摘要
简要介绍了应用模糊聚类方法划分海洋水团的基本原理和步骤;提出了基于欧氏距离的标定公式和用F检验客观地确定水团个数的方法。给出了利用模糊软划分方法划分浅海变性水团的原理和具体步骤。通过计算各测样对每个水团的隶属度,方便且定量地确定出水团核心、边界及混合区。最后给出实例,与黄、东海水团划分的已有研究成果作了比较。
In this paper, the principle and steps for differentiating water masses by fuzzy cluster method are introduced, and a scalar formula based on Euclidean distance and a method for determining objectively the number of water masses by F-test are proposed. Consequently, a method and specific steps for differentiating modified water masses in shallow sea according to fuzzy elastic classification are given. Computation of the membership degree in which each sample belongs to every water mass determines conveniently and quantitatively the cores, boundaries of water masses and mixed zones. An example for the Huanghai Sea and East China Sea is shown and compared with previous results.
出处
《中国海洋大学学报(自然科学版)》
CAS
CSCD
1989年第S1期233-242,共10页
Periodical of Ocean University of China
关键词
水团
模糊聚类
软划分
water mass
fuzzy cluster
elastic classification