U. S. Geological Survey

Accessible Table 2 of An Acoustic Doppler Current Profiler Survey of Flow Velocities in Detroit River, a Connecting Channel of the Great Lakes

US Geological Survey Open-File Report 03-219

By: David J. Holtschlag and John A. Koschik

Table 2. Annotated excerpt of an ASCII output formatted by WinRiver Software.
Data type Sample data
  (Comment number 1)
Transect data ADCP Survey of Detroit River: FC 01
 
(Comment number 2)
USACE (Transect run left to right)
 
Depth cell length (cm) Blanking distance (cm) ADCP depth (cm) Number of depth cells Number of pings per ensemble Time per ensemble in 1/100s of a second Profiling mode
50 25 29 56 1 20 1
   
Ensemble data summary
Year (last digit) Month Day Hour Minute Second 1/100s of second Ensemble number Number of ensembles Pitch (degrees) Roll (degrees) Corrected heading (degrees) ADCP Temperature, in degrees Celsius
2 7 11 9 2 38 69 376 1 -1.120 0.600 35.950 9.550
 
Bottom-track velocity (ft/s) Vertical   Not applicable(NA)  
East(+) West(-) North(+) South(-) Up(+) Down(-) Error NA NA NA NA Depth: Beams 1-4 (ft)
1.64 0.76 0.05 0.03 0.00 469.18 0.00 10.07 5.99 6.22 6.22 5.99
 
 
Total distance in ft Total elapsed time in seconds Distance north (ft) Distance east (ft) Distance made good (ft)
0.87 0.48 0.37 0.79 0.87
 
 
Latitude Longitude Measured discharge Top discharge Bottom discharge
42.3146017 -83.0750067 -32768 -32768 0.9
 
 
Discharge ft3/s          
Measured Top Bottom Start-shoreline Start distance to shore (ft) End-shoreline discharge (ft3/s) End distance to shore (ft) Starting depth of measured layer (ft) Ending depth of measured layer (ft)
-0.0 -0.1 -0.0 0.0 20.0 0.0 0.0 3.73 3.73
 
Number of bins to follow Measurement unit (cm or ft) Velocity reference Intensity units Intensity scale factor Sound absorption factor
35 ft BT dB 0.45 0.115
 
Bin data
              Backscatter in percent (beams 1-4)    
Depth in ft Velocity magnitude in ft/s Measured velocity direction in degrees East velocity in ft/s North velocity in ft/s Vertical velocity in ft/s Error velocity in ft/s 1 2 3 4 Percent good flow
3.73 0.50 241.35 -0.4 -0.2 -0.0 -0.2 99.0 89.1 90.4 89.1 100 -0.05
 
              Backscatter in percent (beams 1-4)    
Depth in ft Velocity magnitude in ft/s Measured velocity direction in degrees East velocity in ft/s North velocity in ft/s Vertical velocity in ft/s Error velocity in ft/s 1 2 3 4 Percent good flow
5.37 -32768 -32768 -32768 -32768 -32768 -32768 255 109 109 255 0 2147483647
7.01 -32768 -32768 -32768 -32768 -32768 -32768 255 255 255 255 0 2147483647
8.65 -32768 -32768 -32768 -32768 -32768 -32768 255 255 255 255 0 2147483647
 
(Additional velocity data at each depth bin).
 
              Backscatter in percent (beams 1-4)    
Depth in ft Velocity magnitude in ft/s Measured velocity direction in degrees East velocity in ft/s North velocity in ft/s Vertical velocity in ft/s Error velocity in ft/s 1 2 3 4 Percent good
flow
59.51 -32768 -32768 -32768 -32768 -32768 -32768 255 255 255 255 0 2147483647

Citation:

Holtschlag, David J.and John A. Koschik, U.S. Army Corps of Engineers, 2003, An Acoustic Doppler Current Profiler Survey of Flow Velocities in Detroit River, a Connecting Channel of the Great Lakes, Date Posted: August 12, 2003, US Geological Survey Open-File Report 03-219 [http://mi.water.usgs.gov/pubs/OF/OF03-219/index.php]

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