Shawn Harrison surveys beach topography using precision GPS backpack
Detailed Description
Shawn Harrison surveys beach topography using a precision GPS backpack on Twin Lakes State Beach, California. USGS researchers have measured coastal sediment supply and transport patterns in northern Monterey Bay for five years. Twice each year they survey the coast from Santa Cruz to Moss Landing with a variety of devices. The following photos show the scope of their operations.
Sources/Usage
Public Domain.