Detection of Abrupt Changes in Runoff in the Weihe River Basin

Table 1

Correlation coefficients of IMF components and original sequence.

	IMF1	IMF2	IMF3	IMF4
Beidao	0.768	0.502	0.215	0.127
Xianyang	0.703	0.533	0.258	0.131
Huaxian	0.722	0.534	0.232	0.118
Zhangjiashan	0.759	0.572	0.197	0.106
Zhuangtou	0.697	0.511	0.225	0.191