Open Access
Table 1
Description of the raw position and acoustic data received from the various buoy manufacturers and under the different data-exchange agreements (D1 and D2).
| Marine Instruments | Satlink D2 |
Zunibal D2 |
|||
|---|---|---|---|---|---|
| D1 | D2 | ||||
| Buoy Operation Data | Buoy identification code | ☒ | ☒ | ☒ | ☒ |
| Owner vessel(s) | ☒ | ☒ | ☒ | ☐ | |
| Buoy activation date | ☒ | ☐ | ☐ | ☐ | |
| Buoy deactivation date | ☒ | ☐ | ☐ | ☐ | |
| Flash (notification on activation of the buoy flash) | ☒ | ☐ | ☐ | ☐ | |
| Buoy operating mode) | ☒ | ☒ | ☐ | ☐ | |
| Buoy battery level | ☒ | ☒ | ☐ | ☐ | |
| in/out water sensor | ☐ | ☐ | ☐ | ☒ | |
| Location data and other data | Timestamp of GPS position data | ☒ | ☒ | ☒ | ☒ |
| GPS position data | ☒ | ☒ | ☒ | ☒ | |
| Buoy speed | ☒ | ☒ | ☒ | ☒ | |
| Buoy drift angle | ☒ | ☐ | ☐ | ☐ | |
| Sea water temperature | ☒ | ☒ | ☐ | ☐ | |
| Acoustic sampling data | Timestamp of acoustic data collection | ☒ | ☒ | ☒ | ☐ |
| Sampling frequencies | ☒ | ☒ | ☐ | ☐ | |
| Echosounder detection range | ☒ | ☒ | ☐ | ☐ | |
| Gain of acoustic samplings | ☒ | ☒ | ☐ | ☐ | |
| Resolution (number of bits used in each layer) | ☒ | ☒ | ☐ | ☐ | |
| Number of depth layers | ☒ | ☒ | ☐ | ☐ | |
| Total biomass index (estimated tonnage from the echosounder) | ☒ | ☐ | ☒ | ☒ | |
| Maximum biomass estimated at any layer | ☐ | ☐ | ☒ | ☐ | |
| Acoustic data format | Integers (from 0-7 or 0-15) representing the intensity of the acoustic signal detected | Biomass (tons) estimated per layer of 11.2 m over 115 m depth (10 layers), based on a buoy-integrated algorithm | Total biomass (tons) | ||
| Buoys models in the dataset | M3+, M4I, M3I, MSI | DL+, DSL+, ISD+, ISL+ | T7+ | ||
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