Water Column Monitoring Videos

  • Bottom-hole Karst Conduit in Water Well - Craig County, Virginia Video

    This video shows a moderately sized water-filled karst conduit in a 6" diameter former supply well in Craig County, Virginia. The well is currently the only real-time state observation well for Craig County http://waterdata.usgs.gov/va/nwis/uv/?site_no=372223080234801&PARAmeter_cd=72019,72020. The well is drilled in Ordovician Knox Group carbonate bedrock and shows the complex nature of conduit ...

  • Underwater view of a deployed CastAway-CTD - Lake Vanda, Antarctica Video

    This short underwater video was shot by scuba diver, Tyler Mackey, a graduate student in the Department of Earth and Planetary Sciences, University of California, Davis, showing the deployment and recover of the SonTek CastAway-CTD through lake ice. Located in the Wright Valley of the McMurdo Dry Valleys of Antarctica, Lake Vanda exhibits some of the most unique physical properties of the ...


    By SonTek - A Xylem Brand

  • ASL Acoustic Zooplankton Fish Profiler Video

    The ASL Acoustic Zooplankton Fish Profiler™ (AZFP™) offers a new, economical way of obtaining reliable measures of marine environmental conditions in the water column. The AZFP™ can monitor the presence and abundance of zooplankton and fish within the water column by measuring acoustic backscatter returns at multiple ultrasonic frequencies. Other sonar targets realized from the sonar backscatter ...

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