1.2 Hydrology
11
Table 1.4 The transboundary river runoff
Primary
water
resources
zones
Inbound
Outbound
Volume
(km 3 )
Percentage
(%)
Crossing
boundary
(km 3 )
Into
boundary
river a (km 3 )
Total (km 3 ) Percentage
(%)
Songhua
0.75
3.5
1.53
114.15
115.68
15.9
Liao River
14.33
14.34
2.0
Pearl River 9.06
42.3
1.35
1.67
3.02
0.4
Rivers in
Southwest
China
2.63
12.3
572.4
572.4
78.6
Rivers in
Northwest
China
8.9
41.9
22.17
0.2
22.44
3.1
Total
21.40
100.0
597.45
130.43
727.88
100.0
a “Into boundary river” refers to flows into a river, which is the boundary between two countries
Sources General Institute of Water and Power Planning (2014) Assessment for water resources and
its development and use. China Water and Power Publisher, Beijing, p. 65
Permission granted by General Institute of Water and Power Planning on its website subject to
proper citation
Table 1.5 Flows to the sea
Primary water resources
zones
1956–2000 1950s
1960s
1970s
1980s
1990s
Liao River
19.05
19.19
23.18
18.31
16.96
17.82
Hai River
10.13
24.14
16.09
11.55
2.22
5.50
Yellow River
31.32
43.64
49.96
30.95
28.42
12.86
Huai River
54.17
65.19
63.43
52.27
49.16
48.04
Yangtze River
919.2
854.8
900.42
877.25
930.09
987.91
Rivers in Southeast
China
187.1
193.56
171.26
184.97
184.69
203.26
Pearl River
451.6
438.66
427.39
477.35
438.4
466.90
Total
1,672.55
1,639.19 1,651.70 1,652.64 1,649.94 1,742.30
Sources General Institute of Water and Power Planning (2014) Assessment for water resources and
its development and use. China Water and Power Publisher, Beijing, p. 68
Permission granted by General Institute of Water and Power Planning on its website subject to
proper citation
1.2.3.2 Groundwater Runoff
According to the National Water Resources Comprehensive Plan, the total area
for the whole country of China involved in groundwater resources computation
is 8,451,110 km
2 , and the total average annual groundwater resources amount to
11
Table 1.4 The transboundary river runoff
Primary
water
resources
zones
Inbound
Outbound
Volume
(km 3 )
Percentage
(%)
Crossing
boundary
(km 3 )
Into
boundary
river a (km 3 )
Total (km 3 ) Percentage
(%)
Songhua
0.75
3.5
1.53
114.15
115.68
15.9
Liao River
14.33
14.34
2.0
Pearl River 9.06
42.3
1.35
1.67
3.02
0.4
Rivers in
Southwest
China
2.63
12.3
572.4
572.4
78.6
Rivers in
Northwest
China
8.9
41.9
22.17
0.2
22.44
3.1
Total
21.40
100.0
597.45
130.43
727.88
100.0
a “Into boundary river” refers to flows into a river, which is the boundary between two countries
Sources General Institute of Water and Power Planning (2014) Assessment for water resources and
its development and use. China Water and Power Publisher, Beijing, p. 65
Permission granted by General Institute of Water and Power Planning on its website subject to
proper citation
Table 1.5 Flows to the sea
Primary water resources
zones
1956–2000 1950s
1960s
1970s
1980s
1990s
Liao River
19.05
19.19
23.18
18.31
16.96
17.82
Hai River
10.13
24.14
16.09
11.55
2.22
5.50
Yellow River
31.32
43.64
49.96
30.95
28.42
12.86
Huai River
54.17
65.19
63.43
52.27
49.16
48.04
Yangtze River
919.2
854.8
900.42
877.25
930.09
987.91
Rivers in Southeast
China
187.1
193.56
171.26
184.97
184.69
203.26
Pearl River
451.6
438.66
427.39
477.35
438.4
466.90
Total
1,672.55
1,639.19 1,651.70 1,652.64 1,649.94 1,742.30
Sources General Institute of Water and Power Planning (2014) Assessment for water resources and
its development and use. China Water and Power Publisher, Beijing, p. 68
Permission granted by General Institute of Water and Power Planning on its website subject to
proper citation
1.2.3.2 Groundwater Runoff
According to the National Water Resources Comprehensive Plan, the total area
for the whole country of China involved in groundwater resources computation
is 8,451,110 km
2 , and the total average annual groundwater resources amount to