Jonathan A. Warrick Andrew C. Ritchie Evan T. Dailey Gerald A. Hatcher Christine Kranenburg David G. Zawada Kimberly K. Yates 2020 TIFF data release DOI:10.5066/P9V7K7EG Pacific Coastal and Marine Science Center, Santa Cruz, California U.S. Geological Survey https://doi.org/10.5066/P9V7K7EG https://cmgds.marine.usgs.gov/data-releases/datarelease/10.5066-P9V7K7EG/dataset/5/ Jonathan A. Warrick Andrew C. Ritchie Evan T. Dailey Gerald A. Hatcher Christine Kranenburg David G. Zawada Kimberly K. Yates 2020 Digital data release DOI:10.5066/P9V7K7EG Pacific Coastal and Marine Science Center, Santa Cruz, California U.S. Geological Survey https://doi.org/10.5066/P9V7K7EG Georeferenced orthophotos were created from structure-from-motion (SfM) data using seafloor images collected using the new 5-camera system SfM Quantitative Underwater Imaging Device with Five Cameras (SQUID-5). Images were collected in July 2019 by towing the SQUID-5 in 3 to 4 meters of water off of Islamorada in the Florida Keys during 3 days. The five cameras were synchronized together and with a survey-grade Global Positioning System (GPS). Images were collected over diverse benthic settings, including living and senile reefs, rubble, and sand. Orthomosaics were created from the photos using SfM photogrammetric software. These orthophotos were produced to assess the accuracy, precision, and effectiveness of the new SQUID-5 camera platform. Additional information about the field activities from which these data were derived is available online at: https://cmgds.marine.usgs.gov/fan_info.php?fan=2019-630-FA https://cmgds.marine.usgs.gov/fan_info.php?fan=2019-323-FA Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. 20190706 20190716 ground condition Complete None planned -80.62214 -80.52600 24.91171 24.89666 USGS Metadata Identifier USGS:f5fde66b-9d65-4b0d-8bfd-501c71f027ef ISO 19115 Topic Category oceans Data Categories for Marine Planning Bathymetry and Elevation USGS Thesaurus bathymetry bathymetry measurement sea-floor characteristics geospatial datasets remote sensing image mosaics Marine Realms Information Bank (MRIB) keywords seabed None U.S. Geological Survey USGS Coastal and Marine Geology Program CMGP Coastal and Marine Hazards and Resources Program CMHRP Pacific Coastal and Marine Science Center PCMSC St. Petersburg Coastal and Marine Science Center SPCMSC Geographic Names Information System (GNIS) Crocker Reef Florida Keys Straits of Florida State of Florida None USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator of the dataset and in products derived from these data. This information is not intended for navigation purposes. U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060 831-460-4747 pcmsc_data@usgs.gov https://cmgds.marine.usgs.gov/data-releases/media/2020/10.5066-P9V7K7EG/9a7d73f305f84f58b0e9d7a0e8e7fc5f/Ortho_browse.png Example SfM orthomosaic PNG Data collection was funded by U.S. Geological Survey Microsoft Windows 10 The horizontal and vertical accuracies of the surface models were compared against GPS survey data of known features covered by the survey. All data fall within expected ranges. Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. SfM-based measurements of the Sediment Elevation Table (SET) stations were within 3 cm of the total uncertainty of the field-based GPS measurements. The average horizontal scaling of the models is between 0.016% and 0.024% of water depth. SfM-based measurements of the Sediment Elevation Table (SET) stations were within 3 cm of the total uncertainty of the field-based GPS measurements. The average horizontal scaling of the models is between 0.016% and 0.024% of water depth. Jonathan A. Warrick Andrew C. Ritchie Evan T. Dailey Gerald A. Hatcher Christine Kranenburg David G. Zawada Kimberly K. Yates 2020 BMP online U.S. Geological Survey https://doi.org/10.5066/P9V7K7EG digital images 20190706 20190716 ground condition at time data were collected imagery Digital underwater imagery from which Structure-for-Motion point cloud data were generated Structure-from-Motion Processing: the complete photo sets of each study area were subsampled such that minimum GPS spacing between the center camera location per collection instance was at least 0.75 m. For each survey site, the subsampled photo quintets were combined with GPS positions and camera-to-GPS-antennae distance vectors (lever arm offsets) and aligned with independent lens models for each camera. The computed camera positions and lens models were then refined using three statistical tools (reconstruction uncertainty, projection accuracy, and reprojection error) in Metashape to eliminate poorly constructed tie points. With trial and error, we found that threshold values of 20, 8 and 0.4 for these statistical tools, respectively, resulted in good alignment and adequately dense tie point distributions in both complex reef settings and simple sandy areas. Once the photo alignment and lens models were optimized, tie points were used to export 5 mm resolution orthomosaics for each study area in TIFF file format. imagery 202001 Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed. 20201019 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 Corrected working URL links to cmgds data repository to the actual published links 20210317 U.S. Geological Survey Susan A. Cochran Geologist Mailing and Physical

2885 Mission Street

Santa Cruz CA 95060 831-460-7545 scochran@usgs.gov Raster Grid Cell Universal Transverse Mercator 17N 0.9996 -81 0.0 500000.0 0.0 coordinate pair 0.01 0.01 METERS NAD_1983_2011_UTM_Zone_17N GRS 1980 6378137.0 298.257222101 Attribute table Table containing attribute information associated with the dataset U.S. Geological Survey Band_1 Red wavelength band. Agisoft Photoscan 0 255 Band_2 Green wavelength band. Agisoft Photoscan 0 255 Band_3 Blue wavelength band. Agisoft Photoscan. 0 255 U.S. Geological Survey - ScienceBase Mailing and Physical

Denver Federal Center, Building 810, Mail Stop 302

Denver CO 80225 1-888-275-8747 sciencebase@usgs.gov These data are available in TIFF format (JD192_SET1_Ortho_5mm.tif, JD193_SET1_Ortho_5mm.tif, JD193_SET2_Ortho_5mm.tif, JD194_CheecaRx_Ortho_5mm.tif) contained in a single zip file, along with CSDGM FGDC-compliant metadata, and a browse image map of the data (.png). The TIFF data files are named with the following convention: Julian Day number, area, "Ortho" (orthophoto), and resolution (5 mm). 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 on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. TIFF Agisoft Metashape Professional Version 1.5.2 build 8432 (64 bit) The .zip file contains four TIFF rasters (.tif) with world files (.tfw). No compression applied. 170.3 https://cmgds.marine.usgs.gov/data-releases/media/2020/10.5066-P9V7K7EG/9753bcde641e48ad9d3526b231c5b52d/SQUID5_Florida_Orthomosaics.zip https://cmgds.marine.usgs.gov/data-releases/datarelease/10.5066-P9V7K7EG/dataset/5/ https://doi.org/10.5066/P9V7K7EG Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download the zipped file of imagery. The second link points to a landing page with data, metadata, and a sample image. The third link points to the landing page for the entire data release. None. These data can be viewed with Esri ArcGIS software. 20210317 U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060 831-460-4747 pcmsc_data@usgs.gov Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998