华南沿海地区的深度基准面

华南沿海地区，由于历史原因，目前存在的深度基准面繁多，关系复杂，为了解其含义，来源，历史沿革及其变化规律，本文作了较为详细的介绍，并进行了初步的推算，对海洋工程和规划，设计、施工等，具有重要的实际意义。

Depth Datum Planes in the Coastal Areas of South China

At present,there are many depth datum planes with complicated relations in the coastal areas of South Cnina. In order to have a good understanding of their meanings,origins,evolutions and patterns of change,a detailed introdution is given and a preliminary calculation is performed.