Table 1.

General additive model results for univariate and multivariate analysis

	Univariate analysis				Multivariate analysis
	EDFa	Fb	p value	Dev (%)c	EDFa	Fb	p value	Dev (%)c
Met1	2.291	51.89	< 0.0001	51.1	3.530	6.807	< 0.0001	68.3
Met2	3.632	5.464	0.0004	23.2	2.521	9.846	< 0.0001
Riv1	3.645	44.34	< 0.0001	57.3	1.000	45.695	< 0.0001
Riv2	2.346	3.938	0.0136	5.67	7.869	1.271	0.246
Met3	2.287	2.505	0.0572	5.28
Riv3	4.298	4.984	0.0003	11.8

Met1 evaporation/rainfall component, Met2 temperature component, Met3 temperature variation component, Riv1 river height component, Riv2 first river variation component, Riv3 second river variation component

^aEDF: estimated degrees of freedom for the model terms

^bF: test statistics

^cDev: deviance explained