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  • 1
    facet.materialart.
    Unknown
    Physical oceanography from 89 XCTD stations during POLARSTERN cruise ARK-XXII/2 (SPACE) (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Keywords: Arctic Ocean; ARK-XXII/2; AWI_PhyOce; Calculated; Conductivity; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Expendable CTD; Laptev Sea; Latitude of event; Longitude of event; Optional event label; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS70/240-2; PS70/241-1; PS70/242-1; PS70/242-2; PS70/244-1; PS70/245-1; PS70/247-1; PS70/249-2; PS70/250-1; PS70/251-1; PS70/252-2; PS70/253-1; PS70/254-1; PS70/255-4; PS70/266-5; PS70/268-2; PS70/274-10; PS70/274-6; PS70/274-7; PS70/274-8; PS70/274-9; PS70/276-10; PS70/276-11; PS70/276-12; PS70/276-9; PS70/304-1; PS70/309-9; PS70/311-1; PS70/311-2; PS70/312-5; PS70/313-1; PS70/315-1; PS70/316-2; PS70/323-2; PS70/323-3; PS70/325-1; PS70/326-2; PS70/327-1; PS70/328-4; PS70/329-1; PS70/332-1; PS70/334-1; PS70/334-2; PS70/336-1; PS70/337-1; PS70/337-2; PS70/337-3; PS70/337-4; PS70/337-5; PS70/337-6; PS70/337-7; PS70/337-8; PS70/339-1; PS70/339-2; PS70/341-1; PS70/342-10b; PS70/342-11b; PS70/342-12; PS70/342-13; PS70/342-14; PS70/342-15; PS70/342-16; PS70/344-1; PS70/347-1; PS70/348-1; PS70/350-1; PS70/353-1; PS70/354-1; PS70/355-1; PS70/356-1; PS70/357-1; PS70/359-1; PS70/360-1; PS70/361-1; PS70/366-1; PS70/367-2; PS70/368-1; PS70/369-1; PS70/370-1; PS70/387-3; PS70/388-1; PS70/390-1; PS70/392-1; PS70/393-1; PS70/395-1; PS70/396-1; PS70/398-1; PS70/399-1; PS70/400-4; PS70/XCTD10-1; PS70/XCTD1-1; PS70/XCTD11-1; PS70/XCTD12-1; PS70/XCTD13-1; PS70/XCTD14-1; PS70/XCTD15-1; PS70/XCTD16-1; PS70/XCTD17-1; PS70/XCTD18-1; PS70/XCTD19-1; PS70/XCTD20-1; PS70/XCTD2-1; PS70/XCTD21-1; PS70/XCTD22-1; PS70/XCTD23-1; PS70/XCTD24-1; PS70/XCTD25-1; PS70/XCTD26-1; PS70/XCTD27-1; PS70/XCTD28-1; PS70/XCTD29-1; PS70/XCTD30-1; PS70/XCTD3-1; PS70/XCTD31-1; PS70/XCTD32-1; PS70/XCTD33-1; PS70/XCTD34-1; PS70/XCTD35-1; PS70/XCTD36-1; PS70/XCTD37-1; PS70/XCTD38-1; PS70/XCTD39-1; PS70/XCTD40-1; PS70/XCTD4-1; PS70/XCTD41-1; PS70/XCTD42-1; PS70/XCTD43-1; PS70/XCTD44-1; PS70/XCTD45-1; PS70/XCTD46-1; PS70/XCTD47-1; PS70/XCTD48-1; PS70/XCTD49-1; PS70/XCTD50-1; PS70/XCTD5-1; PS70/XCTD51-1; PS70/XCTD52-1; PS70/XCTD53-1; PS70/XCTD54-1; PS70/XCTD55-1; PS70/XCTD56-1; PS70/XCTD57-1; PS70/XCTD58-1; PS70/XCTD59-1; PS70/XCTD60-1; PS70/XCTD6-1; PS70/XCTD61-1; PS70/XCTD62-1; PS70/XCTD63-1; PS70/XCTD64-1; PS70/XCTD65-1; PS70/XCTD66-1; PS70/XCTD67-1; PS70/XCTD68-1; PS70/XCTD69-1; PS70/XCTD70-1; PS70/XCTD7-1; PS70/XCTD71-1; PS70/XCTD72-1; PS70/XCTD73-1; PS70/XCTD74-1; PS70/XCTD75-1; PS70/XCTD76-1; PS70/XCTD77-1; PS70/XCTD78-1; PS70/XCTD79-1; PS70/XCTD80-1; PS70/XCTD8-1; PS70/XCTD81-1; PS70/XCTD82-1; PS70/XCTD83-1; PS70/XCTD84-1; PS70/XCTD85-1; PS70/XCTD86-1; PS70/XCTD87-1; PS70/XCTD88-1; PS70/XCTD89-1; PS70/XCTD9-1; PS70 SPACE DAMOCLES; Salinity; Temperature, water; Temperature, water, potential; XCTD; XCTD, TSK_MK-150N/LM3A, Type: XCTD-1
    Type: Dataset
    Format: text/tab-separated-values, 524442 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Physical oceanography from 139 XCTD stations during POLARSTERN cruise ARK-XXIII/3 (AMEX I) (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Keywords: Arctic Ocean; ARK-XXIII/3; AWI_PhyOce; Beaufort Sea; Calculated; Conductivity; Date/Time of event; Density, sigma-theta (0); DEPTH, water; East Siberian Sea; Elevation of event; Event label; Expendable CTD; Laptev Sea; Latitude of event; Longitude of event; MULT; Multiple investigations; Optional event label; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS72; PS72/292-1; PS72/293-1; PS72/294-1; PS72/295-1; PS72/296-1; PS72/297-1; PS72/298-1; PS72/299-1; PS72/300-1; PS72/301-1; PS72/302-1; PS72/303-1; PS72/304-1; PS72/306-1; PS72/307-1; PS72/309-1; PS72/311-1; PS72/312-1; PS72/313-1; PS72/314-1; PS72/315-1; PS72/316-1; PS72/317-1; PS72/318-1; PS72/319-1; PS72/320-1; PS72/321-1; PS72/323-1; PS72/324-1; PS72/325-1; PS72/326-1; PS72/327-1; PS72/328-1; PS72/329-1; PS72/330-1; PS72/331-1; PS72/332-1; PS72/333-1; PS72/334-1; PS72/335-1; PS72/336-1; PS72/337-1; PS72/338-1; PS72/345-1; PS72/346-1; PS72/347-1; PS72/348-1; PS72/349-1; PS72/352-1; PS72/353-1; PS72/354-1; PS72/355-1; PS72/356-1; PS72/357-1; PS72/358-1; PS72/359-1; PS72/360-1; PS72/361-1; PS72/362-1; PS72/362-2; PS72/363-1; PS72/364-1; PS72/365-1; PS72/366-1; PS72/367-1; PS72/368-1; PS72/369-1; PS72/370-1; PS72/371-1; PS72/372-1; PS72/373-1; PS72/374-1; PS72/375-1; PS72/376-1; PS72/377-1; PS72/378-1; PS72/379-1; PS72/380-1; PS72/381-1; PS72/382-1; PS72/383-1; PS72/384-1; PS72/385-1; PS72/386-1; PS72/387-1; PS72/388-1; PS72/389-1; PS72/390-1; PS72/391-1; PS72/394-1; PS72/395-1; PS72/398-1; PS72/402-1; PS72/403-1; PS72/407-1; PS72/407-2; PS72/409-1; PS72/411-1; PS72/412-1; PS72/416-1; PS72/417-1; PS72/420-1; PS72/421-1; PS72/425-1; PS72/426-1; PS72/428-1; PS72/429-1; PS72/432-1; PS72/433-1; PS72/434-1; PS72/435-1; PS72/436-1; PS72/437-1; PS72/440-1; PS72/441-1; PS72/442-2; PS72/444-1; PS72/445-2; PS72/448-1; PS72/449-1; PS72/450-1; PS72/453-1; PS72/454-1; PS72/457-1; PS72/458-1; PS72/461-1; PS72/461-2; PS72/462-1; PS72/464-1; PS72/465-1; PS72/468-1; PS72/469-1; PS72/470-1; PS72/473-1; PS72/474-1; PS72/475-1; PS72/476-1; PS72/476-2; PS72/477-1; PS72/XCTD100-1; PS72/XCTD10-1; PS72/XCTD101-1; PS72/XCTD102-1; PS72/XCTD103-1; PS72/XCTD105-1; PS72/XCTD106-1; PS72/XCTD107-1; PS72/XCTD108-1; PS72/XCTD109-1; PS72/XCTD1-1; PS72/XCTD110-1; PS72/XCTD11-1; PS72/XCTD111-1; PS72/XCTD112-1; PS72/XCTD113-1; PS72/XCTD114-1; PS72/XCTD115-1; PS72/XCTD116-1; PS72/XCTD117-1; PS72/XCTD118-1; PS72/XCTD120-1; PS72/XCTD12-1; PS72/XCTD121-1; PS72/XCTD122-1; PS72/XCTD123-1; PS72/XCTD124-1; PS72/XCTD125-1; PS72/XCTD126-1; PS72/XCTD127-1; PS72/XCTD128-1; PS72/XCTD129-1; PS72/XCTD130-1; PS72/XCTD13-1; PS72/XCTD131-1; PS72/XCTD132-1; PS72/XCTD133-1; PS72/XCTD134-1; PS72/XCTD135-1; PS72/XCTD136-1; PS72/XCTD138-1; PS72/XCTD139-1; PS72/XCTD140-1; PS72/XCTD14-1; PS72/XCTD141-1; PS72/XCTD142-1; PS72/XCTD15-1; PS72/XCTD16-1; PS72/XCTD17-1; PS72/XCTD18-1; PS72/XCTD19-1; PS72/XCTD20-1; PS72/XCTD2-1; PS72/XCTD21-1; PS72/XCTD22-1; PS72/XCTD23-1; PS72/XCTD24-1; PS72/XCTD25-1; PS72/XCTD26-1; PS72/XCTD27-1; PS72/XCTD28-1; PS72/XCTD29-1; PS72/XCTD30-1; PS72/XCTD3-1; PS72/XCTD31-1; PS72/XCTD32-1; PS72/XCTD33-1; PS72/XCTD34-1; PS72/XCTD35-1; PS72/XCTD36-1; PS72/XCTD37-1; PS72/XCTD38-1; PS72/XCTD39-1; PS72/XCTD40-1; PS72/XCTD4-1; PS72/XCTD41-1; PS72/XCTD42-1; PS72/XCTD43-1; PS72/XCTD44-1; PS72/XCTD45-1; PS72/XCTD46-1; PS72/XCTD47-1; PS72/XCTD48-1; PS72/XCTD49-1; PS72/XCTD50-1; PS72/XCTD5-1; PS72/XCTD51-1; PS72/XCTD52-1; PS72/XCTD53-1; PS72/XCTD54-1; PS72/XCTD55-1; PS72/XCTD56-1; PS72/XCTD57-1; PS72/XCTD58-1; PS72/XCTD59-1; PS72/XCTD60-1; PS72/XCTD6-1; PS72/XCTD61-1; PS72/XCTD62-1; PS72/XCTD63-1; PS72/XCTD64-1; PS72/XCTD65-1; PS72/XCTD66-1; PS72/XCTD67-1; PS72/XCTD68-1; PS72/XCTD69-1; PS72/XCTD70-1; PS72/XCTD7-1; PS72/XCTD71-1; PS72/XCTD72-1; PS72/XCTD73-1; PS72/XCTD74-1; PS72/XCTD75-1; PS72/XCTD76-1; PS72/XCTD77-1; PS72/XCTD78-1; PS72/XCTD79-1; PS72/XCTD80-1; PS72/XCTD8-1; PS72/XCTD81-1; PS72/XCTD82-1; PS72/XCTD83-1; PS72/XCTD84-1; PS72/XCTD85-1; PS72/XCTD86-1; PS72/XCTD87-1; PS72/XCTD88-1; PS72/XCTD89-1; PS72/XCTD90-1; PS72/XCTD9-1; PS72/XCTD91-1; PS72/XCTD92-1; PS72/XCTD93-1; PS72/XCTD94-1; PS72/XCTD95-1; PS72/XCTD96-1; PS72/XCTD97-1; PS72/XCTD98-1; PS72/XCTD99-1; Salinity; Temperature, water; Temperature, water, potential; XCTD; XCTD, TSK_MK-150N/LM3A, Type: XCTD-1
    Type: Dataset
    Format: text/tab-separated-values, 668064 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Physical oceanography from 15 XCTD stations during POLARSTERN cruise PS86 (ARK-XXVIII/3 AURORA) (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Keywords: Arctic Ocean; ARK-XXVIII/3 AURORA; AWI_PhyOce; Calculated; Conductivity; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Expendable CTD; Latitude of event; Longitude of event; North Greenland Sea; Optional event label; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS86; PS86/001-1; PS86/002-1; PS86/003-1; PS86/004-1; PS86/005-1; PS86/007-1; PS86/008-1; PS86/009-1; PS86/010-1; PS86/011-1; PS86/012-1; PS86/013-1; PS86/015-1; PS86/016-1; PS86/017-1; PS86/XCTD1; PS86/XCTD10; PS86/XCTD11; PS86/XCTD12; PS86/XCTD13; PS86/XCTD14; PS86/XCTD15; PS86/XCTD2; PS86/XCTD3; PS86/XCTD4; PS86/XCTD5; PS86/XCTD6; PS86/XCTD7; PS86/XCTD8; PS86/XCTD9; Salinity; Temperature, water; Temperature, water, potential; XCTD; XCTD, TSK_MK-150N/LM3A, Type: XCTD-1
    Type: Dataset
    Format: text/tab-separated-values, 86130 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    Physical oceanography from 49 XCTD stations during POLARSTERN cruise PS87 (ARK-XXVIII/4) (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Keywords: Arctic Ocean; ARK-XXVIII/4 ALEX2014; AWI_PhyOce; Calculated; Conductivity; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Expendable CTD; Latitude of event; Longitude of event; North Greenland Sea; Optional event label; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS87; PS87/002-1; PS87/006-1; PS87/007-1; PS87/008-1; PS87/009-1; PS87/010-1; PS87/011-1; PS87/012-1; PS87/013-1; PS87/014-1; PS87/015-1; PS87/016-1; PS87/017-1; PS87/018-1; PS87/019-1; PS87/020-1; PS87/021-1; PS87/022-1; PS87/024-1; PS87/025-1; PS87/027-1; PS87/027-2; PS87/028-1; PS87/030-4; PS87/032-1; PS87/033-1; PS87/035-4; PS87/036-1; PS87/038-1; PS87/039-1; PS87/041-1; PS87/042-1; PS87/043-1; PS87/044-1; PS87/048-1; PS87/049-1; PS87/053-1; PS87/053-2; PS87/054-1; PS87/057-1; PS87/058-1; PS87/059-1; PS87/061-1; PS87/062-1; PS87/063-1; PS87/064-1; PS87/065-1; PS87/066-1; PS87/085-1; PS87/XCTD16; PS87/XCTD17; PS87/XCTD18; PS87/XCTD19; PS87/XCTD20; PS87/XCTD21; PS87/XCTD22; PS87/XCTD23; PS87/XCTD24; PS87/XCTD25; PS87/XCTD26; PS87/XCTD27; PS87/XCTD28; PS87/XCTD29; PS87/XCTD30; PS87/XCTD31; PS87/XCTD32; PS87/XCTD33; PS87/XCTD34; PS87/XCTD35; PS87/XCTD37; PS87/XCTD38; PS87/XCTD39; PS87/XCTD40; PS87/XCTD41; PS87/XCTD42; PS87/XCTD43; PS87/XCTD44; PS87/XCTD45; PS87/XCTD46; PS87/XCTD47; PS87/XCTD50; PS87/XCTD51; PS87/XCTD52; PS87/XCTD53; PS87/XCTD54; PS87/XCTD55; PS87/XCTD56; PS87/XCTD57; PS87/XCTD58; PS87/XCTD59; PS87/XCTD60; PS87/XCTD61; PS87/XCTD62; PS87/XCTD63; PS87/XCTD64; PS87/XCTD65; PS87/XCTD66; Salinity; Temperature, water; Temperature, water, potential; XCTD; XCTD, TSK_MK-150N/LM3A, Type: XCTD-1
    Type: Dataset
    Format: text/tab-separated-values, 250902 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
    facet.materialart.
    Unknown
    Physical oceanography from 86 XCTD stations during POLARSTERN cruise ARK-XXVII/3 (IceArc) (2015)
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: ARK-XXVII/3; AWI_PhyOce; Calculated; Conductivity; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Expendable CTD; Latitude of event; Longitude of event; Optional event label; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS80/202-2; PS80/209-2; PS80/209-3; PS80/212-2; PS80/213-2; PS80/214-2; PS80/214-3; PS80/234-2; PS80/234-3; PS80/234-4; PS80/234-5; PS80/235-2; PS80/235-3; PS80/267-1; PS80/267-3; PS80/267-4; PS80/268-2; PS80/268-3; PS80/269-2; PS80/269-3; PS80/270-2; PS80/270-3; PS80/271-2; PS80/287-1; PS80/287-2; PS80/287-4; PS80/287-5; PS80/287-6; PS80/288-2; PS80/288-3; PS80/288-4; PS80/289-2; PS80/291-2; PS80/291-3; PS80/293-2; PS80/293-3; PS80/293-4; PS80/294-2; PS80/294-3; PS80/295-2; PS80/295-3; PS80/297-2; PS80/301-2; PS80/301-3; PS80/301-4; PS80/301-5; PS80/301-6; PS80/301-7; PS80/305-2; PS80/305-3; PS80/305-4; PS80/305-5; PS80/305-6; PS80/305-7; PS80/311-2; PS80/311-3; PS80/314-2; PS80/314-3; PS80/315-2; PS80/315-3; PS80/315-4; PS80/316-2; PS80/316-3; PS80/317-2; PS80/317-3; PS80/317-4; PS80/317-5; PS80/333-3; PS80/348-1; PS80/348-2; PS80/348-3; PS80/348-4; PS80/348-5; PS80/373-2; PS80/379-2; PS80/397-2; PS80/HELI-10_XCTD-1; PS80/HELI-14_XCTD-1; PS80/HELI-14_XCTD-2; PS80/HELI-49_XCTD-1; PS80/HELI-56_XCTD-1; PS80/HELI-56_XCTD-2; PS80/HELI-56_XCTD-3; PS80/HELI-59_XCTD-1; PS80/HELI-62_XCTD-1; PS80/HELI-7_XCTD-1; PS80/XCTD10-1; PS80/XCTD1-1; PS80/XCTD11-1; PS80/XCTD12-1; PS80/XCTD13-1; PS80/XCTD14-1; PS80/XCTD15-1; PS80/XCTD16-1; PS80/XCTD17-1; PS80/XCTD19-1; PS80/XCTD2-1; PS80/XCTD21-1; PS80/XCTD22-1; PS80/XCTD23-1; PS80/XCTD24-1; PS80/XCTD25-1; PS80/XCTD26-1; PS80/XCTD27-1; PS80/XCTD28-1; PS80/XCTD29-1; PS80/XCTD30-1; PS80/XCTD3-1; PS80/XCTD31-1; PS80/XCTD32-1; PS80/XCTD33-1; PS80/XCTD34-1; PS80/XCTD35-1; PS80/XCTD36-1; PS80/XCTD38-1; PS80/XCTD39-1; PS80/XCTD40-1; PS80/XCTD4-1; PS80/XCTD41-1; PS80/XCTD42-1; PS80/XCTD43-1; PS80/XCTD44-1; PS80/XCTD45-1; PS80/XCTD46-1; PS80/XCTD47-1; PS80/XCTD48-1; PS80/XCTD49-1; PS80/XCTD50-1; PS80/XCTD5-1; PS80/XCTD51-1; PS80/XCTD52-1; PS80/XCTD53-1; PS80/XCTD54-1; PS80/XCTD55-1; PS80/XCTD56-1; PS80/XCTD57-1; PS80/XCTD58-1; PS80/XCTD59-1; PS80/XCTD60-1; PS80/XCTD6-1; PS80/XCTD61-1; PS80/XCTD62-1; PS80/XCTD63-1; PS80/XCTD64-1; PS80/XCTD65-1; PS80/XCTD66-1; PS80/XCTD67-1; PS80/XCTD68-1; PS80/XCTD69-1; PS80/XCTD70-1; PS80/XCTD7-1; PS80/XCTD71-1; PS80/XCTD72-1; PS80/XCTD73-1; PS80/XCTD74-1; PS80/XCTD75-1; PS80/XCTD76-1; PS80/XCTD77-1; PS80/XCTD78-1; PS80/XCTD79-1; PS80/XCTD80-1; PS80/XCTD8-1; PS80/XCTD81-1; PS80/XCTD82-1; PS80/XCTD83-1; PS80/XCTD84-1; PS80/XCTD85-1; PS80/XCTD86-1; PS80/XCTD89-1; PS80/XCTD90-1; PS80/XCTD9-1; PS80/XCTD91-1; PS80 IceArc; Salinity; Temperature, water; Temperature, water, potential; XCTD; XCTD, TSK_MK-150N/LM3A, Type: XCTD-1
    Type: Dataset
    Format: text/tab-separated-values, 219900 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unknown
    (Table 1) Physical oceanography from several POLARSTERN cruises to the Arctic Ocean, 1993 - 2012
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Description: Freshwater in the Arctic Ocean plays an important role in the regional ocean circulation, sea ice, and global climate. From salinity observed by a variety of platforms, we are able, for the first time, to estimate a statistically reliable liquid freshwater trend from monthly gridded fields over all upper Arctic Ocean basins. From 1992 to 2012 this trend was 600±300 km**3/yr. A numerical model agrees very well with the observed freshwater changes. A decrease in salinity made up about two thirds of the freshwater trend and a thickening of the upper layer up to one third. The Arctic Ocean Oscillation index, a measure for the regional wind stress curl, correlated well with our freshwater time series. No clear relation to Arctic Oscillation or Arctic Dipole indices could be found. Following other observational studies, an increased Bering Strait freshwater import to the Arctic Ocean, a decreased Davis Strait export, and enhanced net sea ice melt could have played an important role in the freshwater trend we observed.
    Type: Dataset
    Format: 11 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Supplemental Information Data files S1-S13 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Data files S1-S13. Microfocus X-ray Computed Tomography cross-sectional images of 13 selected radiolarian skeletons in the western Arctic Ocean. The CT-scanned 3D images can be visualized by 3D image viewer Molcer Plus (http://www.white-rabbit.jp/molcerPlusE.html). Data file S1. Microfocus X-ray Computed Tomography cross-sectional images of Actinomma boreale Data file S2. Microfocus X-ray Computed Tomography cross-sectional images of Actinomma leptodermum leptodermum Data file S3. Microfocus X-ray Computed Tomography cross-sectional images of Actinommidae spp. juvenile form Data file S4. Microfocus X-ray Computed Tomography cross-sectional images of Amphimelissa setosa adult form Data file S5. Microfocus X-ray Computed Tomography cross-sectional images of Amphimelissa setosa juvenile form Data file S6. Microfocus X-ray Computed Tomography cross-sectional images of Joergensenium arcticum adult form Data file S7. Microfocus X-ray Computed Tomography cross-sectional images of Joergensenium arcticum juvenile form Data file S8. Microfocus X-ray Computed Tomography cross-sectional images of Nassellarida indet. Data file S9. Microfocus X-ray Computed Tomography cross-sectional images of Phormacantha hystrix Data file S10. Microfocus X-ray Computed Tomography cross-sectional images of Pseudodictyophimus clevei Data file S11. Microfocus X-ray Computed Tomography cross-sectional images of Pseudodictyophimus gracilipes gracilipes Data file S12. Microfocus X-ray Computed Tomography cross-sectional images of Pseudodictyophimus spp. juvenile form Data file S13. Microfocus X-ray Computed Tomography cross-sectional images of Spongotrochus glacialis
    Keywords: Arctic Ocean; Binary Object; Binary Object (File Size); Binary Object (Media Type); biogenic silica; biogeochemical cycles; File content; Microfocus X-ray CT; protists; Radiolaria; Rhizaria; silica cycle
    Type: Dataset
    Format: text/tab-separated-values, 26 data points
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    DATA PANGAEA
  • 8
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    Decorrelation scales for Arctic Ocean hydrogpraphy - Part I: Amerasian Basin (2018)
    COPERNICUS GESELLSCHAFT MBH
    In:  EPIC3Ocean Science, COPERNICUS GESELLSCHAFT MBH, 14, pp. 161-185, ISSN: 1812-0784
    Details
    Publication Date: 2018-03-06
    Description: Any use of observational data for data assimilation requires adequate information of their representativeness in space and time. This is particularly important for sparse, non-synoptic data, which comprise the bulk of oceanic in situ observations in the Arctic. To quantify spatial and temporal scales of temperature and salinity variations, we estimate the autocorrelation function and associated decorrelation scales for the Amerasian Basin of the Arctic Ocean. For this purpose, we compile historical measurements from 1980 to 2015. Assuming spatial and temporal homogeneity of the decorrelation scale in the basin interior (abyssal plain area), we calculate autocorrelations as a function of spatial distance and temporal lag. The examination of the functional form of autocorrelation in each depth range reveals that the autocorrelation is well described by a Gaussian function in space and time. We derive decorrelation scales of 150–200 km in space and 100–300 days in time. These scales are directly applicable to quantify the representation error, which is essential for use of ocean in situ measurements in data assimilation. We also describe how the estimated autocorrelation function and decorrelation scale should be applied for cost function calculation in a data assimilation system.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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    PAPER (OA)
  • 9
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    Addressing Arctic Challenges Requires a Synoptic Ocean Survey (2019)
    In:  EPIC3Eos, 100, ISSN: 2324-9250
    Details
    Publication Date: 2020-07-15
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 10
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    Upper Arctic Ocean decadal changes: freshwater, stratification and surface velocity (2015)
    In:  EPIC3ISAR-4 (Arctic Science Summit Week), Toyama, Japan, 2015-01-27-2015-01-30
    Details
    Publication Date: 2016-11-29
    Description: Recent decades have shown substantial changes in the Arctic Ocean, yet observations are still relatively sparse compared to most other parts of the world's oceans. Results from numerical models still differ in the distribution of key variables, such as the pathways of liquid freshwater. From salinity and temperature profiles observed by a variety of platforms since 1992 we are able to show a substantial freshening in the upper Arctic Ocean impacting an increase in stratification between the mixed-layer and the lower halocline. Based on temperature and salinity profiles, we will present an objective analysis of mixed-layer depth, sea surface height and geostrophic velocity during the recent two decades. We are able to derive decadal trends as well as seasonal cycles during the most recend decade. Surface geostrophic velocity points to a flow in the Amerasian Basin toward the Lomonosov Ridge. Although most of the freshwater volume increase occurred on the Amerasian side of the Arctic Ocean, the changes on the Eurasian side have strong implications not only for the stratification but also the vertical exchange of nutrients in the upper ocean.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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    PAPER (OA)
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