机构地区: 西安理工大学水利水电学院
出 处: 《内蒙古师范大学学报(自然科学汉文版)》 2003年第1期65-70,共6页
摘 要: 针对区域干旱现象的风险评估,给出了一个马尔柯夫链风险评价模型.通过对北京地区的实际应用分析,探讨了模型的可信度,预测了区域干旱状态的变化态势. Aimed at region aridity risk assessment,a risk assessment model of markov chain is presented.And with the analysis of applying to Beijing region,the reliability was discussed and the change tendency of aridity risk was predicted.