| Project: | Ecosystem Trends |
| Location: | Bering Sea Site 4 |
| Latitude: | 57° 52' N |
| Longitude: | 168° 53' W |
| seafloor | 72 meters |
| currents | 70 cm/s |
| Deployment | 12 months |
| |
| Instruments: | |
| SeaCat | 1 |
| Eco-Fluor. | 1 |
| SBE-39 | 5 |
| MTR | 10 |
| MicroCat | 3 |
| release | 1 |
| Mooring: | |
| Instrument: | Depth |
| SeaCat/ NFL/ NP | 12.5 m |
| Eco-Fluor. | 13 m |
| SBE-39 | 15 m |
| MicroCat /SG | 17.75 m |
| SBE-39 | 19 m |
| SBE-39 | 23 m |
| SBE-39 | 27 m |
| Microcat | 31 m |
| SBE-39 | 35 m |
| MTR /MTR | 40 m |
| MTR /MTR | 45 m |
| MTR /MTR | 50 m |
| MicroCat | 55 m |
| MTR /MTR | 60 m |
| MTR /MTR | 67 m |
| release | |
| seafloor | 72 m |
| |
| Previous Deployments: | 12BS-4B, Sept. 2012 |
| |
| Mooring Design Change: |
| 1 | changed Seacat to Microcat at 31 m |
| 2 | removed WETStar at 31 m |
| 3 | changed SBE-39 to 2 MTRs at 40, 45, 50, 60 and 67 m |
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