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Kongsfjorden 2024-2025 mooring diagram exFOBB outer mooring

Vogedes, Daniel; Daase, Malin; Bailey, Allison; Hoppe, Clara Jule Marie; Hattermann, Tore

Abstract

As part of the ExFOBB project, UiT The Arctic University of Norway, in collaboration with the Norwegian Polar Institute and the Alfred Wegener Institute, developed and deployed two marine mooring observatories to investigate the characteristics and temporal variability of Atlantic water inflow into Kongsfjorden, an open fjord on the west coast of Svalbard in the Arctic. The moorings, named ‘ExFOBB Inner’ (located at the southern end of the mouth of Kongsfjorden and Krossfjorden, 300m bottom depth) and ‘ExFOBB Outer’ (situated just north of Prince Karls Forland, 260m bottom depth), were deployed along the route of Atlantic inflow to Kongsfjorden. They were deployed for two one-year periods: 1) September 2023 – June 2024, and 2) June 2024 – September 2025. This is the mooring diagram for the outer mooring of the 2024-2025 season.

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10060 (2 - 106m) Kongsfjorden exFOBB outer 2024>2025 A/R S/N 529 (W) 15C0 (D) 1549 (R) 1555 500 kg Chain Anchor + 100 kg old wire 1m x 1/2"L/L chain 1 x 5m 10mm 6x19FC wire LAT: 78º 58 59.99399'N (78.983332) LON: 010º 20 53.868'E (10.348297) DEPTH: 268m DEPLOYED: 00:27UTC 29/06/2024 RECOVERED: 07:18UTC 30/08/2025 SBE 37SM S/N 14868 (Depth 258m) inline SBE56 Temperature loggers Swivel 10059 (1 - 54m) 10061 (3 - 157m) 10062 (4 - 208m) Swivel 37in S/S buoy steel (318 kg buoyancy, 137 kg weight) 10066 (5 - 264m) SBE 37SMP S/N 9112 (Depth 23.5 m) inline updated 2025-10-11 x x x x BARC w/ VEMCO ascent 580371 (18 m) w/ XEOS rover beacon 751 transmitting 3hrs, IMEI 300434063359150 1 x 20m 10mm Dyneema 1 x 50m 10mm Dyneema 1 x 50m 10mm Dyneema 1 x 50m 10mm Dyneema 1 x 50m 10mm Dyneema 10067 (0 - 18m) x 1 x 10m 10mm Dyneema