SonTek/YSI Argonaut-XR Technical Manual - HydroScientific West

Argonaut Principles of Operation
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Table of Contents
Argonaut Principles of Operation
1. Introduction ............................................................................................................... 3
2. The Doppler Shift and Monostatic Current Meters .............................................. 3
3. Beam Geometry and 2D/3D Velocity Measurements............................................. 4
4. Measurement Volume Definition and Location ..................................................... 5
4.1. Argonaut MD .......................................................................................................... 5
4.2. Argonaut XR ........................................................................................................... 6
4.3. Argonaut SL ............................................................................................................ 6
5. Argonaut Data ........................................................................................................... 7
5.1. Velocity ...................................................................................................................7
5.2. Signal Strength ........................................................................................................ 7
5.3. Standard Deviation.................................................................................................. 8
5.4. Percent Good........................................................................................................... 9
6. Special Considerations.............................................................................................. 9
6.1. Dynamic Boundary Adjustment – Argonaut XR .................................................... 9
6.2. 2D Horizontal Current Measurements – Argonaut SL............................................ 9
6.3. Near-Boundary Data Collection – Argonaut XR and SL...................................... 10
6.4. Non-Directional Wave Parameters - Argonaut XR and SL .................................. 10
6.5. Sound Speed.......................................................................................................... 11