Table 1

1 January 2000

Sediment flushed out of Dashidaira Dam since 2001
Maximum discharge Inflow (m3/sec) Average Discharge Inflow (m3/sec) Flushing Volume (103m3) Maximum SS (mg/l) Average SS (mg/l)
2001 Flushing 333 277 590 90,000 15,000
2001 Sluicing 491 273 - 29,000 6700
2002 Flushing 362 215 60 22,000 4500
2003 Flushing 777 217 90 69,000 7100
2004 Flushing 356 229 280 42,000 10,000
2004 Sluicing 1152 281 - 16,000 7300
2005 Flushing 958 290 510 47,000 17,000
2005 Sluicing 1 835 275 - 90,000 16,000
2005 Sluicing 2 790 250 - 40,000 7300
2006 Flushing 308 246 240 27,000 5200
2006 Sluicing 1 378 203 - 12,000 2500
2006 Sluicing 2 685 264 - 27,000 5200
2006 Sluicing 3 529 196 - 7400 1800
2007 Flushing 418 245 120 25,000 3500
Average of Flushing 502 246 270 46,000 9100
Average of Sluicing 694 249 - 31,600 6700
Average of all data 598 247 270 38,800 7900



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