Table 2 The river channel surface area and volume changes of the Lowermost Yangtze River during 1998–2013.

From: Riverbed erosion of the final 565 kilometers of the Yangtze River (Changjiang) following construction of the Three Gorges Dam

Year

Area

Volume

0 to −5 m

−5 to −10 m

below −10 m

0 to −5 m

−5 to −10 m

below −10 m

(x 109 m2)

(x 109 m2)

(x 109 m2)

(x 109 m3)

(x 109 m3)

(x 109 m3)

1998

1.02

0.52

0.73

7.82

4.87

1.7

2013

0.72

0.57

0.78

8.35

5.31

2.61

1998–2013

0.3

−0.05

−0.05

−0.5

−0.44

−0.91

  1. Note: Positive values indicate riverbed deposition while negative values indicate riverbed erosion.