Ground control points Marconi Beach, Wellfleet, MA on March 22, 2023

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Jin-Si R. Over
Originator: Chris Sherwood
Publication_Date: 20230725
Title:
Ground control points Marconi Beach, Wellfleet, MA on March 22, 2023
Edition: 1.0
Geospatial_Data_Presentation_Form: tabular data
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P99ST3LT
Publication_Information:
Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher:
U.S. Geological Survey, Coastal and Marine Hazards and Resources Program
Online_Linkage: https://doi.org/10.5066/P99ST3LT
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Jin-Si R. Over
Originator: Chris R. Sherwood
Originator: Peter A. Traykovski
Publication_Date: 2023
Title:
Topographic and bathymetric data, structure from motion imagery, and ground control data collected at Marconi Beach, Wellfleet, Massachusetts in March 2023, U.S. Geological Survey Field Activity 2023-012-FA.
Edition: 1.0
Geospatial_Data_Presentation_Form: digital files
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P99ST3LT
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details:
Suggested citation: Over, J.R., Sherwood, C.R., and Traykovski, P.A., 2023, Topographic and bathymetric data, structure from motion imagery, and ground control data collected at Marconi Beach, Wellfleet, Massachusetts in March 2023, U.S. Geological Survey Field Activity 2023-012-FA: U.S. Geological Survey data release, https://doi.org/10.5066/P99ST3LT.
Online_Linkage: https://doi.org/10.5066/P99ST3LT
Online_Linkage:
Description:
Abstract:
The data in this release re-map the beach and nearshore environment at Marconi Beach in Wellfleet, MA and provide updated environmental context for the 2021 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-014-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-02, which are two video cameras aimed at the beach. In March 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for use in structure-from-motion were taken with a camera (SONY a6000) and a post-processed kinematic (PPK) system attached to a helium powered balloon-kite (Helikite). High-precision GPS targets (AeroPoints) and numbered black and white tarps were used as ground control points. Bathymetry was collected in the nearshore using a single-beam echosounder mounted on a surf capable self-righting electric autonomous surface vehicle. Agisoft Metashape (v. 1.8.1) was used to create a digital surface model and orthomosaic with the collected imagery.
Purpose: Ground control points for georeferencing the aerial imagery.
Supplemental_Information:
For more information about the WHCMSC Field Activity, see https://cmgds.marine.usgs.gov/fan_info.php?fan=2023-012-FA.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20230322
Currentness_Reference: ground condition; one day of data collection on March 22, 2023
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Not planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -69.96353536
East_Bounding_Coordinate: -69.95127286
North_Bounding_Coordinate: 41.89903992
South_Bounding_Coordinate: 41.89903992
Keywords:
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: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: Ground control point
Theme_Keyword: AeroPoint
Theme_Keyword: Helikite
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: Global Positioning System (GPS) observations
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: GPS measurement
Theme_Keyword: geolocation measurement
Theme_Keyword: geospatial datasets
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme_Keyword: location
Theme_Keyword: elevation
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme_Keyword: location
Theme_Keyword: elevation
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:648b767cd34ef77fcafe6957
Place:
Place_Keyword_Thesaurus: Common geographic areas
Place_Keyword: United States
Place_Keyword: Massachusetts
Place_Keyword: Wellfleet
Place_Keyword: Cape Cod
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Marconi 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: Jin-Si R. Over
Contact_Organization:
U.S. Geological Survey, Woods Hole Coastal and Marine Science Center
Contact_Position: Geographer
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2297
Contact_Electronic_Mail_Address: jover@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description:
Browse graphic of the spatial distribution of the ground control points.
Browse_Graphic_File_Type: JPEG
Native_Data_Set_Environment: Propeller
Cross_Reference:
Citation_Information:
Originator: Jin-Si R. Over
Originator: Chris R. Sherwood
Originator: Peter A. Traykovski
Originator: Marie K. Bartlett
Publication_Date: 2022
Title:
Topographic and bathymetric data, structure from motion imagery, and ground control data collected at Marconi Beach, Wellfleet, MA in March 2022, U.S. Geological Survey Field Activity 2022-014-FA
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9L1KCQB
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details:
This publication is the latest survey data of Marconi Beach from 2022.
Online_Linkage: https://doi.org/10.5066/P9L1KCQB
Cross_Reference:
Citation_Information:
Originator: Jin-Si R. Over
Originator: Chris R. Sherwood
Originator: Peter A. Traykovski
Originator: Eric E. Marsjanik
Publication_Date: 2021
Title:
Topographic and bathymetric data, sediment samples, structure from motion imagery, and reference mark data collected at Marconi Beach, Wellfleet in winter 2021, U.S Geological Survey Field Activity 2021-022-FA
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9POZ9VH
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details: This publication is the survey data of Marconi Beach from 2021.
Online_Linkage: https://doi.org/10.5066/P9POZ9VH
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
AeroPoints have an internal accuracy (positions relative to other AeroPoints in the same dataset) down to 1 mm, but the general internal horizontal accuracy is 10 mm or better and the vertical accuracy is 20 mm or better. Local accuracy is assessed by taking GPS shots on top of AeroPoints and the GPS is referencing local reference mark HOM RM1. Global accuracy (AeroPoints relative to NAD83[2011] datum) is assessed by using the Continuously Operating Reference Stations (CORS) network corrections, the positions and elevations are produced with variance data and the minimum global accuracy of the AeroPoints can be calculated using the distance from the base station: Global Accuracy = Internal Accuracy in mm + (Baseline Distance *2).
Logical_Consistency_Report:
The file contains USGS field activity 2023-012-FA navigation data: ground control points (AeroPoints) for use in tandem with the aerial imagery.
Completeness_Report:
There are a total of 10 usable ground control points. AeroPoints were surveyed with the RTK equipment for QC and results were compared to the Propeller Network values; all values were within 2 cm, but as the RTK values are less accurate only the Propeller values are provided for the AeroPoints. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
See attributes for internal xy variance in millimeters. Local accuracy is 2 cm based on RTK positions in relation to the known reference mark. Minimum global horizontal accuracy is 3.3 cm, average is 1.2 cm.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
See attributes for internal z variance in millimeters. Local accuracy is 2 cm based on RTK positions in relation to the known reference mark. Minimum global vertical accuracy is 4.3 cm, average is 2.2 cm.
Lineage:
Process_Step:
Process_Description:
The ground control points were processed with the following steps:
1. Ten AeroPoints were deployed evenly spaced across the survey area. AeroPoints were left on for ~2 hours to collect GNSS data.
2. Once connected to Wifi, the AeroPoint data were uploaded and run through a post-processing kinematic algorithm of the CORS network to get a global accuracy. The data were exported with xyz variances in the horizontal datum NAD83(2011) to produce latitude, longitude, and ellipsoid heights, and then UTM19N and NAVD88 using Geoid 18 was used to produce orthometric heights. These are exported to a CSV file and named 2023012FA_Marconi_nav_GCPs.csv.
Process_Date: 202304
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jin-Si R. Over
Contact_Organization:
U.S. Geological Survey, Woods Hole Coastal and Marine Science Center
Contact_Position: Geographer
Contact_Address:
Address_Type: mailing and physical address
Address: U.S. Geological Survey
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2297
Contact_Electronic_Mail_Address: jover@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: 10
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.00000001
Longitude_Resolution: 0.00000001
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name:
North American Datum of 1983 (National Spatial Reference System 2011)
Ellipsoid_Name: GRS_1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum of 1988
Altitude_Resolution: 0.001
Altitude_Distance_Units: meters
Altitude_Encoding_Method:
Explicit elevation coordinate included with horizontal coordinates
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: 2023012FA_Marconi_nav_GCPs.csv
Entity_Type_Definition: Ground control point positions, elevations, and attributes
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: FAN
Attribute_Definition: USGS Field Activity Number
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 2023-012-FA
Enumerated_Domain_Value_Definition: Year, USGS ID, and Field Activity
Enumerated_Domain_Value_Definition_Source: USGS
Attribute:
Attribute_Label: Point ID
Attribute_Definition: Unique point identification number.
Attribute_Definition_Source: Processor defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 10
Attribute:
Attribute_Label: Attributes
Attribute_Definition:
Unique identifier for ground control points. Prefix AERO### refers to the AeroPoints and the last 3 digits of its identifying code.
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Unrepresentable_Domain: Character string.
Attribute:
Attribute_Label: Latitude NAD83[2011]
Attribute_Definition: Post-processed latitude of AeroPoint position (NAD83[2011]).
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 41.89137795
Range_Domain_Maximum: 41.89579487
Attribute_Units_of_Measure: decimal degrees
Attribute:
Attribute_Label: Longitude NAD83[2011]
Attribute_Definition: Post-processed longitude of AeroPoint position (NAD83[2011]).
Attribute_Definition_Source: None
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -69.96424788
Range_Domain_Maximum: -69.96227984
Attribute_Units_of_Measure: decimal degrees
Attribute:
Attribute_Label: Ellipsoid height NAD83[2011]
Attribute_Definition:
Post-processed height in meters of AeroPoint on the NAD83(2011) reference ellipsoid.
Attribute_Definition_Source: None
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -24.858
Range_Domain_Maximum: -7.864
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: Northing 19N
Attribute_Definition:
Post-processed interpolated X-coordinate of AeroPoint in NAD83(2011)/UTM Zone 19N.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 4638163.797
Range_Domain_Maximum: 4638655.695
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: Easting 19N
Attribute_Definition:
Post-processed interpolated Y-coordinate of AeroPoint in NAD83(2011)/UTM Zone 19N.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 420170.470
Range_Domain_Maximum: 420011.870
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: Orthometric height NAVD88
Attribute_Definition: Post-processed Z-coordinate of AeroPoint using NAVD88 Geoid 18.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2.943
Range_Domain_Maximum: 19.932
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: Xvar mm
Attribute_Definition: Variance in the X-coordinate from post-processing
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.8
Range_Domain_Maximum: 8.7
Attribute_Units_of_Measure: millimeters
Attribute:
Attribute_Label: Yvar mm
Attribute_Definition: Variance in the Y-coordinate from post-processing
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.8
Range_Domain_Maximum: 18.8
Attribute_Units_of_Measure: millimeters
Attribute:
Attribute_Label: Zvar mm
Attribute_Definition: Variance in the Z-coordinate from post-processing
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.7
Range_Domain_Maximum: 29.3
Attribute_Units_of_Measure: millimeters
Attribute:
Attribute_Label: Baseline distance km
Attribute_Definition:
distance of AeroPoint from nearest used processing network base station
Attribute_Definition_Source: Propeller
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.03
Range_Domain_Maximum: 11.74
Attribute_Units_of_Measure: kilometers
Overview_Description:
Entity_and_Attribute_Overview:
These attribute definitions describe each column of information in the CSV file of the AeroPoint GCP information.
Entity_and_Attribute_Detail_Citation: USGS Field Activity 2023-012-FA
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - ScienceBase
Contact_Address:
Address_Type: mailing and physical address
Address: Denver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225
Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov
Resource_Description:
2023012FA_Marconi_nav_GCPs.csv contains the ground control point data to be used with the aerial imagery.
Distribution_Liability:
Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. The USGS or the U.S. Government shall not be held liable for improper or incorrect use of the data described and/or contained herein.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: CSV
Format_Version_Number: Exported from Microsoft Excel Office 365 16.01
Format_Information_Content:
The CSV file 2023012FA_Marconi_nav_GCPs.csv contains ground control data.
Transfer_Size: 0.03
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions:
The first link in the list above is to directly download all the data on the page, the second link is to the page, and the third link is the doi to the main publication.
Fees: none
Technical_Prerequisites: The user must have software capable reading CSV format.
Metadata_Reference_Information:
Metadata_Date: 20230725
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jin-Si R. Over
Contact_Organization:
U.S. Geological Survey, Woods Hole Coastal and Marine Science Center
Contact_Position: Geographer
Contact_Address:
Address_Type: mailing and physical
Address: U.S. Geological Survey
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2297
Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov
Contact_Instructions:
The metadata contact email address is a generic address in the event the person is no longer with USGS.
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

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