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  • 2020-2024  (17)
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  • 1
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    Multiomics in the central Arctic Ocean for benchmarking biodiversity change (2022)
    Public Library of Science (PLoS)
    In:  EPIC3PLOS Biology, Public Library of Science (PLoS), 20(10), pp. e3001835-e3001835, ISSN: 1544-9173
    Details
    Publication Date: 2023-06-21
    Description: Multiomics approaches need to be applied in the central Arctic Ocean to benchmark biodiversity change and to identify novel species and their genes. As part of MOSAiC, EcoOmics will therefore be essential for conservation and sustainable bioprospecting in one of the least explored ecosystems on Earth.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , NonPeerReviewed
    Format: application/pdf
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    PAPER (OA)
  • 2
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    Water column Chlorophyll a concentrations during the MOSAiC expedition (PS122) in the Central Arctic Ocean 2019-2020 (2023)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Description: Concentrations of Chlorophyll a and phaeopigments from CTD-rosette casts during the MOSAiC (PS122) drift expedition in the central Arctic Ocean. 2-4L of water were filtered onto precombusted GF/F filters (nominal pore size 0.7µm) and frozen at -80°C. Samples were subsequently extracted in 90°C acetone,homogenized using a cell mill, and meaured on the following day using a Turner flourometer, followed by an acidification step to determine pheopigments (see Knap et al. 1994 for details and calculations). Samples were collected roughly once per week from end of October 2019 to beginning of October 2020.
    Keywords: Acidification method according to Knap et al. (1996); Activity description; Arctic; Arctic Ocean; Cast number; Chl-a; Chlorophyll a; Collector; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Device type; Event label; Feature; LATITUDE; Leg Number; LONGITUDE; MOSAiC; MOSAiC_ECO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; phaeopigments; Phaeopigments; Phytoplankton; pigments; Pigments, Turner fluorometer; Polarstern; PS122/1; PS122/1_10-44; PS122/1_5-40; PS122/1_5-59; PS122/1_6-58; PS122/1_7-49; PS122/1_8-46; PS122/1_9-50; PS122/2; PS122/2_17-41; PS122/2_18-34; PS122/2_19-56; PS122/2_20-46; PS122/2_21-1; PS122/2_21-65; PS122/2_22-47; PS122/2_23-63; PS122/2_24-4; PS122/2_25-54; PS122/3; PS122/3_30-41; PS122/3_30-53; PS122/3_31-39; PS122/3_31-59; PS122/3_32-75; PS122/3_33-69; PS122/3_34-65; PS122/3_34-66; PS122/3_34-77; PS122/3_35-63; PS122/3_36-81; PS122/3_37-45; PS122/3_38-54; PS122/3_39-51; PS122/3_40-36; PS122/4; PS122/4_44-184; PS122/4_44-67; PS122/4_45-100; PS122/4_45-31; PS122/4_45-75; PS122/4_45-79; PS122/4_45-82; PS122/4_45-85; PS122/4_45-96; PS122/4_46-60; PS122/4_47-52; PS122/4_48-62; PS122/4_49-25; PS122/5; PS122/5_59-274; PS122/5_59-306; PS122/5_59-357; PS122/5_59-72; PS122/5_60-69; PS122/5_60-89; PS122/5_61-161; PS122/5_62-91; PS122/5_63-53; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 2273 data points
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    DATA PANGAEA
  • 3
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    First-year sea-ice salinity, temperature, density, oxygen and hydrogen isotope composition from the main coring site (MCS-FYI) during MOSAiC legs 1 to 4 in 2019/2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-01
    Description: First-year sea-ice thickness, draft, salinity, temperature, and density were measured during near-weekly surveys at the main first-year ice coring site (MCS-FYI) during the MOSAiC expedition (legs 1 to 4). The ice cores were extracted either with a 9-cm (Mark II) or 7.25-cm (Mark III) internal diameter ice corers (Kovacs Enterprise, US). This data set includes data from 23 coring site visits and were performed from 28 October 2019 to 29 July 2020 at coring locations within 130 m to each other in the MOSAiC Central Observatory. During each coring event, ice temperature was measured in situ from a separate temperature core, using Testo 720 thermometers in drill holes with a length of half-core-diameter at 5-cm vertical resolution. Ice bulk practical salinity was measured from melted core sections at 5-cm resolution using a YSI 30 conductivity meter. Ice density was measured using the hydrostatic weighing method (Pustogvar and Kulyakhtin, 2016) from a density core in the freezer laboratory onboard Polarstern at the temperature of –15°C. Relative volumes of brine and gas were estimated from ice salinity, temperature and density using Cox and Weeks (1983) for cold ice and Leppäranta and Manninen (1988) for ice warmer than –2°C. The data contains the event label (1), time (2), and global coordinates (3,4) of each coring measurement and sample IDs (13, 15). Each salinity core has its manually measured ice thickness (5), ice draft (6), core length (7), and mean snow height (22). Each core section has the total length of its top (8) and bottom (9) measured in situ, as well estimated depth of section top (10), bottom (11), and middle (12). The depth estimates assume that the total length of all core sections is equal to the measured ice thickness. Each core section has the value of its practical salinity (14), isotopic values (16, 17, 18) (Meyer et al., 2000), as well as sea ice temperature (19) and ice density (20) interpolated to the depth of salinity measurements. The global coordinates of coring sites were measured directly. When it was not possible, coordinates of the nearby temperature buoy 2019T66 were used. Ice mass balance buoy 2019T66 installation is described in doi:10.1594/PANGAEA.938134. Brine volume (21) fraction estimates are presented only for fraction values from 0 to 30%. Each core section also has comments (23) describing if the sample is from a false bottom, from rafted ice or has any other special characteristics. Macronutrients from the salinity core, and more isotope data will be published in a subsequent version of this data set.
    Keywords: Arctic; Arctic Ocean; Arctic Research Icebreaker Consortium: A strategy for meeting the needs for marine-based research in the Arctic; ARICE; Calculated; Comment; Core length; cores; DATE/TIME; density; Density, ice; Depth, adjusted; Depth, adjusted bottom; Depth, adjusted top; Depth, ice/snow, bottom/maximum; Depth, ice/snow, top/minimum; Deuterium excess; Ecological monitoring; Event label; HAVOC; Hydrostatic weighing; IC; Ice corer; ICEGAUGE; Ice thickness gauge; Isotopic liquid water analyzer; LATITUDE; LONGITUDE; MOSAiC; MOSAiC_ECO; MOSAiC_ICE; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Physical properties; Polarstern; PS122/1; PS122/1_10-19; PS122/1_5-3; PS122/1_6-34; PS122/1_7-6; PS122/1_7-97; PS122/1_8-2; PS122/1_9-6; PS122/1_9-93; PS122/2; PS122/2_17-3; PS122/2_19-7; PS122/2_21-13; PS122/2_23-3; PS122/2_24-8; PS122/3; PS122/3_32-63; PS122/3_35-11; PS122/3_36-21; PS122/3_38-24; PS122/3_39-7; PS122/4; PS122/4_44-134; PS122/4_46-18; PS122/4_47-16; PS122/4_48-23; PS122/4_49-34; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Salinometer, inductive; Sample ID; Sea ice; Sea ice draft; Sea ice salinity; Sea ice thickness; Snow height; Tape measure; Temperature; Temperature, ice/snow; Thermometer; time-series; Volume, brine; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 7847 data points
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    DATA PANGAEA
  • 4
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    Ridge snow oxygen and hydrogen isotope data MOSAiC Leg 4 (PS122/4) (2022)
    PANGAEA
    Details
    Publication Date: 2024-02-21
    Description: Oxygen (dO18) and hydrogen (dH) isotope ratio data from snow samples taken during MOSAiC leg 4 (PS122.4). Snow samples were taken from several locations around the central observatory (main ice floe. They were collected using a metal density cutter, placed in plastic cups with lids and melted at room temperature. Once completely melted, ~20 ml sub-samples were poured into 20 ml glass or plastic vials with lids and sealed with parafilm tape for isotope analyses. These samples were stored at +4°C. After the sub-samples were taken, bulk salinity was measured on the remaining water sample using a calibrated YSI 30 conductivity meter (practical salinity scale, unitless). The stable oxygen isotopic compositions of the melted snow samples (δ18O) were determined in the central laboratory of the Swiss Federal Institute for Forest, Snow and Landscape, Birmensdorf, Switzerland with an Isotopic Water Analyzer IWA-45-ER (ABB - Los Gatos Research Inc., US). Measurement uncertainty for δ18O is ±1‰, the precision ± 0.5‰. All samples were measured in duplicate and averaged. 169 The quality control was conducted with three standards for δ18O at 0.00‰, -12.34‰ and -55.50‰ and are presented as per mil difference relative to VSMOW (‰, Vienna Standard Mean Ocean Water).
    Keywords: Arctic Ocean; DATE/TIME; DEPTH, ice/snow; Event label; HAVOC; Ice type; isotope analysis; isotope ratios; Isotopic Water Analyzer IWA-45-ER (ABB - Los Gatos Research Inc., US), Swiss Federal Institute for Forest, Snow and Landscape, Birmensdorf; LATITUDE; Location; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; oxygen and hydrogen isotopes; Polarstern; PS122/4; PS122/4_44-215; PS122/4_44-216; PS122/4_45-108; PS122/4_45-16; PS122/4_45-18; PS122/4_45-87; PS122/4_46-107; PS122/4_46-110; PS122/4_46-135; PS122/4_46-29; PS122/4_48-142; PS122/4_48-143; PS122/4_48-144; PS122/4_48-146; PS122/4_48-177; PS122/4_49-47; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Sample ID; Sea ice; SNOWPIT; Snow pit; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 387 data points
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    DATA PANGAEA
  • 5
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    Ridge ice oxygen and hydrogen isotope data MOSAiC Leg 4 (PS122/4) (2022)
    PANGAEA
    Details
    Publication Date: 2024-02-21
    Description: Oxygen (dO18) and hydrogen (dH) isotope ratio data from sea ice samples taken during MOSAiC leg 4 (PS122/4). Sea ice samples were taken from Jaride and Alli's Ridge. Sea ice cores were extracted f 139 rom the ridges using a 9 cm inner diameter ice corer (Kovacs Enterprise Mark II coring system) powered by a cordless electric drill. Salinity/isotope ice cores were stored in sterile U-Lines bags (sections 〈 1 m), immediately placed in Styrofoam boxes and transported back to the ship within 2 hours of sampling. Ice cores were stored in a -20°C walk-in freezer until processing. The ice cores were cut into ~5 cm sections using a stainless steel, electric butcher band saw. To ensure we captured potential transition zones within the sea ice (i.e., rapid transitions in salinity), we only cut to the top or bottom of natural breaks in the ice cores (i.e., some sections were thicker or thinner than 5 cm but all in the range of 2-7 cm). The samples were placed in plastic cups with lids and melted at room temperature. Once completely melted, ~20 ml sub-samples were poured into 20 ml glass or plastic vials with lids and sealed with parafilm tape for isotope analyses. These samples were stored at +4°C. After the sub-samples were taken, bulk salinity was measured on the remaining water sample using a calibrated YSI 30 conductivity meter (practical salinity scale, unitless). The stable oxygen isotopic compositions of the melted ice samples (δ18O) were determined in the central laboratory of the Swiss Federal Institute for Forest, Snow and Landscape, Birmensdorf, Switzerland with an Isotopic Water Analyzer IWA-45-ER (ABB - Los Gatos Research Inc., US). Measurement uncertainty for δ18O is ±1‰, the precision ± 0.5‰. All samples were measured in duplicate and averaged. 169 The quality control was conducted with three standards for δ18O at 0.00‰, -12.34‰ and -55.50‰ and are presented as per mil difference relative to VSMOW (‰, Vienna Standard Mean Ocean Water).
    Keywords: Arctic Ocean; BHJ; Borehole Jack; Comment; DATE/TIME; DEPTH, ice/snow; Distance, from water level; Event label; HAVOC; IC; Ice corer; Ice draft; Ice thickness; isotope analysis; isotope ratios; Isotopic Water Analyzer IWA-45-ER (ABB - Los Gatos Research Inc., US), Swiss Federal Institute for Forest, Snow and Landscape, Birmensdorf; LATITUDE; Location; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; oxygen and hydrogen isotopes; Polarstern; PS122/4; PS122/4_46-178; PS122/4_47-157; PS122/4_47-199; PS122/4_48-229; PS122/4_49-117; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Sample ID; Sea ice; Sea ice freeboard; Snow height; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 4951 data points
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    DATA PANGAEA
  • 6
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    Pelagic protist (including phytoplankton) abundance and biodiversity data collected from the water column and water filled voids inside ridges during MOSAiC legs 2 to 4 in 2019/2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-20
    Description: The data has been collected during the the year-long drift expedition "Multidisciplinary drifting Observatory for the Study of Arctic Climate" (MOSAiC) from September 2019 to September 2020 on research vessel Polarstern. The samples were collected with Niskin bottles attached to a CTD rosette, an Apstein net with 20 µm mesh size, a hand pump or a pump mounted on a ROV. The samples were preserved using a few drops of Lugol and hexamethylenetetramine-buffered formalin at a final concentration of 1%. The samples were collected with Niskin bottles attached to a CTD rosette at the following depths: 5, 10, 30, 60, 90 m and deep chlorophyll max (DCM). Protists were identified and counted with light microscopy using the Utermöhl method and the result are given as cells per liter (cells/L) called Abundance.
    Keywords: Abundance; AIRS; Air sampler; Arctic Ocean; BEAST; Class; Comment; COND; Conductivity meter; Cruise/expedition; CTD/Rosette; CTD-RO; DATE/TIME; Date of determination; Depth, bathymetric; Depth, water, bottom/maximum; Depth, water, top/minimum; Diatom; Event label; Family; Field number description; Fields; Gear; Genus; Hand pump; HAVOC; HP; IC; Ice corer; Identification qualifier; Identification remarks; Individuals; Investigator; Laser Particle Sizer (LPS); LATITUDE; Life stage; Location; LONGITUDE; LPSIZ; Magnification; MOSAiC; MOSAiC_ECO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Order; Organism remarks; Phylum; Phytoplankton; Polarstern; protists; PS122/2; PS122/2_19-116; PS122/2_20-101; PS122/2_21-124; PS122/2_21-125; PS122/2_21-126; PS122/2_21-127; PS122/2_21-128; PS122/2_21-129; PS122/2_21-130; PS122/2_21-131; PS122/2_21-132; PS122/2_22-107; PS122/2_23-116; PS122/3; PS122/3_37-149; PS122/3_39-105; PS122/4; PS122/4_45-137; PS122/4_46-220; PS122/4_47-192; PS122/4_47-200; PS122/4_48-230; PS122/4_48-231; Quantitative phytoplankton method (Utermöhl, 1958); RADIO; Radiosonde; Remotely operated sensor platform BEAST; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Sample volume; Scientific name; Size group description; Snow sampler metal; SSM; Taxon/taxa, unique identification; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI)
    Type: Dataset
    Format: text/tab-separated-values, 20913 data points
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    DATA PANGAEA
  • 7
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    Sea-ice protist (including ice algae) abundance and biodiversity data from ice coring at the main coring sites (MCS_FYI and MCS_SYI) and ridges during MOSAiC legs 2 to 4 in 2019/2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Description: The data has been collected during the expedition "Multidisciplinary drifting Observatory for the Study of Arctic Climate" (MOSAiC) from September 2019 to September 2020 on research vessel Polarstern. The dataset contains abundance of sea ice protists, including ice algae (autotrophic) and protozoa (heterotrophic). Protists were identified and counted with light microscopy using the Utermöhl method and the result are given as cells per liter (cells/L) called Abundance. Sea ice samples were collected with a 9 cm diameter ice corer (Kovacs Enterprise) from both level and ridge ice. The samples were collected from the bottom part of the ice core and generally sectioned from 0-3 cm, 3-10 cm and in 10 cm intervals thereafter. With some exceptions, ice core sections were melted in filtered sea water at 4°C. Melted samples were preserved using Lugol-formaldehyde mixture with a few drops of acidic Lugol solution and hexamethylenetetramine-buffered formalin at a final concentrations of 1%.
    Keywords: Abundance; Abundance per area; Arctic Ocean; Class; Cruise/expedition; DATE/TIME; Date of determination; Depth, bathymetric; Depth, ice/snow, bottom/maximum; Depth, ice/snow, top/minimum; Diatom; Dilution factor; Event label; Family; Field number description; Fields; Gear; Genus; HAVOC; IC; ice algae; Ice corer; Identification qualifier; Identification remarks; Individuals; Investigator; LATITUDE; Life stage; Location; LONGITUDE; Magnification; MOSAiC; MOSAiC_ECO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Order; Organism remarks; Phylum; Polarstern; protists; PS122/2; PS122/2_18-61; PS122/2_19-116; PS122/2_20-5; PS122/2_21-124; PS122/2_23-3; PS122/3; PS122/3_37-32; PS122/3_39-104; PS122/4; PS122/4_45-131; PS122/4_46-178; PS122/4_47-199; PS122/4_48-229; Quantitative phytoplankton method (Utermöhl, 1958); Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Sample volume; Sea ice; Size group description; Taxon/taxa, unique identification; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI); Volume
    Type: Dataset
    Format: text/tab-separated-values, 51603 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
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    Protist (including algae) abundance and biodiversity data collected with short-term sediment traps deployed below level and ridged ice during MOSAiC legs 2 to 4 in 2019/2020 (2023)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Description: The data has been collected during the year-long drift expedition "Multidisciplinary drifting Observatory for the Study of Arctic Climate" (MOSAiC) from September 2019 to September 2020 on research vessel Polarstern. The dataset contains abundance of pelagic marine and sea ice protists, including algae (autotrophic) and protzoa (heterotrophic). Protists were identified and counted with light microscopy using the Utermöhl method and the result are given as cells per liter (cells/L) called Abundance. The samples were collected with short-term sediment traps deployed at 3-4 depths (1, 5, 15 and 50 m) below level ice and near sea-ice ridges. The samples were preserved with a few drops of Lugol and hexamethylenetetramine-buffered formalin at a final concentrations of 1%.
    Keywords: Abundance; Abundance per area; Arctic Ocean; Class; Cruise/expedition; DATE/TIME; Date of determination; Depth, bathymetric; Depth, water, bottom/maximum; Diatom; Duration, number of days; Event label; Family; Field number description; Fields; Flux; Gear; Genus; HAVOC; Identification qualifier; Identification remarks; Individuals; Investigator; LATITUDE; Life stage; Location; LONGITUDE; Magnification; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Order; Organism remarks; Phylum; Polarstern; protists; PS122/2; PS122/2_20-172; PS122/2_20-173; PS122/2_20-174; PS122/2_20-175; PS122/2_20-176; PS122/2_23-148; PS122/2_23-149; PS122/2_23-150; PS122/2_23-151; PS122/3; PS122/3_29-15; PS122/3_29-16; PS122/3_29-17; PS122/3_29-18; PS122/3_29-19; PS122/4; PS122/4_44-204; PS122/4_45-188; PS122/4_45-192; PS122/4_46-208; PS122/4_46-210; PS122/4_46-212; PS122/4_46-215; PS122/4_46-217; PS122/4_46-219; PS122/4_47-201; PS122/4_47-203; Quantitative phytoplankton method (Utermöhl, 1958); Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Sample volume; Scientific name; Size group description; Taxon/taxa, unique identification; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI); Trap, shorttime; TRAPST; Vertical export; Volume
    Type: Dataset
    Format: text/tab-separated-values, 32462 data points
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    DATA PANGAEA
  • 9
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    Dissolved inorganic carbon and total alkalinity of seawater samples during RV POLARSTERN expedition PS122 – MOSAiC (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-01
    Description: Discrete seawater samples for dissolved inorganic carbon (DIC) and total alkalinity (TA) were collected from the Polarstern (https://sensor.awi.de/?site=search&q=vessel:polarstern:ctd_sbe9plus_321) and Ocean City (https://sensor.awi.de/?site=search&q=vessel:polarstern:ctd_sbe9plus_935) CTD/Rosette systems during the Multidisciplinary drifting observatory for the study of Arctic Climate (MOSAiC) expedition, 20 September 2019 – 14 October 2020. Following Dickson et al. (2007), seawater samples were collected between 30 October 2019 and 28 September 2020 in borosilicate (3.3) bottles (250 ml), fixed with saturated mercuric chloride (HgCl₂) solution (100 µl), capped with greased (Apiezon® L) ground glass stoppers secured by insulating tape, and stored dark +4°C until post-cruise analysis at the Institute of Marine Research (IMR, Norway), University of East Anglia (UEA, UK), and Hokkaido University (Japan). DIC was determined by coulometric titration (Johnson et al., 1985) using a Versatile INstrument for the Determination of Total inorganic carbon and titration Alkalinity (VINDTA 3C, Marianda, Germany) at UEA, a VINDTA 3D at IMR, and a custom-built extraction system at Hokkaido University (Ono et al., 1998). TA was determined by potentiometric titration using a VINDTA 3C at UEA, a Versatile Instrument for the Determination of Titration Alkalinity (VINDTA 3S, Marianda, Germany) at IMR, and a TA analyzer ATT-05 (Kimoto Electric Co., Ltd., Japan) at Hokkaido University. The accuracy for both DIC and TA was set at IMR and UEA by routine analysis of certified reference material (CRM batch #182, #191) distributed by A. G. Dickson (Scripps Institution of Oceanography, La Jolla, CA, USA). Reference materials (Batch AR and AU; KANSO Technos Co., Ltd., Osaka, Japan), traceable to the Scripps CO₂ CRM, were used at Hokkaido University. Analytical precision for DIC and TA content is 〈 ±2 μmol/kg and 〈 ±2 μmol/kg, respectively, based on CRM replicates. Based on secondary quality control (Jutterström et al., 2010; Tanhua et al., 2010), DIC and TA were adjusted by -8 µmol/kg and -23 µmol/kg, respectively, for events PS122/1_7-49, PS122/1_8-46, PS122/1_9-50, and PS122/1_10-45. Data quality is indicated by flags following the consolidated WOCE system of Jiang et al. (2022).
    Keywords: Alkalinity, total; Arctic Ocean; Bottle number; Carbon, inorganic, dissolved; Carbonate chemistry; Coulometric titration according to Johnson et al. 1985; measured with total inorganic carbon and titration alkalinity analyzer, Marianda, VINDTA; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Dissolved inorganic carbon; ELEVATION; Event label; HAVOC; LATITUDE; LONGITUDE; Mosaic; MOSAiC; MOSAiC_ECO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; Pressure, water; PS122/1; PS122/1_10-44; PS122/1_5-40; PS122/1_6-58; PS122/1_7-49; PS122/1_8-46; PS122/1_9-50; PS122/2; PS122/2_17-41; PS122/2_18-34; PS122/2_19-56; PS122/2_20-46; PS122/2_21-65; PS122/2_22-47; PS122/2_23-63; PS122/2_25-54; PS122/3; PS122/3_30-41; PS122/3_30-53; PS122/3_31-59; PS122/3_32-75; PS122/3_33-69; PS122/3_34-67; PS122/3_34-77; PS122/3_35-63; PS122/3_35-77; PS122/3_36-59; PS122/3_36-81; PS122/3_37-45; PS122/3_37-88; PS122/3_38-54; PS122/3_38-69; PS122/3_39-51; PS122/3_40-36; PS122/4; PS122/4_44-184; PS122/4_44-67; PS122/4_45-100; PS122/4_45-3; PS122/4_45-31; PS122/4_45-75; PS122/4_45-79; PS122/4_45-82; PS122/4_45-85; PS122/4_45-96; PS122/4_46-60; PS122/4_47-108; PS122/4_47-60; PS122/4_48-15; PS122/4_48-62; PS122/4_49-14; PS122/4_49-25; PS122/5; PS122/5_59-149; PS122/5_59-274; PS122/5_59-306; PS122/5_59-357; PS122/5_59-363; PS122/5_59-62; PS122/5_59-72; PS122/5_60-69; PS122/5_60-89; PS122/5_61-161; PS122/5_61-189; PS122/5_61-211; PS122/5_62-38; PS122/5_62-66; PS122/5_62-91; PS122/5_63-111; PS122/5_63-35; PS122/5_63-53; Quality flag, alkalinity, total; Quality flag, carbon, organic, dissolved; Quality flag, salinity; Quality flag, water temperature; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; Salinity; Temperature, water; Total alkalinity; Uniform resource locator/link to sensor metadata; World Oceans Circulation Experiment (WOCE) quality flags according to Jiang et al. (2022)
    Type: Dataset
    Format: text/tab-separated-values, 8580 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
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    Unknown
    Physical oceanography water bottle samples based on Ocean City CTD during POLARSTERN cruise PS122 (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-13
    Description: This data set contains the hydrographic water sample 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. Due to issues during processing SPAR data is missing in the bottle data. 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; Bottle number; 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/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_10-14; PS122/1_10-26; PS122/1_10-45; PS122/1_11-17; PS122/1_11-40; PS122/1_4-37; PS122/1_5-40; PS122/1_5-46; PS122/1_5-59; PS122/1_6-122; PS122/1_6-17; PS122/1_6-38; PS122/1_7-15; PS122/1_7-40; PS122/1_8-16; PS122/1_9-28; PS122/1_9-47; PS122/1_99-78; PS122/1_99-80; PS122/1_99-81; PS122/1_99-82; PS122/2; PS122/2_16-54; PS122/2_16-94; PS122/2_17-18; PS122/2_17-7; PS122/2_17-78; PS122/2_17-8; PS122/2_18-16; PS122/2_18-5; PS122/2_18-81; PS122/2_19-18; PS122/2_19-4; PS122/2_19-89; PS122/2_20-109; PS122/2_20-17; PS122/2_20-2; 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_23-97; PS122/2_24-47; PS122/2_25-26; PS122/2_25-4; PS122/3; PS122/3_29-74; PS122/3_29-8; PS122/3_30-38; PS122/3_30-40; PS122/3_30-41; PS122/3_30-9; PS122/3_31-18; PS122/3_31-19; PS122/3_31-81; PS122/3_32-12; PS122/3_32-38; PS122/3_32-75; PS122/3_32-76; PS122/3_32-77; PS122/3_33-69; PS122/3_33-70; PS122/3_33-71; PS122/3_33-80; PS122/3_33-82; PS122/3_34-17; PS122/3_34-64; PS122/3_34-65; PS122/3_34-66; PS122/3_34-67; PS122/3_34-76; PS122/3_34-77; PS122/3_35-25; PS122/3_35-60; PS122/3_35-61; 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_36-18; PS122/3_36-19; PS122/3_36-59; PS122/3_36-81; PS122/3_36-83; PS122/3_36-84; 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_37-47; PS122/3_37-88; PS122/3_37-99; PS122/3_38-100; PS122/3_38-31; PS122/3_38-5; PS122/3_38-54; PS122/3_38-55; PS122/3_38-56; PS122/3_38-69; PS122/3_39-16; PS122/3_39-51; PS122/3_39-52; PS122/3_39-53; PS122/3_39-54; PS122/3_39-69; PS122/3_39-70; PS122/3_39-82; PS122/3_99-86; 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, water temperature; Radiation, photosynthetically active; 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, 34836 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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