Quantifying the impacts of climate variation, damming, and flow regulation on river thermal dynamics: a case study of the Włocławek Reservoir in the Vistula River, Poland

Environmental Sciences Europe

Table 4 The seasonal contributions of climate variation, damming, and flow regulation to downstream river water temperatures at the Włocławek station in two methods

Methodology	T_w change	Spring (March–May)	Summer (June–August)	Autumn (September–November)	Winter (December-February)	Annual
This study	∆T_tot	0.42	− 0.18	0.80	0.20	0.31
	∆T_clim	− 0.08	− 0.87	− 0.10	− 0.01	− 0.26
	∆T_dam	0.40	0.54	1.14	0.10	0.55
	∆T_Q	− 0.03	0.00	0.08	0.07	0.03
Cai’s method	∆T_tot	0.42	− 0.18	0.80	0.20	0.31
	∆T_clim	0.00	− 0.84	− 0.12	− 0.11	− 0.27
	∆T_dam	0.57	0.66	0.93	0.47	0.66