Field Activity Details for field activity 2025-018-FA

Other ID: Sam Ayers Dam

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s): Other (Other), Aerial Imaging & Mapping (AIM) (LQ000GU1400)

Principal Investigator(s): Sandra Brosnahan

Affiliate Investigator(s):

Information Specialist(s): Jin-Si Over

Data Type(s): Location-Elevation: Navigation, Visual Identification: Ground Truthing, Location-Elevation: LIDAR, Imagery: Photo

Scientific Purpose/Goals: Collect data before and after dam removal

Vehicle(s):

Start Port/Location:

End Port/Location:

Start Date: 2025-09-10

End Date: 2025-12-31

Equipment Used: Emlid RS3, Aeropoint targets, Reconnaissance, Wingtra Lidar, Skydio X10, WingtraOne Gen II

Information to be Derived: lidar point cloud, digital elevation models, orthoimage, thermal imagery

Summary of Activity and Data Gathered: Collected thermal and rgb imagery with Skydio. Collected RGB and lidar data with Wingtra. Set out limited ground control and set up base twice, no useable GPS check shots. Multiple issues with Skydio flights due to camera glitches. Heavy tree cover.

Staff: Jennifer Cramer, Jin-Si Over, Seth Ackerman, Amit Millo

Affiliate Staff:

Notes: Initial trip planned for 9/10-9/12 (S. Brosnahan, J. Over, and A. Millo), may be returning before the year is done for the post-dam removal. Externally funded, see overtime account number

Location:

Area around the Sam Ayers Dam in Penobscot County, Maine

Platform(s):

Publications

Portals/Viewers

Data Acquired