青藏高原高寒荒漠区土壤湿度监测仪器的校正方法探讨
谢芳荻, 阎建忠, 刘林山, 张镱锂, 王兆锋, 李兰晖, 李彩瑛

Calibration of the soil moisture sensor in cold desert areas on Tibetan Plateau
Fangdi XIE, Jianzhong YAN, Linshan LIU, Yili ZHANG, Zhaofeng WANG, Lanhui LI, Caiying LI
表4 校正前后EC-5测量值与真实值的绝对偏差、相对偏差和平均偏差
Tab. 4 Absolute deviation, relative deviation and mean deviation of EC-5 measurements with real values
土层深度 3~7 cm（D/RD/MD） 13~17 cm（D/RD/MD）
编号 校准前 校准后 校准前 校准后
Q01 -0.007~0.016/-12.1~68.9/0.0105 -0.014~0.008/
-25.2~32.4/0.000		 0.002~0.020/
1.2~49.7/0.0082		 -0.009~0.009/
-10.1~32.5/0.000
Q02 -0.007~0.026/-30.3~23.3/0.0111 -0.0007~0.006/
-15.8~6.4/0.000		 -0.001~0.014/
-2.0~60.8/0.0078		 -0.010~0.007/
-13.2~22.0/0.000
Q03 0.007~0.034/
11.9~79.7/0.0210		 -0.009~0.007/
-16.1~21.1/0.000		 -0.015~0.023/
-11.9~81.2/0.0077		 -0.019~0.007/
-15.2~24.2/0.000
Q04 0.008~0.032/
10.3~98.3/0.0211		 -0.010~0.014/
-12.7~48.4/0.000		 0.006~0.027/
5.1~89.3/0.0166		 -0.011~0.011/
-14.8~32.3/0.000
Q05 -0.005~0.021/
-4.9~93.8/0.0058		 -0.010~0.007/
-19.5~35.0/0.000		 -0.009~0.016/
-7.2~72.5/0.0025		 -0.008~0.011/
-13.5~33.5/0.000
Q06 -0.009~0.100/
54.8~99.0/0.0595		 -0.009~0.013/
-6.3~17.8/0.000		 0.014~0.048/
24.1~62.2/0.0259		 -0.011~0.010/
-5.3~22.7/0.000
Q07 -0.003~0.019/
-6.2~45.0/0.0075		 -0.009~0.006/
-13.9~16.6/0.000		 0.014~0.041/
21.8~89.9/0.0269		 -0.006~0.007/
-13.4~13.5/0.000
Q08 0.002~0.023/
1.6~68.7/0.0083		 -0.007~0.009/
-6.3~9.2/0.000		 0.012~0.038/
13.1~121.5/0.0239		 -0.012~0.009/
-13.2~40.3/0.000
Q09 -0.012~0.023/
-22.4~18.3/0.0044		 -0.004~0.006/
-15.1~7.8/0.000		 0.013~0.036/
15.2~49.5/0.0182		 -0.005~0.007/
-5.0~14.7/0.000
Q14 -0.005~0.099/
-103.5~68.5/0.0609		 -0.010~0.008/
-3.7~19.4/0.000		 0.060~0.084/
47.4~131.4/0.0698		 -0.020~0.012/
-10.3~28.8/0.000
R01 0.005~0.015/
5.0~99.3/0.0100		 -0.005~0.005/
-4.3~11.4/0.000		 -0.011~0.026/
-9.7~101.4/0.0063		 -0.011~0.012/
-11.3~28.8/0.000
R02 -0.031~0.032/
-56.7~26.3/0.0100		 -0.016~0.037/
-15.1~54.9/0.000		 0.004~0.022/
3.7~77.8/0.0132		 -0.010~0.009/
-9.6~24.9/0.000
R03 -0.037~0.017/
-39.3~48.5/0.0047		 -0.032~0.026/
-30.2~6.9/0.000		 0.011~0.032/
14.3~70.7/0.0210		 -0.007~0.010/
-14.1~8.6/0.000
R04 0.008~0.032/
10.6~67.1/0.0184		 -0.012~0.007/
-15.7~12.2/0.000		 0.012~0.038/
10.1~49.3/0.0233		 -0.023~0.010/
-9.2~17.7/0.000
R05 -0.014~0.041/
-21.4~87.0/0.0169		 -0.026~0.005/
-38.1~6.1/0.000		 0.001~0.025/
0.4~94.5/0.0134		 -0.014~0.012/
-14.4~44.0/0.000
R06 0.001~0.029/
0.5~74.6/0.0132		 -0.010~0.012/
-10.1~27.1/0.000		 -0.012~0.023/
-12.3~69.6/0.0111		 -0.012~0.023/
-24.1~25.4/0.000