Kuptsov, Vladimir M; Lisitzin, Alexander P; Shevchenko, Vladimir P; Burenkov, Vladimir I (1999): Suspended matter on the meridional section in the Laptev Sea in August-September 1991 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.760871, Supplement to: Kuptsov, VM et al. (1999): Suspended matter fluxes in the bottom sediments of the Laptev Sea. Translated from Okeanologiya, 1999, 39(4), 597-604, Oceanology, 39(4), 543-549
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Published: 1999 (exact date unknown) • DOI registered: 2011-06-15
Abstract:
Suspended matter concentration along a meridian section from the Lena River delta to 78°N (~500 km) at ten stations from the surface to the bottom was studied with weight and optical (light attenuation index) techniques. At seven stations average residence time of suspended matter in surface waters was determined by the disequilibrium 234Th method. Average residence time of suspended matter in other depth intervals was calculated by regression dependence between the 234Th/238U ratio and suspended matter concentration. Differential and integral fluxes of suspended matter in the water column were also calculated. Nepheloid matter dominates in suspended matter composition in surface waters. Calculations indicate that, before being buried on the bottom, solid river run-off is resuspended 2.3 times (aver.). Redistribution of nepheloid suspended matter in the near-bottom layer results in formation of a strongly pronounced depocentre - an area of maximal discharge of solid river run-off within the Laptev Sea.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 74.394619 * Median Longitude: 127.162786 * South-bound Latitude: 71.700000 * West-bound Longitude: 117.200000 * North-bound Latitude: 76.366667 * East-bound Longitude: 131.050000
Event(s):
SPASIBA-91_susp1 * Latitude: 71.700000 * Longitude: 131.000000 * Elevation: -12.5 m * Location: Laptev Sea * Campaign: SPASIBA-91 * Basis: Yakov Smirnitskiy * Method/Device: Water sample (WS)
SPASIBA-91_susp2 * Latitude: 72.166667 * Longitude: 131.000000 * Elevation: -14.5 m * Location: Laptev Sea * Campaign: SPASIBA-91 * Basis: Yakov Smirnitskiy * Method/Device: Water sample (WS)
SPASIBA-91_susp3 * Latitude: 72.683333 * Longitude: 130.950000 * Elevation: -22.0 m * Location: Laptev Sea * Campaign: SPASIBA-91 * Basis: Yakov Smirnitskiy * Method/Device: Water sample (WS)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Kuptsov, VM; Lisitzin, AP; Shevchenko, VP et al. (1999): (Table 1) Concentration of suspended matter in surface water and total flux of suspended matter flux on the meridional section in the Laptev Sea in August-September 1991. https://doi.org/10.1594/PANGAEA.760869
- Kuptsov, VM; Lisitzin, AP; Shevchenko, VP et al. (1999): (Table 2) Results of determination of average residence time of 234Th in surface water of the Laptev Sea in August-September 1991. https://doi.org/10.1594/PANGAEA.760870