range_Domain_Maximum: 429076.526080222 Attribute: Attribute_Label: NORTHING Attribute_Definition: The distance north of the origin that a point in a Cartesian coordinate system lies, measured in that system's units. Attribute_Definition_Source: ESRI "http://support.esri.com/en/knowledgebase/gisdictionary/term/northing" Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 5118216.10628444 Range_Domain_Maximum: 5122869.35747645 Overview_Description: Entity_and_Attribute_Overview: The entity and attribute information provided here describes the tabular data associated with the images in the dataset. Please review the detailed descriptions that are provided (the individual attribute descriptions) for information on the values that appear as fields/table entries of the dataset. Entity_and_Attribute_Detail_Citation: The entity and attribute information was generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information. Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey - Science Base Contact_Address: Address_Type: mailing and physical Address: Denver Federal Center, Building 810, Mail Stop 302 City: Denver State_or_Province: CO Postal_Code: 80225 Contact_Voice_Telephone: 888-275-8747 Contact_Electronic_Mail_Address: sciencebase@usgs.gov Resource_Description: Digital seafloor images in JPEG format (MCR14_SeafloorSediment_Images.zip) and a table in comma-delimited format containing location and grain size data (MCR14_SeafloorSediment_Grainsize.csv) are available for download, along with CSDGM FGDC-compliant metadata (MCR14_SeafloorSediment_metadata.xml) Distribution_Liability: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: CSV Format_Version_Number: Microsoft Excel 2010 Format_Information_Content: Table containing locations and time of still-image frame grabs taken from underwater video footage, along with grain size estimates of seafloor sediment. File_Decompression_Technique: none Transfer_Size: 209.23 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: https://www.sciencebase.gov/catalog/file/get/58812f4ce4b00a062356ffee?name=MCR14_SeafloorSediment_Grainsize.csv Access_Instructions: Data may be accessed and downloaded via the Internet Digital_Form: Digital_Transfer_Information: Format_Name: JPEG Format_Version_Number: IsWhere - Red Hen Systems Format_Specification: JPEG Format_Information_Content: Still-image frame grabs from underwater video footage. File_Decompression_Technique: zip archive Transfer_Size: 69.05 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: https://www.sciencebase.gov/catalog/file/get/58812f4ce4b00a062356ffee?name=MCR14_SeafloorSediment_Images.zip Network_Resource_Name: https://doi.org/10.5066/F7K64G8V Access_Instructions: Data may be accessed and downloaded via the Internet Fees: No cost Technical_Prerequisites: To utilize these data, the user must have software capable of uncompressing the zip file, viewing JPEG images, and reading spreadsheets. Metadata_Reference_Information: Metadata_Date: 20201019 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey, Pacific Coastal and Marine Science Center Contact_Person: Andrew W. Stevens Contact_Position: Oceanographer Contact_Address: Address_Type: mailing and physical Address: 2885 Mission Street City: Santa Cruz State_or_Province: CA Postal_Code: 95060-5792 Contact_Voice_Telephone: 831-460-7540 Contact_Electronic_Mail_Address: astevens@usgs.gov Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998