lakequinault
Lake Quinault, WA 

Project Location: Lake Quinault, located at the foot of the Olympic Mountains in western Washington,
  formed around 23,000 years ago behind the terminal moraine of the Quinault valley glacier.
  The lake is situated about 30 km inland from the Pacific Ocean and has steep sides and a flat bottom
  with a maximum depth of ~80 m.  

Survey Dates: 14-17 May 2013
Sub-bottom System: Edgetech SB512i 
Pulse Duration:  20 ms 
CHIRP Frequency:  2-12 kHz 
Survey Method: Surface towed using a small catamaran behind a small boat.
  The SB512i was suspended from four chains beneath the catamaran at a depth of 1.0 ± 0.1m. Layback is 10 ± 1.0 m. 
Target Speed:  2.5-3.5 nm/hr 
Data Acquisition: Edgetech Discovery Software 
Navigation:  WAAS-enable Novatel Smart Antenna with accuracy of 1-3 m
Coordinate System: Geographic, WGS84 
Funding Source: NSF EAR-1226064. Investigating the long-term record of seismically induced
  erosion preserved in the stratigraphy of Lake Quinault, Washington