Hebbeln, Dierk (2000): Flux of ice-rafted detritus in the Fram Strait. PANGAEA, https://doi.org/10.1594/PANGAEA.787477, Supplement to: Hebbeln, D (2000): Flux of ice-rafted detritus from sea ice in the Fram Strait. Deep Sea Research Part II: Topical Studies in Oceanography, 47(9-11), 1773-1790, https://doi.org/10.1016/S0967-0645(00)00006-0
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A three-year particle flux record from the eastern Fram Strait, between Greenland and Svalbard, revealed a rather untypical seasonal flux pattern compared to other particle flux studies from the Nordic Seas. In the eastern Fram Strait this pattern is characterised by a sudden four- to six-fold increase of the particle flux in January, when no daylight is available to support any biological productivity. Comparison with sea-ice distribution maps led to the conclusion that the sudden increase in the flux is due to ice-rafted detritus released from sea ice, which originated from the Svalbard archipelago and from the northern Barents Sea. Detailed grain size analyses of the silt fraction indicated the >10 µm fraction of the lithogenic matter to be clearly enriched due to IRD input. Even more important is the observation that lithogenic material >40 µm occurs exclusively during the ice-rafting event and, therefore, appears to be a suitable indicator for IRD transported on sea ice. Thus, in addition to coarse IRD (e.g. >500 µm), which is mainly derived from icebergs, the analysis of fine IRD >40 µm in deep-sea sediments can be used to reconstruct paleo-sea-ice extensions.
Median Latitude: 78.882777 * Median Longitude: 6.722222 * South-bound Latitude: 78.876667 * West-bound Longitude: 6.675000 * North-bound Latitude: 78.888333 * East-bound Longitude: 6.750000
Date/Time Start: 1987-07-01T00:00:00 * Date/Time End: 1990-06-19T00:00:00