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Data Series 829

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Archive of Digital Chirp Subbottom Profile Data Collected During USGS Cruise 13GFP01, Brownlee Dam and Hells Canyon Reservoir, Idaho and Oregon, 2013

By Arnell S. Forde, Shawn V. Dadisman, James G. Flocks, Ryan Fosness, Chris Welcker, and Kyle W. Kelso

Acquisition Parameters

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Table 1. 13GFP01 chirp data acquisition parameters.

Sample
Frequency
(kHz)
 Frequency
Range*
(kHz)
Record
Length
(ms)
Shot
Rate
(s)
Shot
Spacing**
(m)
Navigation
System
Navigation
Receiver
Accuracy
(m)
 Navigation
Fix
Interval
(s)
43
 4 - 24
130
0.250
0.450
OmniSTAR HP DGPS
0.20
 1

* See the operation log for lines where changes occur.
**Shot spacing was highly variable and based on a survey speed of approximately 3.5 knots.

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