Exemplifying the Effects Using WetSpass Model Depicting the Landscape Modifications on Long-Term Surface and Subsurface Hydrological Water Balance in Bilate Basin, Ethiopia

Table 11

Long-term seasonal WetSpass-M simulated surface runoff (mm) of the Bilate basin for a LULC (1989, 1999, 2009, and 2019).

	Winter surface runoff				Spring surface runoff				Summer surface runoff				Autumn surface runoff
	1989	1999	2009	2019	1989	1999	2009	2019	1989	1999	2009	2019	1989	1999	2009	2019
Min	0.3	0.5	1.4	0.5	13.9	9.6	28.3	10.6	92.4	107.6	90.1	147.6	17.4	62.7	56.8	122.7
Max	248.3	278.3	208.7	298.3	430.5	419.6	380.2	461.0	408.9	438.1	393.9	488.1	542.3	542.3	467.0	542.3
Mean	14.2	25.8	13.3	36.6	132.2	155.4	141.5	168.4	238.2	267.6	245.8	309.4	116.9	119.2	141.1	221.8
Stdv	20.0	21.8	11.2	32.1	44.1	51.3	39.0	76.0	87.4	92.5	79.6	163.0	64.4	74.5	51.8	120.2