Collaborative Research: Late Quaternary Siliciclastic and Carbonate Sediments and Sediment Fluxes on the Slopes and Basin Floors of the Ashmore and Pandora Troughs, Gulf of PNG

将提供资金，调查巴布亚湾混合硅质碳酸盐斜坡和盆地环境中的沉积过程，作为MARGINS的Fly River-Gulf of巴布亚重点地点的综合源-汇实验的一部分。通过使用详细的声学勘测以及海底和水柱取样，提议者将估计在最后一次间冰期循环中从大陆架边缘和碳酸盐礁边缘到阿什莫尔海槽和潘多拉海槽最终汇的沉积物通量和迁移路径。这项工作将通过查明海湾沉积的时间和几何形状，了解混合系统在大陆坡和深海的沉积物积累历史以及沉积物通量和迁移机制。最终目标是建立一个碳酸盐-硅质混合沉积模型。

Funds will be provided to investigate sedimentation processes in the mixed siliciclastic carbonate slope and basin environment in the Gulf of Papua as a part of the integrated source-to-sink experiment at the Fly River-Gulf of Papua focus site of MARGINS. Through the use of detailed acoustic surveys and seabed and water column sampling the proposers will estimate sediment fluxes and transport pathways from the shelf edge and carbonate reef margins to the ultimate sinks of the Ashmore and Pandora troughs over the last interglacial cycle. The work will lead to an understanding of the history of sediment accumulation on the continental slope and the deep ocean for the mixed system as well as sediment fluxes and transport mechanisms by identifying timing and geometry of deposition in the Gulf. The ultimate objective is to develop a model for mixed carbonate-siliciclastic deposition.