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Sediment waves on the South China Sea Slope off southwestern Taiwan: Implications for the intrusion of the Northern Pacific Deep Water into the South China Sea
Gong, C.; Wang, Y.; Peng, X.; Li, W.; Qiu, Y.; Xu, S. (2012). Sediment waves on the South China Sea Slope off southwestern Taiwan: Implications for the intrusion of the Northern Pacific Deep Water into the South China Sea. Mar. Pet. Geol. 32(1): 95-109. https://hdl.handle.net/10.1016/j.marpetgeo.2011.12.005
In: Marine and Petroleum Geology. Elsevier: Guildford. ISSN 0264-8172; e-ISSN 1873-4073, more
Peer reviewed article  

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Author keywords
    Sediment waves; Interaction between down- and along-slope processes; South China Sea Slope off southwestern Taiwan; Intrusion of the Northern Pacific Deep Water into the South China Sea

Authors  Top | Datasets 
  • Gong, C.
  • Wang, Y.
  • Peng, X.
  • Li, W.
  • Qiu, Y.
  • Xu, S.

Abstract
    Using an integrated multi-beam bathymetry, high-resolution seismic profile, piston core, and AMS 14C dating data set, the current study identified two sediment wave fields, fields 1 and 2, on the South China Sea Slope off southwestern Taiwan. Field 1 is located in the lower slope, and sediment waves within it are overall oriented perpendicular to the direction of down-slope gravity flows and canyon axis. Geometries, morphology, and internal seismic reflection configurations suggest that the sediment waves in field 1 underwent significant up-slope migration. Field 2, in contrast, is located more basinward, on the continental rise. Instead of having asymmetrical morphology and discontinuous reflections as observed in field 1, the sediment waves in field 2 show more symmetrical morphology and continuous reflections that can be traced from one wave to another, suggesting that vertical aggradation is more active and predominant than up-slope migration.

Datasets (2)
  • Global contourite distribution database, version 2, more
  • Global contourite distribution database, version 3, more

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