Domain Area (km2) Area (km2) Area (km2) Area (km2) Area (km2) Area (km2) Area (km2)
HYK-HLJ HLJ-WC WC-WA WA-JHT JHT-YFZ YFZ-YXZ YXZ-GC SUM TOTAL
Left floodplain 183 115 88 37 81 126 118 749 1710
Main channel 49 83 53 68 43 31 29 356
Right floodplain 42 72 58 119 143 130 40 605