月份 | 不同深度土壤消退系数 | 垂线平均 | |||||||||||
10 cm | 20 cm | 50 cm | 80 cm | ||||||||||
上旬 | 中旬 | 下旬 | 上旬 | 中旬 | 下旬 | 上旬 | 中旬 | 下旬 | 上旬 | 中旬 | 下旬 | ||
3月 | 0.985 | 0.980 | 0.974 | 0.985 | 0.982 | 0.979 | 0.985 | 0.986 | 0.987 | 0.988 | 0.989 | 0.990 | 0.984 |
4月 | 0.970 | 0.963 | 0.960 | 0.976 | 0.973 | 0.970 | 0.988 | 0.988 | 0.987 | 0.991 | 0.990 | 0.987 | 0.979 |
5月 | 0.957 | 0.954 | 0.955 | 0.967 | 0.964 | 0.966 | 0.986 | 0.985 | 0.984 | 0.987 | 0.990 | 0.988 | 0.974 |
6月 | 0.957 | 0.958 | 0.961 | 0.967 | 0.969 | 0.970 | 0.983 | 0.983 | 0.984 | 0.986 | 0.986 | 0.987 | 0.974 |
7月 | 0.964 | 0.966 | 0.966 | 0.971 | 0.971 | 0.972 | 0.985 | 0.986 | 0.987 | 0.988 | 0.989 | 0.990 | 0.978 |
8月 | 0.967 | 0.968 | 0.971 | 0.973 | 0.975 | 0.977 | 0.988 | 0.990 | 0.990 | 0.992 | 0.993 | 0.992 | 0.981 |
9月 | 0.974 | 0.978 | 0.977 | 0.978 | 0.980 | 0.980 | 0.991 | 0.991 | 0.990 | 0.991 | 0.991 | 0.990 | 0.984 |
10月 | 0.975 | 0.974 | 0.977 | 0.980 | 0.980 | 0.982 | 0.989 | 0.989 | 0.990 | 0.989 | 0.989 | 0.990 | 0.984 |
11月 | 0.980 | 0.984 | 0.986 | 0.984 | 0.987 | 0.989 | 0.991 | 0.991 | 0.991 | 0.991 | 0.991 | 0.991 | 0.988 |