GeoTIFF image of acoustic backscatter collected by the U.S. Geological Survey within the Upper St. Clair River between Michigan and Ontario, Canada, 2008 (GeoTIFF, MOSAIC_05M.TIF).

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2010
Title:
GeoTIFF image of acoustic backscatter collected by the U.S. Geological Survey within the Upper St. Clair River between Michigan and Ontario, Canada, 2008 (GeoTIFF, MOSAIC_05M.TIF).
Edition: 1.0
Geospatial_Data_Presentation_Form: remote-sensing image
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2010-1035
Publication_Information:
Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.3133/ofr20101035
Online_Linkage: https://pubs.usgs.gov/of/2010/1035/html/gis.html
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Jane F. Denny
Originator: David S. Foster
Originator: Charles R. Worley
Originator: Barry J. Irwin
Publication_Date: 2010
Title:
Geophysical data collected from the St. Clair River between Michigan and Ontario, Canada, 2008-016-FA
Edition: 1.0
Geospatial_Data_Presentation_Form: online
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2010-1035
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2010/1035/
Description:
Abstract:
In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a geophysical and sampling survey of the riverbed of the Upper St. Clair River between Port Huron, MI, and Sarnia, Ontario, Canada. The objectives were to define the Quaternary geologic framework of the St. Clair River to evaluate the relationship between morphologic change of the riverbed and underlying stratigraphy. This report presents the geophysical and sample data collected from the St. Clair River, May 29-June 6, 2008 as part of the International Upper Great Lakes Study, a 5-year project funded by the International Joint Commission of the United States and Canada to examine whether physical changes in the St. Clair River are affecting water levels within the upper Great Lakes, to assess regulation plans for outflows from Lake Superior, and to examine the potential effect of climate change on the Great Lakes water levels ( http://www.iugls.org). This document makes available the data that were used in a separate report, U.S. Geological Survey Open-File Report 2009-1137, which detailed the interpretations of the Quaternary geologic framework of the region. This report includes a description of the suite of high-resolution acoustic and sediment-sampling systems that were used to map the morphology, surficial sediment distribution, and underlying geology of the Upper St. Clair River during USGS field activity 2008-016-FA . Video and photographs of the riverbed were also collected and are included in this data release. Future analyses will be focused on substrate erosion and its effects on river-channel morphology and geometry. Ultimately, the International Upper Great Lakes Study will attempt to determine where physical changes in the St. Clair River affect water flow and, subsequently, water levels in the Upper Great Lakes.
Purpose:
This acoustic backscatter mosaic will be used to identify bedforms and surficial sediment distribution within the Upper St. Clair River. The mosaic will be correlated to sediment samples of the river floor and bottom video and photographs in order to interpret the acoustic facies.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20080529
Ending_Date: 20080601
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -82.448152
East_Bounding_Coordinate: -82.385284
North_Bounding_Coordinate: 43.020280
South_Bounding_Coordinate: 42.951999
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:28eeb5da-2c7e-44f4-9d36-b42e119ff8fd
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: CMGP
Theme_Keyword: surficial sediment
Theme_Keyword: sidescan-sonar
Theme_Keyword: interferometry
Theme_Keyword: SEA SWATHplus 234 kHz
Theme_Keyword: acoustic backscatter
Theme_Keyword: WHCMSC field activity serial number 08016
Theme_Keyword: GeoTIFF Image
Theme_Keyword: USGS R/V Rafael
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: imageryBaseMapsEarthCover
Theme_Keyword: inlandWaters
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: lakebed acoustic reflectivity
Theme_Keyword: image mosaics
Theme_Keyword: interferometric sonar
Theme_Keyword: geophysics
Theme_Keyword: geospatial datasets
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: North America
Place_Keyword: United States
Place_Keyword: Michigan
Place_Keyword: Great Lakes
Place_Keyword: Upper Great Lakes
Place_Keyword: Lake Huron
Place_Keyword: St. Clair River
Place_Keyword: Upper St. Clair River
Place_Keyword: Canada
Place_Keyword: Ontario
Access_Constraints: None
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of the dataset.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane Denny
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2311
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description: Thumbnail image of acoustic backscatter
Browse_Graphic_File_Type: JPEG
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.2.6.1500
Cross_Reference:
Citation_Information:
Originator: David S. Foster
Originator: Jane F. Denny
Publication_Date: 2009
Title:
Quaternary Geologic Framework of the St. Clair River between Michigan and Ontario, Canada
Edition: 1.0
Geospatial_Data_Presentation_Form: on-line document
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2009-1137
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2009/1137/
Cross_Reference:
Citation_Information:
Originator: Jonathan Beaudoin
Publication_Date: 2002
Title: Hitchhiker's Guide to Swathed...
Geospatial_Data_Presentation_Form: online
Publication_Information:
Publication_Place: Fredericton, New Brunswick
Publisher: University of New Brunswick Ocean Mapping Group
Online_Linkage:
Data_Quality_Information:
Logical_Consistency_Report:
All acoustic backscatter data were collected during USGS cruise 08016 using a SWATHplus 234-kHz swath bathymetric system and an Octopus F180R Attitude and Positioning System. Quality control was conducted during processing of the data. Any spurious data or artifacts were removed or minimized.
Completeness_Report:
Lines 1 - 65 were used to generate the final GeoTIFF mosaic, mosaic_05m.tif. Gaps present in this data are generally in shallow-water areas where the system was not tracking bottom, or poor quality sonar returns precluded use in the completed mosaic.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Differential Global Positioning System (DGPS) navigation data were acquired with the forward, or primary, Octopus F180R Attitude and Positioning system DGPS antenna and transmitted via a network connection to the SWATHplus data collection software. The F180R Attitude and Positioning system uses 2 L1 antennas for position and heading and an Inertial Measurement Unit (IMU) for motion sensing. The F180R IMU is mounted on the rigid sidemount used to deploy the SWATHplus bathymetric system, and is located directly above the SWATHplus transducers. The F180R antennas are mounted on a rigid horizontal pole, 3 meters above the F180R IMU, offset in a forward/aft configuration (see 'source contribution' for a full description of the F180R). DGPS accuracy is 1 to 3 meters, depending on the distance from a US Coast Guard coastal repeater station (http://www.navcen.uscg.gov/).
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: unknown
Title: Information unavailable from original metadata
Type_of_Source_Media: disc
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20080529
Ending_Date: 20080602
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: Information unavailable from original metadata
Source_Contribution:
Swath-bathymetric and acoustic-backscatter data were acquired with a SEA, Ltd., SWATHplus interferometric sonar operating at a 234-kHz frequency (http://www.sea.co.uk/swathplus.aspx?nav=products). The SWATHplus transducer was mounted at the bow of the USGS R/V Rafael. Bathymetric data were acquired over variable swath widths ranging from 10 to 100 m, in water depths of about 1 to 25 m. A total of 109 km of swath bathymetric data were collected.
SWATHplus acquisition software (version 3.05.90) was used to digitally log the bathymetric data at a rate of 30 pings/second and 3,072 samples per swath (ping) in the SWATHplus SXR format. Data collection parameters are saved into a SWATHplus session file in SEA's SXS format. These files can be later used for data replay.
An Octopus F180R Attitude and Positioning system (see: <http://www.codaoctopus.com/motion/f180/index.asp>) recorded ship motion (heave, pitch, roll, and yaw). These data were transmitted via network connection to the SWATHplus data collection software. The Octopus F180R Inertial Measurement Unit (IMU) was mounted directly above the SWATHplus transducers, to minimize lever arm offsets that can lead to positioning errors. The F180R uses two L1 antennas for position and heading accuracy. The antennas are mounted on a rigid horizontal pole, 3 meters above the F180R IMU, with a horizontal separation of 1 meter and are offset from the IMU in a forward/aft configuration. The forward offset of the primary antenna from the IMU is 0.5 meters, with no port/starboard offset.
Eight sound-velocity profiles were acquired during survey operations at roughly 4-hr intervals using an Applied Microsystems SV Plus V2 Velocimeter (Applied Microsystems, 2008).
Process_Step:
Process_Description:
Raw SWATHplus (*sxr) files were unraveled using the University of New Brunswicks Ocean Mapping Group (OMG) SwathEd multibeam processing software (http://www.omg.unb.ca/~jhc/swathed/index.html)/ (Beaudoin, 2002). The unravel process converts the raw *sxr file to OMG file formats for soundings and backscatter and stores navigation in binary and ASCII files. During the unravel backscatter is also converted to USGS Xsonar/Showimage file format (*. (backscatter) and *.nav files). The Xsonar/Showimage files are desampled to 1024 bytes/ping at 100-m swath, yielding resolution of 0.1m/pixel.
SwathEd (no version) (Beaudoin, 2002)
Process_Date: 2009
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane Denny
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2311
Contact_Facsimile_Telephone: 5084572310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Process_Step:
Process_Description:
Xsonar/Showimage was used to process the backscatter. Slant range was corrected and data were normalized across swath using a beam pattern routine with the following parameters: 200 pings with a 50-ping overlap, generating *sb (slant-range and beam pattern) files. Navigation was not merged within the Xsonar/Showimage, as navigation data were merged during the unravel routine using SwathEd. Navigation data were plotted and viewed graphically within Xsonar/Showimage for quality assessment.
Xsonar/Showimage (no version) (Danforth, 1997; Danforth and Others, 1991).
Process_Date: 2009
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane Denny
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2311
Contact_Facsimile_Telephone: 5084572310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Process_Step:
Process_Description:
An OMB SwathEd utility backToSwathed was used to convert the processed Xsonar/Showimage files (*.sb) back to OMG format (*.slr). The *.slr files were used to generate a backscatter mosaic using the following routines, where bounds are defined within the 'make_blank' routine:
-Create Blank Map Sheet at 0.5 meter resolution, UTM meters, Zone 17N, WGS84 (make_blank -prime 255 -8bit mosaic) -Copy mosaic.blank to mosaic.mos mosaic.ran -Mosaic the individual sonar lines (mos2 -maxdist 10 -custom_weight MOS_weights mosaic *.slr) -Remove the 1024 byte header from the mosaic.mos file (dd if=mosaic.mos of=mosaic.raw bs=1024 skip =1) -Convert the raw mosaic file to TIFF using Adobe Photoshop (CS3 10.0.1) -A world file was generated for the TIFF image using the UNIX command vi -GeoTIFF Examine, v. 1.01 (www.mentorsoftwareinc.com) was used to convert the TIFF image to a GeoTIFF.
Adobe Photoshop CS3 was used to apply a linear stretch to the mosaic. The digital number range of the backscatter image is 10 - 234. No data values are represented by 255.
Process_Date: 2009
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane Denny
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2311
Contact_Facsimile_Telephone: 5084572310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Process_Step:
Process_Description:
Edits to the metadata were made to fix any errors that MP v 2.9.36 flagged. This is necessary to enable the metadata to be successfully harvested for various data catalogs. In some cases, this meant adding text "Information unavailable" or "Information unavailable from original metadata" for those required fields that were left blank. Other minor edits were probably performed (title, publisher, publication place, etc.). The link to the data in the Distribution_Information section had to be fixed. Attempted to modify http to https where appropriate. Reordered the links in the identification section to have a landing page link as the first link. The source information was incomplete and had to be modified to meet the standard. The distribution format name was modified in an attempt to be more consistent with other metadata files of the same data format. The metadata date (but not the metadata creator) was edited to reflect the date of these changes. The metadata available from a harvester may supersede metadata bundled within a download file. Compare the metadata dates to determine which metadata file is most recent.
Process_Date: 20171018
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
Process_Step:
Process_Description: USGS Thesaurus keywords added to the keyword section.
Process_Date: 20180720
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
Process_Step:
Process_Description: Crossref DOI link was added as the first link in the metadata.
Process_Date: 20191118
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
Process_Step:
Process_Description:
Added keywords section with USGS persistent identifier as theme keyword.
Process_Date: 20200908
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: Pixel
Row_Count: 15001
Column_Count: 10001
Vertical_Count: 1
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 17
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -81.000000
Latitude_of_Projection_Origin: 0.000000
False_Easting: 500000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 0.500000
Ordinate_Resolution: 0.500000
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
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
The data range (digital numbers) within the backscatter mosaic is 10 through 234. No data values are represented by 255 within the image.
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane Denny
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2311
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
Neither the U.S. Government, the Department of the Interior, nor the USGS, 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 information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: GeoTIFF
Format_Information_Content:
This WinZip (version 9.0) file contains a TIFF image and associated world file of backscatter mosaic collected within the St. Clair River between Michigan and Ontario, Canada, 2008
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 12
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data can be downloaded via the World Wide Web (WWW)
Fees: none
Technical_Prerequisites:
This Zip file contains a GeoTIFF image and world file. To utilize these data the user must have an image viewer, image processing or GIS software package capable of importing a GeoTIFF image.
Metadata_Reference_Information:
Metadata_Date: 20200908
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Jane F. Denny
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02536
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2311
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: jdenny@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_Access_Constraints: none
Metadata_Use_Constraints: none

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