According to the samples of oil spills loss data from ships in China, this paper considers to separate the data into the main part and the tail part, and constructs a doubly-truncated distribution - GPD （DTD-GPD） model to model the two parts of the loss data. The results show that the loss data of oil spills from ship are not normally distributed but has a ＂sharp peak, heavy tail＂ feature, and the DTD-GPD distribution fitting effec...
