Aerial imagery and structure-from-motion data products from UAS surveys of the beaches at Fort Stevens State Park, OR, and Cape Disappointment State Park, WA, July 2021

This data release presents aerial imagery and structure-from-motion (SfM) data products from uncrewed aerial system (UAS) surveys conducted on the ocean beaches adjacent to the Columbia River Mouth at the Oregon-Washington border in July 2021. The surveys cover approximately 3 kilometers of Benson Beach at Cape Disappointment State Park in Washington, north of the Columbia River mouth, and 3 kilometers of the beach at Fort Stevens State Park in Oregon, south of the river mouth. Both surveys were timed to coincide with low tide to maximize the extent of the exposed beach. For the Fort Stevens State Park survey a total of ten flights were conducted between 14:00 and 16:45 UTC (7:00 and 9:45 PDT) on 22 July. For...

Aerial imagery and structure-from-motion data products from UAS surveys of the beaches at Fort Stevens State Park, OR, and Cape Disappointment State Park, WA, August 2017

This data release presents aerial imagery and structure-from-motion (SfM) data products from uncrewed aerial system (UAS) surveys conducted on the ocean beaches adjacent to the Columbia River Mouth at the Oregon-Washington border in August 2017. The surveys cover approximately 3 kilometers of Benson Beach at Cape Disappointment State Park in Washington, north of the Columbia River mouth, and 3 kilometers of the beach at Fort Stevens State Park in Oregon, south of the river mouth. Both surveys were timed to coincide with low tide to maximize the extent of the exposed beach. For the Fort Stevens State Park survey a total of 5 flights were conducted on 7 August, between 16:32 and 20:22 UTC (9:32 and 13:22 PDT)...