Environmental implications of soil erosion and sediment yield in Lake Hawassa watershed, south-central Ethiopia

Environmental Systems Research

Table 10 Annual sediment export rates, magnitude and area coverage

Exported sediment (t ha⁻¹ year⁻¹)	Export level	Area (ha)	Percent of the total area	Estimated annual sediment export (t year⁻¹)	Percent of the total export
0	Low	121,219.0	85.0	18,267.5	8.1
1–5	Moderate	10,864.8	7.6	42,433.5	18.7
5	High	10,577.2	7.4	165,989.3	73.2
Total		142,661.0	100.0	226,690.3	100.0