Terrestrial-Based Lidar Beach Topography of Fire Island, New York, June 2014

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2016
Title:
Terrestrial-Based Lidar Beach Topography of Fire Island, New York, June 2014
Geospatial_Data_Presentation_Form: Tabular digital data
Series_Information:
Series_Name: U.S. Geological Survey Data Series
Issue_Identification: DS 980
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher: St. Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.3133/ds980
Larger_Work_Citation:
Citation_Information:
Originator: Owen Brenner
Originator: Cheryl J. Hapke
Originator: Kathryn G. Lee
Originator: Dustin R. Kimbrow
Publication_Date: 2016
Title:
Terrestrial-based lidar beach topography of Fire Island, New York, June 2014
Series_Information:
Series_Name: U.S. Geological Survey Data Series
Issue_Identification: DS 980
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher:
U.S. Geological Survey St. Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.3133/ds980
Description:
Abstract:
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) in Florida and the USGS Lower Mississippi-Gulf Water Science Center (LMG WSC) in Montgomery, Alabama, collaborated to gather alongshore terrestrial-based lidar beach elevation data at Fire Island, New York. This high-resolution elevation dataset was collected on June 11, 2014, to characterize beach topography and document ongoing beach evolution and recovery, and is part of the ongoing beach monitoring within the Hurricane Sandy Supplemental Project GS2-2B. This USGS data series includes the resulting processed elevation point data (xyz) and an interpolated digital elevation model (DEM).
Purpose:
To collect, process, and disseminate beach topography data collected along 30 kilometers (km) of Fire Island, New York, from the western boundary of Fire Island National Seashore to the Wilderness Breach.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20130411
Currentness_Reference: ground elevation
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -73.205753312
East_Bounding_Coordinate: -72.831031025
North_Bounding_Coordinate: 40.749777289
South_Bounding_Coordinate: 40.625667641
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:93cafe25-3159-444c-9390-91e9b300338f
Theme:
Theme_Keyword_Thesaurus: General
Theme_Keyword: elevation data
Theme_Keyword: topography
Theme_Keyword: ground-based lidar
Theme_Keyword: terrestrial light detection and ranging system (T-lidar)
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: Hurricane Sandy Supplemental: Fire Island
Theme:
Theme_Keyword_Thesaurus: Global Change Master Science Directory (GCMD)
Theme_Keyword: LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION
Theme_Keyword: OCEAN > COASTAL PROCESSES > BARRIER ISLANDS
Theme_Keyword: OCEAN > COASTAL PROCESSES > BEACHES
Theme_Keyword:
DOI/USGS/CMG > COASTAL AND MARINE GEOLOGY, U.S. GEOLOGICAL SURVEY, U.S. DEPARTMENT OF INTERIOR
Theme:
Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: distributions
Theme_Keyword: bathymetry and elevation
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) Keywords
Theme_Keyword: altimetry
Theme_Keyword: topographic mapping
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: LIDAR
Theme_Keyword: topography
Theme_Keyword: digital elevation models
Place:
Place_Keyword_Thesaurus: General
Place_Keyword: Fire Island
Place_Keyword: Fire Island National Seashore
Place_Keyword: Long Island
Place_Keyword: New York
Place_Keyword: United States
Temporal:
Temporal_Keyword_Thesaurus: General
Temporal_Keyword: 2014
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, St Petersburg Coastal and Marine Science Center, as the originator of these data in future products or derivative research.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Owen Brenner
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: 727-502-8085
Contact_Facsimile_Telephone: 727-502-8001
Contact_Electronic_Mail_Address: obrenner@usgs.gov
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The errors associated with the collection of elevation data can be classified as systematic or random. Systematic errors are those that can be measured or modeled through calibration (Byrnes and others, 2002). Random errors are a result of the limitations of the measuring device and an inability to perfectly model the systematic errors. The POSPac MMS software also creates a positional accuracy file which is compared to 38 control points occupied prior to the T-lidar survey using a real-time kinematic global positioning system (RTK-GPS) unit to evaluate the accuracy of the post-processed SBET solution. The horizontal accuracy of the post-processed file has a minimum and maximum root mean square error (RMSE) of 0.4 and 1.2 centimeters (cm), respectively. The RMSE of the vertical accuracy ranged from 0.7 to 1.8 cm. Stated accuracies are based on peak-to-peak errors.
Logical_Consistency_Report:
Beach morphology data of Fire Island, New York were collected by USGS Lower Mississippi-Gulf Water Science Center (LMG WSC) using a truck-mounted mobile T-lidar. The T-lidar instrument was mounted on top of a truck, and covered 35 km of Fire Island beach at speeds of less than 16 km per hour. Data were collected June 11, 2014. This system is composed of an Optech ILRIS HD-ER-MC high frequency laser scanner in conjunction with an Applanix POSMV inertial measurement unit (IMU). A global positioning system (GPS) base station was set up on a nearby benchmark and logged vertical and horizontal position information during the survey for post-processing. During post-processing, the POSPac MMS software uses differential correction algorithms to compute a smoothed best estimate of trajectory (SBET) file. The SBET file is then applied to the raw T-lidar data along with the boresight parameter file using Optech Parser software to produce a geo-referenced point-cloud dataset. Thirty-eight additional topographic data points were collected for survey control using a real-time kinematic global positioning system (RTK-GPS) unit, which was used to assess system accuracy and variability. Point Cloud data is filtered and edited within Innovmetric Polyworks software to remove vegetation and any problematic or outlier point values.
Completeness_Report:
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.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The horizontal accuracy of the post-processed file has a minimum and maximum root mean square error (RMSE) of 0.4 and 1.2 cm, respectively.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The RMSE of the vertical accuracy ranged from 0.7 to 1.8 cm. Stated accuracies are based on peak-to-peak errors.
Lineage:
Process_Step:
Process_Description:
Pre-Survey Calibration: The mobile T-lidar system requires a rigorous calibration procedure before accurate datasets can be generated. All instrumentation must first be surveyed, and their relative positions (lever arms) must be resolved with respect to the origin point of the IMU. Next, a boresight procedure is performed in order to determine the angular differences (that is, roll, pitch, and heading) between the IMU and the T-lidar instrument.
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: USGS Lower Mississippi-Gulf Water Science Center (LMG WSC)
Contact_Person: Katie G. Lee
Contact_Position: Hydraulic Engineer
Contact_Address:
Address_Type: mailing and physical address
Address: USGS Alabama Water Science Center
Address: 75 TechnaCenter Drive
City: Montgomery
State_or_Province: AL
Postal_Code: 36117
Country: USA
Contact_Voice_Telephone: 334-395-4120
Contact_Facsimile_Telephone: 334-395-4168
Contact_Electronic_Mail_Address: kmlee@usgs.gov
Contact_Instructions: http://al.water.usgs.gov/
Process_Step:
Process_Description:
SBET and Point Cloud Creation: The POSMV system collected attitude and trajectory information during the survey, and these data were later post-processed using Applanix POSPac MMS (2013) software with GPS data, collected at a nearby benchmark. The POSPac MMS software uses differential correction algorithms to compute a smoothed best estimate of trajectory (SBET) file and associated positional accuracy report of the processed SBET. The SBET file is then applied to the raw T-lidar data along with the boresight parameter file using Optech Parser software to produce a geo-referenced point-cloud dataset.
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: USGS Lower Mississippi-Gulf Water Science Center (LMG WSC)
Contact_Person: Katie G. Lee
Contact_Position: Hydraulic Engineer
Contact_Address:
Address_Type: mailing and physical address
Address: USGS Alabama Water Science Center
Address: 75 TechnaCenter Drive
City: Montgomery
State_or_Province: AL
Postal_Code: 36117
Country: USA
Contact_Voice_Telephone: 334-395-4120
Contact_Facsimile_Telephone: 334-395-4168
Contact_Electronic_Mail_Address: kmlee@usgs.gov
Contact_Instructions: http://al.water.usgs.gov/
Process_Step:
Process_Description:
Using Innovmetric Polyworks software, the point clouds were filtered using several methods: (1) intensity, (2) height above a digital elevation model (DEM) surface, and (3) visual inspection. A preliminary DEM surface was created using a 0.25-meter (m) grid, and points that were 0.1 m higher than the generated surface were removed. Vegetation was removed by selecting points above a DEM surface. Each point within the point cloud has an intensity value (ranges from 0 to 255) associated with it that represents the amount of near-infrared reflectance received by the T-lidar instrument. The points with relatively low intensity values were examined and removed, if necessary. Once the data were filtered, an updated DEM surface was generated and manually edited to remove any remaining outliers. Additionally, the data were edited to smooth out any differences caused by temporal data collection. The final xyz point-cloud data are then created at 1-m horizontal resolution (fig. 2).
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: USGS Lower Mississippi-Gulf Water Science Center (LMG WSC)
Contact_Person: Katie G. Lee
Contact_Position: Hydraulic Engineer
Contact_Address:
Address_Type: mailing and physical address
Address: USGS Alabama Water Science Center
Address: 75 TechnaCenter Drive
City: Montgomery
State_or_Province: AL
Postal_Code: 36117
Country: USA
Contact_Voice_Telephone: 334-395-4120
Contact_Facsimile_Telephone: 334-395-4168
Contact_Electronic_Mail_Address: kmlee@usgs.gov
Contact_Instructions: http://al.water.usgs.gov/
Process_Step:
Process_Description:
Within Esri's ArcCatalog, the ASCII xyz point cloud file was converted to an ArcGIS multipoint feature using the ASCII 3D To Feature Class tool. Using the Feature Class Z To ASCII tool the point data was reverted back to ASCII xyz format for publication, in a non-proprietary format and projected in Universal Transverse Mercator (UTM) Zone 18N (meters).
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: Owen Brenner
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
Country: U.S.
Contact_Voice_Telephone: 727-502-8085
Contact_Facsimile_Telephone: 727-502-8001
Contact_Electronic_Mail_Address: obrenner@usgs.gov
Process_Step:
Process_Description:
Keywords section of metadata optimized for discovery in USGS Coastal and Marine Geology Data Catalog.
Process_Date: 20170124
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Alan O. Allwardt
Contact_Position: Contractor -- Information Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-460-7551
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: aallwardt@usgs.gov
Process_Step:
Process_Description:
Added keywords section with USGS persistent identifier as theme keyword.
Process_Date: 20201013
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: point
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 21,492,789
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 18
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -75.000000
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: 1.000000
Ordinate_Resolution: 1.000000
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum 1983
Ellipsoid_Name: Geodectic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222101
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum 1988
Altitude_Resolution: 0.0001 cm
Altitude_Distance_Units: meter
Altitude_Encoding_Method: Attribute values
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: 20140611_FI_USGS_XYZ.txt
Entity_Type_Definition: Comma delimited xyz
Entity_Type_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: POINT_X
Attribute_Definition: UTM x-axis coordinate (Zone 18N)
Attribute_Definition_Source: U.S. Geologocial Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -73.205753312
Range_Domain_Maximum: -72.831031025
Attribute_Units_of_Measure: Meter
Attribute:
Attribute_Label: POINT_Y
Attribute_Definition: UTM y-axis coordinate (Zone 18N)
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 40.749777289
Range_Domain_Maximum: 40.625667641
Attribute_Units_of_Measure: Meter
Attribute:
Attribute_Label: POINT_Z
Attribute_Definition: z- value
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -3.7017
Range_Domain_Maximum: 14.5137
Attribute_Units_of_Measure: meters
Overview_Description:
Entity_and_Attribute_Overview:
Comma delimited xyz file containing FID, UTM X, UTM Y locations and corresponding Z elevation value, all in meters.
Entity_and_Attribute_Detail_Citation:
Beach topography point data for Fire Island, New York, which was created from data collected during a ground-based lidar survey on June 11, 2014.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St Petersburg Coastal and Marine Science Center, St. Petersburg, FL
Contact_Person: Owen Brenner
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8085
Contact_Facsimile_Telephone: 727-502-8001
Resource_Description: U.S. Geological Survey DS 980
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: ASCII
Format_Version_Number: 9.20
Format_Specification: Zip file containing space delimited xyz point elevation file
File_Decompression_Technique: Use WinZip or 7-Zip
Transfer_Size: 86.9
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.3133/ds980
Access_Instructions: https://doi.org/10.3133/ds980
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20210922
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: Owen Brenner
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: 727-502-8085
Contact_Facsimile_Telephone: 727-502-8001
Contact_Electronic_Mail_Address: obrenner@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/DS980_20140611_FI_USGS_XYZ_metadata.html>
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