Jenna A. Brown
Justin J. Birchler
David M. Thompson
Joseph W. Long
20201009
Beach Profile Data Collected from Madeira Beach, Florida (October 15, 2018)
tabular digital data
U.S. Geological Survey Data Release
doi:10.5066/F7T43S94
St. Petersburg, FL
U.S. Geological Survey
https://doi.org/10.5066/F7T43S94
This dataset, prepared by the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC), provides beach profile data collected at Madeira Beach, Florida. Data were collected on foot by a person equipped with a Global Positioning System (GPS) antenna affixed to a backpack outfitted for surveying location and elevation data (XYZ) along pre-determined transects. The horizontal position data are given in the Universal Transverse Mercator (UTM) projected coordinate system, Zone 17 North (17N), referenced to the North American Datum of 1983 (NAD 83); the elevation data are referenced to the North American Vertical Datum of 1988 (NAVD 88), GEOID12B.
The purpose of this dataset is to provide geospatial and topographic profile data, in support of a coastal video monitoring station at Madeira Beach, Florida. Following SPCMSC data management protocols, this survey was assigned a USGS field activity number (FAN), 2018-376-FA. Additional survey and data details are available at https://cmgds.marine.usgs.gov/fan_info.php?fan=2018-376-FA.
20181015
ground condition
As needed
-82.79965228
-82.79498690
27.79868388
27.79487025
USGS Metadata Identifier
USGS:49d8934e-e6f6-4eb9-adc7-5f64309ed79a
ISO 19115 Topic Category
geoscientificInformation
elevation
oceans
Global Change Master Science Directory (GCMD)
LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION
OCEAN > COASTAL PROCESSES > BEACHES
DOI/USGS/CMHRP > COASTAL AND MARINE HAZARDS AND RESOURCES, U.S. GEOLOGICAL SURVEY, U.S. DEPARTMENT OF INTERIOR
Data Categories for Marine Planning
distributions
bathymetry and elevation
Marine Realms Information Bank (MRIB) Keywords
beach
topographic mapping
altimetry
Global Positioning System (GPS) observations
USGS Thesaurus
GPS measurement
topography
geology
geomorphology
marine geology
None
U.S. Geological Survey
USGS
St. Petersburg Coastal and Marine Science Center
Coastal and Marine Hazards and Resources Program
CMHRP
SPCMSC
elevation data
Geographic Names Information System (GNIS)
Gulf of Mexico
Florida
Madeira Beach
None
2018
None
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center as the originator of these data in future products or derivative research.
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Justin J. Birchler
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
United States
727-502-8019
jbirchler@usgs.gov
Cross-shore profiles were quality checked for accuracy by comparing elevations where cross-shore and alongshore transects overlapped.
Cross-shore profiles were quality checked for consistency by comparing elevations to previous or subsequent surveys of the same transects.
A total of 31 transects (26 cross-shore, 5 alongshore) were planned for the survey, and all transects were collected. This dataset is considered complete for the information presented, as described in the abstract section. Users are advised to read the rest of the metadata record carefully for additional details.
The horizontal accuracy of the post-processed kinematic GPS data is +/- 2 centimeters (cm), based on the accuracy of the base station used to post-process the data; see the Data_Quality_Information section and Process_Step for more information.
The vertical accuracy of the post-processed kinematic GPS data is +/- 3 centimeters (cm), based on the accuracy of the base station used to post-process the data; see the Data_Quality_Information section and Process_Step for more information.
PLANNING
Transects were created using the MathWorks MATLAB R2016a computing environment. Cross-shore transects were planned perpendicular to the beach by utilizing a measured 2010 lidar shoreline to find an average shoreline angle, and were generated at locations of groins (cross-shore perpendicular structures that are connected to land and extend into the ocean) and at 3 alongshore locations, equally spaced, between adjacent groins in the area of interest by utilizing Google Earth to determine the location of the groins. This resulted in 25 cross-shore transects (lines 35 to 59) spaced approximately 23 meters (m) apart and spanning approximately 555 m in the alongshore direction. An additional cross-shore transect was planned in the middle of the study area (line 60) in support of the USGS National Assessment of Coastal Change Hazards project. Four alongshore transects (lines 1 to 4), spanning the length of the study area, were cast approximately 10 m apart in the cross-shore, spanning from the dune toe to the shoreline.
20171109
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
David M. Thompson
Physical Scientist
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8079
dthompson@usgs.gov
ACQUISITION
Transect lines were surveyed, on foot, by a person equipped with a GPS receiver and a GPS antenna affixed to a SECO© surveying backpack, which was connected to a Windows laptop PC running HYPACK 2016 survey acquisition software. Kinematic GPS data were recorded at 10 Hertz (Hz) with an Ashtech ProFlexTM 500/800 Global Navigation Satellite System (GNSS) receiver and an Ashtech GNSS geodetic survey antenna. The time associated with the beginning and end of surveying each transect line was recorded on the laptop in HYPACK by the surveyor.
20181015
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
David M. Thompson
Physical Scientist
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8079
dthompson@usgs.gov
GPS POST-PROCESSING
Raw GPS kinematic data recorded on the surveying receiver was post-processed using GNSS post-processing software GrafNav (Waypoint Product Group) version 8.7 in order to achieve more accurate horizontal position and elevation data. The kinematic GPS data recorded by the surveying receiver were processed in NAD 83 geographic coordinates to concurrent static GPS data recorded by a local base station of known position (NAD 83). The base station used was an Spectra Precision ProFlex 500 GNSS receiver and Ashtech GNSS geodetic survey antenna established on the roof of the USGS SPCMSC, also known as ABBY, whose position was determined as the time-weighted average of coordinate values obtained from the National Geodetic Survey's (NGS) On-Line Positioning User Service (OPUS). The final, differentially-corrected, precise GPS positions were exported from GrafNav in American Standard Code for Information Interchange (ASCII) text format, with projected horizontal coordinates in NAD 83, UTM Zone 17N, and vertical coordinates in NAVD 88, GEOID12B.
20181019
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
David M. Thompson
Physical Scientist
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8079
dthompson@usgs.gov
DATA PROCESSING
Beach profile horizontal position and elevation data for each individual transect were extracted from the post-processed GPS data based on the surveying times recorded with HYPACK using the MathWorks MATLAB R2016a computing environment. The data were smoothed in the cross-shore direction to reduce the noisiness of the highly-sampled elevation data, using a moving 1-m wide Hanning filter in MATLAB. The data were quality-controlled in MATLAB to remove invalid data points by: eliminating points with poor GPS data quality, visually inspecting plots of horizontal positions and discarding points not on the cross-shore beach profile lines (e.g., points just prior to and just after a transect), and visually inspecting plots of elevation and discarding points with erroneous GPS data (e.g., spikes in the GPS data). Lastly, the elevation data were adjusted by subtracting the elevation of the GPS antenna above the ground, when attached to the surveying backpack, during the survey (1.8000 m). The final beach profile data were written to individual text files (.xyz) in tabular format, with columns representing: 1) Easting (NAD83, UTM Zone 17N), 2) Northing (NAD83, UTM Zone 17N), and 3) Orthometric Elevation (NAVD 88, GEOID12B).
20181019
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
David M. Thompson
Physical Scientist
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8079
dthompson@usgs.gov
Added keywords section with USGS persistent identifier as theme keyword.
20201013
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
Point
Point
36796
Universal Transverse Mercator
17
0.9996
-81.0
0.0
500000.0
0.0
coordinate pair
0.018
0.203
meters
North American Datum 1983
Geodetic Reference System 80
6378137.000000
298.257222101
North American Vertical Datum 1988
0.0001
meters
Attribute values
20181015_MadeiraBeachFL_XYZ.zip
Processed beach profile data collected October 15, 2018 from Madeira Beach, Florida. The location and elevation data are provided in tabular format (.xyz).
U.S. Geological Survey
Easting
UTM x-axis coordinate (NAD 83, UTM Zone 17N)
U.S. Geological Survey
322709.203
323162.912
Meter
Northing
UTM y-axis coordinate (NAD 83, UTM Zone 17N)
U.S. Geological Survey
3075778.026
3076194.039
Meter
Elevation
Orthometric elevation z-coordinate (NAVD 88)
U.S. Geological Survey
-0.718
2.565
meters
U.S. Geological Survey, St Petersburg Coastal and Marine Science Center, St. Petersburg, Florida
Justin J. Birchler
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8019
jbirchler@usgs.gov
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.
ASCII
ZIP
https://coastal.er.usgs.gov/data-release/doi-F7T43S94/data/20181015_MadeiraBeachFL_XYZ.zip
None
20201013
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Justin J. Birchler
mailing and physical
600 4th Street South
Saint Petersburg
FL
33701
727-502-8019
jbirchler@usgs.gov
Content Standard for Digital Geospatial Metadata
FGDC-STD-001-1998