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  • 1
    facet.materialart.
    Unknown
    Under-ice current measurements during MOSAiC from a 75 kHz acoustic Doppler profiler (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Horizontal ocean currents were measured from drifting sea ice, using an RD-Instruments 75 kHz ADCP (acoustic Doppler current profiler), Longranger, deployed pointing downward through an hydrohole on ice for all three drifts of the MOSAiC expedition between 30 November 2019 and 19 September 2020. Due to the unreliability of magnetic compasses at high latitudes, a GPS compass was used and the current profiles were recorded in beam coordinates. Geo-referenced, eastward and northward velocity components in the upper 500 m were obtained during post processing.
    Keywords: Acoustic Doppler Current Profiler; ADCP; Arctic; Arctic Ocean; Arctic Ocean mixing processes and vertical fluxes of energy and matter; AROMA; current; current meter; drift; ice; Mosaic; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; ocean; Polarstern; PS122/1; PS122/1_1-274; PS122/2; PS122/2_14-269; PS122/3; PS122/3_28-154; PS122/3_28-2; PS122/4; PS122/4_43-106; PS122/5; PS122/5_58-112
    Type: Dataset
    Format: application/x-hdf, 36.7 MBytes
    Location Call Number Limitation Availability
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  • 2
    facet.materialart.
    Unknown
    Under-ice temperature and salinity measurements at Ice Ridge Observatory during MOSAiC from an RBR Concerto CTD (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: 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.
    Keywords: Arctic; Arctic Ocean; CTD, RBR, RBRConcerto C.T.D.; CTD data; HAVOC; Mosaic; MOSAiC; MOSAIC_PO; MOSAiC20192020; 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
    Type: Dataset
    Format: application/x-netcdf, 60 MBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Under-ice current and turbulence measurements at Ice Ridge Observatory during MOSAiC from 2x Nortek Signature1000 Acoustic Doppler profilers (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Two Nortek Signature1000 acoustic Doppler current profilers (SN 100098 & SN 101048) 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 ADCPs are autonomous instruments that measured ice-relative horizontal and vertical ocean currents and turbulence in the upper ~20 m of the water column. The instruments were deployed under the ice, pointing downward on either side of a large ice ridge. In addition to currents, temperature, pressure, tilt, and compass direction were measured. Both instruments were eventually lost due to ice rafting, resulting in one time series between January 3rd and May 6th2020 and one between January 3rd and February 21st, 2020. 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.
    Keywords: ADCP data; Arctic; Arctic Ocean; Binary Object; Binary Object (File Size); BUOY_ADCP; Buoy, acoustic doppler current profiler; currents; Event label; HAVOC; Mosaic; MOSAiC; MOSAIC_PO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/2; PS122/2_14-307; PS122/2_14-308; ridge flank; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Sea ice; Turbulence
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    Ocean temperature, salinity and pressure time series from moored RBR Concerto and SBE Microcats during MOSAiC, from December 07 2019 to May 9 2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Time series of temperature, salinity and pressure were recorded by instruments moored under drifting sea ice during the international Multidisciplinary drifting Observatory for the Study of the Arctic Climate (MOSAiC) expedition. The instruments combined in this dataset were mounted on two different vertical lines suspended below the sea ice, horizontally separated by approximately 100 m, spanning similar time periods: •4 RBR Concerto CTDs were moored at depths of 7 m, 49 m, 97 m, and 202 m on a 200 m long thermistor string (the thermistor string itself did not return any data). Attached to the same mooring was also a MicroRider measuring temperature microstructure; this dataset is published separately. This mooring was deployed on Leg 1 (15.12.2019) and recovered on Leg 3 (09.05.2020). •3 Seabird SBE37 Microcat CTDs were mounted on the metal frames of the cluster mooring at nominal depths of 20, 50 and 100 m. This mooring was deployed during Leg 1 (07.12.2019) and recovered during Leg 4 (31.07.2020), but the instruments were operational only until 02.02.2020. The RBRs were set to a sampling interval of 15 sec, while the Microcats were set to an interval of 5 min. Further information about the moorings and their context can be obtained from the Overview of the MOSAiC expedition: Physical oceanography (Rabe et al. 2022). For quality control, we performed de-spiking of the data and bin-averaged to 1h time intervals. We then calibrated each instrument against the profiling CTD (ship- and ice-based, Tippenhauer et al. 2023): Temperature and salinity from each CTD cast during the deployment period were compared to the (1h- bin-averaged) data point of the moored instrument closest in depth and time. This produces a time series of differences for temperature and salinity. A linear fit was performed to these time series to determine offset and trend between the instruments. Both offset and trend were then applied to the quality controlled 1-h bin-averaged data of the moored instruments. In this dataset, we provide the quality controlled and calibrated data at 1h interval as well as raw data from the instruments together with essential meta-data.
    Keywords: Arctic; Arctic Ocean; CTD; CTD, RBR, RBRConcerto C.T.D.; CTD data; Event label; MOSAiC; MOSAiC20192020; MOSAiC expedition; MULT; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Multiple investigations; netCDF file; ocean; Other event; physical oceanography; Polarstern; PS122/1; PS122/1_1-292; PS122/2; PS122/2_14-311; PS122/3; PS122/3_28-145; PS122/3_28-146; PS122/3_28-147; PS122/3_28-148; PS122/3_28-149; PS122/4; PS122/4_43-146; RBR_CTD; T_CHAIN; Temperature sensor T-chain; Timeseries
    Type: Dataset
    Format: text/tab-separated-values, 14 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
    facet.materialart.
    Unknown
    Turbulent microstructure profile (MSS) measurements from the MOSAiC drift, Arctic Ocean (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: During the year-long drift expedition MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) from September 2019 to September 2020, we obtained an unprecedented data set of vertical turbulent dissipation rate profiles and high resolved hydrodynamic properties, including oxygen concentration and fluorescence, also covering the winter season. Nearly 1,700 individual profiles, covering the upper ocean down to approximately 400~m, were collected on a near-daily base and complemented with several periods of intensified continuous sampling.
    Keywords: Arctic Ocean; microstructure; Microstructure Profiler; MOSAiC; MOSAIC_PO; MOSAiC20192020; MOSAiC expedition; MSS; MSSP; Multidisciplinary drifting Observatory for the Study of Arctic Climate; PEANUTS; Polarstern; Primary productivity driven by escalating Arctic nutrient fluxes?; PS122/1; PS122/1_10-124; PS122/1_10-125; PS122/1_10-126; PS122/1_10-128; PS122/1_11-20; PS122/1_11-3; PS122/1_11-35; PS122/1_11-41; PS122/1_9-104; PS122/1_9-115; PS122/1_9-33; PS122/2; PS122/2_16-28; PS122/2_16-39; PS122/2_16-47; PS122/2_16-55; PS122/2_17-19; PS122/2_17-33; PS122/2_17-70; PS122/2_17-88; PS122/2_17-9; PS122/2_18-35; PS122/2_18-59; PS122/2_18-6; PS122/2_18-82; PS122/2_19-21; PS122/2_19-32; PS122/2_19-5; PS122/2_19-57; PS122/2_19-83; PS122/2_19-93; PS122/2_20-110; PS122/2_20-18; PS122/2_20-27; PS122/2_20-49; PS122/2_20-7; PS122/2_20-74; PS122/2_21-103; PS122/2_21-143; PS122/2_21-19; PS122/2_21-45; PS122/2_21-68; PS122/2_22-19; PS122/2_22-28; PS122/2_22-4; PS122/2_22-50; PS122/2_22-72; PS122/2_22-85; PS122/2_22-96; PS122/2_23-36; PS122/2_23-48; PS122/2_23-5; PS122/2_23-71; PS122/2_23-72; PS122/2_23-98; PS122/2_24-10; PS122/2_24-22; PS122/2_24-36; PS122/2_24-42; PS122/2_24-57; PS122/2_24-75; PS122/2_24-85; PS122/2_25-100; PS122/2_25-36; PS122/2_25-42; PS122/2_25-55; PS122/2_25-6; PS122/2_25-77; PS122/2_25-87; PS122/2_25-90; PS122/3; PS122/3_29-1; PS122/3_29-20; PS122/3_29-42; PS122/3_29-5; PS122/3_29-53; PS122/3_29-55; PS122/3_29-76; PS122/3_29-85; PS122/3_30-27; PS122/3_30-39; PS122/3_30-68; PS122/3_30-8; PS122/3_30-90; PS122/3_31-20; PS122/3_31-3; PS122/3_31-50; PS122/3_31-73; PS122/3_31-82; PS122/3_32-10; PS122/3_32-2; PS122/3_32-23; PS122/3_32-43; PS122/3_32-50; PS122/3_32-62; PS122/3_33-26; PS122/3_33-43; PS122/3_33-51; PS122/3_33-96; PS122/3_34-18; PS122/3_34-27; PS122/3_34-3; PS122/3_35-2; PS122/3_35-26; PS122/3_35-41; PS122/3_35-78; PS122/3_35-93; PS122/3_36-114; PS122/3_36-116; PS122/3_36-147; PS122/3_36-20; PS122/3_36-3; PS122/3_36-39; PS122/3_36-62; PS122/3_37-100; PS122/3_37-11; PS122/3_37-117; PS122/3_37-28; PS122/3_37-3; PS122/3_37-69; PS122/3_37-9; PS122/3_38-32; PS122/3_38-53; PS122/3_38-6; PS122/3_38-83; PS122/3_38-99; PS122/3_39-17; PS122/3_39-31; PS122/3_39-50; PS122/3_39-9; PS122/4; PS122/4_44-244; PS122/4_44-245; PS122/4_45-142; PS122/4_45-143; PS122/4_45-144; PS122/4_45-145; PS122/4_45-146; PS122/4_45-147; PS122/4_45-157; PS122/4_46-57; PS122/4_46-58; PS122/4_46-59; PS122/4_46-98; PS122/4_46-99; PS122/4_47-130; PS122/4_47-131; PS122/4_47-132; PS122/4_47-133; PS122/4_47-134; PS122/4_47-38; PS122/4_47-39; PS122/4_48-214; PS122/4_48-215; PS122/4_48-3; PS122/4_48-97; PS122/4_48-98; PS122/4_49-85; PS122/4_49-86; PS122/4_49-91; PS122/4_49-92; PS122/5; PS122/5_59-201; PS122/5_59-282; PS122/5_59-299; PS122/5_59-383; PS122/5_59-384; PS122/5_60-246; PS122/5_60-247; PS122/5_60-248; PS122/5_60-40; PS122/5_60-41; PS122/5_60-87; PS122/5_60-88; PS122/5_61-112; PS122/5_61-113; PS122/5_61-182; PS122/5_61-183; PS122/5_61-247; PS122/5_61-248; PS122/5_62-159; PS122/5_62-160; PS122/5_62-161; PS122/5_63-36; turbulence
    Type: Dataset
    Format: application/x-hdf, 232 MBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unknown
    Microstructure profiler raw data (MSS 90L sno 046) during legs 1-3 of the MOSAiC expedition in 2019/2020 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: During the MOSAiC drift, vertical profiles of turbulence and auxiliary parameters were measured with MSS microstructure profilers manufactured by Sea and Sun Technology, Germany. Here, the raw binary data from one of in total three different probes deployed during the drift is archived, in the instrument-specific .MRD data format. Every profile is stored in one individual binary file.
    Keywords: Arctic Ocean; Binary Object; DATE/TIME; Event label; LATITUDE; LONGITUDE; Microstructure Profiler; MOSAiC; MOSAiC20192020; MSSP; Multidisciplinary drifting Observatory for the Study of Arctic Climate; PEANUTS; Polarstern; Primary productivity driven by escalating Arctic nutrient fluxes?; PS122/1; PS122/1_10-124; PS122/1_10-125; PS122/1_10-126; PS122/1_10-128; PS122/1_11-20; PS122/1_11-3; PS122/1_11-35; PS122/1_11-41; PS122/1_9-104; PS122/1_9-115; PS122/1_9-33; PS122/2; PS122/2_16-28; PS122/2_16-39; PS122/2_16-47; PS122/2_16-55; PS122/2_17-19; PS122/2_17-33; PS122/2_17-70; PS122/2_17-88; PS122/2_17-9; PS122/2_18-35; PS122/2_18-59; PS122/2_18-6; PS122/2_18-82; PS122/2_19-21; PS122/2_19-32; PS122/2_19-5; PS122/2_19-57; PS122/2_19-83; PS122/2_19-93; PS122/2_20-110; PS122/2_20-18; PS122/2_20-27; PS122/2_20-49; PS122/2_20-7; PS122/2_20-74; PS122/2_21-103; PS122/2_21-143; PS122/2_21-19; PS122/2_21-45; PS122/2_21-68; PS122/2_22-19; PS122/2_22-28; PS122/2_22-4; PS122/2_22-50; PS122/2_22-72; PS122/2_22-85; PS122/2_22-96; PS122/2_23-36; PS122/2_23-48; PS122/2_23-5; PS122/2_23-72; PS122/2_23-98; PS122/2_24-10; PS122/2_24-22; PS122/2_24-36; PS122/2_24-42; PS122/2_24-57; PS122/2_24-75; PS122/2_24-85; PS122/2_25-100; PS122/2_25-36; PS122/2_25-42; PS122/2_25-55; PS122/2_25-6; PS122/2_25-77; PS122/2_25-87; PS122/2_25-90; PS122/3; PS122/3_29-1; PS122/3_29-20; PS122/3_29-42; PS122/3_29-5; PS122/3_29-53; PS122/3_29-55; PS122/3_29-76; PS122/3_29-85
    Type: Dataset
    Format: text/tab-separated-values, 833 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
    facet.materialart.
    Unknown
    Physical oceanography based on Ocean City CTD during POLARSTERN cruise PS122 (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: This data set contains the hydrographic profile data collected with a CTD rosette in a shelter on the ice (Ocean City) during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC). The CTD is an SBE911plus with 12 bottles, 5 liters each, operated with a small winch and crane in the shelter on the ice. The data set contains calibrated and quality-controlled parameters (temperature, conductivity, oxygen and their derived variables) as well as only pre-cruise calibrated parameters where no post-cruise calibration or quality control was applied (all other). CDOM fluorescence data are the exception. Quality control was performed but data have to be handled with care, as the sensor seems to have broken down during leg 3 such that no post-cruise calibration could be applied. The data are provided as text file (all cruise legs in one file) as well as in netCDF format (one file per cruise leg). The accuracy for salinity and conductivity is 0.004 while the accuracy for temperature is 0.002. Additional information on the sensor used for the final data set, the water depth as well as the availability of profile or bottle data is given in a separate info-text-file. Contact: Sandra.Tippenhauer@awi.de Quality flags are given based on paragraph 6. "Quality flags" from https://www.seadatanet.org/content/download/596/file/SeaDataNet_QC_procedures_V2_%28May_2010%29.pdf. QC flag meanings: 0 = unknown, 1 = good_data, 2 = probably good_data, 3 = probably bad data, 4 = bad data set to nan. This work was carried out and data was produced as part of the international Multidisciplinary drifting Observatory for the Study of the Arctic Climate (MOSAiC) with the tag MOSAiC20192020. We thank all persons involved in the expedition of the Research Vessel Polarstern during MOSAiC in 2019-2020 (AWI_PS122_00) as listed in Nixdorf et al. (2021).
    Keywords: Advective Pathways of nutrients and key Ecological substances in the ARctic; APEAR; Arctic Ocean; Attenuation, optical beam transmission; AWI_PhyOce; Chlorophyll a; Conductivity; CTD; CTD, Seabird; CTD, Sea-Bird, SBE 911plus; CTD, Sea-Bird, SBE 911plus, measured with Temperature sensor, Sea-Bird, SBE3plus; CTD, Sea-Bird, SBE 911plus; Calculation according to Bittig et al. (2018); CTD, Sea-Bird, SBE 911plus; Calculation according to McDougall and Barker (2011); CTD, Sea-Bird, SBE 911plus; measured with Conductivity sensor, Sea-Bird, SBE 4; CTD, Sea-Bird, SBE 911plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, Turner Designs, Cyclops-6k 2160-000-R; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, WET Labs, ECO FLRTD; CTD, Sea-Bird, SBE 911plus; measured with PAR sensor, Biospherical Instruments Inc., QCP2300-HP; CTD, Sea-Bird, SBE 911plus; measured with SPAR Sensor, Biospherical Instruments Inc., QCR2200; CTD, Sea-Bird, SBE 911plus; measured with Transmissometer, WET Labs, C-Star; CTD/Rosette; CTD-R; CTD-RO; DATE/TIME; Density, potential anomaly; DEPTH, water; Event label; Fluorescence, colored dissolved organic matter; HAVOC; LATITUDE; LONGITUDE; MOSAiC; MOSAIC_PO; MOSAiC20192020; MOSAiC expedition; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Oxygen; Oxygen, dissolved; Oxygen saturation; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS122/1; PS122/1_10-129; PS122/1_10-14; PS122/1_10-26; PS122/1_10-33; PS122/1_10-45; PS122/1_11-17; PS122/1_11-24; PS122/1_11-40; PS122/1_4-37; PS122/1_5-40; PS122/1_5-46; PS122/1_5-59; PS122/1_5-8; PS122/1_6-122; PS122/1_6-17; PS122/1_6-18; PS122/1_6-38; PS122/1_7-15; PS122/1_7-40; PS122/1_7-41; PS122/1_7-96; PS122/1_8-16; PS122/1_8-18; PS122/1_9-113; PS122/1_9-28; PS122/1_9-36; PS122/1_9-37; PS122/1_9-46; PS122/1_9-47; PS122/1_9-48; PS122/1_99-78; PS122/1_99-79; PS122/1_99-81; PS122/1_99-82; PS122/2; PS122/2_16-54; PS122/2_16-64; PS122/2_16-94; PS122/2_17-18; PS122/2_17-78; PS122/2_17-8; PS122/2_18-16; PS122/2_18-25; PS122/2_18-81; PS122/2_18-91; PS122/2_19-123; PS122/2_19-18; PS122/2_19-4; PS122/2_19-42; PS122/2_19-89; PS122/2_20-109; PS122/2_20-17; PS122/2_20-2; PS122/2_20-33; PS122/2_21-1; PS122/2_21-101; PS122/2_21-114; PS122/2_21-128; PS122/2_21-26; PS122/2_22-18; PS122/2_22-3; PS122/2_22-49; PS122/2_22-71; PS122/2_23-17; PS122/2_23-4; PS122/2_23-70; PS122/2_24-47; PS122/2_25-26; PS122/2_25-4; PS122/2_99-83; PS122/2_99-84; PS122/2_99-85; PS122/3; PS122/3_29-74; PS122/3_29-8; PS122/3_30-38; PS122/3_30-9; PS122/3_31-18; PS122/3_31-81; PS122/3_32-12; PS122/3_32-75; PS122/3_32-77; PS122/3_33-69; PS122/3_33-71; PS122/3_33-80; PS122/3_33-82; PS122/3_34-17; PS122/3_34-38; PS122/3_34-65; PS122/3_34-67; PS122/3_34-76; PS122/3_34-77; PS122/3_35-25; PS122/3_35-60; PS122/3_35-62; PS122/3_35-63; PS122/3_35-77; PS122/3_35-92; PS122/3_36-115; PS122/3_36-17; PS122/3_36-19; PS122/3_36-59; PS122/3_36-81; PS122/3_36-83; PS122/3_36-85; PS122/3_37-116; PS122/3_37-14; PS122/3_37-15; PS122/3_37-45; PS122/3_37-46; PS122/3_37-88; PS122/3_38-100; PS122/3_38-31; PS122/3_38-5; PS122/3_38-54; PS122/3_38-55; PS122/3_38-69; PS122/3_39-16; PS122/3_39-51; PS122/3_39-52; PS122/3_39-54; PS122/3_39-69; PS122/3_39-70; PS122/3_39-82; PS122/3_99-87; Quality flag, attenuation; Quality flag, chlorophyll; Quality flag, conductivity; Quality flag, conservative water temperature; Quality flag, density; Quality flag, fluorescence, colored dissolved organic matter; Quality flag, irradiance; Quality flag, oxygen; Quality flag, rhodamine; Quality flag, salinity; Quality flag, surface irradiance; Quality flag, water temperature; Radiation, photosynthetically active; Radiation, photosynthetically active, surface; Rhodamine; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Salinity, absolute; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, conservative; Temperature, water, potential; WAOW; Why is the deep Arctic Ocean Warming?
    Type: Dataset
    Format: text/tab-separated-values, 1345775 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
    facet.materialart.
    Unknown
    Physical oceanography based on ship CTD during POLARSTERN cruise PS122 (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: This data set contains the hydrographic profile data collected with the ship based CTD rosette during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC). The CTD is an SBE911plus with 24 bottles, 12 liters each, operated with a winch and crane on the side of Polarstern. The data set contains calibrated and quality-controlled parameters (temperature, conductivity, oxygen and their derived variables) as well as only pre-cruise calibrated parameters where no post-cruise calibration or quality control was applied (all other). CDOM fluorescence data are the exception. Quality control was performed but data have to be handled with care, as the sensor seems to have broken down during leg 3 such that no post-cruise calibration could be applied. The data are provided as text file (all cruise legs in one file) as well as in netCDF format (one file per cruise leg). The accuracy for salinity and conductivity is 0.004 while the accuracy for temperature is 0.002. Additional information on the sensor used for the final data set, the water depth as well as the availability of profile or bottle data is given in a separate info-text-file. Contact: Sandra.Tippenhauer@awi.de. Quality flags are given based on paragraph 6. "Quality flags" from https://www.seadatanet.org/content/download/596/file/SeaDataNet_QC_procedures_V2_%28May_2010%29.pdf. QC flag meanings: 0 = unknown, 1 = good_data, 2 = probably good_data, 3 = probably bad data, 4 = bad data set to nan. This work was carried out and data was produced as part of the international Multidisciplinary drifting Observatory for the Study of the Arctic Climate (MOSAiC) with the tag MOSAiC20192020. We thank all persons involved in the expedition of the Research Vessel Polarstern during MOSAiC in 2019-2020 (AWI_PS122_00) as listed in Nixdorf et al. (2021).
    Keywords: Advective Pathways of nutrients and key Ecological substances in the ARctic; APEAR; Arctic Ocean; Attenuation, optical beam transmission; AWI_PhyOce; Chlorophyll a; Conductivity; CTD; CTD, Sea-Bird, SBE 911plus; CTD, Sea-Bird, SBE 911plus, measured with Temperature sensor, Sea-Bird, SBE3plus; CTD, Sea-Bird, SBE 911plus; Calculation according to Bittig et al. (2018); CTD, Sea-Bird, SBE 911plus; Calculation according to McDougall and Barker (2011); CTD, Sea-Bird, SBE 911plus; measured with Conductivity sensor, Sea-Bird, SBE 4; CTD, Sea-Bird, SBE 911plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, Turner Designs, Cyclops-6k 2160-000-R; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, WET Labs, ECO FLRTD; CTD, Sea-Bird, SBE 911plus; measured with PAR sensor, Biospherical Instruments Inc., QCP2300-HP; CTD, Sea-Bird, SBE 911plus; measured with SPAR Sensor, Biospherical Instruments Inc., QCR2200; CTD, Sea-Bird, SBE 911plus; measured with Transmissometer, WET Labs, C-Star; CTD/Rosette; CTD-RO; DATE/TIME; Density, potential anomaly; DEPTH, water; Event label; Fluorescence, colored dissolved organic matter; HAVOC; LATITUDE; LONGITUDE; MOSAiC; MOSAIC_PO; MOSAiC20192020; MOSAiC expedition; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Oxygen; Oxygen, dissolved; Oxygen saturation; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS122/1; PS122/1_10-41; PS122/1_10-44; PS122/1_10-60; PS122/1_10-64; PS122/1_2-68; PS122/1_6-58; PS122/1_6-79; PS122/1_6-81; PS122/1_7-47; PS122/1_7-49; PS122/1_7-80; PS122/1_8-43; PS122/1_8-46; PS122/1_8-71; PS122/1_8-98; PS122/1_9-50; PS122/1_9-61; PS122/1_9-67; PS122/1_9-87; PS122/2; PS122/2_16-21; PS122/2_16-34; PS122/2_17-39; PS122/2_17-41; PS122/2_17-64; PS122/2_17-68; PS122/2_18-32; PS122/2_18-34; PS122/2_18-57; PS122/2_18-74; PS122/2_19-55; PS122/2_19-56; PS122/2_19-76; PS122/2_19-77; PS122/2_20-45; PS122/2_20-46; PS122/2_20-71; PS122/2_20-73; PS122/2_21-64; PS122/2_21-65; PS122/2_22-42; PS122/2_22-47; PS122/2_22-63; PS122/2_23-46; PS122/2_23-47; PS122/2_23-63; PS122/2_24-2; PS122/2_24-4; PS122/2_25-52; PS122/2_25-54; PS122/2_25-71; PS122/2_25-73; PS122/3; PS122/3_30-53; PS122/3_30-64; PS122/3_31-39; PS122/3_31-59; PS122/3_31-63; PS122/3_40-36; PS122/3_42-32; PS122/4; PS122/4_44-183; PS122/4_44-184; PS122/4_44-187; PS122/4_44-202; PS122/4_44-67; PS122/4_44-76; PS122/4_45-100; PS122/4_45-101; PS122/4_45-106; PS122/4_45-121; PS122/4_45-3; PS122/4_45-31; PS122/4_45-48; PS122/4_45-53; PS122/4_45-72; PS122/4_45-73; PS122/4_45-74; PS122/4_45-75; PS122/4_45-76; PS122/4_45-77; PS122/4_45-78; PS122/4_45-79; PS122/4_45-80; PS122/4_45-81; PS122/4_45-82; PS122/4_45-83; PS122/4_45-84; PS122/4_45-85; PS122/4_45-88; PS122/4_45-9; PS122/4_45-94; PS122/4_45-95; PS122/4_45-96; PS122/4_45-97; PS122/4_45-98; PS122/4_45-99; PS122/4_46-15; PS122/4_46-2; PS122/4_46-35; PS122/4_46-56; PS122/4_46-60; PS122/4_46-83; PS122/4_46-87; PS122/4_46-91; PS122/4_47-108; PS122/4_47-52; PS122/4_47-60; PS122/4_48-121; PS122/4_48-15; PS122/4_48-155; PS122/4_48-159; PS122/4_48-29; PS122/4_48-56; PS122/4_48-60; PS122/4_48-62; PS122/4_48-96; PS122/4_49-10; PS122/4_49-14; PS122/4_49-2; PS122/4_49-25; PS122/4_49-36; PS122/4_49-5; PS122/4_50-21; PS122/4_50-52; PS122/5; PS122/5_59-138; PS122/5_59-149; PS122/5_59-272; PS122/5_59-274; PS122/5_59-305; PS122/5_59-306; PS122/5_59-357; PS122/5_59-363; PS122/5_59-62; PS122/5_59-72; PS122/5_60-67; PS122/5_60-69; PS122/5_60-89; PS122/5_61-128; PS122/5_61-159; PS122/5_61-161; PS122/5_61-189; PS122/5_61-211; PS122/5_62-38; PS122/5_62-4; PS122/5_62-66; PS122/5_62-88; PS122/5_62-91; PS122/5_63-100; PS122/5_63-110; PS122/5_63-111; PS122/5_63-35; PS122/5_63-53; Quality flag, attenuation; Quality flag, chlorophyll; Quality flag, conductivity; Quality flag, conservative water temperature; Quality flag, density; Quality flag, fluorescence, colored dissolved organic matter; Quality flag, irradiance; Quality flag, oxygen; Quality flag, rhodamine; Quality flag, salinity; Quality flag, surface irradiance; Quality flag, water temperature; Radiation, photosynthetically active; Radiation, photosynthetically active, surface; Rhodamine; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Salinity, absolute; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, conservative; Temperature, water, potential; WAOW; Why is the deep Arctic Ocean Warming?
    Type: Dataset
    Format: text/tab-separated-values, 6733924 data points
    Location Call Number Limitation Availability
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  • 9
    facet.materialart.
    Unknown
    Microstructure profiler raw data (MSS091) during legs 4 and 5 of the MOSAiC expedition in 2020 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: During the MOSAiC drift, vertical profiles of turbulence and auxiliary parameters were measured with MSS microstructure profilers manufactured by Sea and Sun Technology, Germany. Here, the raw binary data from one of in total three different probes deployed during the drift is archived, in the instrument-specific .MRD data format. Every profile is stored in one individual binary file.
    Keywords: Arctic Ocean; Binary Object; DATE/TIME; Event label; LATITUDE; LONGITUDE; Microstructure Profiler; MOSAiC; MOSAiC20192020; MSSP; Multidisciplinary drifting Observatory for the Study of Arctic Climate; PEANUTS; Polarstern; Primary productivity driven by escalating Arctic nutrient fluxes?; PS122/4; PS122/4_44-244; PS122/4_44-245; PS122/4_45-142; PS122/4_45-143; PS122/4_45-144; PS122/4_45-145; PS122/4_45-146; PS122/4_45-147; PS122/4_45-157; PS122/4_46-57; PS122/4_46-58; PS122/4_46-59; PS122/4_46-98; PS122/4_46-99; PS122/4_47-130; PS122/4_47-131; PS122/4_47-132; PS122/4_47-133; PS122/4_47-134; PS122/4_47-38; PS122/4_47-39; PS122/4_48-214; PS122/4_48-215; PS122/4_48-3; PS122/4_48-97; PS122/4_48-98; PS122/4_49-85; PS122/4_49-86; PS122/4_49-91; PS122/4_49-92; PS122/5; PS122/5_59-201; PS122/5_59-282; PS122/5_59-299; PS122/5_59-383; PS122/5_59-384; PS122/5_60-246; PS122/5_60-247; PS122/5_60-248; PS122/5_60-40; PS122/5_60-41; PS122/5_60-87; PS122/5_60-88; PS122/5_61-112; PS122/5_61-113; PS122/5_61-182; PS122/5_61-183; PS122/5_61-247; PS122/5_61-248; PS122/5_62-159; PS122/5_62-160; PS122/5_62-161; PS122/5_63-36
    Type: Dataset
    Format: text/tab-separated-values, 579 data points
    Location Call Number Limitation Availability
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  • 10
    facet.materialart.
    Unknown
    Under-ice current and turbulence raw data (Nortek Signature1000 Acoustic Doppler profilers nortek_101408) at Ice Ridge Observatory during MOSAiC expedition (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Two Nortek Signature1000 acoustic Doppler current profilers (SN 100098 & SN 101048) 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 ADCPs are autonomous instruments that measured ice-relative horizontal and vertical ocean currents and turbulence in the upper ~20 m of the water column. The instruments were deployed under the ice, pointing downward on either side of a large ice ridge. In addition to currents, temperature, pressure, tilt, and compass direction were measured. Both instruments were eventually lost due to ice rafting, resulting in one time series between January 3rd and May 6th 2020 and one between January 3rd and February 21st, 2020. This dataset contains the rawdata for adcp_101408. Nortek Signature software (Nortek Discover) is needed to read and convert the data (https://www.nortekgroup.com/software). For more information see the Nortek Signature Principles of Operation (https://www.nortekgroup.com/assets/software/N3015-011-SignaturePrinciples.pdf). A processed and temporally averaged version of this dataset together with a data report can be found under doi:10.1594/PANGAEA.941882.
    Keywords: ADCP data; Arctic; Arctic Ocean; BUOY_ADCP; Buoy, acoustic doppler current profiler; currents; HAVOC; Mosaic; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/2; PS122/2_14-307; ridge flank; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Sea ice; Turbulence
    Type: Dataset
    Format: application/x-tar, 7.3 GBytes
    Location Call Number Limitation Availability
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