Dittmers, Klaus Hauke; Niessen, Frank; Stein, Ruediger (2008): Sediment thickness and distribution of facies types in the Kara Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.738330, Supplement to: Dittmers, KH et al. (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
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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.
Dittmers, Klaus Hauke (2006): Late Weichselian to Holocene sedimentation in the inner Kara Sea: Qualification and Quantification of Processes. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 523, 185 pp, https://doi.org/10.2312/BzPM_0523_2006
Median Latitude: 75.151750 * Median Longitude: 79.860062 * South-bound Latitude: 68.670000 * West-bound Longitude: 70.090000 * North-bound Latitude: 77.950980 * East-bound Longitude: 89.382770
Datasets listed in this publication series
- Dittmers, KH; Niessen, F; Stein, R (2008): Sediment thickness of the Kara Sea. https://doi.org/10.1594/PANGAEA.338935
- Dittmers, KH; Niessen, F; Stein, R (2008): Spatial distribution of facies types on the Kara Sea shelf (fig 5). https://doi.org/10.1594/PANGAEA.334270