Deep-water traction current deposits are an important domain of sedimentology.It includes internal-tide and internal-wave deposits and contourite, mainly developing in deep water of ocean.

• 摘要深水牵引流沉积是沉积学中的一个重要研究领域，包括内潮汐、内波沉积和等深流沉积两大类，主要发育于海洋深水区。