灾害损失及灾害等级的确定

DETERMINATION OF DISASTER LOSSES AND DISASTER GRADING

将灾害损失划分为属性指标和经济损失，将经济损失划分为财产损失、救灾费用和效益损失，将每种经济损失划分为内部经济损失和外部经济损失，在属性指标中考虑了损失持续时间的影响，还对灾害等级的定量计算方法进行了改进和完善．

In this paper, disaster losses are classified into disaster effect attributes and economical losses. Economical losses are classified into property losses, diaster-relief costs, and beneficial losses. Each economical loss is classified into internal economical loss and external economical loss according to enterprise loss and social loss. The internal economical losses and external economical losses are proposed in this paper. The continued period of disaster losses is included in the effect attributes. Disaster grades are determined according to dead number, injured number, loss-continued period, and general economical losses caused by disasters.