Suitability of SWAT Model for Sediment Yields Modelling in the Eastern Africa - Advances in Data, Methods, Models and Their Applications in Geoscience - page 277

450000

400000

350000

300000

250000

200000

150000

100000

50000

0

1/1/1976 7/19/1976 2/4/1977 8/23/1977 3/11/1978 9/27/1978

Ti me (D a y s )
Observed Sediment Validated sediment

Fig. 3. Comparison between “observed” and simulated Simiyu daily sediment for the
validation period from 1976 and 1978 at Main Bridge outlet (Abdelhamid, 2010)

2,500,000

2,000,000

1,500,000

1,000,000

500,000

0

Observed sediment load Simulated Sediment load by SWAT

Fig. 4. SWAT simulations vs observed annual sediment loads at Case study 1, the Koka
Reservoir, between 1990 and 2004 (As adopted from Endale, 2008)