Lake Kasumigaura (year t)					Lake Kasumigaura (year t−1)
Variables	R	R²	p-value	AIC value	Variables	R	R²	p-value	AIC value
C_x,t, l_t	−0.752	0.565	7.64 × 10⁻³	108	C_x,t, l_t−₁	−0.571	0.326	8.48 × 10⁻²	104
C_x,t, w_t	−0.338	0.114	3.10 × 10⁻²	116	C_x,t, w_t−₁	−0.257	0.065	4.74 × 10⁻²	107
Lake Kitaura (year t)					Lake Kitaura (year t−1)
C_y,t, l_t	−0.766	0.587	5.98 × 10⁻³	98	C_y,t, l_t−₁	−0.387	0.150	2.69 × 10⁻²	97
C_y,t, z_t	−0.205	0.042	5.85 × 10⁻²	107	C_y,t, z_t−₁	−0.139	0.019	6.69 × 10⁻²	98
C_y,t, b_t^*	0.729	0.531	2.59 × 10⁻²	82	C_y,t, b_t−₁^*	0.292	0.085	4.83 × 10⁻²	80