The Impact of the Construction of Sponge Cities on the Surface Runoff in Watersheds, China
Table 1
Annual average precipitation (1961–2011), runoff interception (1961–2011), and surface water resources amount (2005–2014) of first-order zones of water resource in China.
First-order zones of water resource
Precipitation (mm)
Surface water resources amount (108 m3)
Runoff interception (108 m3)
Proportion
North river basins
Songhuajiang River Basin
490.69
1,279.37
4.22
0.33%
Rivers in Northwest
150.30
1,282.69
0.02
0.00%
Liaohe River Basin
541.23
393.95
9.71
2.46%
Haihe River Basin
520.75
135.69
219.58
161.82%
Yellow River Basin
444.04
562.88
13.61
2.42%
South river basins
Pearl River Basin
1,537.62
4,679.89
426.39
9.11%
Huaihe River Basin
845.30
699.48
52.48
7.50%
Yangtze River Basin
1,036.30
9,263.06
237.54
2.56%
Rivers in Southwest
657.18
5,477.61
1.05
0.02%
Rivers in Southeast
1,568.74
2,082.66
23.99
1.15%
Total
6254.53
25,857.28
988.58
3.82%
Note. Proportion = (runoff interception)/(surface water resources amount); [annual average precipitation data of surface water resources amount are reproduced by permission of the China water resources bulletin (2005-2014)].
