An Integrative Approach to Understand the Climatic-Hydrological Process: A Case Study of Yarkand River, Northwest China

Table 2

MLREs for climatic-hydrological process at different time scales.

Time scale	Regression equation	𝑅^2	𝐹	Significance level α	Average absolute error	Average relative error
S1	AR = 3.243AAT + 54.89	0.361	4.763	0.01	6.266	9.665%
S2	AR = 2.883AAT + 0.173AP + 43.62	0.4157	15.6492	0.001	3.250	4.959%
S3	AR = 5.792AAT + 0.116AP + 37.276	0.894	205.729	0.001	0.880	1.354%
S4	AR = 3.332AAT + 0.189AP + 40.618	0.975	943.228	0.001	0.329	0.502%
S5	AR = 2.555AAT + 0.206AP + 42.353	0.996	6701.914	0.001	0.109	0.165%

Notes. AR: annual runoff, AAT: annual average temperature, and AP: annual precipitation.