[{"name":"oden-sas-2021-subbottom-1","title":"Sub-bottom profiling data from expedition SAS, Arctic Ocean, 2021","summary":"This dataset contains sub-bottom profiling data from the Central Arctic Ocean, acquired using a Kongsberg chirp sonar installed onboard icebreaker Oden.\r\n\r\nSub-bottom profiling data can be used to observe the stratigraphy of the sediment, which was the main purpose of collecting this dataset.\r\n\r\nData were collected from Swedish icebreaker Oden during the Synoptic Arctic Survey (SAS) expedition to the central Arctic Ocean, from late July to mid September 2021.\r\n","citations":"Snoeijs-Leijonmalm Pauline, the SAS-Oden Scientific Party (2022) Expedition Report SWEDARCTIC: Synoptic Arctic Survey 2021 with icebreaker Oden. Swedish Polar Research Secretariat, 300 pp, ISBN 978-91-519-3672-7","comments":"The data were collected in summer 2021 from Swedish icebreaker Oden during the Synoptic Arctic Survey (SAS) 2021 expedition organized by the [Swedish Polar Research Secretariat](https:\/\/www.polar.se\/en\/expeditions\/previous-expeditions\/arctic\/synoptic-arctic-survey-2021\/).\r\n\r\nSub-bottom data were acquired using the [Kongsberg SBP 120 Sub-Bottom Profiler](https:\/\/www.kongsberg.com\/globalassets\/maritime\/km-products\/product-documents\/sbp-120-sub-bottom-profiler) (2\u2060\u200a\u2013\u200a\u20607 kHz; 3\u00b0 \u00d7 3\u00b0) chirp sonar installed onboard icebreaker Oden:\r\n- Pulse: 2.5\u2060\u200a\u2013\u200a\u20607 kHz chirp\r\n- Navigation data: GPS from Seatex Seapath 330 (data included in SEGY files)\r\n- Depth reference: Depth underneath transducer located 8 m below sea level.\r\n\r\nThe measurement equipment was running throughout the expedition.  Thus, data were collected along the ship track but there are some gaps at the beginning of the expedition.","category":"Marine","subcategory":"Sub-bottom profiles","keywords":"Marine geology; Chirp; Seismoacoustic; Sub-bottom profiling; Arctic Ocean; SAS 2021 expedition; Icebreaker Oden","scientist":"Julia Muchowski, Carlos Castro, Caroline Bringensparr, Alexandra Padilla, Serdar Sakinan, Pauline Snoeijs Leijonmalm, Christian Stranne, Martin Jakobsson","firstname":"Martin ","lastname":"Jakobsson","address":"Department of Geological Sciences; Stockholm University","postalcode":"SE-106 91","city":"Stockholm","province":"","country":"Sweden","parameters":"Earth science > Oceans > Bathymetry\/seafloor topography","location":"Ocean > Arctic Ocean","progress":"","language":"English","project":"Synoptic Arctic Survey (SAS) 2021 expedition","publisher":"Bolin Centre Database","version":"1","constrains":"","access":""}]