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  • 1
    Series available for loan
    Series available for loan
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Associated volumes
    Call number: ZSP-168-523 ; ZS-090(523)
    In: Berichte zur Polar- und Meeresforschung
    Type of Medium: Series available for loan
    Pages: 171 S.
    ISSN: 1618-3193
    Series Statement: Berichte zur Polar- und Meeresforschung 523
    Classification:
    Sedimentology
    Note: Zugl.: Bremen, Univ., Diss., 2005
    Location: AWI Reading room
    Location: Lower compact magazine
    Branch Library: AWI Library
    Branch Library: GFZ Library
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  • 2
    Publication Date: 2023-03-16
    Keywords: AWI_Paleo; Bankful depth; Bankful width; Bankful width/depth ratio; Calculated; Depression; Depth, bathymetric; LATITUDE; LONGITUDE; Narrow Beam Sounder; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Sediment thickness; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: text/tab-separated-values, 60 data points
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  • 3
    Publication Date: 2023-03-16
    Keywords: AWI_Paleo; Bankful depth; Bankful width; Bankful width/depth ratio; Calculated; Depression; Depth, bathymetric; LATITUDE; LONGITUDE; Narrow Beam Sounder; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Sediment thickness; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: text/tab-separated-values, 288 data points
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  • 4
    Publication Date: 2023-03-16
    Keywords: AWI_Paleo; Bankful depth; Bankful width; Bankful width/depth ratio; Calculated; Depression; Depth, bathymetric; LATITUDE; LONGITUDE; Narrow Beam Sounder; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Sediment thickness; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: text/tab-separated-values, 558 data points
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  • 5
    Publication Date: 2023-03-16
    Keywords: AWI_Paleo; Bankful depth; Bankful width; Bankful width/depth ratio; Calculated; Depression; Depth, bathymetric; LATITUDE; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; ParaSound (Atlas Hydrographic); Sediment thickness; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: text/tab-separated-values, 144 data points
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  • 6
    Publication Date: 2023-03-16
    Keywords: Akademik Boris Petrov; BP00; BP00-02; BP00-05; BP00-07; BP00-08; BP00-09; BP00-13; BP00-15; BP00-19; BP00-26; BP00-29; BP00-30; BP00-31; BP00-38; BP01; BP01-01; BP01-03; BP01-07; BP01-11; BP01-14; BP01-16; BP01-23; BP01-24; BP01-25; BP01-28; BP01-29; BP01-31; BP01-32; BP01-34; BP01-36; BP01-37; BP01-38; BP01-41; BP01-43; BP01-45; BP01-47; BP01-48; BP01-51; BP01-55; BP01-56; BP01-57; BP01-58; BP01-60; BP01-63; BP01-64; BP01-65; BP01-67; BP01-73; BP01-73a; BP01-74; BP01-75; BP01-77; BP01-78; BP01-79; BP01-80; BP01-82; BP01-83; BP99; BP99-01; BP99-02; BP99-03; BP99-11; BP99-12; BP99-13; BP99-17; BP99-18; BP99-19; BP99-20; BP99-24; BP99-25; BP99-28; BP99-29; BUCKET; Bucket water sampling; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, sediment/rock; Dredge; DRG; Elevation of event; Event label; Grain size, SEDIGRAPH 5100; Kara Sea; Latitude of event; Longitude of event; MULT; Multiple investigations; Siberian River Run-Off; SIRRO; Size fraction 10.309-9.618 µm, 6.6-6.7 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 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 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 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 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 31.250-29.157 µm, 5.0-5.1 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 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 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 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 54.409-50.766 µm, 4.2-4.3 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 62.500-58.315 µm, 4.0-4.1 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 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 3519 data points
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  • 7
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    PANGAEA
    In:  Supplement to: Dittmers, Klaus Hauke; Niessen, Frank; Stein, Ruediger (2008): Late Weichselian Fluvial Evolution on the Southern Kara Sea Shelf, North Siberia. Global and Planetary Change, 60(3-4), 327-350, https://doi.org/10.1016/j.gloplacha.2006.12.006
    Publication Date: 2023-05-12
    Description: Glaciations had a profound impact on the global sea-level and particularly on the Arctic environments. One of the key questions related to this topic is, how did the discharge of the Siberian Ob and Yenisei rivers interact with a proximal ice sheet? In order to answer this question high-resolution (1-12 kHz), shallow-penetration seismic profiles were collected on the passive continental margin of the Kara Sea Shelf to study the paleo-drainage pattern of the Ob and Yenisei rivers. Both rivers incised into the recent shelf, leaving filled and unfilled river channels and river canyons/valleys connecting to a complex paleo-drainage network. These channels have been subaerially formed during a regressive phase of the global sea-level during the Last Glacial Maximum. Beyond recent shelf depths of 120 m particle transport is manifested in submarine channel-levee complexes acting as conveyor for fluvial-derived fines. In the NE area, uniform draping sediments are observed. Major morphology determining factors are (1) sea-level fluctuations and (2) LGM ice sheet influence. Most individual channels show geometries typical for meandering rivers and appear to be an order of magnitude larger than recent channel profiles of gauge stations on land. The Yenisei paleo-channels have larger dimensions than the Ob examples and could be originated by additional water release during the melt of LGM Putoran ice masses. Asymmetrical submarine channel-levee complexes with channel depths of 60 m and more developed, in some places bordered by glacially dominated morphology, implying deflection by the LGM ice masses. A total of more than 12,000 km of acoustic profiles reveal no evidence for an ice-dammed lake of greater areal extent postulated by several workers. Furthermore, the existence of the channel-levee complexes is indicative of unhindered sediment flow to the north. Channels situated on the shelf above 120-m water depth exhibit no phases of ponding and or infill during sea-level lowstand. These findings denote the non-existence of an ice sheet on large areas of the Kara Sea shelf.
    Keywords: AWI_Paleo; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 8
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    Unknown
    PANGAEA
    In:  Supplement to: Dittmers, Klaus Hauke; Niessen, Frank; Stein, Ruediger (2008): Acoustic facies on the inner Kara Sea Shelf: implications for late Weichselian to Holocene sediment dynamics. Marine Geology, 254(3-4), 197-215, https://doi.org/10.1016/j.margeo.2008.06.004
    Publication Date: 2023-05-12
    Description: We studied the impact of the last glacial (late Weichselian) sea level cycle on sediment architecture in the inner Kara Sea using high-resolution acoustic sub-bottom profiling. The acoustic lines were ground-truthed with dated sediment cores. Furthermore we refined the location of the eastern LGM ice margin, by new sub bottom profiles. New model results of post-Last Glacial Maximum (LGM) isostatic rebound for this area allow a well-constrained interpretation of acoustic units in terms of sequence stratigraphy. The lowstand (or regressive) system tract sediments are absent but are represented by an unconformity atop of Pleistocene sediments on the shelf and by a major incised dendritic paleo-river network. The subsequent transgressive and highstand system tracts are best preserved in the incised channels and the recent estuaries while only minor sediment accumulation on the adjacent shelf areas is documented. The Kara Sea can be subdivided into three areas: estuaries (A), the shelf (B) and (C) deeper lying areas that accumulated a total of 114 * 10**10 t of Holocene sediments.
    Keywords: AWI_Paleo; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 9
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    PANGAEA
    In:  Supplement to: Stein, Ruediger; Fahl, Kirsten; Dittmers, Klaus Hauke; Niessen, Frank; Stepanets, Oleg V (2003): Holocene siliciclastic and organic carbon fluxes in the Ob and Yenisei estuaries and the adjacent inner Kara Sea: Quantification, variability, and paleoenvironmental implications. In: Stein, R; Fahl, K; Fütterer, D K; Galimov, E M & Stepanets, O V (eds.), Siberian River Run-off in the Kara Sea: Characterisation, Quantification, Variability, and Environmental Significance, 488 pp. Proceedings in Marine Sciences, Elsevier, Amsterdam, 6, 401-432
    Publication Date: 2023-03-16
    Description: AMS-14C dated sediment cores from the Ob and Yenisei estuaries and the adjacent inner Kara Sea were investigated to determine the siliclastic and organic carbon fluxes and their relationship to paleoenvironmental changes. The variability of sediment fluxes during Holocene times is related to the post-glacial sea-level rise and changes in river discharge and coastal erosion input. Whereas during the late/middle Holocene most of the terrigenous sediments were deposited in the estuaries and the areas directly off the estuaries, huge amounts of sediments accumulated on the Kara Sea shelf farther north during the early Holocene before about 9 Cal. kyrs. BP. The maximum accumulation at that time is related to the lowered sea level, increased coastal erosion, and increased river discharge due to the final stage of mountain deglaciation of the Putoran Massif. Increased supply of Yenisei-derived material indicated by peak magnetic susceptibility values probably occurred in climate-related pulses culminating near 11, 10, and 9 Cal. kyrs. BP. As sea level rose, the main Holocene depocenter migrated southward. Based on hydrogen index values and n-alkanes, the organic matter is predominantly of terrigenous origin. Maximum accumulation rates of 1.5 to more than 6 g/cm**2/y occurred in the early Holocene sediments, suggesting more humid climatic conditions with an increased vegetation cover in the source area at that time. In general, high organic carbon accumulation rates characterize the estuaries and the inner Kara Sea as important sink for terrigenous organic carbon. A high-resolution record of Holocene variability of magnetic susceptibility (MS) in an AMS14C-dated sediment core from the northern Yenisei estuary may indicate natural variability of Arctic climate change and river discharge on a centennial to millenial time scale. Short-term maxima in MS probably related to warmer climate, enhanced precipitation, intensified weathering/erosion and increased river discharge, display a frequency of about 300 to 700 years.
    Keywords: Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: application/zip, 13 datasets
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  • 10
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    Unknown
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2023-03-16
    Keywords: Quaternary Environment of the Eurasian North; QUEEN; Siberian River Run-Off; SIRRO
    Type: Dataset
    Format: application/zip, 2.2 MBytes
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