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  • 1
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    Diatom assamblage in samples from sediment trap NBP96-04A_MS5_trap (2009)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Actinocyclus actinochilus; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ingens; Actinocyclus octonarius; AESOPS; Antarctic Environments Southern Ocean Process Study; Asteriomphalus hookeri; Asteriomphalus hyalinus; Asteriomphalus parvulus; Asteriomphalus spp.; Azpeitia tabularis; Calculated, see reference(s); Chaetoceros, vegetative cells; Chaetoceros atlanticus; Chaetoceros bulbosum; Chaetoceros criophilum; Chaetoceros diadema; Chaetoceros dichaeta; Chaetoceros radicans; Chaetoceros spores; Chaetoceros spp.; Corethron criophilum; Counting, diatoms; Counting, silicoflagellates; Dactyliozolen antarcticus, girdles; DATE/TIME; Date/time end; Delphineis suriela; DEPTH, water; Diatoms; Diatom valves, flux; Dictyocha spp.; Distephanus speculum speculum; Duration, number of days; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis pseudonana; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Guinardia spp.; Hemidiscus cuneiformis; Hemidiscus karstenii; MS-5; Nathaniel B. Palmer; Navicula spp.; NBP9604A; NBP9604A_MS5_trap; Nitzschia interruptestriata; Plagiotropis gaussii; Pleurosigma directum; Pleurosigma spp.; Porosira alata; Porosira inermis; Pseudo-nitzschia bicapitata; Pseudo-nitzschia cf. hemii; Pseudo-nitzschia lineola; Rhizosolenia antennata antennata; Rhizosolenia antennata forma semispina; Rhizosolenia sima forma sima; Rhizosolenia simplex; Rhizosolenia styliformis; Roperia tesselata; Rouxia spp.; Southern Ocean; Stellarima spp.; Thalassionema nitzschioides forma 1; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica; Thalassiosira decipiens; Thalassiosira gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira spp.; Thalassiothrix antarctica; Trap, sediment; TRAPS; Trichotoxon reinboldii
    Type: Dataset
    Format: text/tab-separated-values, 1617 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Diatom assamblage in samples from sediment trap NBP96-04A_MS3_trap (2009)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Actinocyclus actinochilus; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ingens; Actinocyclus octonarius; AESOPS; Antarctic Environments Southern Ocean Process Study; Asteriomphalus hookeri; Asteriomphalus hyalinus; Asteriomphalus parvulus; Asteriomphalus spp.; Azpeitia tabularis; Calculated, see reference(s); Chaetoceros, vegetative cells; Chaetoceros atlanticus; Chaetoceros bulbosum; Chaetoceros criophilum; Chaetoceros diadema; Chaetoceros dichaeta; Chaetoceros radicans; Chaetoceros spores; Chaetoceros spp.; Corethron criophilum; Counting, diatoms; Counting, silicoflagellates; Dactyliozolen antarcticus, girdles; DATE/TIME; Date/time end; Delphineis suriela; DEPTH, water; Diatoms; Diatom valves, flux; Dictyocha spp.; Distephanus speculum speculum; Duration, number of days; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis pseudonana; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Guinardia spp.; Hemidiscus cuneiformis; Hemidiscus karstenii; MS-3; Nathaniel B. Palmer; Navicula spp.; NBP9604A; NBP9604A_MS3_trap; Nitzschia interruptestriata; Plagiotropis gaussii; Pleurosigma directum; Pleurosigma spp.; Porosira alata; Porosira inermis; Pseudo-nitzschia bicapitata; Pseudo-nitzschia cf. hemii; Pseudo-nitzschia lineola; Rhizosolenia antennata antennata; Rhizosolenia antennata forma semispina; Rhizosolenia sima forma sima; Rhizosolenia simplex; Rhizosolenia styliformis; Roperia tesselata; Rouxia spp.; Southern Ocean; Stellarima spp.; Thalassionema nitzschioides forma 1; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica; Thalassiosira decipiens; Thalassiosira gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira spp.; Thalassiothrix antarctica; Trap, sediment; TRAPS; Trichotoxon reinboldii
    Type: Dataset
    Format: text/tab-separated-values, 1463 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Diatom assamblage in samples from sediment trap NBP96-04A_MS6_trap (2009)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Actinocyclus actinochilus; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ingens; Actinocyclus octonarius; AE6; AESOPS; Antarctic Environments Southern Ocean Process Study; Asteriomphalus hookeri; Asteriomphalus hyalinus; Asteriomphalus parvulus; Asteriomphalus spp.; Azpeitia tabularis; Calculated, see reference(s); Chaetoceros, vegetative cells; Chaetoceros atlanticus; Chaetoceros bulbosum; Chaetoceros criophilum; Chaetoceros diadema; Chaetoceros dichaeta; Chaetoceros radicans; Chaetoceros spores; Chaetoceros spp.; Corethron criophilum; Counting, diatoms; Counting, silicoflagellates; Dactyliozolen antarcticus, girdles; DATE/TIME; Date/time end; Delphineis suriela; DEPTH, water; Diatoms; Diatom valves, flux; Dictyocha spp.; Distephanus speculum speculum; Duration, number of days; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis pseudonana; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Guinardia spp.; Hemidiscus cuneiformis; Hemidiscus karstenii; Nathaniel B. Palmer; Navicula spp.; NBP9604A; NBP9604A_MS6_trap; Nitzschia interruptestriata; Plagiotropis gaussii; Pleurosigma directum; Pleurosigma spp.; Porosira alata; Porosira inermis; Pseudo-nitzschia bicapitata; Pseudo-nitzschia cf. hemii; Pseudo-nitzschia lineola; Rhizosolenia antennata antennata; Rhizosolenia antennata forma semispina; Rhizosolenia sima forma sima; Rhizosolenia simplex; Rhizosolenia styliformis; Roperia tesselata; Ross Sea; Rouxia spp.; Stellarima spp.; Thalassionema nitzschioides forma 1; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica; Thalassiosira decipiens; Thalassiosira gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira spp.; Thalassiothrix antarctica; Trap, sediment; TRAPS; Trichotoxon reinboldii
    Type: Dataset
    Format: text/tab-separated-values, 770 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Diatom assamblage in samples from sediment traps across the Pacific Sector of the Southern Ocean (2014)
    PANGAEA
    In:  Supplement to: Grigorov, Ivo; Rigual-Hernandez, Andrés S; Honjo, Susumu; Kemp, Alan E S; Armand, Leanne K (2014): Settling fluxes of diatoms to the interior of the Antarctic circumpolar current along 170°W. Deep Sea Research Part I: Oceanographic Research Papers, 93, 1-13, https://doi.org/10.1016/j.dsr.2014.07.008
    Details
    Publication Date: 2023-12-12
    Description: An array of four sediment trap moorings recorded the particulate flux across the Antarctic Circumpolar Current (ACC) at 170 °W, between November 1996 and January 1998, as part of the US JGOFS-Antarctic Environment and Southern Ocean Process Study (AESOPS) program. The trap locations represent sampling within the Polar Frontal Zone, the Antarctic Polar Front, the Antarctic Zone and the Southern Antarctic Zone. Here we report observations from 1000 m below the sea-surface compared to seafloor and surface water distributions. Sub-sample splits from each trap were obtained and total diatom flux and species composition were determined. The diatom fluxes were quantified using both a dilution and a 'spike' method to allow for the rapid repeatability of measurements. Diatom flux was found to be highly seasonal across the ACC particularly at higher latitudes. Marine snow aggregates of intact diatom cells and chains were the major components of the biogenic flux. Siliceous particle size was noted to decrease with increasing latitude, which could be aligned with a shift of the diatom assemblage to small-size species/sea-ice affiliated species. A 'double-structured' diatom flux was recorded at the location of the Antarctic Polar Front trap, with a shift in the diatom assemblage from larger to smaller diatoms in the second flux episode. The sediment trap assemblage shows deviations from the surface water assemblage, while surface sediment samples indicate that significant dissolution occurs after 1000 m and at the sediment-water interface. Estimation of diatom biovolumes across the ACC shows that large diatoms have the potential to greatly impact biogenic fluxes to the ocean interior despite their low fluxes. Small species of the genus Fragilariopsis could potentially export as much Corg as Fragilariopsis kerguelensis near the retreating ice edge. However, their low abundance in the surface sediments also suggests that these diatoms are a shallow export species.
    Type: Dataset
    Format: application/zip, 6 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Diatom assamblage in samples from sediment trap NBP96-04A_MS2_trap (2009)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Actinocyclus actinochilus; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ingens; Actinocyclus octonarius; AESOPS; Antarctic Environments Southern Ocean Process Study; Asteriomphalus hookeri; Asteriomphalus hyalinus; Asteriomphalus parvulus; Asteriomphalus spp.; Azpeitia tabularis; Calculated, see reference(s); Chaetoceros, vegetative cells; Chaetoceros atlanticus; Chaetoceros bulbosum; Chaetoceros criophilum; Chaetoceros diadema; Chaetoceros dichaeta; Chaetoceros radicans; Chaetoceros spores; Chaetoceros spp.; Corethron criophilum; Counting, diatoms; Counting, silicoflagellates; Dactyliozolen antarcticus, girdles; DATE/TIME; Date/time end; Delphineis suriela; DEPTH, water; Diatoms; Diatom valves, flux; Dictyocha spp.; Distephanus speculum speculum; Duration, number of days; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis pseudonana; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Guinardia spp.; Hemidiscus cuneiformis; Hemidiscus karstenii; MS-2; Nathaniel B. Palmer; Navicula spp.; NBP9604A; NBP9604A_MS2_trap; Nitzschia interruptestriata; Plagiotropis gaussii; Pleurosigma directum; Pleurosigma spp.; Porosira alata; Porosira inermis; Pseudo-nitzschia bicapitata; Pseudo-nitzschia cf. hemii; Pseudo-nitzschia lineola; Rhizosolenia antennata antennata; Rhizosolenia antennata forma semispina; Rhizosolenia sima forma sima; Rhizosolenia simplex; Rhizosolenia styliformis; Roperia tesselata; Rouxia spp.; Southern Ocean; Stellarima spp.; Thalassionema nitzschioides forma 1; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica; Thalassiosira decipiens; Thalassiosira gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira spp.; Thalassiothrix antarctica; Trap, sediment; TRAPS; Trichotoxon reinboldii
    Type: Dataset
    Format: text/tab-separated-values, 1540 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Diatom assamblage in samples from sediment trap NBP96-04A_MS7a_trap (2009)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Actinocyclus actinochilus; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ingens; Actinocyclus octonarius; AE7a; AESOPS; Antarctic Environments Southern Ocean Process Study; Asteriomphalus hookeri; Asteriomphalus hyalinus; Asteriomphalus parvulus; Asteriomphalus spp.; Azpeitia tabularis; Chaetoceros, vegetative cells; Chaetoceros atlanticus; Chaetoceros bulbosum; Chaetoceros criophilum; Chaetoceros diadema; Chaetoceros dichaeta; Chaetoceros radicans; Chaetoceros spores; Chaetoceros spp.; Corethron criophilum; Counting, diatoms; Counting, silicoflagellates; Dactyliozolen antarcticus, girdles; DATE/TIME; Date/time end; Delphineis suriela; DEPTH, water; Diatoms; Dictyocha spp.; Distephanus speculum speculum; Duration, number of days; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis pseudonana; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Guinardia spp.; Hemidiscus cuneiformis; Hemidiscus karstenii; Nathaniel B. Palmer; Navicula spp.; NBP9604A; NBP9604A_MS7a_trap; Nitzschia interruptestriata; Plagiotropis gaussii; Pleurosigma directum; Pleurosigma spp.; Porosira alata; Porosira inermis; Pseudo-nitzschia bicapitata; Pseudo-nitzschia cf. hemii; Pseudo-nitzschia lineola; Rhizosolenia antennata antennata; Rhizosolenia antennata forma semispina; Rhizosolenia sima forma sima; Rhizosolenia simplex; Rhizosolenia styliformis; Roperia tesselata; Ross Sea; Rouxia spp.; Stellarima spp.; Thalassionema nitzschioides forma 1; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica; Thalassiosira decipiens; Thalassiosira gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira spp.; Thalassiothrix antarctica; Trap, sediment; TRAPS; Trichotoxon reinboldii
    Type: Dataset
    Format: text/tab-separated-values, 912 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Diatom abundances of ODP Hole 177-1093A in the Southern Ocean (2002)
    PANGAEA
    In:  Supplement to: Grigorov, Ivo; Pearce, Richard B; Kemp, Alan E S (2002): Southern Ocean laminated diatom ooze: mat deposits and potential for palaeo-flux studies, ODP leg 177, Site 1093. Deep Sea Research Part II: Topical Studies in Oceanography, 49(16), 3391-3407, https://doi.org/10.1016/S0967-0645(02)00089-9
    Details
    Publication Date: 2024-01-09
    Description: Laminated diatom ooze samples collected during ODP Leg 177 were analysed using scanning electron microscope (SEM) and optical microscopy to test their potential as high-resolution records of Polar Front hydrography, surface production, and export. SEM analysis from two intervals, marine isotope stage (MIS) 29 and 12/11, respectively, recovered from 50°S in the Atlantic Ocean (ODP Site 1093, Hole A, sections 13H-4 0-18 cm and 23H-4 0-22 cm), show abundant and well-preserved Thalassiothrix antarctica mats, thought to be indicative of rapid export from the surface and deposition in the sediment. A preliminary analysis of laminae succession points to a possible annual couplet/triplet succession of laminae, and suggests exceptionally high local sedimentation rates of 57 and 80 cm/kyr for MIS 12/11 and 29, respectively. Such high accumulation rates imply that local export from the surface layer and sequestration of biogenic silica and organic matter to the sediments may have been much higher than previously suggested.
    Keywords: 177-1093A; DRILL; Drilling/drill rig; Joides Resolution; Leg177; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    (Appendix) Age-depth relation and red colour reflectance of ODP Site 177-1093 (2010)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 177-1093; AGE; Color reflectance interval 650-750 nm wavelength; COMPCORE; Composite Core; DEPTH, sediment/rock; Joides Resolution; Leg177; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 5772 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    (Table 3) Relative diatom abundances in MIS12/11 of ODP Hole 177-1093A (2002)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 177-1093A; Actinocyclus actinochilus; Actinocyclus ingens; Asteromphalus hookeri; Asteromphalus spp.; Azpeitia endoi; Azpeitia tabularis; Chaetoceros spores; Counting, light microscope; Diatoms; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Eucampia antarctica; Fragilariopsis curta; Fragilariopsis kerguelensis; Fragilariopsis rhombica; Fragilariopsis separanda; Joides Resolution; Leg177; Navicula spp.; Ocean Drilling Program; ODP; ORDINAL NUMBER; Pleurosigma spp.; Rhizosolenia styliformis; Rouxia spp.; Sample code/label; South Atlantic Ocean; Thalassionema nitzschioides; Thalassionema spp.; Thalassiosira gracilis; Thalassiosira lentiginosa; Thalassiosira leptopus; Thalassiosira lineata; Thalassiosira oestrupii; Thalassiosira spp.; Thalassiothrix antarctica; Trichotoxon spp.
    Type: Dataset
    Format: text/tab-separated-values, 810 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    (Appendix) Age-depth relation and red colour reflectance of ODP Site 177-1094 (2010)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 177-1094; AGE; Color reflectance interval 650-750 nm wavelength; COMPCORE; Composite Core; DEPTH, sediment/rock; Joides Resolution; Leg177; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 2824 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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