Low Flow Applications

Instruments

Examples

• ADV - Acoustic Doppler Velocimeter

• Everglades - Shows how an ADV was used to measure low-flow fields by the USGS in the Everglades.
• Settling Basins - Describes how an ADV was used to evaluate the flow fields in the settling basins of a water treatment facility.
• Stennis - Shows how an ADV was used for low-flow studies around vegetation in a laboratory setting at the Stennis Space Center in Mississippi.

• Argonaut-ADV

• Stormwater Detention Pond - Describes how an Argonaut-ADV was used by SWFWMD in a submerged culvert to monitor discharge into a stormwater detention pond.

• FlowTracker Handheld ADV

• Arkansas Stream Gauging Program - Describes the advantages of using a FlowTracker for stream-gauging measurements.
• Hot Spring Measurements - Describes how a FlowTracker was used to take measurements in a Yellowstone National Park hot spring.
• Hydro-Archaeology Project - Researchers from Pennsylvania State University use a FlowTracker to study Mayan hydrology in Mexico.
• Indiana Stream Discharge - Describes how USGS personnel used a FlowTracker to measure discharge in eight Indiana streams.
• Tow Tank Test - Describes how the FlowTracker Handheld ADV was tested at a USGS tow tank.
• USGS Discharge Measurement Policy - The following link is to a Technical Memorandum issued by the U.S. Geological Survey's Office of Surface Water. This memorandum [pdf format] describes the USGS policy on the use of the FlowTracker for discharge measurements. The information presented in this memorandum is a courtesy from the USGS, and should not be construed as an endorsement. Additionally, this memorandum is provided "as-is"; that is, the USGS does not provide support for this memorandum outside its own agency.
  http://hydroacoustics.usgs.gov/memos/OSW2004-04.pdf

• PC-ADP - Pulse-Coherent ADP

• To submit your low-flow application, contact SonTek.