长尺度气候变化下土壤钾素演变规律的研究——以泾河中游将军村黄土剖面为例

吴利杰, 于娟, 石建省, 王成敏, 毕志伟, 郭娇

Study on the Evolution Law of Potassium with Long Time Scale Climate Change in Jiangjun Loess Section of the Middle Reaches of the Jinghe River

Li-jie WU, Juan YU, Jian-sheng SHI, Cheng-min WANG, Zhi-wei BI, Jiao GUO

表3 钾素与古气候要素的柯布-道格拉斯方程拟合结果

Tab.3 The Cobd-Douglas equation between potassium and paleoclimate factors

拟合回归方程 Fitting regression equation	相关系数 Correlation coefficient	拟合度 Fitting degree	F值 F value	p-值 p-value
AK= $\begin{matrix} {e^{- 206.11}}^{0} \end{matrix}$ P^44.749T^-32.954	0.844 4	0.713 0	175.148 8	0.000 1
SAK=e^-131.750P^29.464T^-21.646	0.866 0	0.750 0	211.513 9	0.000 1
IK=e^35.463P^-5.549T^4.328	0.335 6	0.112 6	8.949 5	0.000 2
TK=e^24.992P^-3.304T^{2.660 2}	0.427 4	0.182 7	15.755 0	0.000 1
E=e^-157.011P^33.821T^-25.085	0.859 3	0.738 4	199.018 2	0.000 1
S=e^-74.360P^15.285T^-11.308	0.303 0	0.550 4	30.642 7	0.000 1