Measuring discharge with hydroacoustics instrument under ice
Detailed Description
Uplooking SonTek IQ Plus (in background) and TRDI V-ADCP (in foreground) and mounting bracket during ice-cover as captured on with a GoPro HERO3 on February 4, 2015 at the USGS streamgage 09064600 Eagle River near Minturn, Colorado, USA
Sources/Usage
Public Domain.