广西农业气象灾害灾情统计特征与灰色关联分析

Statistical Characteristics of Guangxi Agricultural Meteorological Disaster Situation and Grey Relation Analysis

利用广西1991～2011年农业受灾面积和农业总产值资料,对广西近21a的主要农业气象灾害进行统计,并采用灰色关联法对影响广西农业生产的主要气象灾害进行定量辨析与评价,得到各灾种对农业生产影响权重：涝灾＞旱灾＞风雹灾＞低温冷害灾.合理客观的对各种灾害情况进行综合评价,对于做好防灾减灾工作具有基础性的指导意义.

Based on agriculture damage area and agricultural output data during 1991-2011, major agrometeorological disasters nearly 21 years in Guangxi was count up, and the main meteorological disaster affecting the agricultural production in Guangxi were quantitatively analyzed and evaluated by the method of grey relation to get the weight affecting agricultural production： waterlog 〉 drought 〉wind 〉 hail 〉 chilling damages. Reasonable and objective comprehensive evaluation of various disasters was made to do a good job of disaster prevention and mitigation of fundamental significance.