1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System

Field Activity 2022-638-FA

Identifier 2022-638-FA
Alternate names Elwha 2022 summer survey
Purpose Collect nearshore bathymetry and beach topography on the Elwha River delta
Location Puget Sound
Info derived Nearshore Bathymetry, Beach Topography
Comments Entries for this field activity are based on entries from Field Activity 2020-623-FA Entries for this field activity are based on entries from Field Activity 2021-640-FA
Projects
Platform
Waverunner 1 (SC)
Personal Water Craft
Waverunner 2 (SC)
Personal Water Craft
Vehicles
MarFac; Expedition G62-3094P
Itinerary
Start Port Angeles, WA 2022-08-08
End Port Angeles, WA 2022-08-12
Days in the field 5
Bounds
West -123.633
East -123.38360665
North 48.17624572
South 48.10493829
Marine operations Yes

Personnel

Organization
2885 Mission Street
Santa Cruz, CA95060
(831) 460-7401
Principal investigators Jonathan Warrick
Crew members
Andrew Stevens
Scientist, Staff
Jackson E Currie
Scientist, Staff
Jonathan Warrick
Scientist, Staff
Cordell Johnson
Scientist, Staff
Andrew C Ritchie
Scientist, Staff
Information specialist(s)
Andrew Stevens
Specialist, Information

Data types and categories

Data category: Sampling, Sonar, Location-Elevation
Data type: Geology, Sound Velocity, Single Beam, Transects, Navigation

Equipment used

Equipment Usage description Data types Datasets
Hand-grab sample Biology, Chemistry, Geology 1
YSI Sound velocity CTD CTD, Sound Velocity (no data reported)
Waverunners Navigation, Single Beam (no data reported)
Waverunners Navigation, Single Beam (no data reported)
Trimble R7 GPS receiver 9 Benchmarks, LIDAR, Navigation, Profiles, Transects (no data reported)
Trimble R7 GPS receiver Benchmarks, LIDAR, Navigation, Profiles, Transects (no data reported)
Trimble R7 GPS (AS) Benchmarks, Navigation, Profiles, Transects (no data reported)
Trimble R7 GPS receiver 9 Benchmarks, LIDAR, Navigation, Profiles, Transects (no data reported)
Trimble R7 GPS receiver Benchmarks, LIDAR, Navigation, Profiles, Transects (no data reported)
Trimble R7 GPS (AS) Benchmarks, Navigation, Profiles, Transects (no data reported)

Datasets

Datasets produced in this activity

Dataset name Equipment Description Dataset contact
Surface-sediment grain-size distributions of the Elwha River delta, Washington, August 2022 Hand-grab sample This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in August 2022 (USGS Field Activity 2022-638-FA). Surface sediment was collected from 67 locations using a small ponar, or 'grab', sampler from the R/V Frontier in water depths between about 1 and 17 m around the delta. An additional 44 samples were collected by hand at low tide. A hand-held global satellite navigation system (GNSS) receiver was used to determine the locations of sediment samples. The grain size distributions of suitable samples were determined using standard techniques developed by the USGS Pacific Coastal and Marine Science Center sediment lab. Grab samples that yielded less than 50 g of sediment were omitted from analysis. The grain-size data are provided in a comma-delimited spreadsheet (.csv). Andrew Stevens

Publications

Samples collected during this field activity