High-resolution multibeam bathymetry data collected southwest of Chenega Island, Alaska during field activity 2014-622-FA

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Alicia F. Balster-Gee
Originator: Daniel S. Brothers
Originator: David P. Finlayson
Originator: Lee Liberty
Originator: Peter Dartnell
Originator: Gerry A. Hatcher
Originator: Peter J. Haeussler
Originator: Mike Byerly
Publication_Date: 2019
Title:
High-resolution multibeam bathymetry data collected southwest of Chenega Island, Alaska during field activity 2014-622-FA
Geospatial_Data_Presentation_Form: TIFF
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9K1YQ35
Publication_Information:
Publication_Place:
Pacific Coastal and Marine Science Center, Santa Cruz, California
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9K1YQ35
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Alicia F. Balster-Gee
Originator: Daniel S. Brothers
Originator: David P. Finlayson
Originator: Lee Liberty
Originator: Peter Dartnell
Originator: Gerry A. Hatcher
Originator: Peter J. Haeussler
Originator: Mike Byerly
Publication_Date: 2019
Title:
Bathymetry, acoustic backscatter, and minisparker seismic-reflection datasets collected southwest of Montague Island and southwest of Chenega, Alaska during field activity 2014-622-FA
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9K1YQ35
Publication_Information:
Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, CA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9K1YQ35
Description:
Abstract:
High-resolution multibeam data were collected by the U.S. Geological Survey (USGS) and the Alaska Department of Fish and Game in May of 2014 southwest of Chenega Island, Alaska. Data were collected aboard the Alaska Department of Fish and Game vessel, R/V Solstice, during USGS field activity 2014-622-FA, using a pole mounted 100-kHz Reson 7111 multibeam echosounder.
Purpose:
This work was funded by the U.S. Geological Survey (USGS) Coastal and Marine Hazards and Resources Program (CMHRP) Marine Geohazards Project and the Alaska Department of Fish and Game (ADFG). The high-resolution bathymetry of bedrock, sediment deposits, and tectonic structure provide geologic information that is essential to hazard assessment, regional sediment management, and coastal and marine spatial planning at Federal, State, and local levels, as well as to future research on the geomorphic, sedimentary, tectonic, and climatic record of southeastern Alaska. These data and information are intended for science researchers, students from elementary through college, policy makers, and the general public.
Supplemental_Information:
Additional information about the field activities from which these data were derived is available online at:
https://cmgds.marine.usgs.gov/fan_info.php?fan=2014-622-FA
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in Esri format, this metadata file may include some Esri-specific terminology.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20140507
Ending_Date: 20140522
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: -148.297885
East_Bounding_Coordinate: -147.954768
North_Bounding_Coordinate: 60.336390
South_Bounding_Coordinate: 60.198236
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:5c5cc659e4b0fe48cb312581
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: imageryBaseMapsEarthCover
Theme:
Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: Bathymetry and Elevation
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: bathymetry
Theme_Keyword: bathymetry measurement
Theme_Keyword: sea-floor characteristics
Theme_Keyword: geospatial datasets
Theme_Keyword: marine geophysics
Theme_Keyword: multibeam sonar
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: seabed
Theme_Keyword: acoustic methods
Theme_Keyword: mapping
Theme_Keyword: geophysics
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: State of Alaska
Place_Keyword: Pacific Ocean
Place_Keyword: Gulf of Alaska
Place_Keyword: Prince William Sound
Place_Keyword: Chenega Island
Place_Keyword: Evans Island
Place_Keyword: Dangerous Passage
Place_Keyword: Knight Island Passage
Place_Keyword: Icy Bay
Place_Keyword: Nassau Bay
Place_Keyword: Jackpot Bay
Place_Keyword: Whale Bay
Place_Keyword: Bainbridge Passage
Place_Keyword: Port Bainbridge
Place:
Place_Keyword_Thesaurus: NGA GEOnet Names Server (GNS)
Place_Keyword: North Pacific Ocean
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. This information is not intended for navigation purposes.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name:
https://www.sciencebase.gov/catalog/file/get/ 5c5cc659e4b0fe48cb312581?name=2014-622-FA_Chenega_UTM6N_10m_bathymetry_map.gif&allowOpen=true
Browse_Graphic_File_Description:
Map showing bathymetric terrain grid southwest of Chenega Island
Browse_Graphic_File_Type: GIF
Native_Data_Set_Environment:
Caris HIPS and SIPS (ver. 9) and ArcMap (ver. 10.3.1) on a Windows 7 computer
Cross_Reference:
Citation_Information:
Originator: Daniel S. Brothers
Originator: Peter J. Haeussler
Originator: Lee Liberty
Originator: David Finlayson
Originator: Eric Geist
Originator: Keith Labay
Originator: Mike Byerly
Publication_Date: 2016
Title:
A submarine landslide source for the devastating 1964 Chenega tsunami, southern Alaska
Other_Citation_Details:
Brothers and others, 2016, A submarine landslide source for the devastating 1964 Chenega tsunami, southern Alaska: Earth and Planetary Science Letters, v. 438, p.112-121.
Online_Linkage: https://doi.org/10.1016/j.epsl.2016.01.008
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Data were collected using a 100-kHz Reson 7111 multibeam echosounder with depth resolution of 3cm. Soundings were corrected real-time using inputs from a vehicle motion sensor and corrected for water column sound velocity variations using sound velocity values calculated from CTD casts. Accuracies of final products may be lower due to total propagated uncertainties of the mapping systems, which include sonar system, position and motion compensation system, and navigation, as well as data processing that includes sounding cleaning, gridding, and datum transformations.
Logical_Consistency_Report: No formal logical accuracy tests were conducted.
Completeness_Report:
Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The stated accuracy of the Applanix POS-MV post-processed horizontal position is about 0.1 m, with roll and pitch stated accuracies of about 0.02 degrees (https://www.applanix.com/downloads/products/specs/posmv/POS-MV-WaveMaster-II.pdf). Accuracies of final products may be lower due to total propagated uncertainties of the mapping systems, which include sonar system, position and motion compensation system, and navigation, as well as data processing that includes sounding cleaning, gridding, and datum transformations.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The stated accuracy of the Applanix POS-MV post-processed vertical position is about 0.2 m (https://www.applanix.com/downloads/products/specs/posmv/POS-MV-WaveMaster-II.pdf). Accuracies of final products may be lower due to total propagated uncertainties of the mapping systems, which include sonar system, position and motion compensation system, and navigation, as well as data processing that includes sounding cleaning, gridding, and datum transformations.
Lineage:
Process_Step:
Process_Description:
In 2014, the U.S. Geological Survey (USGS), in cooperation with the Alaska Department of Fish and Game (ADFG), mapped offshore the southwest corner of Chenega Island and near Chenega Alaska. A 100-kHz Reson 7111 multibeam echosounder was pole-mounted to the ADFG R/V Solstice, and an Applanix POS-MV (Position and Orientation System for Marine Vessels) was used to position the vessel during data collection where it also accounted for vessel motion such as heave, pitch, and roll. The POS-MV also recorded position and vessel motion parameters for later post-processing. Soundings were corrected real-time using inputs from the POS-MV and corrected for water column sound velocity variations using sound velocity values calculated from CTD casts. Reson 7111 line files were imported into Caris HIPS and SIPS processing software where the data were cleaned for obvious errors and gridded into 10-m resolution bathymetry grids. The grids were exported to ASCIIRaster files in UTM, zone 6, WGS84 coordinates.
Process_Date: 20190215
Process_Step:
Process_Description: Edits were made to standardize a few of the "None" keywords.
Process_Date: 20190620
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Susan A Cochran
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission St.
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: United States
Contact_Voice_Telephone: 831-460-7545
Contact_Electronic_Mail_Address: scochran@usgs.gov
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: Raster
Raster_Object_Information:
Raster_Object_Type: Grid Cell
Row_Count: 1334
Column_Count: 1442
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 6N
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -147.000000
Latitude_of_Projection_Origin: 0.000000
False_Easting: 500000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 10.000000
Ordinate_Resolution: 10.000000
Planar_Distance_Units: Meters
Geodetic_Model:
Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257224
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: Mean Lower Low Water
Altitude_Resolution: 0.1
Altitude_Distance_Units: meters
Altitude_Encoding_Method:
Explicit elevation coordinate included with horizontal coordinates
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Value
Entity_Type_Definition: depth relative to Mean Lower Low Water
Entity_Type_Definition_Source: Producer defined
Overview_Description:
Entity_and_Attribute_Overview:
10-m resolution merged Southwest Chenega Island, Gulf of Alaska bathymetry grid was originally archived as a TIFF image with the following attributes. >Cell size = 10.0, 10.0 >Number of rows = 1442 >Number of columns = 1334 >Data type = floating point >Boundary >Xmin = 430930.000000 >Xmax = 444270.000000 >Ymin = 6688860.000000 >Ymax = 6674440.000000 >Statistics >Minimum value = -486.7860107421875 >Maximum value = -21.43099975585938 >Mean = -290.7151654715518 >Standard deviation = 121.7391908518499 >Coordinate system description >Projection UTM >Zone 06 >Datum NAD83 >Vertical Reference MLLW >Units meter
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - ScienceBase
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: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov
Resource_Description:
These data are available in TIFF format, including a tiff world file (.tfw), and accompanied by FGDC-compliant metadata and a browse graphic.
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: geoTIFF
Format_Version_Number: ArcMap (version 10.3.1)
Format_Information_Content:
Zip file contains the TIFF (.tif), the tiff world file (.tfw), an XML (.xml) version of the metadata, and a browse graphic.
File_Decompression_Technique: zip command in the Unix command line
Transfer_Size: 1.91
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions:
Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download a zipped file containing all files. The second link points to a page with the geoTIFF, metadata, and browse graphic. The third link points to a landing page for the entire data release.
Fees: None.
Technical_Prerequisites:
The downloadable data file has been compressed with the "zip" command and can be unzipped with WinZip (or other tool) on Windows systems. To utilize these data, the user must have software capable of uncompressing the WinZip file and importing and viewing an Esri ASCIIRaster file.
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: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

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