Found 300 datasets matching "SfM".
-
This collection includes various coral reef data that was extracted by analyses of Structure-from-Motion (SfM) imagery of coral reef ecosystems across the Pacific Islands Regions by the Ecosystem...
Search relevance: 91.85 | Views last month: 0 -
Structure-from-Motion (SfM) surface models were created using seafloor video collected over a visible fault scarp in the Channel Islands, California, during a 2016 U.S. Geological Survey (USGS)...
Search relevance: 87.13 | Views last month: 0 -
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water surveys throughout the U.S. Pacific since 2019. Surveys were funded by NOAA...
Search relevance: 79.03 | Views last month: 0 -
The U.S. Geological Survey (USGS) Remote Sensing Coastal Change (RSCC) and Processes Impacting Seafloor Change and Ecosystem Services (PISCES) projects collect underwater imagery of coral reefs...
Search relevance: 73.43 | Views last month: 2 -
Coral adult and juvenile coral colony demographic data described in this dataset are derived from the GIS analysis of benthic photomosaic imagery collected across American Samoa in 2023 for a...
Search relevance: 72.19 | Views last month: 0 -
Coral adult and juvenile coral colony demographic data described in this dataset are derived from the GIS analysis of benthic photomosaic imagery. The source imagery was collected using a...
Search relevance: 68.84 | Views last month: 0 -
Coral adult demographic data described in this dataset are derived from the GIS analysis of benthic photomosaic imagery. This data includes coral species identification, bleaching extent and...
Search relevance: 68.45 | Views last month: 0 -
The data described here are structural complexity estimates derived from Structure-from-Motion (SfM) benthic habitat imagery from diver transect surveys conducted at stratified-random sites (StRS)...
Search relevance: 64.19 | Views last month: 0 -
The data described here are Structure from Motion (SfM) benthic habitat imagery from benthic transect surveys conducted at stratified random sites by the Pacific Islands Fisheries Science Center...
Search relevance: 64.00 | Views last month: 0 -
Orthomosaics and Digital Surface Models of Pedersen Lagoon, the toe of Pedersen Glacier, and surrounding areas in Kenai Fjords National Park. These data were collected using Structure from Motion...
Search relevance: 58.36 | Views last month: 1 -
The data described here are coral planar area measurements derived from the analysis of benthic photomosaic imagery collected at fixed sites across Pacific Island regions since 2014. The source...
Search relevance: 58.11 | Views last month: 0 -
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in search of derelict...
Search relevance: 48.15 | Views last month: 0 -
The data in this release re-map the beach and nearshore environment at Head of the Meadow Beach in Truro, MA and provide updated environmental context for the 2020 CoastCam installation that looks...
Search relevance: 47.00 | Views last month: 0 -
3D bathymetric surfaces of low- and high-relief sites from the coral reef flat off Waiakane, Molokai
3D bathymetric surfaces of low- and high-relief sites from the coral reef flat off Waiakane, Molokai, were created using structure-from-motion (SfM) techniques. The two study sites are located...
Search relevance: 45.90 | Views last month: 0 -
Lava flow hazards are usually thought to end when the erupting vent becomes inactive, but this is not always the case. At Kilauea in August 2014, a spiny 'a'a flow erupted from the levee of a...
Search relevance: 45.84 | Views last month: 0 -
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in search of derelict...
Search relevance: 45.72 | Views last month: 0 -
This portion of the data release presents a high-resolution orthomosaic image of the coral reef off Waiakane, Molokai, Hawaii. The orthomosaic has a resolution of 2.5 centimeters (cm) per pixel...
Search relevance: 44.77 | Views last month: 0 -
Small Uncrewed Aircraft Systems (sUAS) were used to collect aerial remote sensing data over Marsh Island, a salt marsh restoration site along New Bedford Harbor, Massachusetts. Remediation of the...
Search relevance: 44.27 | Views last month: 0 -
The data described here are raw corallivory, or coral predation, data from in situ visual surveys as well as derived corallivory data from Structure-from-Motion (SfM) imagery collected during...
Search relevance: 43.23 | Views last month: 0 -
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in 2021, at sites where...
Search relevance: 43.09 | Views last month: 0