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  • 1985-1989  (242,248)
  • 1975-1979  (58)
  • 1986  (242,248)
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Year
  • 1
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    Paleoelevations in the Pacific Ocean 35 million years ago (1986)
    PANGAEA
    In:  Supplement to: Volokitina, Lyudmila P; Sedov, Andrey P; Zonenshain, Lev P (1986): Paleobathymetry of the oceans 35 million years ago. Oceanology, 26(1), 71-79
    Details
    Publication Date: 2024-07-01
    Description: Data from deep sea drilling, linear magnetic anomalies and bathymetric measurements together with age and morphometric characteristics of seamounts have been used to construct a paleobathymetric map of the oceans 35 million years ago. A brief analysis of these results is presented.
    Keywords: 118-D_Seamount; 128-D_Seamount; 129-D_Seamount; 142-D_Seamount; 16-160; 16-161A; 16-162; 16-163; 17-164; 17-165; 17-166; 17-167; 17-168; 17-169; 17-170; 17-171; 18-172; 18-178; 19-183; 19-192A; 20-194; 20-195B; 20-196; 20-197; 20-198; 20-199; 20-200; 20-201; 21-204; 21-206; 21-207A; 21-208; 21-209; 21-210; 28-264; 28-267B; 28-269; 28-274; 29-275; 29-276; 29-277; 29-278; 29-280A; 29-281; 29-282; 29-283; 30-286; 30-287; 30-288A; 30-289; 31-290; 31-291; 32-303; 32-304; 32-305; 32-306; 32-307; 32-310; 32-313; 33-314; 33-315A; 33-316; 33-317; 33-317A; 33-318; 34-321; 35-322; 35-323; 5-32; 5-38; 5-39; 5-40; 5-41; 5-42; 55-430; 55-431; 55-432; 55-433; 56-436; 57-439; 62-463; 62-464; 62-465; 62-465A; 62-466; 6-44; 6-45; 6-46; 6-47; 6-48; 6-49; 6-50; 6-51; 6-52; 6-59; 7-61; 7-64; 7-65; 7-67; 8-68; 8-69; 8-69A; 8-70A; 8-71A; 8-72; 8-73; 8-74; 8-75; 9-77B; 9-78; Antarctic Ocean; Antarctic Ocean/BASIN; Antarctic Ocean/CONT RISE; Antarctic Ocean/PLAIN; Antarctic Ocean/PLATEAU; Antarctic Ocean/Tasman Sea; Antarctic Ocean/Tasman Sea/CONT RISE; Archive of Ocean Data; ARCOD; Bikini_atoll_Seamount; Cape_Johnson_Seamount; Cross_Seamount; Daikakuji_Seamount; Daini-kashima_Seamount; Darwin_Seamount; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Eiko_Seamount; Eniwetok_atoll_Seamount; Eniwetok Atoll, Central Pacific; Evelyn_Seamount; G-19171_Seamount; Glomar Challenger; HD-1_Seamount; Hess_Seamount; Horizon_Seamount; Indian Ocean//PLATEAU; Isakov_Seamount; Ita-Mai_Tai_Seamount; Jacklin_Seamount; Jingu_Seamount; Kanmu_Seamount; Kapsitotva_Seamount; Khachaturian_Seamount; Kinmei_Seamount; Koko_Seamount; Lamont_Seamount; Leg16; Leg17; Leg18; Leg19; Leg20; Leg21; Leg28; Leg29; Leg30; Leg31; Leg32; Leg33; Leg34; Leg35; Leg5; Leg55; Leg56; Leg57; Leg6; Leg62; Leg7; Leg8; Leg9; Makarov_Seamount; Meiji_Seamount; Menard_Seamount; Miami_Seamount; Necker_Ridge_Seamount; Necker_Seamount; Nintoku_Seamount; North Pacific; North Pacific/ABYSSAL FLOOR; North Pacific/BASIN; North Pacific/CONT RISE; North Pacific/FAN; North Pacific/GUYOT; North Pacific/HILL; North Pacific/Philippine Sea/RIDGE; North Pacific/Philippine Sea/TRENCH; North Pacific/PLAIN; North Pacific/PLATEAU; North Pacific/RIDGE; North Pacific/SEAMOUNT; North Pacific/SEDIMENT POND; North Pacific/TERRACE; North Pacific/TRENCH; North Pacific/TROUGH; Ojin_Seamount; Pacific Ocean; Rahmaninov_Seamount; Ryofu_Seamount; Scripps_Seamount; Seiko_Seamount; Seventoe_Seamount; Shepard_Seamount; South Pacific; South Pacific/BASIN; South Pacific/CONT RISE; South Pacific/Coral Sea; South Pacific/Coral Sea/BASIN; South Pacific/Coral Sea/PLATEAU; South Pacific/PLATEAU; South Pacific/RIDGE; South Pacific/Tasman Sea/BASIN; South Pacific/Tasman Sea/CONT RISE; South Pacific/TRENCH; Station_6348-V_Seamount; Stu_Seamount; Suiko_Seamount; Sylvania_Seamount; Sysoyev_Seamount; T.Washington_Seamount; Unnamed_Seamount; Wentworth_Seamount; Wilder_Seamount; Winterer_Seamount; Yomei_Seamount; Yuryaku_Seamount; Z-4-1_Seamount; Z-4-2_Seamount; Z-4-3_Seamount
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Lithic grain and mineral composition of sand and sandstones from the North Pacific Ocean and the Bering Sea (Table 3) (1986)
    PANGAEA
    In:  Supplement to: Gergen, Leslie Dickson; Ingersoll, Raymond V (1986): Petrology andprovenanve of Deep Sea Drilling Project sand and sandstone from the North Pacific Ocean and the Bearing Sea. Sedimentary Geology, 51(1-2), 29-56, https://doi.org/10.1016/0037-0738(86)90023-0
    Details
    Publication Date: 2024-07-01
    Description: Sand and sandstone compositions from different types of basins reflect provenance terranes governed by plate tectonics. One hundred and one thin sections of Upper Miocene to Holocene sand-sized material were examined from DSDP/IPOD Sites in the North Pacific Ocean and the Bering Sea. The Gazzi-Dickinson point-counting method was used to establish compositional characteristics of sands from different tectonic settings. Continental margin forearc sands from the western North America continental margin arc system are clearly different from backarc/marginal-sea sands from the Aleutian intraoceanic arc system. The forearc sands have average QFL percentages of 29-42-29, LmLvLst percentages of 32-34-34, 3 Fmwk%M and 0.82 P/F. Aleutian backarc sands have average QFL percentages of 8-22-69. LmLvLst percentages of 9-85-6, 0.5 Fmwk%M and 0.96 P/F. A trend of increasing QFL%Q and decreasing LmLvLst%Lv westward in the backarc region of the Aleutian Ridge reflects the influence of the Asiatic continental margin. Aleutian backarc sands without continental influence have average QFL percentages of 1-20-79, LmLvLst percentages of 1-98-1, 0 Fmwk%M and 0.99 P/F. Of the continental margin forearc samples, sands on the Astoria Fan (west of the Oregon-Washington trench) contain the highest LmLvLst%Lv and lowest P/F; sands from mixed transform-fault and trench settings (Delgada Fan and Gulf of Alaska samples) have slightly higher Qp/Q (0.03); and sands from the Pacific-Juan de Fuca-North America triple junction have the highest Fmwk%M. Delgada Fan and Gulf of Alaska sands have average QFL percentages of 27-38-35, LmLvLst percentages of 37-26-37, 2 Fmwk%M and 0.86 P/F. Astoria Fan sands have average QFL percentages of 35-41-24, LmLvLst percentages of 30-47-23, 3 Fmwk%M and 0.74 P/F. The triple-junction sands have average QFL percentages of 28-59-13, LmLvLst percentages of 25-26-49, 9 Fmwk%M and 0.87 P/F. The petrologic data from the modern ocean basins examined in this study can provide useful analogs for interpretation of ancient oceanic sequences. Our data suggest some refinements of, but generally substantiate, existing petrologic models relating sandstone composition to tectonic setting.
    Keywords: 18-173; 18-174; 18-174A; 18-177A; 18-178; 18-179; 18-180; 18-181; 18-182; 19-184; 19-184B; 19-185; 19-188; 19-190; 5-32; 5-34; AGE; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Event label; Feldspar; Glomar Challenger; Heavy minerals; Kalifeldspar; Leg18; Leg19; Leg5; Lithic grains; North Pacific/Bering Strait/BASIN; North Pacific/Bering Strait/PLATEAU; North Pacific/Bering Strait/RIDGE; North Pacific/Bering Strait/SPUR; North Pacific/FAN; North Pacific/PLAIN; North Pacific/RIDGE; North Pacific/SLOPE; North Pacific/TRENCH; Phyllosilicate; Plagioclase; Plagioclase/Feldspar ratio; Point counting; Quartz; Quartz, monocrystalline; Quartz, polycrystalline; Quartz, polycrystalline/quartz, total ratio; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 1997 data points
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  • 3
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    (Table 1) Calculated paleoelevations of drillhole points 35 million years ago (1986)
    PANGAEA
    Details
    Publication Date: 2024-07-01
    Keywords: 16-160; 16-161A; 16-162; 16-163; 17-164; 17-165; 17-166; 17-167; 17-168; 17-169; 17-170; 17-171; 18-172; 18-178; 19-183; 19-192A; 20-194; 20-195B; 20-196; 20-197; 20-198; 20-199; 20-200; 20-201; 21-204; 21-206; 21-207A; 21-208; 21-209; 21-210; 28-264; 28-267B; 28-269; 28-274; 29-275; 29-276; 29-277; 29-278; 29-280A; 29-281; 29-282; 29-283; 30-286; 30-287; 30-288A; 30-289; 31-290; 31-291; 32-303; 32-304; 32-305; 32-306; 32-307; 32-310; 32-313; 33-314; 33-315A; 33-316; 33-317; 33-317A; 33-318; 34-321; 35-322; 35-323; 5-32; 5-38; 5-39; 5-40; 5-41; 5-42; 55-430; 55-431; 55-432; 55-433; 56-436; 57-439; 62-463; 62-464; 62-465; 62-465A; 62-466; 6-44; 6-45; 6-46; 6-47; 6-48; 6-49; 6-50; 6-51; 6-52; 6-59; 7-61; 7-64; 7-65; 7-67; 8-68; 8-69; 8-69A; 8-70A; 8-71A; 8-72; 8-73; 8-74; 8-75; 9-77B; 9-78; Age, dated; Age, dated standard deviation; Age, paleomagnetic; Antarctic Ocean; Antarctic Ocean/BASIN; Antarctic Ocean/CONT RISE; Antarctic Ocean/PLAIN; Antarctic Ocean/PLATEAU; Antarctic Ocean/Tasman Sea; Antarctic Ocean/Tasman Sea/CONT RISE; Archive of Ocean Data; ARCOD; Calculated; Comment; Continuous seismic profiling; DRILL; Drilling/drill rig; Elevation of event; Event label; Glomar Challenger; Indian Ocean//PLATEAU; Isostasy; Latitude of event; Leg16; Leg17; Leg18; Leg19; Leg20; Leg21; Leg28; Leg29; Leg30; Leg31; Leg32; Leg33; Leg34; Leg35; Leg5; Leg55; Leg56; Leg57; Leg6; Leg62; Leg7; Leg8; Leg9; Longitude of event; North Pacific; North Pacific/ABYSSAL FLOOR; North Pacific/BASIN; North Pacific/CONT RISE; North Pacific/FAN; North Pacific/GUYOT; North Pacific/HILL; North Pacific/Philippine Sea/RIDGE; North Pacific/Philippine Sea/TRENCH; North Pacific/PLAIN; North Pacific/PLATEAU; North Pacific/RIDGE; North Pacific/SEAMOUNT; North Pacific/SEDIMENT POND; North Pacific/TERRACE; North Pacific/TRENCH; North Pacific/TROUGH; Paleoelevation; Sediment thickness; South Pacific; South Pacific/BASIN; South Pacific/CONT RISE; South Pacific/Coral Sea; South Pacific/Coral Sea/BASIN; South Pacific/Coral Sea/PLATEAU; South Pacific/PLATEAU; South Pacific/RIDGE; South Pacific/Tasman Sea/BASIN; South Pacific/Tasman Sea/CONT RISE; South Pacific/TRENCH
    Type: Dataset
    Format: text/tab-separated-values, 548 data points
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  • 4
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    Documentation and sedimentology of core PS1021-1 from the Antarctic continental margin off Kap Norvegia (1986)
    PANGAEA
    In:  Supplement to: Grobe, Hannes (1986): Sedimentation processes on the antarctic continental margin at Kapp Norvegia during the Late Pleistocene. Geologische Rundschau, 75/1, 97-104, https://doi.org/10.1007/BF01770181
    Details
    Publication Date: 2024-06-28
    Description: Sedimentological analyses concerning ice rafted debris, grain size distribution, biogenous components, and clay mineral composition of four sediment cores from the Antarctic continental margin off Kapp Norvegia reveal a cyclical pattern of three different sediment facies. These are classified into warm and cold types representing warm and cold climatic periods and a short transition period from cold to warm events. The sedimentological parameters reflect the variations within the cryosphere and the hydrosphere, which are directly influenced by the climatic fluctuations. The unusually high content of carbonaceous planktonic and benthonic foraminifera in these polar sediments, as well as the interfingering of terrigeneous and biogeneous-rich sediments with increasing distance from the continent, might reflect the influence of the Weddell Sea Polynya and the oscillations of polynya, pack-ice and ice shelf extent during the late Pleistocene.
    Keywords: ANT-I/2; AWI_Paleo; Gravity corer (Kiel type); Kapp Norvegia; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS01; PS01/221; PS1021-1; SL
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 5
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    Pollen analysis of surface sediment off northwest Africa (1986)
    PANGAEA
    In:  Supplement to: Hooghiemstra, Henry; Agwu, Chiori O C; Beug, Hans-Jürgen (1986): Pollen and spore distribution in recent marine sediments: a record of NW-African seasonal wind patterns and vegetation belts. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe C Geologie und Geophysik, Gebrüder Bornträger, Berlin, Stuttgart, C40, 87-135
    Details
    Publication Date: 2024-06-26
    Description: Over 100 samples of recent surface sediments from the bottomn of the Atlantic Ocean offshore NW Africa between 34° and 6° N have been analysed palynologically. The objective of this study was to reveal the relation between source areas, transport systems, and resulting distribution patterns of pollen and spores in marine sediments off NW Africa, in order to lay a sound foundation for the interpretation of pollen records of marine cores from this area. The clear zonation of the NW-African vegetation (due to the distinct climatic gradient) is helpful in determining main source areas, and the presence of some major wind belts facilitates the registration of the average course of wind trajectories. The present circulation pattern is driven by the intertropical front (ITCZ) which shifts over the continent between c. 22° N (summer position) and c. 4° N (winter position) in the course of the year. Determination of the period of main pollen release and the average atmospheric circulation pattern effective at that time of the years is of prime importance. The distribution patterns in recent marine sediments of pollen of a series of genera and families appear to record climatological/ecological variables, such as the trajectory of the NE trade, January trades, African Easterly Jet (Saharan Air Layer), the northernmost and southernmost position of the intertropical convergence zone, and the extent and latitudinal situation of the NW-African vegetation belt. Pollen analysis of a series of dated deep-sea cores taken between c. 35° and the equator off NW African enable the construction of paleo-distribution maps for time slices of the past, forming a register of paleoclimatological/paleoecological information.
    Keywords: 371; 373; 375; 376; 377; 378; 388; Atlantic Ocean; BC; BCR; Box corer; Box corer (Reineck); Dredge, frame; DRG_F; East Atlantic; FGGE-Equator 79 - First GARP Global Experiment; GEOTROPEX 83, NOAMP I; Giant box corer; GIK12301-5; GIK12306-4; GIK12308-3; GIK12309-3; GIK12313-2; GIK12316-1; GIK12326-4; GIK12327-4; GIK12328-4; GIK12331-3; GIK12336-1; GIK12340-5; GIK12342-1; GIK12343-1; GIK12344-6; GIK12345-5; GIK12349-7; GIK12350-2; GIK12360-3; GIK12361-3; GIK12362-1; GIK12367-3; GIK12378-1; GIK13209-2; GIK13211-3; GIK13218-1; GIK13228-1; GIK13530-1; GIK13532-1; GIK13533-3; GIK13534-1; GIK13556-1; GIK13585-1; GIK15628-1; GIK15629-1; GIK15630-1; GIK15632-2; GIK15634-1; GIK15635-4; GIK15638-2; GIK15639-1; GIK15640-1; GIK15641-2; GIK15642-1; GIK15643-1; GIK15644-1; GIK15645-1; GIK15646-1; GIK15648-1; GIK15651-4; GIK15652-1; GIK15653-1; GIK15654-1; GIK15657-1; GIK15658-5; GIK15659-1; GIK15660-1; GIK15663-2; GIK15664-2; GIK15666-2; GIK15667-1; GIK15669-1; GIK15677-1; GIK15678-1; GIK16017-1; GIK16019-1; GIK16401-2; GIK16402-1; GIK16403-1; GIK16407-1; GIK16408-2; GIK16410-1; GIK16411-1; GIK16412-1; GIK16413-1; GIK16415-1; GIK16416-1; GIK16417-1; GIK16419-1; GIK16420-1; GIK16421-1; GIK16422-2; GIK16424-1; GIK16425-1; GIK16426-3; GIK16427-2; GIK16437-3; GIK16751-1; GIK16753-1; GIK16754-1; GIK16755-1; GIK16756-1; GIK16757-1; GIK16758-2; GIK16759-1; GIK16760-1; GIK16761-1; GIK16762-2; GIK16763-1; GIK16764-1; GIK16765-1; GIK16766-1; GIK16767-1; GIK16768-1; GKG; Gravity corer (Kiel type); KAL; Kasten corer; KOL; M25; M30; M30_221; M30_226; M30_249; M30_250; M30_253; M30_314; M30_316; M30_331; M51; M53; M53_158-3; M53_164-1; M53_166-1; M53_167; M53_169; M6/5; M60; M65; Meteor (1964); Meteor (1986); MUC; MultiCorer; Northeast Atlantic; off Guinea; off West Africa; Piston corer (Kiel type); SL; South Atlantic Ocean; SPC; Sphincter corer; SUBTROPEX 82; VA-10/3; Valdivia (1961); van Veen Grab; VGRAB; Westafrika 1973
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 6
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    Sedimentology on cores off Filchner Shelf Ice, Weddell Sea, Antarctica (1986)
    PANGAEA
    In:  Supplement to: Haase, Gerhard M (1986): Glaciomarine sediments along the Filchner/Rønne Ice Shelf, southern Weddell Sea — First results of the 1983/84 Antarktis-II/4 expedition. Marine Geology, 72(3-4), 241-258, https://doi.org/10.1016/0025-3227(86)90122-2
    Details
    Publication Date: 2024-06-26
    Description: Sediment sampling with box corer and gravity corer was conducted along a profile parallel to the Filchner/Rønne Ice Shelf, from 48° to 61°W. Twenty-two sampling locations were determined after evaluation of 12 and 3.5 kHz sub-bottom profiling records. The sediment retrievals show a wide diversity, varying from very well sorted pure sands in the SE of the profile to heavily glacially influenced, pebbly muds close to the foot of the Antarctic Peninsula. In the middle part of the profile mainly soft sediments of muddy to sandy muds were found which were partially influenced by glacially derived dropstones or accumulations of pebble-sized material. The striking changes of surface sediments (marine to glacial) observed along the profile led to an attempt to investigate the concurrence of marine and glacial depositional processes controlling the accumulation of these recent sediments.
    Keywords: ANT-II/4; AWI_Paleo; Filchner Shelf; Giant box corer; GKG; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS04; PS04/318; PS04/334; PS04/335; PS04/337; PS04/340; PS04/346; PS04/348; PS04/350; PS04/351; PS04/357; PS04/433; PS04/434; PS04/472; PS1194-1; PS1196-1; PS1197-1; PS1197-2; PS1198-1; PS1199-1; PS1199-2; PS1200-2; PS1200-4; PS1201-1; PS1210-1; PS1210-2; PS1214-1; SL
    Type: Dataset
    Format: application/zip, 13 datasets
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  • 7
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    Physical and chemical properties, 14C ages and palynology of sediment cores from the Western Baltic Sea (1986)
    PANGAEA
    In:  Supplement to: Winn, Kyaw; Averdieck, Fritz-Rudolf; Erlenkeuser, Helmut; Werner, Friedrich (1986): Holocene sea level rise in the western Baltic and the question of isostatic subsidence. Meyniana, 38, 61-80, https://doi.org/10.2312/meyniana.1986.38.61
    Details
    Publication Date: 2024-06-26
    Description: Sea level related radiocarbon, palynological and stratigraphical data from sediment cores in the Western Baltic have been tested against the existing sea level curves for the region. The relative sea level rise curves for the beginning of the Holocene show no significant deviations between the Kiel, Mecklenburg und Lübeck Bays and hence do not support the previously reported differences in the averaged regional subsidence rates for this time interval. Local subsidence and upheaval due to salt tectonics probably played a greater role than previously suspected in the region. The sea level possibly stagnated around -28 m during the early Holocene before rising very rapidly to -14 m. The submarine terraces at -30 m and perhaps also at -27 m were formed during the lacustrine phase of the Western Baltic when the water levels were controlled by the main thresholds in the Great Belt.
    Keywords: Baltic Sea; Bay of Kiel, Baltic Sea; BC; Boknis Eck; Box corer; Eckernförder Bucht; Falshoeft Channel, Kiel Bay; Fem_E143c; Fern_44b; Fluegge Channel, Kiel Bay; GC; GIK_LS1; GIK00334; GIK02002; GIK02063; GIK10006-1; GIK10012-1; GIK10030-1; GIK10047-1; GIK10051-1; GIK10056-1; GIK10385-1; GIK10511-1; GIK10517-1; GIK10554-1; GIK10860-1; GIK10869-1; GIK10872; GIK11881-1; GIK11882-1; GIK12519-1; GIK12522-2; GIK12773; GIK12886-1; GIK13367; GIK13368; GIK13371; GIK13704-1; GIK13712-1; GIK13949-1; GIK14361-1; GIK14362-1; GIK14363-1; GIK14365-1; GIK14366-1; GIK14367-1; GIK14368-1; GIK14369-1; GIK14849-1; GIK14850-1; GIK14851-1; GIK14852-1; GIK14858-1; GIK15301-1; GIK15304-1; GIK15309-1; GIK15314-1; GIK15324-1; GIK15342-1; GIK15384-1; GIK15386-1; GIK15391-1; GIK15392-1; GIK15393-1; GIK15396-1; GIK15399-1; GIK15496-1; GIK-cruise; Graet Belt Channel (Western Baltic); Gravity corer; Gravity corer (Kiel type); Great Belt, western Baltic Sea, off Denmark; Hermann Wattenberg; KAL15; Kasten corer 15 cm; LI197x; LI198x; Littorina; Mecklenburg Bay; Neustadt-Luebeck Bay; PL3/81; PL4/79; PL69; Planet II (1967-2004); POS40; POS46/2; POS53; POS54; POS79; Poseidon; SL; SW Sagas Bank, Mecklenburg Bay; VC; Vejsnaes Channel, Kiel Bay; Vejsnaes Shoal, Kiel Bay; Vibro corer; WA197x; Wattenburg Channel, Kiel Bay; Western Baltic Sea; WIL197x; William
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 8
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    Distribution and abundance of the planktic foraminifer Neogloboquadrina pachyderma in sea ice of the Weddell Sea (Antarctica), (Table, 1) (1986)
    PANGAEA
    In:  Supplement to: Spindler, Michael; Dieckmann, Gerhard S (1986): Distribution and abundance of the planktic foraminifer Neogloboquadrina pachyderma in sea ice of the Weddell Sea (Antarctica). Polar Biology, 5(3), 185-191, https://doi.org/10.1007/BF00441699
    Details
    Publication Date: 2024-06-26
    Description: Sea ice cores were obtained from eleven fast ice stations and one floe in the Weddell Sea, Antarctica in January-February 1985. All cores from the north eastern part of the Weddell Sea contained numerous living and dead planktic foraminifers of the species Neogloboquadrina pachyderma (Ehrenberg), while cores drilled in southern parts were barren of foraminifers with one exception. Foraminiferal abundances were variable, with numbers up to 320 individuals per liter melted sea ice. Distribution of foraminifers appears to be patchy, parallel cores taken less than 30 cm apart contained numbers which varied considerably. On the other hand, three cores taken on a transect each more than 3 km apart showed striking similarities. In general, small dead tests were found in the upper parts of the sea ice cores while large living individuals mainly occurred in lower sections. Abundant diatoms probably serve as a food source for the foraminifers. Correlation of foraminiferal abundance with salinity, chlorophyll and nutrient profiles are inconsistent. The possible mechanism of incorporation of N. pachyderma into the ice is discussed.
    Keywords: ANT-III/3; AWI_BioOce; Biological Oceanography @ AWI; Chlorophyll a; DEPTH, ice/snow; Event label; Latitude of event; Length, total; Longitude of event; MULT; Multiple investigations; Neogloboquadrina pachyderma; Optional event label; Polarstern; PS06/245; PS06/264; PS06/274; PS06/284; PS06/292; PS06/303; PS06/307; PS06/309; PS06/319; PS06/331; PS06/357; PS06 SIBEX; Salinity; Sample code/label; Snow thickness; Temperature, ice/snow; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 134 data points
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  • 9
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    Grain size distribution of sediment core PS1196-1 (1986)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-II/4; AWI_Paleo; DEPTH, sediment/rock; Filchner Shelf; gcmd1; Giant box corer; GKG; Grain size, sieving; Grain size, sieving/settling tube; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS04; PS04/334; PS1196-1; Sand; Silt; Size fraction 〈 0.002 mm, clay; Size fraction 〉 2 mm, gravel
    Type: Dataset
    Format: text/tab-separated-values, 40 data points
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  • 10
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    Unknown
    Sedimentology of core PS1200-2 (1986)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-II/4; AWI_Paleo; Calcium carbonate; Calculated after FOLK; Carbon, organic, total; DEPTH, sediment/rock; Element analysis coulometric; Filchner Shelf; gcmd1; Grain size, mean; Grain size, sieving; Grain size, sieving/settling tube; Gravity corer (Kiel type); Kurtosis; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS04; PS04/350; PS1200-2; Sand; Silt; Size fraction 〈 0.002 mm, clay; Size fraction 〉 2 mm, gravel; Skewness; SL; Sorting in phi; Water content, wet mass
    Type: Dataset
    Format: text/tab-separated-values, 193 data points
    Location Call Number Expected Availability
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