利用吉林省８０年代气候要素的实测资料及农业受灾、成灾面积的统计资料，分析了８０年代全球气候变暖背景下主要农业灾害的致灾因子和灾情特征，研究了气候因子异常与灾害损失的联系，探讨了旱涝灾害的灾情形成机制，为探索农业灾情评估和预测提供了理论和方法。 Based on the measured data of climatic elements in the 1980s in Jilin Province and the statistical data of the affected and harmed areas in agriculture in Jilin Province, this paper analyzes the disaster and disaster characteristics of the major agricultural disasters in the global warming climate of the 1980s, and studies the relationship between the climatic anomalies and disaster losses The paper discusses the formation mechanism of floods and droughts and provides theories and methods for the assessment and prediction of agricultural disasters.