用正交多项式作关中棉区连阴雨总量预报  

Prediction of the Amount of Continuous Pricipitation during the Development of Cotton by Orthogonal Polynomial in Guanzhong

作　　者：栗珂[1] 叶殿秀[1] 赵东[1] 

机构地区：[1]陕西省气象科学研究所

出　　处：《中国农业气象》1999年第1期49-52,共4页Chinese Journal of Agrometeorology

摘　　要：用正交多项式回归对西安和关中地区棉花生育期连阴雨总量进行了预报，历史拟合率在８５％以上，在实际预报中，取得了较好的效果。The amount of continuous pricipitation was predicted by orthogonal polynomial during the development of cotton in xi’an and Guanzhong. The historical fitting rate is above 85%, and good results were obtained in practical in prediction.

关 键 词：正交多项式 连阴雨 预报 

分 类 号：S165.25[农业科学—农业气象学]