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  • 2010-2014  (121)
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  • 1
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    Atlantic Water advection versus sea-ice advances in the eastern Fram Strait during the last 9 ka - multiproxy evidence for a two-phase Holocene (2013)
    AGU (American Geophysical Union) | Wiley
    In:  Paleoceanography, 28 . pp. 283-295.
    Details
    Publication Date: 2019-09-23
    Description: A sediment core from the West Spitsbergen continental margin was studied to reconstruct climate and paleoceanographic variability during the last ~9 ka in the eastern Fram Strait. Our multiproxy evidence suggests that the establishment of the modern oceanographic configuration in the eastern Fram Strait occurred stepwise, in response to the postglacial sea-level rise and the related onset of modern sea-ice production on the shallow Siberian shelves. The late Early and Mid Holocene interval (9 to 5 ka) was generally characterized by relatively unstable conditions. High abundance of the subpolar planktic foraminifer species Turborotalita quinqueloba implies strong intensity of Atlantic Water (AW) inflow with high productivity and/or high AW temperatures, resulting in a strong heat flux to the Arctic. A series of short-lived cooling events (8.2, 6.9. and 6.1 ka) occurred superimposed on the warm late Early and Mid Holocene conditions. Our proxy data imply that simultaneous to the complete postglacial flooding of Arctic shallow shelves and the initiation of modern sea-ice production, strong advance of polar waters initiated modern oceanographic conditions in the eastern Fram Strait at ~5.2 ka. The Late Holocene was marked by the dominance of the polar planktic foraminifer species Neogloboquadrina pachyderma, a significant expansion of sea ice/icebergs, and strong stratification of the water column. Although planktic foraminiferal assemblages as well as sea surface and subsurface temperatures suggest a return of slightly strengthened advection of subsurface Atlantic Water after 3 ka, a relatively stable cold-water layer prevailed at the sea surface and the study site was probably located within the seasonally fluctuating marginal ice zone during the Neoglacial period.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.1002/palo.20028
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 2
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    Core-top versus Holocene samples from the Fram Strait and the Nordic Seas: Restrictions in Mg/Ca-paleotemperature estimations in high-latitude bottom waters (2014)
    In:  [Talk] In: 2. PAST Gateways International Conference and Workshop, 19.05.-23.05.2014, Trieste, Italy . Proceedings of the II PAST Gateways International Conference and Workshop : Trieste, May 19-­23, 2014 / Istituto Nazionale di Oceanografia e di Geofisica Sperimentale. Eds.: Renata G. Lucchi ; Colm O’Cofaigh ; Michele Rebesco ; Carlo Barbante ; pp. 48-49 .
    Details
    Publication Date: 2019-09-23
    Description: Mg to Ca ratios of the epibenthic foraminifer species Cibicidoides wuellerstorfi have been identified to be strongly controlled by temperature and thus to have great potential for reconstructing bottom water temperatures, especially from the lower end of the temperature range (0-6°C; Tisserand et al., 2013). In the Fram Strait, where main water mass exchanges between the Arctic Ocean and the world’s oceans occur, new temperature estimation tools independent from faunal assemblages can help to better understand the complex interaction of different water masses with possible implications to changes in the meridional overturning circulation and the heat flux to the Arctic Ocean. Furthermore, Mg/Ca temperatures can help unravelling the local impact (e.g., of brine-enriched waters) from general trends in bottom water circulation. In order to apply Mg/Ca-derived temperatures to paleo-records from the Fram Strait, a calibration relationship between modern Mg/Ca ratios to bottom water temperatures which fits the environmental conditions of the Fram Strait needs to be developed. We therefore studied Mg/Ca ratios of C. wuellerstorfi in a set of coretop samples from the Fram Strait and the Norwegian margin where bottom temperatures range between -0.5 and -1°C. For the calibration to modern temperatures, we used modern oceanographic data from both existing conductivity-temperature-depth (CTD) casts and the World Ocean Data Base 2013 (Boyer et. al., 2013). Benthic Mg/Ca ratios are relatively high suggesting a preference of C. wuellerstorfi to incorporate Mg at temperatures below 0°C. Although no correlation has been found to existing temperature calibrations using higher temperature ranges (0-6°C), the data are in line with existing Mg/Ca data from C. wuellerstorfi from the Norwegian Sea and the Fram Strait (Martin et al., 2002; Elderfield et al., 2006).While correlation between Mg/Ca ratios to either temperature or salinity is difficult to constrain, better correlation exists to water depth. We therefore consider the carbonate ion effect as one possible explanation for the relatively high Mg/Ca ratios found in coretop samples from the Fram Strait and the Nordic Seas. Despite the difficulties to constrain a temperature calibration for this low temperature range down to -1°C, variations in benthic Mg/Ca ratios investigated in Holocene records from the eastern Fram Strait display trends similar to those found in other benthic proxy indicators. A short-lived decrease in benthic carbon isotopes and sortable silt mean grain size thus seems to correlate to lower Mg/Ca ratios during the 8.2 ka event. Also, a Late Holocene trend towards significantly higher benthic oxygen isotopes may be related to decreasing Mg/Ca ratios. Essential bibliography Boyer, T.P., Antonov, J.I., Baranova, O.K., Coleman, C., Garcia, H.E., Grodsky, A., Johnson, D.R., Locarnini, R.A., Mishonov, A.V., O'Brien, T.D., Paver, C.R., Reagan, J.R., Seidov, D., Smolyar, I.V., Zweng, M.M. 2013. World Ocean Database 2013. Sydney Levitus, Ed., Alexey Mishonov, Technical Ed., NOAA Atlas NESDIS 72. 209 pp. Elderfield, H., Yu, J., Anand, P., Kiefer, T., Nyland, B. 2006. Calibrations for benthic foraminiferal Mg/Ca paleothermometry and the carbonate ion hypothesis. Earth and Planetary Science Letters 250, 633-649. Martin, P.A., Lea, D.W., Rosenthal, Y., Shackleton, N., Sarnthein, M., Papenfuss, T. 2002. Quaternary deep sea temperature histories derived from benthic foraminiferal Mg/Ca. Earth and Planetary Science Letters 198, 193-209. Tisserand, A.A., Dokken, T.M., Waelbroeck, C., Gherardi, J.-M., Scao, V., Fontanier, C., Jorissen, F. 2013. Refining benthic foraminiferal Mg/Ca-temperature calibrations using core-tops from the western tropical Atlantic: Implication for paleotemperature estimation. Geochemistry, Geophysics, Geosystems, 14(4), 929-946.
    Type: Conference or Workshop Item , NonPeerReviewed
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    OceanRep: Talk
  • 3
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    Atlantic Water advection to the eastern Fram Strait – multiproxy evidence for late Holocene variability (2011)
    Elsevier
    In:  Palaeogeography, Palaeoclimatology, Palaeoecology, 308 (3-4). pp. 264-276.
    Details
    Publication Date: 2020-08-07
    Description: A multiproxy data set of an AMS radiocarbon dated 46 cm long sediment core from the continental margin off western Svalbard reveals multidecadal climatic variability during the past two millennia. Investigation of planktic and benthic stable isotopes, planktic foraminiferal fauna, and lithogenic parameters aims to unveil the Atlantic Water advection to the eastern Fram Strait by intensity, temperatures, and salinities. Atlantic Water has been continuously present at the site over the last 2,000 years. Superimposed on the increase in sea ice/icebergs, a strengthened intensity of Atlantic Water inflow and seasonal ice-free conditions were detected at ~ 1000 to 1200 AD, during the well-known Medieval Climate Anomaly (MCA). However, temperatures of the MCA never exceeded those of the 20th century. Since ~ 1400 AD significantly higher portions of ice rafted debris and high planktic foraminifer fluxes suggest that the site was located in the region of a seasonal highly fluctuating sea ice margin. A sharp reduction in planktic foraminifer fluxes around 800 AD and after 1730 AD indicates cool summer conditions with major influence of sea ice/icebergs. High amounts of the subpolar planktic foraminifer species Turborotalia quinqueloba in size fraction 150–250 μm indicate strengthened Atlantic Water inflow to the eastern Fram Strait already after ~ 1860 AD. Nevertheless surface conditions stayed cold well into the 20th century indicated by low planktic foraminiferal fluxes. Most likely at the beginning of the 20th century, cold conditions of the terminating Little Ice Age period persisted at the surface whereas warm and saline Atlantic Water already strengthened, hereby subsiding below the cold upper mixed layer. Surface sediments with high abundances of subpolar planktic foraminifers indicate a strong inflow of Atlantic Water providing seasonal ice-free conditions in the eastern Fram Strait during the last few decades.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.1016/j.palaeo.2011.05.030
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 4
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    Distribution and characteristics of marine habitats in a subpolar bay based on hydroacoustics and bed shear stress estimates—Potter Cove, King George Island, Antarctica (2014)
    Springer
    In:  Geo-Marine Letters, 34 (5). pp. 435-446.
    Details
    Publication Date: 2017-07-14
    Description: Marine habitats worldwide are increasingly pressurized by climate change, especially along the Antarctic Peninsula. Well-studied areas in front of rapidly retreating tidewater glaciers like Potter Cove are representative for similar coastal environments and, therefore, shed light on habitat formation and development on not only a local but also regional scale. The objective of this study was to provide insights into habitat distribution in Potter Cove, King George Island, Antarctica, and to evaluate the associated environmental processes. Furthermore, an assessment concerning the future development of the habitats is provided. To describe the seafloor habitats in Potter Cove, an acoustic seabed discrimination system (RoxAnn) was used in combination with underwater video images and sediment samples. Due to the absence of wave and current measurements in the study area, bed shear stress estimates served to delineate zones prone to sediment erosion. On the basis of the investigations, two habitat classes were identified in Potter Cove, namely soft-sediment and stone habitats that, besides influences from sediment supply and coastal morphology, are controlled by sediment erosion. A future expansion of the stone habitat is predicted if recent environmental change trends continue. Possible implications for the Potter Cove environment, and other coastal ecosystems under similar pressure, include changes in biomass and species composition.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1007/s00367-014-0375-1
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Age determination, planktic foraminifera and stable istopes of sediment core MSM05/5_712-2 (2013)
    PANGAEA
    In:  Supplement to: Werner, Kirstin; Spielhagen, Robert F; Bauch, Dorothea; Hass, H Christian; Kandiano, Evgenia S (2013): Atlantic Water advection versus sea-ice advances in the eastern Fram Strait during the last 9 ka: Multiproxy evidence for a two-phase Holocene. Paleoceanography, 28(2), 283-295, https://doi.org/10.1002/palo.20028
    Details
    Publication Date: 2024-07-19
    Description: A sediment core from the West Spitsbergen continental margin was studied to reconstruct climate and paleoceanographic variability during the last ~9 ka in the eastern Fram Strait. Our multiproxy evidence suggests that the establishment of the modern oceanographic configuration in the eastern Fram Strait occurred stepwise, in response to the postglacial sea-level rise and the related onset of modern sea-ice production on the shallow Siberian shelves. The late Early and Mid Holocene interval (9 to 5 ka) was generally characterized by relatively unstable conditions. High abundance of the subpolar planktic foraminifer species Turborotalita quinqueloba implies strong intensity of Atlantic Water (AW) inflow with high productivity and/or high AW temperatures, resulting in a strong heat flux to the Arctic. A series of short-lived cooling events (8.2, 6.9. and 6.1 ka) occurred superimposed on the warm late Early and Mid Holocene conditions. Our proxy data imply that simultaneous to the complete postglacial flooding of Arctic shallow shelves and the initiation of modern sea-ice production, strong advance of polar waters initiated modern oceanographic conditions in the eastern Fram Strait at ~5.2 ka. The Late Holocene was marked by the dominance of the polar planktic foraminifer species Neogloboquadrina pachyderma, a significant expansion of sea ice/icebergs, and strong stratification of the water column. Although planktic foraminiferal assemblages as well as sea surface and subsurface temperatures suggest a return of slightly strengthened advection of subsurface Atlantic Water after 3 ka, a relatively stable cold-water layer prevailed at the sea surface and the study site was probably located within the seasonally fluctuating marginal ice zone during the Neoglacial period.
    Keywords: Integrierte Analyse zwischeneiszeitlicher Klimadynamik; INTERDYNAMIK
    Type: dataset publication series
    Format: application/zip, 7 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    High resolution granulometry of three sediment cores from Maxwell Bay (2013)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Description: This collection contains high resolution granulometry data of three sediment cores from Maxwell Bay during POLARSTERN cruise PS69.
    Keywords: IMCOAST/IMCONet; Impact of climate induced glacier melt on marine coastal systems, Antarctica
    Type: dataset publication series
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Single beam survey data and links to sea-bottom video files off Helgoland (2014)
    PANGAEA
    In:  Supplement to: Mielck, Finn; Bartsch, Inka; Hass, H Christian; Wölfl, Anne-Cathrin; Bürk, Dietmar; Betzler, Christian (2014): Predicting spatial kelp abundance in shallow coastal waters using the acoustic ground discrimination system RoxAnn. Estuarine, Coastal and Shelf Science, 143, 1-11, https://doi.org/10.1016/j.ecss.2014.03.016
    Details
    Publication Date: 2024-07-19
    Description: Kelp forests represent a major habitat type in coastal waters worldwide and their structure and distribution is predicted to change due to global warming. Despite their ecological and economical importance, there is still a lack of reliable spatial information on their abundance and distribution. In recent years, various hydroacoustic mapping techniques for sublittoral environments evolved. However, in turbid coastal waters, such as off the island of Helgoland (Germany, North Sea), the kelp vegetation is present in shallow water depths normally excluded from hydroacoustic surveys. In this study, single beam survey data consisting of the two seafloor parameters roughness and hardness were obtained with RoxAnn from water depth between 2 and 18 m. Our primary aim was to reliably detect the kelp forest habitat with different densities and distinguish it from other vegetated zones. Five habitat classes were identified using underwater-video and were applied for classification of acoustic signatures. Subsequently, spatial prediction maps were produced via two classification approaches: Linear discriminant analysis (LDA) and manual classification routine (MC). LDA was able to distinguish dense kelp forest from other habitats (i.e. mixed seaweed vegetation, sand, and barren bedrock), but no variances in kelp density. In contrast, MC also provided information on medium dense kelp distribution which is characterized by intermediate roughness and hardness values evoked by reduced kelp abundances. The prediction maps reach accordance levels of 62% (LDA) and 68% (MC). The presence of vegetation (kelp and mixed seaweed vegetation) was determined with higher prediction abilities of 75% (LDA) and 76% (MC). Since the different habitat classes reveal acoustic signatures that strongly overlap, the manual classification method was more appropriate for separating different kelp forest densities and low-lying vegetation. It became evident that the occurrence of kelp in this area is not simply linked to water depth. Moreover, this study shows that the two seafloor parameters collected with RoxAnn are suitable indicators for the discrimination of different densely vegetated seafloor habitats in shallow environments.
    Keywords: AWI_Coast; Coastal Ecology @ AWI
    Type: dataset publication series
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    X-ray fluorescence on sediment core HE215/4-2 (raw data from XRF-core scanner) (2012)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-19
    Keywords: AWI_Paleo; awixrfraw2012; Gravity corer (Kiel type); HE215; HE215/4-2; Heincke; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; SL
    Type: dataset
    Format: application/zip, 4.5 MBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Granulometry of surface sediments in tenth phi classes from the North Sea NE of the island of Sylt sampled in January 2009 (2010)
    PANGAEA
    In:  Alfred Wegener Institute - Wadden Sea Station Sylt
    Details
    Publication Date: 2024-07-19
    Keywords: DATE/TIME; Depth, bathymetric; DEPTH, sediment/rock; ECHO; Echosounder; Grain size, CILAS 1180 Laser Particle Analyser; Grain size, sieving; KoeHa_ZR; LATITUDE; LONGITUDE; MULT; Multiple investigations; Sample code/label; Size fraction 〈 0.040 µm, 〉14.6 phi; Size fraction 〉 2639 µm, 〈-1.4 phi; Size fraction 0.043-0.040 µm, 14.5-14.6 phi; Size fraction 0.046-0.043 µm, 14.4-14.5 phi; Size fraction 0.050-0.046 µm, 14.3-14.4 phi; Size fraction 0.053-0.050 µm, 14.2-14.3 phi; Size fraction 0.057-0.053 µm, 14.1-14.2 phi; Size fraction 0.061-0.057 µm, 14.0-14.1 phi; Size fraction 0.065-0.061 µm, 13.9-14.0 phi; Size fraction 0.070-0.065 µm, 13.8-13.9 phi; Size fraction 0.075-0.070 µm, 13.7-13.8 phi; Size fraction 0.081-0.075 µm, 13.6-13.7 phi; Size fraction 0.086-0.081 µm, 13.5-13.6 phi; Size fraction 0.093-0.086 µm, 13.4-13.5 phi; Size fraction 0.099-0.093 µm, 13.3-13.4 phi; Size fraction 0.106-0.099 µm, 13.2-13.3 phi; Size fraction 0.114-0.106 µm, 13.1-13.2 phi; Size fraction 0.122-0.114 µm, 13.0-13.1 phi; Size fraction 0.131-0.122 µm, 12.9-13.0 phi; Size fraction 0.140-0.131 µm, 12.8-12.9 phi; Size fraction 0.150-0.140 µm, 12.7-12.8 phi; Size fraction 0.161-0.150 µm, 12.6-12.7 phi; Size fraction 0.173-0.161 µm, 12.5-12.6 phi; Size fraction 0.185-0.173 µm, 12.4-12.5 phi; Size fraction 0.198-0.185 µm, 12.3-12.4 phi; Size fraction 0.213-0.198 µm, 12.2-12.3 phi; Size fraction 0.228-0.213 µm, 12.1-12.2 phi; Size fraction 0.244-0.228 µm, 12.0-12.1 phi; Size fraction 0.262-0.244 µm, 11.9-12.0 phi; Size fraction 0.280-0.262 µm, 11.8-11.9 phi; Size fraction 0.301-0.280 µm, 11.7-11.8 phi; Size fraction 0.322-0.301 µm, 11.6-11.7 phi; Size fraction 0.345-0.322 µm, 11.5-11.6 phi; Size fraction 0.370-0.345 µm, 11.4-11.5 phi; Size fraction 0.397-0.370 µm, 11.3-11.4 phi; Size fraction 0.425-0.397 µm, 11.2-11.3 phi; Size fraction 0.456-0.425 µm, 11.1-11.2 phi; Size fraction 0.488-0.456 µm, 11.0-11.1 phi; Size fraction 0.523-0.488 µm, 10.9-11.0 phi; Size fraction 0.561-0.523 µm, 10.8-10.9 phi; Size fraction 0.601-0.561 µm, 10.7-10.8 phi; Size fraction 0.644-0.601 µm, 10.6-10.7 phi; Size fraction 0.691-0.644 µm, 10.5-10.6 phi; Size fraction 0.740-0.691 µm, 10.4-10.5 phi; Size fraction 0.793-0.740 µm, 10.3-10.4 phi; Size fraction 0.850-0.793 µm, 10.2-10.3 phi; Size fraction 0.911-0.850 µm, 10.1-10.2 phi; Size fraction 0.977-0.911 µm, 10.0-10.1 phi; Size fraction 1.047-0.977 µm, 9.9-10.0 phi; Size fraction 1.122-1.047 µm, 9.8-9.9 phi; Size fraction 1.202-1.122 µm, 9.7-9.8 phi; Size fraction 1.289-1.202 µm, 9.6-9.7 phi; Size fraction 1.381-1.289 µm, 9.5-9.6 phi; Size fraction 1.480-1.381 µm, 9.4-9.5 phi; Size fraction 1.586-1.480 µm, 9.3-9.4 phi; Size fraction 1.700-1.586 µm, 9.2-9.3 phi; Size fraction 1.822-1.700 µm, 9.1-9.2 phi; Size fraction 1.953-1.822 µm, 9.0-9.1 phi; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 1000.000-933.033 µm, 0.0-0.1 phi; Size fraction 101.532-94.732 µm, 3.3-3.4 phi; Size fraction 1071.773-1000.000 µm, (-0.1)-0.0 phi; Size fraction 108.819-101.532 µm, 3.2-3.3 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 1148.698-1071.773 µm, (-0.2) to (-0.1) phi; Size fraction 116.629-108.819 µm, 3.1-3.2 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 1231.144-1148.698 µm, (-0.3) to (-0.2) phi; Size fraction 125.000-116.629 µm, 3.0-3.1 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 1319.508-1231.144 µm, (-0.4) to (-0.3) phi; Size fraction 133.972-125.000 µm, 2.9-3.0 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 1414.214-1319.508 µm, (-0.5) to (-0.4) phi; Size fraction 143.587-133.972 µm, 2.8-2.9 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 1515.717-1414.214 µm, (-0.6) to (-0.5) phi; Size fraction 153.893-143.587 µm, 2.7-2.8 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 1624.505-1515.717 µm, (-0.7) to (-0.6) phi; Size fraction 164.938-153.893 µm, 2.6-2.7 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 1741.101-1624.505 µm, (-0.8) to (-0.7) phi; Size fraction 176.777-164.938 µm, 2.5-2.6 phi; Size fraction 1866.066-1741.101 µm, (-0.9) to (-0.8) phi; Size fraction 189.465-176.777 µm, 2.4-2.5 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 2000.000-1866.066 µm, (-1.0) to (-0.9) phi; Size fraction 203.063-189.465 µm, 2.3-2.4 phi; Size fraction 2143.547-2000.000 µm, (-1.1) to (-1.0) phi; Size fraction 217.638-203.063 µm, 2.2-2.3 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 2297.397-2143.547 µm, (-1.2) to (-1.1) phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 233.258-217.638 µm, 2.1-2.2 phi; Size fraction 2462.289-2297.397 µm, (-1.3) to (-1.2) phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 250.000-233.258 µm, 2.0-2.1 phi; Size fraction 2639.016-2462.289 µm, (-1.4) to (-1.3) phi; Size fraction 267.943-250.000 µm, 1.9-2.0 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 287.175-267.943 µm, 1.8-1.9 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 307.786-287.175 µm, 1.7-1.8 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 329.877-307.786 µm, 1.6-1.7 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 353.553-329.877 µm, 1.5-1.6 phi; Size fraction 378.929-353.553 µm, 1.4-1.5 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 406.126-378.929 µm, 1.3-1.4 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 435.275-406.126 µm, 1.2-1.3 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 466.516-435.275 µm, 1.1-1.2 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 500.000-466.516 µm, 1.0-1.1 phi; Size fraction 535.887-500.000 µm, 0.9-1.0 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 574.349-535.887 µm, 0.8-0.9 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 615.572-574.349 µm, 0.7-0.8 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 659.754-615.572 µm, 0.6-0.7 phi; Size fraction 66.986-62.500 µm, 3.9-4.0 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 707.107-659.754 µm, 0.5-0.6 phi; Size fraction 71.794-66.986 µm, 3.8-3.9 phi; Size fraction 757.858-707.107 µm, 0.4-0.5 phi; Size fraction 76.947-71.794 µm, 3.7-3.8 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 812.252-757.858 µm, 0.3-0.4 phi; Size fraction 82.469-76.947 µm, 3.6-3.7 phi; Size fraction 870.551-812.252 µm, 0.2-0.3 phi; Size fraction 88.388-82.469 µm, 3.5-3.6 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; Size fraction 933.033-870.551 µm, 0.1-0.2 phi; Size fraction 94.732-88.388 µm, 3.4-3.5 phi; Sylter Wattenmeer
    Type: dataset
    Format: text/tab-separated-values, 8165 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
    facet.materialart.
    Unknown
    Granulometry of sediment core PS59/217-2 (2010)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-19
    Keywords: ARK-XVII/2; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, CILAS 1180 Laser Particle Analyser; Grain size, sieving; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59/217-2; PS59 AMORE; Size fraction 〈 0.040 µm, 〉14.6 phi; Size fraction 〉 2639 µm, 〈-1.4 phi; Size fraction 0.043-0.040 µm, 14.5-14.6 phi; Size fraction 0.046-0.043 µm, 14.4-14.5 phi; Size fraction 0.050-0.046 µm, 14.3-14.4 phi; Size fraction 0.053-0.050 µm, 14.2-14.3 phi; Size fraction 0.057-0.053 µm, 14.1-14.2 phi; Size fraction 0.061-0.057 µm, 14.0-14.1 phi; Size fraction 0.065-0.061 µm, 13.9-14.0 phi; Size fraction 0.070-0.065 µm, 13.8-13.9 phi; Size fraction 0.075-0.070 µm, 13.7-13.8 phi; Size fraction 0.081-0.075 µm, 13.6-13.7 phi; Size fraction 0.086-0.081 µm, 13.5-13.6 phi; Size fraction 0.093-0.086 µm, 13.4-13.5 phi; Size fraction 0.099-0.093 µm, 13.3-13.4 phi; Size fraction 0.106-0.099 µm, 13.2-13.3 phi; Size fraction 0.114-0.106 µm, 13.1-13.2 phi; Size fraction 0.122-0.114 µm, 13.0-13.1 phi; Size fraction 0.131-0.122 µm, 12.9-13.0 phi; Size fraction 0.140-0.131 µm, 12.8-12.9 phi; Size fraction 0.150-0.140 µm, 12.7-12.8 phi; Size fraction 0.161-0.150 µm, 12.6-12.7 phi; Size fraction 0.173-0.161 µm, 12.5-12.6 phi; Size fraction 0.185-0.173 µm, 12.4-12.5 phi; Size fraction 0.198-0.185 µm, 12.3-12.4 phi; Size fraction 0.213-0.198 µm, 12.2-12.3 phi; Size fraction 0.228-0.213 µm, 12.1-12.2 phi; Size fraction 0.244-0.228 µm, 12.0-12.1 phi; Size fraction 0.262-0.244 µm, 11.9-12.0 phi; Size fraction 0.280-0.262 µm, 11.8-11.9 phi; Size fraction 0.301-0.280 µm, 11.7-11.8 phi; Size fraction 0.322-0.301 µm, 11.6-11.7 phi; Size fraction 0.345-0.322 µm, 11.5-11.6 phi; Size fraction 0.370-0.345 µm, 11.4-11.5 phi; Size fraction 0.397-0.370 µm, 11.3-11.4 phi; Size fraction 0.425-0.397 µm, 11.2-11.3 phi; Size fraction 0.456-0.425 µm, 11.1-11.2 phi; Size fraction 0.488-0.456 µm, 11.0-11.1 phi; Size fraction 0.523-0.488 µm, 10.9-11.0 phi; Size fraction 0.561-0.523 µm, 10.8-10.9 phi; Size fraction 0.601-0.561 µm, 10.7-10.8 phi; Size fraction 0.644-0.601 µm, 10.6-10.7 phi; Size fraction 0.691-0.644 µm, 10.5-10.6 phi; Size fraction 0.740-0.691 µm, 10.4-10.5 phi; Size fraction 0.793-0.740 µm, 10.3-10.4 phi; Size fraction 0.850-0.793 µm, 10.2-10.3 phi; Size fraction 0.911-0.850 µm, 10.1-10.2 phi; Size fraction 0.977-0.911 µm, 10.0-10.1 phi; Size fraction 1.047-0.977 µm, 9.9-10.0 phi; Size fraction 1.122-1.047 µm, 9.8-9.9 phi; Size fraction 1.202-1.122 µm, 9.7-9.8 phi; Size fraction 1.289-1.202 µm, 9.6-9.7 phi; Size fraction 1.381-1.289 µm, 9.5-9.6 phi; Size fraction 1.480-1.381 µm, 9.4-9.5 phi; Size fraction 1.586-1.480 µm, 9.3-9.4 phi; Size fraction 1.700-1.586 µm, 9.2-9.3 phi; Size fraction 1.822-1.700 µm, 9.1-9.2 phi; Size fraction 1.953-1.822 µm, 9.0-9.1 phi; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 1000.000-933.033 µm, 0.0-0.1 phi; Size fraction 101.532-94.732 µm, 3.3-3.4 phi; Size fraction 1071.773-1000.000 µm, (-0.1)-0.0 phi; Size fraction 108.819-101.532 µm, 3.2-3.3 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 1148.698-1071.773 µm, (-0.2) to (-0.1) phi; Size fraction 116.629-108.819 µm, 3.1-3.2 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 1231.144-1148.698 µm, (-0.3) to (-0.2) phi; Size fraction 125.000-116.629 µm, 3.0-3.1 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 1319.508-1231.144 µm, (-0.4) to (-0.3) phi; Size fraction 133.972-125.000 µm, 2.9-3.0 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 1414.214-1319.508 µm, (-0.5) to (-0.4) phi; Size fraction 143.587-133.972 µm, 2.8-2.9 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 1515.717-1414.214 µm, (-0.6) to (-0.5) phi; Size fraction 153.893-143.587 µm, 2.7-2.8 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 1624.505-1515.717 µm, (-0.7) to (-0.6) phi; Size fraction 164.938-153.893 µm, 2.6-2.7 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 1741.101-1624.505 µm, (-0.8) to (-0.7) phi; Size fraction 176.777-164.938 µm, 2.5-2.6 phi; Size fraction 1866.066-1741.101 µm, (-0.9) to (-0.8) phi; Size fraction 189.465-176.777 µm, 2.4-2.5 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 2000.000-1866.066 µm, (-1.0) to (-0.9) phi; Size fraction 203.063-189.465 µm, 2.3-2.4 phi; Size fraction 2143.547-2000.000 µm, (-1.1) to (-1.0) phi; Size fraction 217.638-203.063 µm, 2.2-2.3 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 2297.397-2143.547 µm, (-1.2) to (-1.1) phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 233.258-217.638 µm, 2.1-2.2 phi; Size fraction 2462.289-2297.397 µm, (-1.3) to (-1.2) phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 250.000-233.258 µm, 2.0-2.1 phi; Size fraction 2639.016-2462.289 µm, (-1.4) to (-1.3) phi; Size fraction 267.943-250.000 µm, 1.9-2.0 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 287.175-267.943 µm, 1.8-1.9 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 307.786-287.175 µm, 1.7-1.8 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 329.877-307.786 µm, 1.6-1.7 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 353.553-329.877 µm, 1.5-1.6 phi; Size fraction 378.929-353.553 µm, 1.4-1.5 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 406.126-378.929 µm, 1.3-1.4 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 435.275-406.126 µm, 1.2-1.3 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 466.516-435.275 µm, 1.1-1.2 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 500.000-466.516 µm, 1.0-1.1 phi; Size fraction 535.887-500.000 µm, 0.9-1.0 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 574.349-535.887 µm, 0.8-0.9 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 615.572-574.349 µm, 0.7-0.8 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 659.754-615.572 µm, 0.6-0.7 phi; Size fraction 66.986-62.500 µm, 3.9-4.0 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 707.107-659.754 µm, 0.5-0.6 phi; Size fraction 71.794-66.986 µm, 3.8-3.9 phi; Size fraction 757.858-707.107 µm, 0.4-0.5 phi; Size fraction 76.947-71.794 µm, 3.7-3.8 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 812.252-757.858 µm, 0.3-0.4 phi; Size fraction 82.469-76.947 µm, 3.6-3.7 phi; Size fraction 870.551-812.252 µm, 0.2-0.3 phi; Size fraction 88.388-82.469 µm, 3.5-3.6 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; Size fraction 933.033-870.551 µm, 0.1-0.2 phi; Size fraction 94.732-88.388 µm, 3.4-3.5 phi
    Type: dataset
    Format: text/tab-separated-values, 7938 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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