Surveyed Positions of Transect Points Associated With Images Collected During Unmanned Aerial Systems Flights Over Town Neck Beach, in Sandwich, Massachusetts on January 9, January 25, February 14, March 16, May 4, and September 18, 2017

Low-altitude (80-100 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts were obtained from a camera mounted on a small unmanned aerial system (UAS; also known as a drone). Imagery was collected at close to low tide on seven days to observe changes in beach and dune morphology. The images were geolocated by using the single-frequency geographic positioning system aboard the UAS. Ground control points (GCPs) were established by using temporary targets on the ground, which were located by using a real-time kinematic global navigation satellite system (RTK-GNSS) base station and rovers. The GCPs can be used as constraints during photogrammetric processing. Transect points were collected by using the same RTK-GNSS system; these can be used to evaluate photogrammetric products. This data release includes georeferenced images, image-location files, GCPs, and transect points. Collection of these data was supported by the U.S. Geological Survey Coastal and Marine Geology Program and were conducted under USGS field activity numbers 2017-005-FA, 2017-008-FA, 2017-010-FA, 2017-014-FA, 2017-029-FA, and 2017-050-FA.

Data and Resources

Field Value
accessLevel public
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identifier http://datainventory.doi.gov/id/dataset/usgs-5a871acae4b00f54eb3a2d5f
metadata_type geospatial
modified 2022-07-07T00:00:00Z
old-spatial -70.4876, 41.7636, -70.4754, 41.7702
publisher U.S. Geological Survey
resource-type Dataset
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spatial {"type": "Polygon", "coordinates": [[[-70.4876, 41.7636], [-70.4876, 41.7702], [ -70.4754, 41.7702], [ -70.4754, 41.7636], [-70.4876, 41.7636]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • aerial-and-satellite-photography
  • cmgp
  • coastal-and-marine-geology-program
  • elevation
  • field-activity-number-2017-005-fa
  • field-activity-number-2017-008-fa
  • field-activity-number-2017-010-fa
  • field-activity-number-2017-014-fa
  • field-activity-number-2017-029-fa
  • field-activity-number-2017-050-fa
  • global-positioning-system
  • gnss
  • gps
  • gps-measurement
  • location
  • massachusetts
  • navigation
  • navigational-data
  • oceans
  • sandwich
  • town-neck-beach
  • u-s-geological-survey
  • usa
  • usgs
  • usgs-5a871acae4b00f54eb3a2d5f
  • whcmsc
  • woods-hole-coastal-and-marine-science-center
isopen False
license_id notspecified
license_title License not specified
maintainer Sandra Brosnahan
maintainer_email sbrosnahan@usgs.gov
metadata_created 2025-09-23T23:54:04.916059
metadata_modified 2025-09-23T23:54:04.916071
notes Low-altitude (80-100 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts were obtained from a camera mounted on a small unmanned aerial system (UAS; also known as a drone). Imagery was collected at close to low tide on seven days to observe changes in beach and dune morphology. The images were geolocated by using the single-frequency geographic positioning system aboard the UAS. Ground control points (GCPs) were established by using temporary targets on the ground, which were located by using a real-time kinematic global navigation satellite system (RTK-GNSS) base station and rovers. The GCPs can be used as constraints during photogrammetric processing. Transect points were collected by using the same RTK-GNSS system; these can be used to evaluate photogrammetric products. This data release includes georeferenced images, image-location files, GCPs, and transect points. Collection of these data was supported by the U.S. Geological Survey Coastal and Marine Geology Program and were conducted under USGS field activity numbers 2017-005-FA, 2017-008-FA, 2017-010-FA, 2017-014-FA, 2017-029-FA, and 2017-050-FA.
num_resources 2
num_tags 35
title Surveyed Positions of Transect Points Associated With Images Collected During Unmanned Aerial Systems Flights Over Town Neck Beach, in Sandwich, Massachusetts on January 9, January 25, February 14, March 16, May 4, and September 18, 2017