Analysis of Water Dynamics in Banda Sea and its Influences on Continental Shelf Fishing Area
Over the rise of the Arafura Sea of the vertical configuration results shown curves which easy to understand about its water dynamics. The water character is oceanic’s as cool, salty and stable DO were maintaining by the variability of thermal structure in the continental shelf. The pattern of water masses is the current system surrounding the Banda Sea as an upwelling from undercurrent those enhances and nitrified the shelf. Along the coast of western part of Papua was conducted the parcel of water masses traveling across the fishing area where’s kind of fishing boat catches the fish in the whole year, and almost confining in the continental shelf has low current from the southern part. The current flows from west to east at the southern part of Nusa Tenggara Islands bringing water and curve to the southwestern coast of Australia. These water masses characterized the temperature, salinity and oxygen gradients from some points where may have an important implication to the slopes area between the deepest and the shallow water near the coast. The lower temperature ranges from 10.0˚C to 8.0˚C at 300m depth and 34.50‰ to 34.85‰ conducted was circulated back to the deepest layer were higher salinity and stable dissolved oxygen. This continental shelf as a fishing area boundary water dynamic may cause by these water dynamic, especially from data catches of the two fishing vessels catches 17,4 to 39,21kg/haul in the western area and 44.0 to 80kg/haul in eastern coast area.
Raise boundary; Banda Sea; continental shelf; fish catch
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Published by INSIGHT - Indonesian Society for Knowledge and Human Development