Aerial imagery from UAS survey of the intertidal zone at West Whidbey Island, WA, 2019-06-04

Dates

Publication Date: 2021-09-15
Time Period: 2019-06-04

Citation

Logan, J.B., Grossman, E.E., VanArendonk, N.R., and Maverick, A.F.G., 2021, Aerial imagery and structure-from-motion data products from UAS survey of the intertidal zone at West Whidbey Island, WA, June 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P9R76MVP.

Summary

This portion of the data release presents the raw aerial imagery collected during the unmanned aerial system (UAS) survey of the intertidal zone at West Whidbey Island, WA, on 2019-06-04. The imagery was acquired using a Department of Interior-owned 3DR Solo quadcopter fitted with a Ricoh GR II digital camera featuring a global shutter. Flights using both a nadir camera orientation and an oblique camera orientation were conducted. For the nadir flights (F04, F05, F06, F07, and F08), the camera was mounted using a fixed mount on the bottom of the UAS and oriented in an approximately nadir orientation. The UAS was flown on pre-programmed autonomous flight lines at an approximate altitude of 70 meters above ground level (AGL), resulting [...]

Summary

This portion of the data release presents the raw aerial imagery collected during the unmanned aerial system (UAS) survey of the intertidal zone at West Whidbey Island, WA, on 2019-06-04. The imagery was acquired using a Department of Interior-owned 3DR Solo quadcopter fitted with a Ricoh GR II digital camera featuring a global shutter. Flights using both a nadir camera orientation and an oblique camera orientation were conducted. For the nadir flights (F04, F05, F06, F07, and F08), the camera was mounted using a fixed mount on the bottom of the UAS and oriented in an approximately nadir orientation. The UAS was flown on pre-programmed autonomous flight lines at an approximate altitude of 70 meters above ground level (AGL), resulting in a nominal ground-sample-distance (GSD) of 1.8 centimeters per pixel. The flight lines were oriented roughly shore-parallel and were spaced to provide approximately 70 percent overlap between images from adjacent lines. For the oblique orientation flights (F03, F09, F10, and F11), the camera was mounted using a fixed mount on the bottom of the UAS and oriented facing forward with a downward tilt. The UAS was flown manually in a sideways-facing orientation with the camera pointed toward the bluff. The camera was triggered at 1 Hz using a built-in intervalometer. After acquisition, the images were renamed to include flight number and acquisition time in the file name. The coordinates of the approximate image acquisition location were added ('geotagged') to the image metadata (EXIF) using the telemetry log from the UAS onboard single-frequency autonomous GPS. The image EXIF were also updated to include additional information related to the acquisition. Although the images were recorded in both JPG and camera raw (Adobe DNG) formats, only the JPG images are provided in this data release. The data release includes a total of 3,336 JPG images. Images from takeoff and landing sequences were not used for processing and have been omitted from the data release. The images from each flight are provided in a zip file named with the flight number.

Contacts

Point of Contact :: PCMSC Science Data Coordinator
Originator :: Joshua Logan, Eric Grossman, Nathan R Vanarendonk, Avery FG Maverick
Metadata Contact :: PCMSC Science Data Coordinator
Publisher :: U.S. Geological Survey
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Pacific Coastal and Marine Science Center
USGS Mission Area :: Natural Hazards

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WestWhidbey_2019-06-04_aerial_imagery_metadata.xml Original FGDC Metadata	View	25.3 KB	application/fgdc+xml
WestWhidbey_raw_image_browse.jpg		2.51 MB	image/jpeg
F11_WestWhidbey_Oblique_2019-06-04_JPG_images.zip		547.47 MB	application/zip
F06_WestWhidbey_2019-06-04_JPG_images.zip		601.8 MB	application/zip
F10_WestWhidbey_Oblique_2019-06-04_JPG_images.zip		666.51 MB	application/zip
F08_WestWhidbey_2019-06-04_JPG_images.zip		799.24 MB	application/zip
		2.24 GB	application/zip
		2.93 GB	application/zip
		3.19 GB	application/zip
		3.44 GB	application/zip
		3.55 GB	application/zip

Purpose

These data were collected to characterize the morphology, substrate composition and roughness of intertidal areas to support modeling of coastal storm and wave impacts with sea-level rise as part of the USGS Puget Sound Coastal Storm Modeling System (PS-CoSMoS). The data are also intended to be used to model and evaluate sediment transport and its effects on coastal habitats, a focus of the USGS Coastal Habitats in Puget Sound Project (CHIPS) and its partners to inform resource management and adaptive planning for our Nation's coasts.

Aerial imagery from UAS survey of the intertidal zone at West Whidbey Island, WA, 2019-06-04

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