Under-ice temperature and salinity measurements at Ice Ridge Observatory during MOSAiC from an RBR Concerto CTD

Two RBR Concerto Conductivity Temperature Depth (CTD) sensors (SN 60611 & SN 60610) were deployed as part of the Sea Ice Ridge Observatory, also called Fort Ridge, in the Arctic Ocean during the 2nd leg of the MOSAiC ice drift expedition in February 2020. The CTDs are autonomous instruments that...

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Bibliographic Details
Main Authors: Muilwijk, Morven, Sundfjord, Arild, Divine, Dmitry V, Granskog, Mats A, Heuzé, Céline, Itkin, Polona, Kanzow, Torsten, Katlein, Christian, Kong, Bin, Kuznetsov, Ivan, Lange, Benjamin Allen, Liu, Halilong, Mallet, Maria, Mohrholz, Volker, Olsen, Lasse Mørk, Rabe, Benjamin, Raphael, Ian, Schaffer, Janin, Schuffenhauer, Ingo, Schulz, Kirstin, Shimanchuk, Egor, Sukhikh, Natalia, Tippenhauer, Sandra
Format: Dataset
Language:English
Published: PANGAEA 2022
Subjects:
Arctic
Arctic Ocean
CTD
RBR
RBRConcerto C.T.D.
CTD data
HAVOC
MOSAiC
MOSAIC_PO
MOSAiC20192020
MOSAiC expedition
Multidisciplinary drifting Observatory for the Study of Arctic Climate
Polarstern
PS122/2
PS122/2_14-310
PS122/3
PS122/3_28-144
RBR_CTD
ridge flank
Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean
Sea ice
Norway
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.942045
https://doi.org/10.1594/PANGAEA.942045
Description
Summary:Two RBR Concerto Conductivity Temperature Depth (CTD) sensors (SN 60611 & SN 60610) were deployed as part of the Sea Ice Ridge Observatory, also called Fort Ridge, in the Arctic Ocean during the 2nd leg of the MOSAiC ice drift expedition in February 2020. The CTDs are autonomous instruments that measured conductivity (salinity), temperature, and pressure (depth) approximately 2-3 m below the sea ice on either side of a large ice ridge. The RBR 60610 was lost due to ice rafting before data was downloaded. The RBR 60611 was recovered in May 2020, resulting in one time series between January 3rd and May 6th2020. RBR 60611 was redeployed on May 6th but also lost due to ice rafting shortly after. Each CTD was deployed together with a Nortek Signature1000 acoustic Doppler current profiler (doi:10.1594/PANGAEA.941882), installed at a 2 m distance. Here we describe the instrument hardware, setup, and processing that resulted in the final data set. The instruments were deployed as part of the project Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean (HAVOC), funded by the Research Council of Norway, project number: 280292.

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