5-meter interferometric bathymetry data collected in 2015 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA (32-bit GeoTIFF, UTM Zone 18N, WGS 84)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2016
Title:
5-meter interferometric bathymetry data collected in 2015 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA (32-bit GeoTIFF, UTM Zone 18N, WGS 84)
Edition: 2.0
Geospatial_Data_Presentation_Form: remote-sensing image
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F7P55KK3
Publication_Information:
Publication_Place:
Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.5066/F7P55KK3
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Edward M. Sweeney
Originator: Elizabeth A. Pendleton
Originator: Seth D. Ackerman
Originator: Brian D. Andrews
Originator: Wayne E. Baldwin
Originator: William W. Danforth
Originator: David S. Foster
Originator: E. Robert Thieler
Originator: Laura L. Brothers
Publication_Date: 2016
Title:
High-resolution geophysical data collected along the Delmarva Peninsula 2015, U.S. Geological Survey Field Activity 2015-001-FA
Edition: 2.0
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F7P55KK3
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F7P55KK3
Description:
Abstract:
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy in the fall of 2012. The U.S. Geological Survey conducted cruises during the summers of 2014 and 2015 to map the inner continental shelf of the Delmarva Peninsula using geophysical and sampling techniques to define the geologic framework that governs coastal system evolution at storm-event and longer timescales. Geophysical data collected during the cruises include swath bathymetric, sidescan sonar, chirp and boomer seismic reflection profiles, grab sample and bottom photograph data. More information about the USGS survey conducted as part of the Hurricane Sandy Response-- Geologic Framework and Coastal Vulnerability Study can be found at the project website or on the WHCMSC Field Activity Web pages: https://woodshole.er.usgs.gov/project-pages/delmarva/, https://cmgds.marine.usgs.gov/fan_info.php?fan=2015-001-FA and https://cmgds.marine.usgs.gov/fan_info.php?fan=2015-001-FA. Data collected during the 2014 survey can be obtained here: https://doi.org/10.5066/F7MW2F60.
Purpose:
These 5-m interpolated bathymetric data were created from swath interferometric bathymetry data. Bathymetric data are useful geophysical datasets for geologic framework studies. These data can be used in conjunction with other geophysical and sample data to identify sea-floor morphology.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20150610
Ending_Date: 20150714
Currentness_Reference:
ground condition; data were not collected on 20150628 (transition between Legs 1 and 2 of the survey)
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned.
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -75.912897
East_Bounding_Coordinate: -75.133419
North_Bounding_Coordinate: 37.849968
South_Bounding_Coordinate: 36.987871
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:79f19094-f74d-476c-8547-5e9b1b6ee52c
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: Interferometric bathymetry
Theme_Keyword: Bathyswath
Theme_Keyword: SWATHplus-M
Theme_Keyword: swath bathymetry
Theme_Keyword: GeoTIFF
Theme_Keyword: interferometry
Theme_Keyword: field activity number 2015-001-FA
Theme_Keyword: bathymetry
Theme_Keyword: Marine Geology
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation
Theme_Keyword: imageryBaseMapsEarthCover
Theme_Keyword: elevation
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: bathymetry
Theme_Keyword: sea-floor characteristics
Theme_Keyword: interferometric sonar
Theme_Keyword: marine geophysics
Theme_Keyword: geospatial datasets
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Atlantic Ocean
Place_Keyword: Delmarva Peninsula
Place_Keyword: Delaware
Place_Keyword: Maryland
Place_Keyword: Virginia
Place_Keyword: Assateague Island
Place_Keyword: Assateague Island National Seashore
Place_Keyword: Chincoteague Island
Place_Keyword: Chincoteague National Wildlife Refuge
Place_Keyword: Chincoteague Inlet
Place_Keyword: Chincoteague Bay
Place_Keyword: Wallops Island
Place_Keyword: Parramore Island
Place_Keyword: Cobb Island
Place_Keyword: Wreck Island
Place_Keyword: Ship Shoal Island
Place_Keyword: Myrtle Island
Place_Keyword: Smith Island
Place_Keyword: Fisherman Island
Place_Keyword: Hog Island
Stratum:
Stratum_Keyword_Thesaurus: None
Stratum_Keyword: sea floor
Stratum_Keyword: seafloor
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. These data are not to be used for navigation.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Edward M. Sweeney
Contact_Organization: U.S. Geological Survey
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: Massachusetts
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2256
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: emsweeney@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description:
Thumbnail image of regional bathymetry data for Delmarva Peninsula.
Browse_Graphic_File_Type: JPEG
Cross_Reference:
Citation_Information:
Originator: Elizabeth A. Pendleton
Originator: Seth D. Ackerman
Originator: Wayne E. Baldwin
Originator: William W. Danforth
Originator: David S. Foster
Originator: E. Robert Thieler
Originator: Laura L. Brothers
Publication_Date: 2015
Title:
High-resolution geophysical data collected along the Delmarva Peninsula 2014, U.S. Geological Survey Field Activity 2014-002-FA
Edition: 3.0
Geospatial_Data_Presentation_Form: webpage
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F7MW2F60
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F7MW2F60
Data_Quality_Information:
Logical_Consistency_Report:
This grid represents interpolated swath interferometric bathymetry data at 5-m resolution. Quality control and data processing were conducted to remove spurious points and reduce sound speed artifacts (refraction). Soundings from the surveys were processed and edited using Computer Aided Resource Information System (CARIS) Hydrographic Information Processing System (HIPS; versions 9.0.14 and 9.0.19). Although the soundings were edited, small data spikes may still exist.
Completeness_Report:
Survey line bathymetry data that were collected within the Delmarva survey area were incorporated in this grid. The survey did not acquire complete coverage bathymetry data, as distance between adjacent survey lines was too great for overlapping swaths, resulting in gaps between survey lines. Interpolation was used to fill nadir gaps, but not gaps between survey lines.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Navigation data were acquired in WGS 84 coordinate system with an Applanix Wavemaster POS MV, which blends Global Navigation Satellite Systems (GNSS) with acceleration data from a Motion Reference Unit (MRU) and GPS azimuthal heading. The POS MV uses a dual antenna array with a designated primary and secondary antenna. Positions from the primary (forward) Applanix antenna were sent via Ethernet satellite link (from a KVH Mini-VSAT Broadband receiver) to shore stations in MD and VA. Returned Radio Technical Commission for Maritime Services (RTCM) 3.1 position corrections were passed through to the Applanix Wavemaster and applied to the Submetrix System for Real Time Kinematic (RTK) position solutions (accurate to less than 1 m, horizontally). Backup Differential Global Positioning System + Wide Area Augmentation System (DGPS+WAAS), which is accurate to within 2 m horizontally, were acquired using an Ashtech Proflex 800. Positional offsets from the primary antenna to the MRU were corrected within the BathySwath acquisition software.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Vertical accuracy of the raw data based on system specifications may be approximately 1 percent of water depth (0.1 to 0.4 m within the survey area). However, overall vertical accuracies on the order of 50 cm or better are assumed based on the following considerations: The Applanix Wavemaster POS MV Attitude and Positioning system, used to correct for vessel roll, pitch, heave, and yaw, has a theoretical vertical accuracy of a few mm. Tidal offsets were corrected to Mean Lower Low Water (MLLW) using a Zone Tidal Model supplied by the Hydrographic Planning Team at NOAA's National Ocean Service. Zone Tidal Models must conform to the International Hydrographic Organization (IHO) standards, which are within 30 cm vertical accuracy. Numerous sound speed profiles (more than 500) were acquired with a Brooke Ocean MVP30 moving vessel profiler and an Applied Microsystems Minos (SVP) hand-deployed velocimeter to minimize acoustic refraction artifacts in the bathymetry data. Sound speed data were entered into the BathySwath acquisition software to model the sound speed structure of the water column. Gridding algorithms and cell sizes for these data could introduce errors as great as 3 m along the edges of the data. Changes in ship draft due to water and fuel usage were not considered.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: Unpublished Material
Title: raw interferometric data in .sxr format
Geospatial_Data_Presentation_Form: raster digital data
Type_of_Source_Media: disc
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20150610
Ending_Date: 20150714
Source_Currentness_Reference:
ground condition; data were not collected on 20150628 (transition between Legs 1 and 2 of the survey).
Source_Citation_Abbreviation: raw bathymetry
Source_Contribution:
USGS used a 234 kHz Systems Engineering and Assessment Ltd. (SEA) SWATHplus-M (now Bathyswath) interferometric sonar pole-mounted on the port side of the M/V Scarlett Isabella. Survey lines were run at an average speed of 5 knots and were spaced 200 m apart in the nearshore to approximately 3-km apart in the offshore. Full data coverage was obtained for sidescan sonar data, but not for bathymetric data. The SEA BathySwath operates at a variable range (increased or decreased manually depending on water depth, but generally 85 m on both sides). The system was operated with a transmit power of 80 percent, a transmit length of 43 cycles, and 4096 samples per channel. Sound-velocity profiles were collected continuously with an ODIM MVP30 moving vessel profiler from 20150610 to 20150704 (JD 161-185) at which point the MVP30 was not recovered from cast number: MVP30_0724. The remaining sound speed profiles on 20150704 through 20150714 (JD 185 - 195) were collected with an Applied Microsystems Minos (SVP) hand-deployed velocimeter. Tides were corrected using a zone tidal model with observed tides from gauges in Atlantic City, NJ; Lewes, DE; Chesapeake Bay-Bridge-Tunnel, VA; and Duck, NC.
Process_Step:
Process_Description:
Each raw SWATHplus bathymetric sonar file (.sxr) was converted to a processed file (.sxp) using SWATHplus Processor (vers. 3.10.6.0). This software can import a nearly unlimited number of sound speed profiles and makes the process of recreating .sxp files much easier if the data need reprocessing. During the conversion process, sound speed profiles were used to minimize potential refraction artifacts from fluctuations in the speed of sound within the water column. Several bathymetric filters were applied to remove erroneous soundings and reduce the density of the data. Bathymetric filtering typically included low amplitude (100 percent), range (0-4 m), box (3-50 m depth, 1.5-75 m horizontal), median (window size 5), alongtrack 1 (depth difference of 5 m, window size 5 m, and learn rate of 0.7), alongtrack 2 (depth difference of 1.5 m, window size 1 m, and learn rate of 0.9), and mean filters (0.25 m). These represent the typical parameters used for the majority of the USGS surveys although the values may have been adjusted slightly for specific parts of the survey area.
Process_Date: 20150714
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: William W. Danforth
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: 508-548-8700 x2274
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: bdanforth@usgs.gov
Process_Step:
Process_Description:
A new CARIS HIPS project (vers. 9.0.14) was created with projection information set to Universal Transverse Mercator (UTM) Zone 18N, WGS 84. A vessel configuration file was created in CARIS for the Scarlett Isabella survey vessel, which included vendor specified uncertainty values for each of the survey sensors. Each BathySwath reprocessed file (sxp) was imported to the new CARIS project using the Import/Conversion Wizard. A 5-m resolution Bathymetry Associated with Statistical Error (BASE) surface was created from the files for each Julian day. The BASE surface for each day was reviewed for any inconsistencies or data anomalies. Navigation was reviewed and edited as needed using the navigation editor tool. Beam-to-beam slopes and across-track angle filters were applied to the soundings line by line. The refraction editor was used to adjust sound speed values in areas where velocimeter data did not adequately correct depth profiles obviously influenced by local anomalies in speed of sound through the water column.
Process_Date: 20150714
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: William W. Danforth
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: 508-548-8700 x2274
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: bdanforth@usgs.gov
Process_Step:
Process_Description:
Tide corrections (to MLLW) were applied within CARIS (version 9.0.14) using a discrete tidal-zoning model (DTZ) developed by NOAA/NOS's Hydrographic Planning Team (Huang, personal communication, 2010). The DTZ model corrects differences in tidal phase and amplitude between the survey area and observations made at NOS tide gauges at Atlantic City, NJ (8534720), Lewes, DE (8557380), Chesapeake Bay-Bridge-Tunnel, VA (8638863) and Duck NC (8651370). The tidal zone model was imported into CARIS (version: HIPS and SIPS 9.0.14) as a zone definition file (ZDF) and the observed tide data were loaded as CARIS .tid format files. Following tide correction, each line was re-merged and a BASE surface for the entire survey areas was computed to incorporate the MLLW observed tide information. Additional swath editing was done in CARIS using the swath and area based editors to remove additional inconsistencies and minimize survey artifacts.
Process_Date: 20160201
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Edward M. Sweeney
Contact_Position: Physical Scientist
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: 508-548-8700 x2256
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: emsweeney@usgs.gov
Process_Step:
Process_Description:
A Combined Uncertainty and Bathymetric Estimator (CUBE) surface was created in CARIS (version 9.0.19) after the survey using the uncertainty specifications of the survey instruments included in the vessel configuration file. Total Propagated Uncertainty (TPU) was calculated for each of the survey lines and the survey data was re-merged. The CUBE surface was created using IHO S-44 Order, Special Order specifications, with a Density and Locale Disambiguation method as a CUBE parameter. A nearest neighbor interpolation was performed on the CUBE surface in CARIS using a 3 x 3 matrix size (minimum: 6 node neighbors) to fill in some of the nadir gaps and empty grid cells. The CARIS HIPS interpolated CUBE surface was exported as a 5-m horizontal resolution 32-bit GeoTIFF (UTM Zone 18N, WGS 84) from CARIS, with pixel values (depths) ranging from -4.154 to -35.407 m. The GeoTIFF was imported into ArcGIS (version 10.3.1) and a corresponding world file was created using the EXPORT RASTER WORLD FILE tool. The TFW world file was created with the same prefix as the GeoTIFF and with .tfw extension.
Process_Date: 20160202
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Edward M. Sweeney
Contact_Position: Physical Scientist
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: 508-548-8700 x2256
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: emsweeney@usgs.gov
Process_Step:
Process_Description:
The online links to the data were updated to reflect the new server hosting the data. Additionally, other small edits could be made to the metadata, such as modifying http to https where appropriate. The metadata date (but not the metadata creator) was edited to reflect the date of these changes.
Process_Date: 20170419
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:
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: 13689
Column_Count: 19054
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: 18N
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -75
Latitude_of_Projection_Origin: 0
False_Easting: 500000
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 5.0
Ordinate_Resolution: 5.0
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:
Depth_System_Definition:
Depth_Datum_Name: Mean lower low water
Depth_Resolution: 0.1
Depth_Distance_Units: meters
Depth_Encoding_Method: Explicit depth coordinate included with horizontal coordinates
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
There are no attributes associated with a GeoTIFF. The "no data" value is set to 3.402823e+038.
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Edward M. Sweeney
Contact_Organization: U.S. Geological Survey
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: Massachusetts
Postal_Code: 02543
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2256
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: emsweeney@usgs.gov
Resource_Description:
USGS data release 2015-001-FA bathymetry data from the Delmarva Peninsula area (2015-001-FA_bathy.zip). The zip file contains the following a GeoTIFF image in BigTIFF format: 2015-001-FA_bathy.tif, which has a TIFF world file, with the same image prefix name and a .tfw extension. A browse graphic (2015-001-FA_bathy_browse.jpg) and Federal Geographic Data Committee (FGDC) Content Standards for Digital Geospatial Metadata (CSDGM) metadata files (2015-001-FA_bathy.xml) in four standard formats are also included in the zip file.
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_Version_Number: unknown
Format_Specification: 32-bit GeoTIFF image file
Format_Information_Content:
The WinZip (version 14.0) file contains a GeoTIFF image file and TFW world file derived from bathymetry data collected during USGS field activity 2015-001-FA. This also includes associated metadata.
File_Decompression_Technique: Use WinZip, 7zip, Peazip or pkUnzip
Transfer_Size: 63
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data can be downloaded via the Internet
Fees: none
Technical_Prerequisites:
This WinZip file contains a GeoTIFF image files and associated metadata files. To utilize these data, the user must have software capable of viewing GeoTIFF image files.
Metadata_Reference_Information:
Metadata_Date: 20211119
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Edward M. Sweeney
Contact_Organization: U.S. Geological Survey
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: Massachusetts
Postal_Code: 02543
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2256
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov
Contact_Instructions:
The metadata contact email address is a generic address in the event the metadata contact is no longer with the USGS or the email is otherwise invalid.
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

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