USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Timestack Imagery and Coordinate Data

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Shawn R. Harrison
Originator: Mark L. Buckley
Originator: Paco López Mújica
Originator: Joshua Logan
Originator: Olivia Cheriton
Originator: T. Shay Viehman
Originator: Curt D. Storlazzi
Originator: Justin J. Birchler
Originator: Margaret L. Palmsten
Originator: Eric Swanson
Originator: Emily L. Johnson
Publication_Date: 20240510
Title:
USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Timestack Imagery and Coordinate Data
Edition: 1.0
Geospatial_Data_Presentation_Form: raster digital data
Larger_Work_Citation:
Citation_Information:
Originator: Shawn R. Harrison
Originator: Mark L. Buckley
Originator: Paco López Mújica
Originator: Joshua Logan
Originator: Olivia Cheriton
Originator: T. Shay Viehman
Originator: Curt D. Storlazzi
Originator: Justin J. Birchler
Originator: Margaret L. Palmsten
Originator: Eric Swanson
Originator: Emily L. Johnson
Publication_Date: 20240510
Title:
USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Timestack Imagery and Coordinate Data
Edition: 1.0
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P13MJ66F
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.5066/P13MJ66F
Description:
Abstract:
A digital video camera was installed at Isla Verde Beach in San Juan, Puerto Rico (PR) and faced northeast along the beach. Every hour during daylight hours, daily from February 1, 2019, to July 15, 2019, the camera collected raw video and produced snapshots and time-averaged image products. One such product is a "runup timestack". Runup timestacks are images created by sampling a cross-shore array of pixels from an image through time as waves propagate towards and run up a beach. Runup timestacks store the red, green, and blue or monochrome pixel intensity as a function of the cross-shore position as imagery for the sampling period, typically around 10 minutes. The images included in this data release were collected from February 8, 2019, to February 23, 2019. The camera is part of a U.S. Geological Survey (USGS) research project to study the beach and nearshore environment. USGS researchers analyzed the timestack imagery collected from this camera to remotely sense information such as the elevation of wave runup. This camera is part of the USGS CoastCam network, supported by the Total Water Level/Coastal Change Project under the Coastal and Marine Hazards and Resources Program (CMHRP). To learn more about this specific camera visit https://www.usgs.gov/centers/pcmsc/science/using-video-imagery-study-wave-dynamics-isla-verde.
Purpose:
Data were obtained to document changes in shoreline position and coastal morphology. These data are intended for science researchers, students, policy makers, and the public. These data can be further processed to calculate wave runup. To ensure that USGS CMHRP data management protocols were followed, a USGS Field Activity Number was assigned (FAN) for this camera imagery collection: 2018-670-FA. Additional information about this FAN is available on the Coastal and Marine Geoscience Data System (CMGDS): https://cmgds.marine.usgs.gov/fan_info.php?fan=2018-670-FA.
Supplemental_Information:
The bounding coordinates below represent the limits of the rectified images from the CoastCam that covers the entirety of the beach at low tide and approximately 300 meters (m) directly in line of the camera facing alongshore. This dataset represents the timestack images (in Network Common Data Form format (netCDF, .nc)) collected from the Isla Verde CoastCam in 2019. More timestack images will be added to this release as they are processed.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20190208
Ending_Date: 20190223
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -66.012003
East_Bounding_Coordinate: -66.007598
North_Bounding_Coordinate: 18.446538
South_Bounding_Coordinate: 18.443801
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:e4e2578b-4f2d-4ec7-825b-4070e0060d6c
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: environment
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
Theme_Keyword: CoastCam
Theme_Keyword: Total Water Level
Theme_Keyword: runup
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: image analysis
Theme_Keyword: field methods
Theme_Keyword: video monitoring
Theme_Keyword: optical methods
Theme_Keyword: ecosystem management
Theme_Keyword: photography
Theme_Keyword: remote sensing
Theme_Keyword: image collections
Theme_Keyword: geomorphology
Theme_Keyword: ocean sciences
Theme_Keyword: coastal processes
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Island of Puerto Rico
Place_Keyword: Commonwealth of Puerto Rico
Place_Keyword: Balneario Isla Verde
Place_Keyword: El Alambique Beach
Place_Keyword: Isla Verde Beach
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 (USGS) as the source of this information.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: USGS SPCMSC Data Management Group
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Native_Data_Set_Environment:
Environment as of metadata creation: Python 3.9.10 (https://www.python.org/downloads/release/python-3910/); Microsoft Windows 10 Enterprise Version 22H2; netCDF4 Python library (https://unidata.github.io/netcdf4-python/) version 1.6.2; SciPy Python library (https://scipy.org/) version 1.9.3; UTM Python library (https://pypi.org/project/utm/) version 0.7.0; MATLAB Compiler Runtime 8.3 (https://www.mathworks.com/products/compiler/matlab-runtime.html)
Cross_Reference:
Citation_Information:
Originator: Brittany L. Bruder
Originator: Katherine L. Brodie
Publication_Date: 20200909
Title: CIRN Quantitative Coastal Imaging Toolbox
Series_Information:
Series_Name: SoftwareX
Issue_Identification: Volume 12, 100582
Publication_Information:
Publication_Place: Online
Publisher: Elsevier
Online_Linkage: https://doi.org/10.1016/j.softx.2020.100582
Cross_Reference:
Citation_Information:
Originator: K. Todd Holland
Originator: Robert A. Holman
Originator: Thomas C. Lippmann
Originator: John Stanley
Originator: Nathaniel Plant
Publication_Date: 19970101
Title:
Practical Use of Video Imagery in Nearshore Oceanographic Field Studies
Series_Information:
Series_Name: IEEE Journal of Oceanic Engineering
Issue_Identification: Volume 22, Issue 1
Publication_Information:
Publication_Place: Online
Publisher: IEEE
Online_Linkage: https://doi.org/10.1109/48.557542
Cross_Reference:
Citation_Information:
Originator: Robert A. Holman
Originator: John Stanley
Publication_Date: 20070416
Title: The History and Technical Capabilities of Argus
Series_Information:
Series_Name: Coastal Engineering
Issue_Identification: Volume 54, Issues 6–7
Publication_Information:
Publication_Place: Online
Publisher: Elsevier
Online_Linkage: https://doi.org/10.1016/j.coastaleng.2007.01.003
Cross_Reference:
Citation_Information:
Originator: Margaret L. Palmsten
Originator: Katherine L. Brodie
Publication_Date: 20220118
Title: The Coastal Imaging Research Network (CIRN)
Series_Information:
Series_Name: Remote Sensing
Issue_Identification: Volume 14, Issues 3
Publication_Information:
Publication_Place: Online
Publisher: MDPI
Online_Linkage: https://doi.org/10.3390/rs14030453
Cross_Reference:
Citation_Information:
Originator: Nathaniel G. Plant
Originator: K.Todd Holland
Originator: Jack A. Puleo
Publication_Date: 20021005
Title: Analysis of the Scale of Errors in Nearshore Bathymetric Data
Series_Information:
Series_Name: Marine Geology
Issue_Identification: Volume 191, Issues 1–2
Publication_Information:
Publication_Place: Online
Publisher: Elsevier
Online_Linkage: https://doi.org/10.1016/S0025-3227(02)00497-8
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The video camera collected 5-megapixel images, with file sizes generally between 0.08 and 0.65 megabytes (MB) on disc. Images may be obscured by water droplets, insects, birds, salt, sand and dirt, poor visibility from adverse weather conditions or sun glare, and thus may not reflect the true state of the beach and ocean.
Logical_Consistency_Report:
The camera system installed (FLIR BFLY-PGE-50S5C-C) was programmed to collect three-band images every hour during daylight hours and take video for approximately 10 minutes. A timestack image for the 10-minute period was created by sampling a single transect on the beach.
Completeness_Report:
The imagery represents a fixed location at Isla Verde, PR. Images may not be available every hour of operation due to camera malfunction. Images may be obscured by water droplets, insects, birds, salt, sand and dirt, poor visibility from adverse weather conditions or sun glare, and thus may not reflect the true state of the beach and ocean. This product 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 post-processed kinematic (PPK) data collected in field activity 2018-670-FA were used to validate the extrinsic camera calibration using corrections referenced to the National Geodetic Survey (NGS) Continuously Operating Base Station (CORS), ZSU4, located approximately 2.5 kilometers from the study area (https://geodesy.noaa.gov/CORS/). The mean reported horizontal precision of these measurements was 0.020 meters (with a standard deviation of 0.003 meters). The magnitude of additional errors resulting from uncertainty in the base station reference position, errors in tripod centering, and antenna height measurement errors are unknown. The precise locations of the targets are used in the CIRN Quantitative Coastal Imaging Toolbox steps B and C (Bruder and Brodie, 2020). Horizontal coordinates are referenced to the North American Datum of 1983 (National Spatial Reference System 2011) Universal Transverse Mercator Zone 20 North (NAD83(2011)/UTM Zone 20N) coordinate system, with a resolution of 0.001 meters.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The PPK data collected in field activity 2018-670-FA were used to validate the extrinsic camera calibration using corrections referenced to the National Geodetic Survey (NGS) Continuously Operating Base Station (CORS), ZSU4, located approximately 2.5 kilometers from the study area (https://geodesy.noaa.gov/CORS/). The mean reported vertical precision of these measurements was 0.045 meters (with a standard deviation of 0.011 meters). The magnitude of additional errors resulting from uncertainty in the base station reference position, errors in tripod centering, and antenna height measurement errors are unknown. The precise locations of the targets are used in the CIRN Quantitative Coastal Imaging Toolbox steps B and C (Bruder and Brodie, 2020). Vertical positions are referenced to the Puerto Rico Vertical Datum of 2002 (PRVD02; EPSG:1123), derived using GEOID12B, coordinate system, with a resolution of 0.001 meters.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Shawn R. Harrison
Originator: Mark L. Buckley
Originator: Paco López Mújica
Originator: Joshua Logan
Originator: Olivia Cheriton
Originator: T. Shay Viehman
Originator: Curt D. Storlazzi
Originator: Justin J. Birchler
Originator: Margaret L. Palmsten
Originator: Eric Swanson
Originator: Emily L. Johnson
Publication_Date: 20240510
Title:
USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Calibration and GNSS Topography Survey Data
Geospatial_Data_Presentation_Form: tabular digital data, raster digital data
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P13RKCPN
Type_of_Source_Media: JPEG, YAML, comma-delimited-text
Source_Time_Period_of_Content:
Time_Period_Information:
Multiple_Dates/Times:
Single_Date/Time:
Calendar_Date: 20181105
Single_Date/Time:
Calendar_Date: 20181106
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation:
IslaVerdePR_c1_20181105_IO, IslaVerdePR_c1_20181106_EO, IslaVerdePR_XYZ_20181107
Source_Contribution:
Images to solve camera intrinsic and extrinsic orientation along with solved parameters during imagery and timestack data collection at Isla Verde, PR. Global navigation satellite system (GNSS) survey data collected within the field-of-view of the camera used to generate a topo-bathymetric surface.
Source_Information:
Source_Citation:
Citation_Information:
Originator: National Geodetic Survey
Publication_Date: 20240110
Title: 2019 NOAA NGS Topobathy Lidar DEM: Puerto Rico
Geospatial_Data_Presentation_Form: raster digital data
Publication_Information:
Publication_Place: Charleston, SC
Publisher: National Oceanic and Atmospheric Administration (NOAA)
Online_Linkage: https://www.fisheries.noaa.gov/inport/item/65633
Type_of_Source_Media: raster digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20190120
Ending_Date: 20190602
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: lidar data
Source_Contribution:
Light detection and ranging (lidar) data used in the generation of a topo-bathymetric surface.
Process_Step:
Process_Description:
Before mounting the CoastCam (c1) at the beach, the camera (FLIR BFLY-PGE-50S5C-C) was used to take intrinsic camera calibration images. Please refer to the IslaVerdePR_c1_20181105_IO zip file and the IslaVerdePR_c1_calibration_metadata record included in Harrison and others (2024) for access to the intrinsic camera calibration data and more information on the calibration process. After calibration was complete, the camera was mounted on a pole. The computer and camera were powered by a solar panel and battery. Data was transferred via cellular.
Source_Used_Citation_Abbreviation: IslaVerdePR_c1_20181105_IO
Process_Date: 20181105
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Joshua Logan
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: USA
Contact_Voice_Telephone: 831-460-7519
Contact_Electronic_Mail_Address: jlogan@usgs.gov
Process_Step:
Process_Description:
The camera was programmed to collect three-band (RGB) images at 2 Hertz (Hz) for a total of approximately 10 minutes, every hour during daylight hours. The images included in this data release were collected from February 9, 2019, to February 23, 2019. Gaps exist in the dataset because not every image collected by the camera is being used in the dataset. Additionally, some images may have been obscured by water droplets, insects, birds, salt, sand and dirt, poor visibility from adverse weather conditions, or sun glare, and thus may not reflect the true state of the beach and ocean. Each hour the camera was activated, a timestack image product was produced by sampling intensity values at a single transect of pixels, defined by (U,V) pixel coordinates. The (U,V) sampling locations were determined by identifying a cross-shore transect of locations in local horizontal (X,Y) coordinate system, which aligned with the local shoreline orientation. The elevation of samples was chosen as Z = 0 m, which is an elevation assumed to be near the water line. The vertical reference frame was PRVD02 coordinate system. XYZ-sampling locations were projected into (U,V) image coordinates following established methods (Palmsten and Brodie, 2022; Bruder and Brodie, 2020) and using intrinsic (IslaVerdePR_c1_20181105_IO) and extrinsic (IslaVerdePR_c1_20181106_EO) camera calibration parameters from Harrison and others (2024).
Source_Used_Citation_Abbreviation: IslaVerdePR_c1_20181105_IO, IslaVerdePR_c1_20181106_EO
Process_Date: 2019
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Justin J. Birchler
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: 727-502-8019
Contact_Electronic_Mail_Address: jbirchler@usgs.gov
Process_Step:
Process_Description:
The timestack images were converted to netCDF timestacks and processed to add additional information using the netCDF4 Python library version 1.6.2. The times of the collection, sampled at 2 Hz, were stored as a one-dimensional (1D) array, where each index of the array contained a time represented as epoch time, seconds elapsed since 00:00:00 UTC on January 1, 1970. The sampling locations, saved as local XYZ values, were stored as a two-dimensional array. Because pixels were stored assuming an elevation of Z = 0 m and the true beach surface may vary, an additional processing step was needed to project the sampling locations onto a topo-bathymetric surface representative of the beach at the time of the image data collection following previously described methods (Palmsten and Brodie, 2023; Holland and others, 1997). The topo-bathymetric surface was developed from GNSS survey data collected within the field-of-view of the camera (Harrison and others, 2024) and lidar (National Geodetic Survey, 2024). The point data was interpolated onto a grid using the method described by Plant and others (2002) with smoothing length scales of 1.5 m in the cross-shore direction and 3 m in the alongshore direction. The local (X,Y) coordinates were rotated and translated into UTM coordinates using information describing the local origin and rotation angle for the site. The (X,Y) coordinates were also translated from UTM to WGS84 latitude and longitude coordinates using the UTM Python library version 0.7.0. One netCDF(.nc) file was created for each timestack image using the netCDF Python library. The data included in each netCDF file includes the timestack image; the UV image coordinates, the XY coordinates in UTM; the XY local coordinates; the latitude and longitude coordinates; the Z-elevation coordinates projected onto the beach surface; and an array of the epoch times as previously described. Additional metadata was included in the netCDF files as global and variable attributes using the Climate and Forecast (CF)-compliant metadata convention (version CF-1.6). These attributes describe the data collection, as well as how the different coordinate systems are used within the data.
Process_Date: 2024
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Mark L. Buckley
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Position: Research Oceanographer
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8024
Contact_Electronic_Mail_Address: mbuckley@usgs.gov
Process_Step:
Process_Description:
A total of 15 netCDF timestack files (*.nc) are included in this release and can be viewed and downloaded on the data release webpage. The netCDF files were renamed using the following convention, with ten period-separated elements: 1) the epoch time--seconds elapsed since 00:00:00 UTC on January 1 1970--the timestack was collected 2) The day of the week the timestack was collected, abbreviated to three letters 3) The month the timestack was collected, abbreviated to three letters 4) The date when the timestack was collected in the format dd_hh_mm_ss where 'dd' is the day of the month, 'hh' is the hour in 24-hour format, 'mm' is the minute, and 'ss' is the second 5) The timezone for date previously described 6) The year the timestack was collected 7) The site nickname where the timestack was collected 8) The camera the timestack was collected from, where 'cx' represents the timestack image 9) the name of the transect sampled to create the timestack 10) the file extension, .nc. An example of a filename formatted in this way would be 1549623660.Fri.Feb.08_11_01_00.GMT.2019.islaverde.cx.runup01.nc.
Source_Used_Citation_Abbreviation: netCDF timestacks
Process_Date: 2024
Source_Produced_Citation_Abbreviation: *.nc
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: USGS SPCMSC Data Management Group
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@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: 20
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -63.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 1
Ordinate_Resolution: 1
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: NAD83 (National Spatial Reference System 2011) (EPSG:6318)
Ellipsoid_Name: GRS 1980 (EPSG:7019)
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: Puerto Rico Vertical Datum of 2002
Altitude_Resolution: 0.001
Altitude_Distance_Units: meters
Altitude_Encoding_Method: Attribute values
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
The Climate and Forecast (CF)-compliant metadata (version CF-1.6) in the header of each of the netCDF files provides spatial information for projecting the data into a Geographic Information System (GIS). It also provides information about the conventions used for attributes in the dataset. The column and row count are variable between the data files.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were 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_Person_Primary:
Contact_Person: USGS SPCMSC Data Management Group
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Resource_Description: *.nc
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, nor shall the act of distribution imply any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: NetCDF
Format_Version_Number: 4.3
Format_Specification:
*.nc is a netCDF file that contains timestack imagery; elevations, in meters; and, coordinate information, in Easting and Northing, longitude and latitude degrees, and local grid coordinates, measured in meters. The netCDF files can be downloaded in the zip files listed in the Network_Resource_Name link below.
Format_Information_Content:
The data download file is compressed and must be unzipped using software such as WinZip, 7zip, Peazip or pkUnzip before use.
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20240510
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: USGS SPCMSC Data Management Group
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

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