Field survey methods
![A collage of 6 photos shwoing various ways in which data is collected in the field, both on land and in water.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/ew_survey_methods.jpg?itok=dzDG3eFt)
Detailed Description
Photos of survey equipment used during surveys of the Elwha River delta, Washington, from 2010-2017, showing:
A, personal watercraft,
B, kayak each equipped with global navigation satellite system (GNSS) receivers and single-beam echosounders,
C, GNSS receiver mounted on a backpack,
D, GNSS base station,
E, collection of surface sediment sample with a grab sampler, and
F, sampling sediment from a grab sample.
Sources/Usage
Public Domain.
USGS data release
Bathymetry, topography, and sediment grain-size data from the Elwha River delta, Washington