| 灾害熵：概念引入及应用案例 |
| |
| 引用本文： | 任鲁川.灾害熵：概念引入及应用案例[J].自然灾害学报,2000,9(2):26-31. |
| |
| 作者姓名： | 任鲁川 |
| |
| 作者单位： | 中国科学院海洋研究所，山东青岛 266071 |
| |
| 基金项目： | 中国科学院王宽诚博士后奖励基金项目及中国科学院“九五”重大项目（KZ951-B1-303） |
| |
| 摘 要： | 某一区域的灾害风险反映珠不确定性。据此，本文采用信息熵的理论与方法，引入了区域灾害熵和区域灾害加权熵概念，并给出了相应的计算公式。选取山东省作为应用案例研究的区域，利用了１９４９￣１９９４年旱灾、洪涝灾害受灾面积资料计算了旱灾、洪涝灾害的区域熵和区域灾害加权熵。研究结果表明，区域灾害加权熵可以作为表征区域灾害风险整体水平的一个综合指标。本文给出了区域灾害熵计算方法简便易行。
|
| 关 键 词： | 自然灾害 灾害熵 概念引入 应用案例 计算法 |
| 文章编号： | 1004-4574(2000)02-0026-06 |
| 修稿时间： | 1999年11月22 |
Disaster entropy:conception and application |
| |
| REN Lu-chuan.Disaster entropy:conception and application[J].Journal of Natural Disasters,2000,9(2):26-31. |
| |
| Authors: | REN Lu-chuan |
| |
| Abstract: | Regional disaster risk can be considered as the renection of the occurrence probabilityof regional disaster. In terms of information system theory, the author proposes the concep-tions of regional disaster entropy and weighted regional disaster entropy, and provides theircalculation formula In case study, the author calculates the regional disaster entropy andweighted regional disaster entropy wlth the damage area data of drought disaster andflood-waterlogging disaster from 1949 to 1994 in Shandong Province. The result shows thatthe weighted regional disaster entropy can be regarded as a comprehensive index of regional dis-aster risk level, and the method of regional disaster entropy and weighted regional disasterentropy calculation given in this paper is simple and convenient. |
| |
| Keywords: | regional disaster entropy weighted regional disaster entropy calculation method case study |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
