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Kaiser, André (2010): Oceanographic investiations from the Sea of Ochotsk [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.743860, Supplement to: Kaiser, A (2001): Ozeanographie, Produktivität und Meereisverbreitung im Ochotskischen Meer während der letzten ca. 350 ka [dissertation]. Mathematisch-Naturwissenschaftliche Fakultät der Christian-Albrechts-Universität zu Kiel, Germany, 114 pp, urn:nbn:de:gbv:8-diss-5823

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Abstract:
The Sea of Okhotsk is a marginal sea of the Pacific Ocean, which is characterized by strong variations in the productivity and sediment supply due to sea ice transport and river input. Furthermore the variations in the hydrological cycle determine the formation of the SOIW (Sea of Okhotsk Intermediate Water) which plays an important role in the ventilation processes in the intermediate water of the N-Pacific. Isotope data measured on planktonic and benthic foraminifera, sedimentological and geochemical studies of sediment cores and surface samples from the Sea of Okhotsk are used to reconstruct the paleoceanography during the past 350.000 years. The dating and correlation of the sediments are based on oxygen isotope stratigraphy, absolute ages, magnetic susceptibility as well as a detailled tephrachronology of the entire basin. The sedimentation rates are characterized by temporal and spatial variations. The maximum sedimentation rate takes place at the continental slope off Sakhalin due to the input of the Amur River, the sea ice drift and the high productivity. The sedimentation rate in the eastern part of the Sea of Okhotsk is generelly high because of the influence of the nutrient-rich Kamchatka Current. In the central and northern parts of the Sea of Okhotsk, areas with low productivity and reduced terrestrial supply, the sedimentation rate is the lowest. The analyses of the surface sediment samples make it possible to characterize the (sub)- recent sediment supply and transportation processes. The bulk sediment measurements, isotope data and the accumulation rate of ice-rafted debris (IRD) show a dominant sea ice cover and a region with a high productivity as well as a high Amur River input in the western part of the sea. The eastern part of the Sea of Okhotsk, however, is marked by the predominance of warm and nutrient-rich water masses coming from the Kamchatka Current which restricts the sea ice cover. This is reflected in low content of ice-rafted debris and high productivity proxies as well as in isotope data. The deposits of the Sea of Okhotsk are characterized by terrestrial, biogenic and volcanogenic sediment input which varies temporally and spatially. Here, the sedimentation pattern is dominated by the terrestrial input. Bulk sediment measurements and sample analyses of the > 63 micron particle input make it possible to distinguish glacial and interglacial fluctuations. The sedimentation processes during glacial times are determined by a high content of ice-rafted debris, whereas the primary production is higher during interglacial periods. During the last glacial/interglacial cycle the IRD-distribution pattern indicates a strong sea ice transport in the western part and in large areas of the open sea in the eastern part of the Sea of Okhotsk with a relatively constant ice-drift system. The IRD flux in sediments of the oxygen isotope Stage 6 reflects a new sedimentation pattern in the eastern part of the sea. This high IRD accumulation rate indicates ice advances beyond the shelf margin and an iceberg transport from NE-E direction into the Sea of Okhotsk. The several large, brief, negative anomalies in d13C values of Neogloboquadrina pachyderma (s) show releases of methane from basin sediments which correspond to periods of relative sea level falls. The high sedimentation rates on the Sakhalin slope allow insights into the climatic history in Holocene and indicate shorter-scale variations oscillation in Stage 3, which correlate with the global climatic changes. These variations are described as Dansgaard-Oeschger cycles in Greenland ice cores and as Heinrich-Events in several marine sediment cores from the N-Atlantic.
Coverage:
Median Latitude: 51.610459 * Median Longitude: 149.131594 * South-bound Latitude: 48.362283 * West-bound Longitude: 145.309700 * North-bound Latitude: 55.057167 * East-bound Longitude: 153.099150
Date/Time Start: 1992-06-16T00:00:00 * Date/Time End: 1998-08-23T03:25:00
Event(s):
LV27-4-2 * Latitude: 55.057167 * Longitude: 145.734667 * Date/Time: 1996-09-19T00:00:00 * Elevation: -860.0 m * Recovery: 0.27 m * Location: Sea of Okhotsk * Campaign: LV27/GREGORY * Basis: Akademik M.A. Lavrentyev * Method/Device: MultiCorer (MUC)
LV27-4-3 * Latitude: 55.053667 * Longitude: 145.736500 * Date/Time: 1996-09-19T00:00:00 * Elevation: -865.0 m * Recovery: 5.52 m * Location: Sea of Okhotsk * Campaign: LV27/GREGORY * Basis: Akademik M.A. Lavrentyev * Method/Device: Gravity corer (Kiel type) (SL)
LV27-5-4 * Latitude: 54.790167 * Longitude: 149.498667 * Date/Time: 1996-09-20T00:00:00 * Elevation: -476.0 m * Recovery: 2.11 m * Location: Sea of Okhotsk * Campaign: LV27/GREGORY * Basis: Akademik M.A. Lavrentyev * Method/Device: Gravity corer (Kiel type) (SL)
Size:
120 datasets

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Datasets listed in this publication series

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  1. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-4-2. https://doi.org/10.1594/PANGAEA.59450
  2. Kaiser, A (2001): Grain size distribution in sediment core LV27-4-2. https://doi.org/10.1594/PANGAEA.59816
  3. Kaiser, A (2001): Stable isotopes on sediment core LV27-4-2. https://doi.org/10.1594/PANGAEA.59083
  4. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-4-3. https://doi.org/10.1594/PANGAEA.59451
  5. Kaiser, A (2001): Grain size distribution in sediment core LV27-4-3. https://doi.org/10.1594/PANGAEA.59817
  6. Kaiser, A (2001): Physical properties of sediment core LV27-4-3. https://doi.org/10.1594/PANGAEA.59852
  7. Kaiser, A (2001): Stable isotopes on sediment core LV27-4-3. https://doi.org/10.1594/PANGAEA.59084
  8. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-5-4. https://doi.org/10.1594/PANGAEA.59192
  9. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-5-4. https://doi.org/10.1594/PANGAEA.59452
  10. Kaiser, A (2001): Grain size distribution in sediment core LV27-5-4. https://doi.org/10.1594/PANGAEA.59818
  11. Kaiser, A (2001): Physical properties of sediment core LV27-5-4. https://doi.org/10.1594/PANGAEA.59853
  12. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-5-5. https://doi.org/10.1594/PANGAEA.59193
  13. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-5-5. https://doi.org/10.1594/PANGAEA.59453
  14. Kaiser, A (2001): Grain size distribution in sediment core LV27-5-5. https://doi.org/10.1594/PANGAEA.59819
  15. Kaiser, A (2001): Stable isotopes on sediment core LV27-5-5. https://doi.org/10.1594/PANGAEA.59085
  16. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-7-2. https://doi.org/10.1594/PANGAEA.59194
  17. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-7-2. https://doi.org/10.1594/PANGAEA.59454
  18. Kaiser, A (2001): Grain size distribution in sediment core LV27-7-2. https://doi.org/10.1594/PANGAEA.59820
  19. Kaiser, A (2001): Stable isotopes on sediment core LV27-7-2. https://doi.org/10.1594/PANGAEA.59087
  20. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-7-3. https://doi.org/10.1594/PANGAEA.59195
  21. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-7-3. https://doi.org/10.1594/PANGAEA.59455
  22. Kaiser, A (2001): Grain size distribution in sediment core LV27-7-3. https://doi.org/10.1594/PANGAEA.59821
  23. Kaiser, A (2001): Physical properties of sediment core LV27-7-3. https://doi.org/10.1594/PANGAEA.59854
  24. Kaiser, A (2001): Stable isotopes on sediment core LV27-7-3. https://doi.org/10.1594/PANGAEA.59088
  25. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-8-2. https://doi.org/10.1594/PANGAEA.59196
  26. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-8-2. https://doi.org/10.1594/PANGAEA.59456
  27. Kaiser, A (2001): Grain size distribution in sediment core LV27-8-2. https://doi.org/10.1594/PANGAEA.59822
  28. Kaiser, A (2001): Stable isotopes on sediment core LV27-8-2. https://doi.org/10.1594/PANGAEA.59089
  29. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-8-3. https://doi.org/10.1594/PANGAEA.59197
  30. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-8-3. https://doi.org/10.1594/PANGAEA.59457
  31. Kaiser, A (2001): Grain size distribution in sediment core LV27-8-3. https://doi.org/10.1594/PANGAEA.59823
  32. Kaiser, A (2001): Physical properties of sediment core LV27-8-3. https://doi.org/10.1594/PANGAEA.59855
  33. Kaiser, A (2001): Stable isotopes on sediment core LV27-8-3. https://doi.org/10.1594/PANGAEA.59090
  34. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-9-4. https://doi.org/10.1594/PANGAEA.59198
  35. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-9-4. https://doi.org/10.1594/PANGAEA.59458
  36. Kaiser, A (2001): Grain size distribution in sediment core LV27-9-4. https://doi.org/10.1594/PANGAEA.59824
  37. Kaiser, A (2001): Physical properties of sediment core LV27-9-4. https://doi.org/10.1594/PANGAEA.59856
  38. Kaiser, A (2001): Stable isotopes on sediment core LV27-9-4. https://doi.org/10.1594/PANGAEA.59091
  39. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-10-1. https://doi.org/10.1594/PANGAEA.59190
  40. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-10-1. https://doi.org/10.1594/PANGAEA.59446
  41. Kaiser, A (2001): Grain size distribution in sediment core LV27-10-1. https://doi.org/10.1594/PANGAEA.59811
  42. Kaiser, A (2001): Stable isotopes on sediment core LV27-10-1. https://doi.org/10.1594/PANGAEA.59041
  43. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV27-10-5. https://doi.org/10.1594/PANGAEA.59191
  44. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-10-5. https://doi.org/10.1594/PANGAEA.59447
  45. Kaiser, A (2001): Grain size distribution in sediment core LV27-10-5. https://doi.org/10.1594/PANGAEA.59812
  46. Kaiser, A (2001): Physical properties of sediment core LV27-10-5. https://doi.org/10.1594/PANGAEA.59849
  47. Kaiser, A (2001): Stable isotopes on sediment core LV27-10-5. https://doi.org/10.1594/PANGAEA.59042
  48. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-12-2. https://doi.org/10.1594/PANGAEA.59448
  49. Kaiser, A (2001): Grain size distribution in sediment core LV27-12-2. https://doi.org/10.1594/PANGAEA.59813
  50. Kaiser, A (2001): Stable isotopes on sediment core LV27-12-2. https://doi.org/10.1594/PANGAEA.59043
  51. Kaiser, A (2001): Grain size distribution in sediment core LV27-12-3. https://doi.org/10.1594/PANGAEA.59814
  52. Kaiser, A (2001): Physical properties of sediment core LV27-12-3. https://doi.org/10.1594/PANGAEA.59850
  53. Kaiser, A (2001): Stable isotopes on sediment core LV27-12-3. https://doi.org/10.1594/PANGAEA.59044
  54. Kaiser, A (2001): Coarse fraction analysis of sediment core LV27-15-1. https://doi.org/10.1594/PANGAEA.59449
  55. Kaiser, A (2001): Grain size distribution in sediment core LV27-15-1. https://doi.org/10.1594/PANGAEA.59815
  56. Kaiser, A (2001): Physical properties of sediment core LV27-15-1. https://doi.org/10.1594/PANGAEA.59851
  57. Kaiser, A (2001): Stable isotopes on sediment core LV27-15-1. https://doi.org/10.1594/PANGAEA.59082
  58. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-2-2. https://doi.org/10.1594/PANGAEA.59338
  59. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-2-2. https://doi.org/10.1594/PANGAEA.59509
  60. Kaiser, A (2001): Grain size distribution in sediment core LV28-2-2. https://doi.org/10.1594/PANGAEA.59797
  61. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-2-3. https://doi.org/10.1594/PANGAEA.59339
  62. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-2-3. https://doi.org/10.1594/PANGAEA.59510
  63. Kaiser, A (2001): Grain size distribution in sediment core LV28-2-3. https://doi.org/10.1594/PANGAEA.59798
  64. Kaiser, A (2001): Physical properties of sediment core LV28-2-3. https://doi.org/10.1594/PANGAEA.59857
  65. Kaiser, A (2001): Stable isotopes on sediment core LV28-2-3. https://doi.org/10.1594/PANGAEA.59098
  66. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-4-3. https://doi.org/10.1594/PANGAEA.59513
  67. Kaiser, A (2001): Grain size distribution in sediment core LV28-4-3. https://doi.org/10.1594/PANGAEA.59801
  68. Kaiser, A (2001): Stable isotopes on sediment core LV28-4-3. https://doi.org/10.1594/PANGAEA.59100
  69. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-4-4. https://doi.org/10.1594/PANGAEA.59340
  70. Kaiser, A (2001): Color measurements on sediment core LV28-4-4. https://doi.org/10.1594/PANGAEA.59844
  71. Kaiser, A (2001): Grain size distribution in sediment core LV28-4-4. https://doi.org/10.1594/PANGAEA.59802
  72. Kaiser, A (2001): Physical properties of sediment core LV28-4-4. https://doi.org/10.1594/PANGAEA.59859
  73. Kaiser, A (2001): Stable isotopes on sediment core LV28-4-4. https://doi.org/10.1594/PANGAEA.59102
  74. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-34-1. https://doi.org/10.1594/PANGAEA.59511
  75. Kaiser, A (2001): Grain size distribution in sediment core LV28-34-1. https://doi.org/10.1594/PANGAEA.59799
  76. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-34-2. https://doi.org/10.1594/PANGAEA.59512
  77. Kaiser, A (2001): Grain size distribution in sediment core LV28-34-2. https://doi.org/10.1594/PANGAEA.59800
  78. Kaiser, A (2001): Physical properties of sediment core LV28-34-2. https://doi.org/10.1594/PANGAEA.59858
  79. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-40-3. https://doi.org/10.1594/PANGAEA.59341
  80. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-40-3. https://doi.org/10.1594/PANGAEA.59514
  81. Kaiser, A (2001): Grain size distribution in sediment core LV28-40-3. https://doi.org/10.1594/PANGAEA.59803
  82. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-40-4. https://doi.org/10.1594/PANGAEA.59342
  83. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-40-4. https://doi.org/10.1594/PANGAEA.59515
  84. Kaiser, A (2001): Color measurements on sediment core LV28-40-4. https://doi.org/10.1594/PANGAEA.59848
  85. Kaiser, A (2001): Grain size distribution in sediment core LV28-40-4. https://doi.org/10.1594/PANGAEA.59804
  86. Kaiser, A (2001): Physical properties of sediment core LV28-40-4. https://doi.org/10.1594/PANGAEA.59860
  87. Kaiser, A (2001): Stable isotopes on sediment core LV28-40-4. https://doi.org/10.1594/PANGAEA.59103
  88. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-41-3. https://doi.org/10.1594/PANGAEA.59516
  89. Kaiser, A (2001): Grain size distribution in sediment core LV28-41-3. https://doi.org/10.1594/PANGAEA.59805
  90. Kaiser, A (2001): Stable isotopes on sediment core LV28-41-3. https://doi.org/10.1594/PANGAEA.59154
  91. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-41-4. https://doi.org/10.1594/PANGAEA.59343
  92. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-41-4. https://doi.org/10.1594/PANGAEA.59517
  93. Kaiser, A (2001): Color measurements on sediment core LV28-41-4. https://doi.org/10.1594/PANGAEA.59845
  94. Kaiser, A (2001): Grain size distribution in sediment core LV28-41-4. https://doi.org/10.1594/PANGAEA.59806
  95. Kaiser, A (2001): Physical properties of sediment core LV28-41-4. https://doi.org/10.1594/PANGAEA.59863
  96. Kaiser, A (2001): Stable isotopes on sediment core LV28-41-4. https://doi.org/10.1594/PANGAEA.59110
  97. Kaiser, A (2001): Carbon and nitrogen measured on bulk sediment of core LV28-42-3. https://doi.org/10.1594/PANGAEA.59344
  98. Kaiser, A (2001): Coarse fraction analysis of sediment core LV28-42-3. https://doi.org/10.1594/PANGAEA.59518
  99. Kaiser, A (2001): Grain size distribution in sediment core LV28-42-3. https://doi.org/10.1594/PANGAEA.59807
  100. Kaiser, A (2001): Stable isotopes on sediment core LV28-42-3. https://doi.org/10.1594/PANGAEA.59111

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