Applicability and improvement of different potential evapotranspiration models in different climate zones of China

Li, Zedong; Li, Yiran; Yu, Xinxiao; Jia, Guodong; Chen, Peng; Zheng, Pengfei; Wang, Yusong; Ding, Bingbing

doi:10.1186/s13717-024-00488-7

Ecological Processes

Table 2 Evaluation criteria between the original and calibrated potential evapotranspiration models against potential evapotranspiration reference in different climatic zones of China

From: Applicability and improvement of different potential evapotranspiration models in different climate zones of China

Models	Climatic zones	Coefficients	a	b	R²	MAE	RMSE	NSE
Romanenko	MPZ	Original	4.50	–	0.81	14.83	19.48	0.65
	MPZ	Calibrated	3.90	–	0.81	12.29	18.62	0.68
	SMZ	Original	4.50	–	0.83	11.42	15.00	0.81
	SMZ	Calibrated	4.30	–	0.83	10.90	14.18	0.98
	TCZ	Original	4.50	–	0.96	28.47	39.54	0.63
	TCZ	Calibrated	3.50	–	0.96	11.37	15.16	0.95
	TMZ	Original	4.50	–	0.90	13.95	17.21	0.85
	TMZ	Calibrated	4.20	–	0.90	12.40	15.25	0.88
Rohwer	MPZ	Original	0.44	0.27	0.80	23.15	26.76	0.33
	MPZ	Calibrated	0.50	0.08	0.82	12.80	17.07	0.73
	SMZ	Original	0.44	0.27	0.88	19.14	21.79	0.59
	SMZ	Calibrated	0.51	0.01	0.89	10.01	13.75	0.84
	TCZ	Original	0.44	0.27	0.95	15.06	25.39	0.85
	TCZ	Calibrated	0.38	0.01	0.96	12.06	18.55	0.92
	TMZ	Original	0.44	0.27	0.91	13.30	17.44	0.85
	TMZ	Calibrated	0.46	0.03	0.92	10.01	13.57	0.91
Abtew	MPZ	Original	0.53	–	0.81	35.12	37.18	0.29
	MPZ	Calibrated	0.41	–	0.81	15.51	18.58	0.68
	SMZ	Original	0.53	–	0.93	11.32	13.65	0.84
	SMZ	Calibrated	0.51	–	0.93	9.66	11.91	0.88
	TCZ	Original	0.53	–	0.91	24.28	29.17	0.80
	TCZ	Calibrated	0.56	–	0.91	20.74	25.05	0.82
	TMZ	Original	0.53	–	0.92	19.65	22.57	0.74
	TMZ	Calibrated	0.50	–	0.82	16.37	19.43	0.81
Priestley–Taylor	MPZ	Original	1.26	–	0.84	15.58	18.44	0.68
	MPZ	Calibrated	1.32	–	0.84	14.75	18.05	0.70
	SMZ	Original	1.26	–	0.92	14.11	17.64	0.73
	SMZ	Calibrated	1.18	–	0.92	11.25	13.86	0.83
	TCZ	Original	1.26	–	0.92	25.93	30.88	0.77
	TCZ	Calibrated	1.58	–	0.92	18.40	22.24	0.88
	TMZ	Original	1.26	–	0.92	16.57	18.62	0.83
	TMZ	Calibrated	1.23	–	0.92	16.14	17.42	0.84
Penman–Monteith	MPZ	Original	0.408	0.340	0.95	7.41	8.80	0.93
	MPZ	Calibrated	0.410	0.368	0.96	6.913	8.667	0.94
	SMZ	Original	0.408	0.340	0.97	5.87	7.10	0.96
	SMZ	Calibrated	0.390	0.331	0.98	5.01	6.58	0.96
	TCZ	Original	0.408	0.340	0.98	14.71	17.83	0.92
	TCZ	Calibrated	0.456	0.320	0.98	6.58	9.01	0.98
	TMZ	Original	0.408	0.340	0.98	8.37	9.22	0.96
	TMZ	Calibrated	0.405	0.304	0.98	4.59	6.68	0.98

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