Zhang Hongliang, Zhang Aijun, Chen Jianglin, and Wang Peigang, Branch of North China Sea, S.O.A

Abstract

According to the instance of the loss evaluation for the calamity, which was caused by Noctiluca scintillans in Zhuang River-Da Yang River and brought great harm to the City of Donggang, this paper analyzes the source and media of the calamity and the conditions of calamity formation. On the basis of this analysis, the loss of red tide calamity is divided into three types: direct loss, indirect loss and resuming expenses of cultivating source. And at the same time, the conceptions of main parameters used in loss evaluation are formed. This paper puts forward two methods of material evaluation (one is accounting mode, the other is estimating pattern), forms the statistic formulation of re tide calamity loss, and establishes the statistic evaluation method and estimating evaluation method.