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