The results show that GIM(1)model has higher fitting accuracy and utilizes more known informations in original data,and widens the application scope in the field of environmeantal science.

• 结果表明 GIM( 1 )模型的拟合精度优良 ,对原始资料中白化信息的利用更加丰富 ,拓宽了 GIM( 1 )模型在环境科学领域中的应用范围