A hypothesis for the formation of a mud bank in the Gulf of Papua |
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| Authors: | E Wolanski D M Alongi |
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| Institution: | (1) Australian Institute of Marine Science, P.M.B. No. 3, 4810 Townsville M.C., Queensland, Australia |
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| Abstract: | The riverine mud that escapes retention in the estuaries and enters the Gulf of Papua appears to be transported southeastward, across depth contours, by the prevailing currents in a series of wind-driven events. The mud deposits to the southeast of the rivers, at the mid-shelf region within a depth range of 40–60 m. Mud transported farther eastward is carried down the continental rise. Coarser riverine sediment (silt and sand) is deposited closer inshore. On the outer shelf (depth >60 m) relict carbonate debris dominates. The area of mud has maximum rates of pelagic and benthic productivity in the gulf. |
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