科尔沁沙地沙质草地土壤水分时间序列分析
姚淑霞, 张铜会, 赵传成

Time series analysis of soil moisture in sandy grassland of Horqin Sandy Land
Shuxia Yao, Tonghui Zhang, Chuancheng Zhao
表5 不同滞后时距下的累积降水量与土壤水分含量之间的协相关系数
Table 5 Cross-correlation coefficients between cumulative precipitation and soil moisture at the different lag period

滞后时距

(10 d)

土层深度/cm
0~2020~4040~6060~8080~100100~120120~140
k=00.643**0.603**0.530**0.1310.1030.1020.103
k=10.224*0.320*0.273*0.1130.147-0.184-0.122
k=2-0.208*-0.231*-0.207*0.0340.0440.0900.016
k=3-0.095-0.175-0.120-0.182-0.1510.0040.073
k=40.0400.1070.0910.1060.010-0.133-0.079
k=50.0940.1080.1000.1010.0190.0840.029