Nearshore Single-Beam Bathymetry Data: Madeira Beach, Florida, February 2017

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Nancy T. DeWitt
Publication_Date: 20240307
Title:
Nearshore Single-Beam Bathymetry Data: Madeira Beach, Florida, February 2017
Geospatial_Data_Presentation_Form: tabular and vector digital data
Larger_Work_Citation:
Citation_Information:
Originator: Nancy T. DeWitt
Originator: Joseph J. Fredericks
Originator: Chelsea A. Stalk
Originator: Billy J. Reynolds
Originator: Kyle W. Kelso
Originator: Dave M. Thompson
Originator: Andy Farmer
Originator: Jenna A. Brown
Publication_Date: 20240307
Title:
Nearshore Multibeam and Single-Beam Bathymetry Data: Madeira Beach, Florida, February 2017
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P9Y7R8NS
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/P9Y7R8NS
Description:
Abstract:
In February 2017, the United States Geological Survey Saint Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted multibeam and single-beam bathymetric surveys of the nearshore waters off Madeira Beach, Florida. These data were collected as part of a regional study designed to better understand coastal processes on barrier islands and sandy beaches. Results from this study will be incorporated with observations from other regional studies in order to validate operational water level and coastal change hazards models being expanded nationwide (National Assessment of Storm-Induced Coastal Change Hazards). The regional study area is Madeira Beach located on one of eleven barrier islands in Pinellas County in west-central Florida along the Gulf of Mexico. These barrier islands support highly developed and densely populated coastal communities, comprised of local residents, year-round tourist population, and undeveloped natural habitats within local and state parks. A measure of the nearshore bathymetry is useful for better understanding the interaction of the hydrodynamics and morphodynamics offshore and in the surf zone that ultimately control the beach response. This USGS data release provides processed multibeam bathymetry (MBES) and processed single-beam bathymetry (SBES) data collected under the USGS field activity number (FAN) 2017-305-FA. This FAN has four subfans each representing one research vessel (R/V): 17TST01 (R/V Sallenger), 17TST02 (R/V Jabba Jaw, a 22-foot shallow draft Twin Vee [TVEE]), 17TST03 (R/V Shark, a 12-foot Yamaha personal watercraft [SHRK]) and 17TST04 (R/V Chum, a 12-foot Yamaha personal watercraft [CHUM]). The point data (x,y,z) are provided in two datums: 1) the International Reference Frame of 2008 (ITRF08) and ellipsoid height; and 2) the North American Datum 1983 in the CORS96 realization (NAD83 (CORS96)) for the horizontal and the North American Vertical Datum 1988 (NAVD88) with respect to GEOID12B for the vertical. Additional files include a single-beam trackline shapefile (.shp) and a 20-meter (m) cell size single-beam digital elevation model (DEM, .tif). For further information regarding data collection and/or processing please see the metadata associated with this data release.
Purpose:
The purpose of this data release is to archive the bathymetric data and associated files collected off Madeira Beach, FL from February 14-17, 2017, during FAN 2017-305-FA. Additional survey and data details are available in the Coastal and Marine Geoscience Data System (CMGDS) at, https://cmgds.marine.usgs.gov/fan_info.php?fan=2017-305-FA. The dataset Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt provides single-beam bathymetry data points (x,y,z) referenced to World Geodetic System 1984 (WGS84) Universal Transverse Mercator (UTM) Zone 17 North (N) for the horizontal (x,y) and WGS84 ellipsoid height for the vertical (z). The dataset Madeira_Beach_2017_SBES_NAD83_NAVD88_UTM17N_GEOID12B_xyz.txt provides single-beam bathymetry data points (x,y,z) referenced to North American Datum of 1983 (NAD83) UTM Zone 17N for the horizontal (x,y,z) and North American Vertical Datum of 1988 (NAVD88) orthometric height using GEOID12B model for the vertical (z).
Supplemental_Information:
For the single-beam bathymetry data, the differential positioning was obtained through post-processing the base station data to the rovers. The dataset was transformed from the initial WGS84 (G1762) UTM 17N datum to NAD83 UTM 17N NAVD88, using the GEOID12B model (National Oceanic Atmospheric Administration [NOAA] and the National Geodetic Survey [NGS] VDatum software version 3.6 - http://vdatum.noaa.gov/).
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20170214
Ending_Date: 20170217
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -82.827188
East_Bounding_Coordinate: -82.776611
North_Bounding_Coordinate: 27.808530
South_Bounding_Coordinate: 27.761500
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:36aba276-4814-4318-baf5-263255695912
Theme:
Theme_Keyword_Thesaurus: Global Change Master Directory
Theme_Keyword:
EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > BATHYMETRY > COASTAL BATHYMETRY
Theme_Keyword:
GOVERNMENT AGENCIES-U.S. FEDERAL AGENCIES > DOI > USGS DOI/USGS/CMG/SP
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: marine geology
Theme_Keyword: bathymetry
Theme_Keyword: single-beam echosounder
Theme_Keyword: ocean characteristics
Theme_Keyword: ocean processes
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: hydrography
Theme_Keyword: bathymetry
Theme_Keyword: trackline
Theme_Keyword: single-beam bathymetry
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificinformation
Theme_Keyword: elevation
Theme_Keyword: oceans
Theme_Keyword: location
Theme_Keyword: imageryBaseMapsEarthCover
Place:
Place_Keyword_Thesaurus: Common Geographic Areas
Place_Keyword: Florida
Place_Keyword: United States
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Madeira Beach, Florida
Place_Keyword: Gulf Coast
Temporal:
Temporal_Keyword_Thesaurus: None
Temporal_Keyword: 2017
Access_Constraints: None. These data are held in the public domain.
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originator of these data in future products or derivative research. These data should not be used for navigational purposes.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Data_Set_Credit:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Native_Data_Set_Environment:
Environment as of Metadata Creation: Microsoft Windows 10 Enterprise Version 21H2 (Build 19044.2604) Service Pack 1; Environmental Systems Research Institute (Esri) ArcMap 10.4.1; NOAA NGS VDatum software version 3.6; NGS Online Positioning User Service; NovAtel's GrafNav, version 8.60.5025; Horizontal Time-Dependent Positioning (HTDP) online transformation utility version 3.2.5; HYPACK A Xylem Brand (version 16.1.9.0); CARIS HIPS and SIPS (Hydrographic Information Processing System and Sonar Information Processing System) version 10.2; XTools Pro (version 22.0.4481).
Cross_Reference:
Citation_Information:
Originator: Mark E. Hansen
Originator: Nancy T. Dewitt
Originator: Billy J. Reynolds
Publication_Date: 20170810
Title:
Archive of bathymetry data collected in South Florida from 1995 to 2015
Series_Information:
Series_Name: U.S. Geological Survey Data Series
Issue_Identification: 1031
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.3133/ds1031
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The accuracy of the data was determined during data collection. This dataset is derived from a single field survey using identical equipment set-ups, and staff; therefore, the dataset is internally consistent. Methods were employed to maintain data collection consistency aboard the platforms. During mobilization, each piece of equipment was isolated to obtain internal- and external-offset measurements with respect to the survey platform. All the critical measurements were recorded manually, and then digitally entered into their respective programs. Offsets between the single-beam transducers, motion reference units, and the antenna reference point (ARP) were measured using a geodimeter and accounted for during acquisition and (or) in post-processing. Differential Global Positioning System (DGPS) coordinates were obtained using the following post-processing software packages: NovAtel's Waypoint Product Group GrafNav, version 8.60.5025).
Logical_Consistency_Report:
These data were collected during a single field activity with consistent instrument calibrations.
Completeness_Report:
This data release contains single-beam bathymetry data points in the horizontal position and vertical elevation (x,y,z) from February 2017 collected off Madeira Beach, Florida. Users are advised to read the complete metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The Florida Department of Transportation's (FDOT) Florida Permanent Reference Network (FPRN) datasheet for the FPRN location named FLIS was retrieved from their database. FLIS was the location name at the time of the single-beam survey in 2017. But at the time of this publication, the location has been renamed FLIB in the FDOT system. The base station coordinates were converted from NAD83 (2011) EPOCH 2010.0 into WGS84 (G1762) equivalent to ITRF2008 using the HTDP online transformation utility version 3.2.5 (https://www.ngs.noaa.gov/TOOLS/Htdp/Htdp.shtml). The WGS84 (G1762) epoch realization was introduced in 2013. The survey acquisition dates succeed this date; therefore, it was the appropriate datum realization for post-processing the navigation data which was acquired in the WGS84 (G1762) datum. The resultant base position used for post-processing was 27°5247.88931 North, 82°5033.69685 West (WGS84-G1762), and -17.543 m ellipsoid height (WGS84-G1762). The kinematic trajectories (rover to base) were processed using NovAtel's Waypoint GrafNav software version 8.60.5025.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The ellipsoid height value -17.543 m (WGS84-G1762) was used in NovAtel's Waypoint GrafNav software. Please refer to the Horizontal_Positional_Accuracy_Report segment for vertical position transformation into ellipsoid height.
Lineage:
Process_Step:
Process_Description:
Global Navigation Satellite System (GNSS) Acquisition: GNSS data was recorded at a primary base station and aboard each roving vessel. The primary base station was FDOT FPRN base station FLIS located approximately 15 kilometers (km) north of the survey area. The base station was operational for the entire survey and the Receiver Independent Exchange Format (RINEX) datafiles (FLIS045M00.17O, FLIS045M00.17N, and FLIS045M00.17G) were downloaded from the FPRN website post survey. FLIS was the name at the time of the single-beam survey in 2017. But at the time of this publication, the location has been renamed FLIB in the FDOT system. The roving vessels were each outfitted with a Spectra Geospatial SP90M GNSS receivers and GNSS antennae recording data at 10 hertz (10 epochs/second). The GNSS files were converted from proprietary G-file format into the non-proprietary RINEX raw data file format using RINEX Converter version 3.00. The base and rover RINEX files were post processed together in a subsequent step to obtain differentially corrected navigation data, which is described later in the metadata. Example RINEX filename TVEE0450.17O where the convention TVEE is the four-letter rover name, 045 is the day of year, 0 is the session number, 17 is the year and O is the observation file (or N for navigation file, M for meteorlogical file, G for Global Navigation Satellite Navigation System (GLONASS) navigation message file.
Process_Date: 2017
Source_Produced_Citation_Abbreviation: *.17O, *.17N, *.17M
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
Single-Beam Bathymetry Acquisition: TVEE collected 87.12 line-km (62 lines), SHRK collected 145.46 line-km (60 lines) and the CHUM collected 61.83 line-km (80 lines). Boat motion was recorded at 50-millisecond (ms) using a SBG Ellipse A motion sensor. HYPACK A Xylem Brand (version 16.1.9.0), a marine surveying, positioning, and navigation software package, managed the planned-transect information and provided real-time navigation, steering, correction, data quality, and instrumentation status to the boat operator. Depth soundings were recorded at 50-ms intervals using an Odom echotrac CV100 echosounder with a 4-degree, 200-kilohertz (kHz) transducer. Data from the GNSS receiver, motion sensor, and echosounder were recorded in real-time aboard all vessels independently and merged into a single raw data file (.RAW) in HYPACK, with each device string referenced by a device identification code and time stamped to Coordinated Universal Time (UTC). Sound velocity profile (SVP) measurements were collected using SonTek Castaway Conductivity, Temperature, and Depth (CTD) instruments. The instruments were periodically cast overboard to record changes in water column speed of sound (SOS). A total of 17 successful sound velocity casts were collected and ranged in depth from 0.15 to 6.48 m (average 2.14 m), and in sound velocity from 1518.18 to 1525.69 meters per second (m/s) (average 1520.94 m/s).
Process_Date: 2017
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
Differentially Corrected Navigation Processing: The FDOT FPRN datasheet for FLIS were retrieved from the database and the base station coordinates were converted from NAD83 (2011) EPOCH 2010.0 into WGS84 (G1762) equivalent to ITRF2008 using the HTDP online transformation utility version 3.2.5 (https://www.ngs.noaa.gov/TOOLS/Htdp/Htdp.shtml). The WGS84 (G1762) epoch realization was introduced in 2013. The survey acquisition dates succeed this date; therefore, it was the appropriate datum realization for post-processing the navigation data which was acquired in the WGS84 (G1762) datum. The resultant base position used for post-processing was 27°5247.88931 North (WGS84-G1762), 82°5033.69685 West (WGS84-G1762), and -17.543 m ellipsoid height (WGS84-G1762). The kinematic trajectories (rover to base) were processed using NovAtel's Waypoint GrafNav software version 8.60.5025. The rover RINEX files and the base RINEX files were imported into Grafnav, converted into proprietary files, and the kinematic (rover) GNSS data session from the survey vessel was post-processed to the concurrent base GNSS data session. Analyzing the data plots, trajectory maps, processing logs, satellite health plots, and other viewing utilities that GrafNav produces, provided measures to attain trajectory solutions (between the rover and the base) free of erroneous data that resulted in fixed positions. Some analytic examples include 1) excluding satellites flagged by the program as having bad/poor health or cycle slips, 2) Excluding poor satellite time segments that have a negative influence toward a fixed solution, and 3) adjusting the satellite elevation mask angle to improve the position solutions. This process was repeated for every GNSS data session(Hansen and others, 2017). The final differentially corrected, precise DGPS positions were computed at and exported in American Standard Code for Information Interchange (ASCII) text format in WGS84 (G1762) UTM 17N geodetic datum. Filename example 17TST02_045_2017_FLIS_TVEE_A.txt where the convention 17TST02 is the subFAN, 045 is day of year, 2017 is the year, FLIS is the base station used, TVEE is the rover, and A is the GPS session from A to Z.
Source_Used_Citation_Abbreviation: *.17O, *.17N, *.17G, *.17M
Process_Date: 2017
Source_Produced_Citation_Abbreviation: 17TST02_045_2017_FLIS_TVEE_A.txt
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
Bathymetry Processing: All data were processed using CARIS HIPS and SIPS (Hydrographic Information Processing System and Sonar Information Processing System) version 10.2. First, a vessel file *.vhf, unique to the platform, was created that contains the surveyed offsets measurements between the sensors. A CARIS project was created using the *.vhf file, and then the HYPACK *.RAW and the SVP profiles *.SVP were loaded. Next, the differentially corrected navigation files were imported using the generic data parser tool. Then, the differently corrected navigation files overwrote every non-differential position in the HYPACK *.RAW file based upon time. The bathymetric data components (position, motion, depth, and SOS) were then georeferenced and geometrically corrected in CARIS to produce processed x,y,z positional data. Once georeferenced, the data were reviewed and edited for outliers, including further review in the Subset Editor utility for crossing status, and questionable areas or data points were removed. The geometrically corrected point data were then exported as an x,y,z ASCII text file referenced to WGS84 (G1762) UTM 17N (Hansen and others, 2017).
Source_Used_Citation_Abbreviation: *.VHF
Source_Used_Citation_Abbreviation: *.RAW
Source_Used_Citation_Abbreviation: *.SVP
Source_Used_Citation_Abbreviation: 17TST02_045_2017_FLIS_TVEE_A.txt
Process_Date: 2017
Source_Produced_Citation_Abbreviation: 17TST02_SBB_ITRF08_Level_003_xxx.txt
Source_Produced_Citation_Abbreviation: 17TST03_SBB_ITRF08_Level_003_xxx.txt
Source_Produced_Citation_Abbreviation: 17TST04_SBB_ITRF08_Level_003_xxx.txt
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
Quality Control, Quality Assurance (QA/QC) and Uncertainty Analysis: The single-beam data exported from CARIS HIPS and SIPS (x,y,z ASCII text files) were transformed in Esri ArcMap version 10.4.1 to a point shapefile (.shp) utilizing the "Create Feature Class From XY Table" geoprocessing tool. The projection was set to WGS84 UTM 17N. The generated shapefile was visually scanned for any obvious outliers or problems. Next, a polyline shapefile (representing tracklines) was produced from the point shapefile using XTools Pro (version 16.1) "Make Polylines from Points" geoprocessing tool for each survey platform (subFANs 17TST02, 17TST03 and 17TST04). Utilizing both the x,y,z (point) and trackline (polyline) shapefiles, a Python script was used to evaluate elevation differences at the intersection of crossing tracklines by calculating the elevation difference between points at each intersection using an inverse distance weighting equation with a search radius of 5 m (Hansen and others, 2017). The maximum crossing error for TVEE (17TST02), when crossing a trackline it previously surveyed, was 18 cm. The maximum crossing error for SHRK (17TST03), when crossing a trackline it previously surveyed, was 22 cm. The maximum crossing error for CHUM (17TST04), when crossing a trackline it previously surveyed, was 43 cm. Any crossings greater than 30 cm were reviewed a final time for errors and either removed or adjusted, based on the situation when compared with the other vessels. The shapefiles were merged into one large file and sent through the python crossing program a last time. The final crossing file had 1847 crossings ranging from 0.00 to 34 cm in which 80.7% were 10 cm or less; 13.5% were between 10-15 cm; 6.1% were between 15-30 cm, and 0.22% were greater than 30cm. These files were then exported from Esri ArcMap as x,y,z ASCII text (.txt) files using the XTools Pro "Table to Text" function. The resultant ASCII text file can be downloaded from this data release in Madeira_Beach_2017_SBES_xyz.zip, and the trackline shapefile Madeira_Beach_2017_SBES_tracklines.zip.
Source_Used_Citation_Abbreviation: 17TST02_SBB_ITRF08_Level_003_xxx.txt
Source_Used_Citation_Abbreviation: 17TST03_SBB_ITRF08_Level_003_xxx.txt
Source_Used_Citation_Abbreviation: 17TST04_SBB_ITRF08_Level_003_xxx.txt
Process_Date: 2017
Source_Produced_Citation_Abbreviation: Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt
Source_Produced_Citation_Abbreviation: Madeira_Beach_2017_SBES_tracklines.shp
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
Datum Transformation: NOAA/NGS's VDatum v.3.6 was used to transform the single-beam data points' horizontal and vertical datums (x,y,z). The transformation was from WGS84 (G1762) into NAD83 (horizontal) UTM 17N and NAVD88 (vertical) using GEOID12B. VDatum reports a nationwide standard deviation of 2.0 centimeters (cm) for ellipsoid - NAD83 transformations, and a nationwide standard deviation of 5.0 cm for NAD83 to NAVD88 transformations in the coastal regions of the continental U.S. For more information about the positional accuracy for these datum transformations, visit the Estimation of Vertical Uncertainties VDatum webpage, https://vdatum.noaa.gov/docs/est_uncertainties.html. The resultant data points ASCII data file can be downloaded from this data release in Madeira_Beach_2017_SBES_xyz.zip.
Source_Used_Citation_Abbreviation: Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt
Process_Date: 2023
Source_Produced_Citation_Abbreviation: Madeira_Beach_2017_SBES_NAD83_NAVD88_UTM17N_GEOID12B_xyz.txt
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@usgs.gov
Process_Step:
Process_Description:
DEM Creation: Using Esri ArcGIS version 10.4.1, a polygon shapefile of the single-beam data extent was created (MadeiraBeach_2017_SBB_polygon.shp). Next using ArcGIS "polygon to raster" conversion tool a raster mask of the shapefile was created (mb2017ply20m). Next using the single-beam x,y,z data a 20 x 20-m cell resolution DEM was generated using the natural neighbor algorithm. The algorithm computation results produce minimum and maximum values (-26.469 to -37.569) different then the ascii text xyz values (-23.133 to -38.648) from which it was created. The DEM was then clipped to the raster mask using ArcGIS Spatial Analyst "extract by raster mask" tool and then exported as a GeoTIFF file for this data release.
Source_Used_Citation_Abbreviation: Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt
Process_Date: 2023
Source_Produced_Citation_Abbreviation: MadeiraBeach_2017_SBES_20m_DEM.tif
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nancy T. DeWitt
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701-4846
Country: USA
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: ndewitt@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: 1,166,747
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 17N
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: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.6096
Ordinate_Resolution: 0.6096
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: World Geodetic System of 1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257223563
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum 1988
Altitude_Resolution: 0.01
Altitude_Distance_Units: meters
Altitude_Encoding_Method: Attribute values
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt
Entity_Type_Definition:
Comma-delimited ASCII text file (.txt) containing the processed single-beam bathymetry data points from USGS FAN 2017-305-FA (subFANs 17TST02, 17TST03, and 17TST04). Data are in the native acquisition and processing datum WGS84 (G1762) equivalent to ITRF08. Text file attributes include easting and northing (WGS84 G1762 UTM 17N), ellipsoid height (WGS84 G1762 UTM 17N), latitude (WGS84 G1762), longitude (WGS84 G1762), year, day of year (DOY), UTC time, GPS week, GPS second of the week, and trackline name.
Entity_Type_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: WGS84_UTM17N_X
Attribute_Definition: x-axis coordinate, easting, WGS84 (G1762) UTM 17N
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 320011.275
Range_Domain_Maximum: 324921.079
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: WGS84_UTM17N_Y
Attribute_Definition: y-axis coordinate, northing, WGS84 (G1762) UTM 17N
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3072119.463
Range_Domain_Maximum: 3077259.719
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: WGS84_ELLIPSOID_Z
Attribute_Definition: z-value, ellipsoid height (elevation)
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -38.648
Range_Domain_Maximum: -26.133
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: WGS84_UTM17N_LAT
Attribute_Definition: x-axis coordinate, latitude, WGS84 (G1762) UTM 17N
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 27.761902
Range_Domain_Maximum: 27.808064
Attribute_Units_of_Measure: Decimal Degrees
Attribute:
Attribute_Label: WGS84_UTM17N_LONG
Attribute_Definition: y-axis coordinate, longitude, WGS84 (G1762) UTM 17N
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -82.827003
Range_Domain_Maximum: -82.777056
Attribute_Units_of_Measure: Decimal Degrees
Attribute:
Attribute_Label: YEAR
Attribute_Definition: Calendar year of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2017
Range_Domain_Maximum: 2017
Attribute:
Attribute_Label: DOY
Attribute_Definition: Day of year of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 45
Range_Domain_Maximum: 48
Attribute:
Attribute_Label: UTC_TIME
Attribute_Definition: GPS second of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 14:35:45.806
Range_Domain_Maximum: 21:23:34.630
Attribute_Units_of_Measure: HH:MM:SS.sss
Attribute:
Attribute_Label: HYPACK_LINE
Attribute_Definition: Identifier assigned to each HYPACK line during acquisition
Attribute_Definition_Source: HYPACK/U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain:
Example: TVEE_002_1741_1000, where the first 5 characters are the platform/vessel followed by an underscore (TVEE_, SHRK_ or CHUM_) and the next 8 characters are the start time in UTC (002_1741). If the line has segments, there will be 5 more characters corresponding to the segment number (_0001, _0002, et cetera).
Attribute:
Attribute_Label: GPS_SECOND
Attribute_Definition: The GPS second of the GPS week that the data was collected
Attribute_Definition_Source: GrafNav
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 229022
Range_Domain_Maximum: 498339
Attribute_Units_of_Measure: seconds
Attribute:
Attribute_Label: GPS_WEEK
Attribute_Definition: The GPS week that the data was collected
Attribute_Definition_Source: GrafNav
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1936
Range_Domain_Maximum: 1936
Detailed_Description:
Entity_Type:
Entity_Type_Label: Madeira_Beach_2017_SBES_NAD83_NAVD88_UTM17N_GEOID12B_xyz.txt
Entity_Type_Definition:
Comma-delimited ASCII text file (.txt) containing of the processed single-beam bathymetry data points from FAN 2017-305-FA (subFANs 17TST02, 17TST03, and 17TST04). Data were re-projected from its native datum to NAD83 NAVD88 UTM Zone 17 North coordinate system with respect to the GEOID 12B datum. Text file attributes include easting (NAD83 UTM 17N), northing (NAD83 UTM 17N), orthometric height (NAVD88 GEOID 12B), latitude (NAD83 UTM 17N), longitude (NAD83 UTM 17N), year, day of year (DOY), UTC time, GPS week, GPS second of the week, and trackline name.
Entity_Type_Definition_Source: VDatum
Attribute:
Attribute_Label: NAD83_UTM17N_X
Attribute_Definition: x-axis coordinate, easting, NAD83 UTM 17N
Attribute_Definition_Source: VDatum
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 320011.869
Range_Domain_Maximum: 324921.671
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: NAD83_UTM17N_Y
Attribute_Definition: y-axis coordinate, northing, NAD83 UTM 17N
Attribute_Definition_Source: VDatum
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3072118.834
Range_Domain_Maximum: 3077259.089
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: NAVD88_G12B
Attribute_Definition: z-value, orthometric height (elevation) in NAVD88 GEOID 12B
Attribute_Definition_Source: VDatum
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -12.771
Range_Domain_Maximum: -0.26
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: NAD83_UTM17N_LAT
Attribute_Definition: x-axis coordinate, latitude, NAD83 UTM 17N
Attribute_Definition_Source: VDatum
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 27.761896
Range_Domain_Maximum: 27.808059
Attribute_Units_of_Measure: Decimal Degrees
Attribute:
Attribute_Label: NAD83_UTM17N_LONG
Attribute_Definition: y-axis coordinate, longitude, NAD83 UTM 17N
Attribute_Definition_Source: VDatum
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -82.826997
Range_Domain_Maximum: -82.77705
Attribute_Units_of_Measure: Decimal Degrees
Attribute:
Attribute_Label: YEAR
Attribute_Definition: Calendar year of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2017
Range_Domain_Maximum: 2017
Attribute:
Attribute_Label: DOY
Attribute_Definition: Day of year of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 45
Range_Domain_Maximum: 48
Attribute:
Attribute_Label: UTC_TIME
Attribute_Definition: UTC time of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 14:35:45.806
Range_Domain_Maximum: 21:23:34.630
Attribute_Units_of_Measure: HH:MM:SS.sss
Attribute:
Attribute_Label: HYPACK_LINE
Attribute_Definition: Identifier assigned to each HYPACK line during acquisition
Attribute_Definition_Source: HYPACK/U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain:
Example: TVEE_002_1741_1000, where the first 5 characters are the platform/vessel followed by an underscore (TVEE_, SHRK_ or CHUM_) and the next 8 characters are the start time in UTC (002_1741). If the line has segments, there will be 5 more characters corresponding to the segment number (_0001, _0002, et cetera).
Attribute:
Attribute_Label: GPS_SECOND
Attribute_Definition: The GPS second of the GPS week that the data was collected
Attribute_Definition_Source: GrafNav
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 229022
Range_Domain_Maximum: 498339
Attribute_Units_of_Measure: seconds
Attribute:
Attribute_Label: GPS_WEEK
Attribute_Definition: The GPS week that the data was collected
Attribute_Definition_Source: GrafNav
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1936
Range_Domain_Maximum: 1936
Detailed_Description:
Entity_Type:
Entity_Type_Label: Madeira_Beach_2017_SBES_tracklines.shp
Entity_Type_Definition:
Polyline shapefile of the single-beam bathymetry tracklines containing FID, Shape, HYPACKLine name, and line length (in meters).
Entity_Type_Definition_Source: Esri
Attribute:
Attribute_Label: FID
Attribute_Definition: Automatically generated feature attribute by Esri.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 195
Attribute:
Attribute_Label: Shape
Attribute_Definition: Automatically generated feature attribute by Esri.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain: Polyline ZM
Attribute:
Attribute_Label: HYPACKLine
Attribute_Definition: Identifier assigned to each HYPACK line during acquisition.
Attribute_Definition_Source: HYPACK/U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain:
Example: TVEE_002_1741_1000, where the first 5 characters are the platform/vessel followed by an underscore (TVEE_, SHRK_ or CHUM_) and the next 8 characters are the start time in UTC (002_1741). If the line has segments, there will be 5 more characters corresponding to the segment number (_0001, _0002, et cetera).
Attribute:
Attribute_Label: Length_M
Attribute_Definition: Length of the trackline polyline, in meters.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 22.51
Range_Domain_Maximum: 5286.13
Detailed_Description:
Entity_Type:
Entity_Type_Label: MadeiraBeach_2017_SBES_20m_DEM.tif
Entity_Type_Definition:
This is a 20-m cell size gridded DEM GeoTIFF (.tif) created from the x,y,z point dataset in this data release (Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt). The ellipsoid elevation ranges from -26.47 m to -37.57 m and is projected in WGS84 UTM 17N. The file format is 32-bit floating point GeoTIFF with 246 columns, 258 rows.
Entity_Type_Definition_Source: Esri
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: USGS SPCMSC Data Management
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: United States
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Resource_Description:
Madeira_Beach_2017_SBES_WGS84_UTM17N_xyz.txt, Madeira_Beach_2017_SBES_WGS84_tracklines.shp, Madeira_Beach_2017_SBES_NAD83_NAVD88_UTM17N_GEOID12B_xyz.txt, Madeira_Beach_2017_SBES_20m_DEM.tif
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Although these data were 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: comma-delimited text, shapefile
File_Decompression_Technique: ZIP
Transfer_Size: 57.4
Digital_Transfer_Option:
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20240501
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: USGS SPCMSC Data Management
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: United States
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

This page is <https://cmgds.marine.usgs.gov/catalog/spcmsc/Madeira_Beach_2017_SBES_xyz_metadata.html>
Generated by mp version 2.9.51 on Wed May 1 12:26:26 2024