Table 9 Dynamics of river runoff by selected major rivers of the world, km3
|
Year |
Nile | ||||||||||||||||
|
S,thou. km2 |
668 |
260 |
960 |
817 |
155 |
850 |
2870 |
210 |
1330 |
322 |
647 |
233 |
623 |
314 |
357 |
32..2 |
281 |
|
L, km |
1950 |
1530 |
3180 |
2860 |
970 |
3000 |
6670 |
850 |
2660 |
1810 |
2130 |
1370 |
2800 |
1500 |
744 |
644 |
74 |
|
1877 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1878 |
237 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1879 |
300 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1880 |
329 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1881 |
311 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1882 |
287 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1883 |
252 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1884 |
275 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1885 |
262 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1886 |
250 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1887 |
329 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1888 |
245 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1889 |
160 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1890 |
242 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1891 |
210 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1892 |
244 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1893 |
284 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1894 |
278 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1895 |
225 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1896 |
295 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1897 |
297 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1898 |
274 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1899 |
307 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1900 |
271 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1901 |
257 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1902 |
242 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1903 |
276 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1904 |
280 |
226 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1905 |
174 |
196 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1906 |
204 |
227 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1907 |
277 |
227 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1908 |
238 |
220 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1909 |
246 |
237 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1910 |
259 |
239 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1911 |
220 |
228 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1912 |
229 |
215 |
|
|
|
|
|
|
|
|
|
119 |
|
|
|
|
|
|
1913 |
266 |
230 |
|
|
|
|
|
|
|
|
|
118 |
|
|
|
|
|
|
1914 |
232 |
232 |
|
|
|
|
|
|
|
|
|
123 |
|
|
|
|
|
|
1915 |
174 |
235 |
|
|
|
|
|
|
|
|
|
95.3 |
|
|
|
|
|
|
1916 |
295 |
241 |
|
|
|
|
|
|
|
|
|
105 |
|
|
|
|
|
|
1917 |
262 |
242 |
|
|
218 |
|
|
|
|
|
|
116 |
|
|
|
|
|
|
1918 |
248 |
235 |
|
|
216 |
|
|
|
|
|
|
128 |
|
|
|
|
|
|
1919 |
206 |
218 |
|
|
174 |
|
|
|
|
|
|
111 |
|
|
|
|
|
|
1920 |
207 |
215 |
|
|
193 |
|
152 |
|
|
|
|
137 |
|
|
|
|
|
|
1921 |
281 |
215 |
211 |
140 |
203 |
|
133 |
172 |
181 |
132 |
|
135 |
|
92.2 |
84 |
112 |
56 |
|
1922 |
218 |
212 |
279 |
233 |
197 |
|
144 |
162 |
206 |
143 |
|
110 |
|
87.2 |
123 |
98.0 |
75 |
|
1923 |
221 |
214 |
253 |
227 |
211 |
|
152 |
173 |
149 |
154 |
|
109 |
|
77.2 |
138 |
77.1 |
88 |
|
1924 |
169 |
236 |
272 |
240 |
234 |
|
155 |
178 |
156 |
141 |
|
114 |
|
70.8 |
117 |
43.2 |
117 |
|
1925 |
248 |
240 |
230 |
183 |
218 |
|
124 |
174 |
192 |
136 |
|
114 |
|
96.0 |
100 |
48.0 |
95 |
|
1926 |
154 |
218 |
223 |
282 |
82.8 |
|
169 |
184 |
154 |
126 |
|
94.6 |
|
91.4 |
63 |
77.8 |
84 |
|
1927 |
278 |
231 |
193 |
207 |
179 |
|
152 |
160 |
154 |
141 |
|
110 |
|
108 |
116 |
77.5 |
81 |
|
1928 |
253 |
223 |
234 |
188 |
193 |
|
161 |
172 |
188 |
152 |
|
111 |
|
95.6 |
142 |
77.8 |
89 |
|
1929 |
160 |
210 |
225 |
188 |
200 |
|
195 |
165 |
148 |
149 |
|
81.6 |
174 |
86.7 |
145 |
77.1 |
104 |
|
1930 |
163 |
225 |
253 |
181 |
154 |
|
140 |
118 |
154 |
143 |
96.1 |
96.7 |
94.4 |
84.2 |
122 |
77.6 |
91 |
|
1931 |
150 |
206 |
201 |
228 |
179 |
|
157 |
140 |
164 |
138 |
118 |
99.2 |
130 |
142 |
105 |
78.3 |
88 |
|
1932 |
236 |
212 |
207 |
214 |
189 |
|
169 |
141 |
149 |
155 |
120 |
118 |
84.0 |
111 |
105 |
78.0 |
86 |
|
1933 |
262 |
233 |
249 |
215 |
206 |
|
159 |
137 |
185 |
121 |
120 |
138 |
94.4 |
145 |
101 |
78.2 |
82 |
|
1934 |
243 |
245 |
221 |
196 |
189 |
|
171 |
180 |
122 |
140 |
102 |
131 |
75.1 |
136 |
102 |
78.4 |
75 |
|
1935 |
203 |
219 |
217 |
194 |
200 |
|
191 |
162 |
158 |
142 |
113 |
115 |
109 |
103 |
116 |
77.2 |
82 |
|
1936 |
194 |
235 |
221 |
220 |
204 |
|
166 |
153 |
150 |
114 |
109 |
115 |
76.3 |
127 |
86 |
77.2 |
91 |
|
1937 |
167 |
235 |
204 |
284 |
193 |
|
162 |
160 |
184 |
115 |
91.8 |
101 |
103 |
95.8 |
56 |
76.7 |
68 |
|
1938 |
231 |
235 |
243 |
233 |
228 |
|
195 |
159 |
169 |
100 |
155 |
85.8 |
91.1 |
142 |
115 |
77.1 |
66 |
|
1939 |
185 |
231 |
227 |
218 |
210 |
|
141 |
195 |
160 |
158 |
136 |
119 |
109 |
72.9 |
90 |
77.2 |
56 |
|
1940 |
186 |
224 |
177 |
308 |
191 |
|
126 |
158 |
169 |
113 |
143 |
108 |
96.5 |
122 |
82 |
77.4 |
43 |
|
1941 |
175 |
228 |
180 |
327 |
141 |
|
133 |
130 |
108 |
117 |
140 |
104 |
101 |
42.3 |
103 |
77.2 |
59 |
|
1942 |
206 |
221 |
240 |
254 |
195 |
|
174 |
123 |
134 |
128 |
142 |
94.2 |
107 |
117 |
106 |
77.2 |
80 |
|
1943 |
254 |
231 |
257 |
157 |
212 |
|
155 |
142 |
142 |
143 |
135 |
97.6 |
146 |
82.0 |
103 |
77.2 |
78 |
|
1944 |
146 |
250 |
215 |
259 |
200 |
|
124 |
194 |
137 |
141 |
132 |
92.9 |
107 |
115 |
96 |
78.0 |
82 |
|
1945 |
187 |
241 |
244 |
218 |
230 |
202 |
142 |
175 |
152 |
107 |
124 |
90.1 |
178 |
124 |
87 |
77.0 |
78 |
|
1946 |
249 |
214 |
179 |
169 |
240 |
204 |
172 |
152 |
178 |
118 |
120 |
103 |
144 |
111 |
95 |
77.0 |
83 |
|
1947 |
243 |
219 |
168 |
174 |
229 |
204 |
162 |
194 |
141 |
118 |
150 |
112 |
132 |
122 |
107 |
77.2 |
70 |
|
1948 |
282 |
237 |
258 |
230 |
200 |
200 |
181 |
184 |
165 |
132 |
85.3 |
136 |
113 |
98.1 |
115 |
77.0 |
62 |
|
1949 |
222 |
242 |
231 |
154 |
198 |
224 |
165 |
196 |
186 |
160 |
77.2 |
108 |
172 |
124 |
104 |
77.0 |
72 |
|
1950 |
279 |
230 |
312 |
159 |
211 |
173 |
158 |
208 |
141 |
138 |
179 |
114 |
100 |
73.1 |
87 |
76.6 |
76 |
|
1951 |
276 |
230 |
168 |
220 |
181 |
165 |
133 |
209 |
153 |
152 |
131 |
100 |
91.9 |
82.7 |
93 |
77.0 |
72 |
|
1952 |
234 |
233 |
220 |
192 |
216 |
198 |
153 |
194 |
174 |
140 |
105 |
106 |
113 |
67.7 |
139 |
77.4 |
64 |
|
1953 |
227 |
239 |
211 |
212 |
164 |
83 |
149 |
170 |
127 |
112 |
123 |
102 |
74.0 |
127 |
117 |
76.6 |
87 |
|
1954 |
259 |
226 |
233 |
211 |
200 |
118 |
183 |
119 |
152 |
128 |
141 |
129 |
70.5 |
100 |
93 |
77.3 |
81 |
|
1955 |
226 |
239 |
225 |
308 |
226 |
149 |
171 |
145 |
133 |
127 |
96.1 |
118 |
68.5 |
146 |
120 |
77.0 |
95 |
|
1956 |
296 |
222 |
296 |
258 |
224 |
202 |
176 |
142 |
172 |
136 |
146 |
109 |
85.5 |
142 |
102 |
76.9 |
82 |
|
1957 |
235 |
212 |
273 |
210 |
230 |
247 |
141 |
141 |
80.9 |
142 |
99.3 |
123 |
151 |
114 |
127 |
77.2 |
88 |
|
1958 |
228 |
223 |
270 |
224 |
214 |
183 |
171 |
102 |
138 |
161 |
113 |
123 |
108 |
130 |
116 |
78.0 |
106 |
|
1959 |
276 |
219 |
359 |
191 |
198 |
217 |
162 |
138 |
158 |
128 |
112 |
136 |
74.5 |
220 |
81 |
78.0 |
91 |
|
1960 |
222 |
229 |
248 |
229 |
228 |
236 |
159 |
168 |
160 |
108 |
115 |
130 |
109 |
86.8 |
67 |
77.6 |
63 |
|
1961 |
231 |
218 |
262 |
185 |
210 |
243 |
195 |
198 |
185 |
142 |
110 |
119 |
98.6 |
137 |
115 |
78.0 |
71 |
|
1962 |
218 |
236 |
243 |
228 |
232 |
325 |
195 |
173 |
221 |
159 |
130 |
130 |
86.5 |
97.2 |
116 |
77.4 |
94 |
|
1963 |
206 |
234 |
193 |
218 |
200 |
308 |
199 |
159 |
114 |
144 |
175 |
121 |
88.1 |
115 |
80 |
77.2 |
93 |
|
1964 |
239 |
242 |
211 |
198 |
228 |
289 |
248 |
154 |
110 |
134 |
83.2 |
147 |
94.1 |
118 |
99 |
78.2 |
69 |
|
1965 |
271 |
209 |
201 |
292 |
136 |
211 |
180 |
168 |
157 |
144 |
104 |
120 |
117 |
54.9 |
97 |
78.0 |
62 |
|
1966 |
198 |
216 |
204 |
281 |
152 |
175 |
167 |
182 |
152 |
159 |
108 |
124 |
112 |
82.7 |
124 |
77.6 |
77 |
|
1967 |
241 |
235 |
225 |
265 |
252 |
237 |
195 |
146 |
172 |
138 |
147 |
133 |
93.9 |
116 |
70 |
76.9 |
85 |
|
1968 |
240 |
246 |
205 |
197 |
234 |
204 |
171 |
147 |
148 |
126 |
166 |
140 |
49.2 |
71.9 |
110 |
77.5 |
83 |
|
1969 |
249 |
203 |
186 |
243 |
190 |
177 |
182 |
166 |
149 |
130 |
109 |
116 |
84.5 |
99.1 |
99 |
77.1 |
78 |
|
1970 |
203 |
228 |
126 |
322 |
226 |
147 |
185 |
178 |
152 |
105 |
106 |
91.0 |
104 |
107 |
90 |
77.2 |
74 |
|
1971 |
281 |
304 |
171 |
193 |
282 |
160 |
178 |
139 |
169 |
142 |
82.0 |
119 |
61.6 |
59.9 |
100 |
77.2 |
74 |
|
1972 |
286 |
198 |
150 |
222 |
219 |
205 |
124 |
127 |
185 |
142 |
104 |
122 |
79.8 |
50.8 |
88 |
76.7 |
64 |
|
1973 |
168 |
185 |
241 |
205 |
206 |
201 |
163 |
139 |
141 |
140 |
70.2 |
100 |
99.4 |
113 |
78 |
77.4 |
50 |
|
1974 |
294 |
234 |
153 |
253 |
195 |
208 |
173 |
141 |
154 |
136 |
116 |
133 |
90.6 |
44.2 |
105 |
77.8 |
64 |
|
1975 |
238 |
226 |
238 |
259 |
208 |
169 |
195 |
154 |
102 |
153 |
171 |
111 |
78.0 |
138 |
70 |
77.6 |
76 |
|
1976 |
263 |
220 |
212 |
223 |
272 |
183 |
158 |
149 |
122 |
131 |
83.7 |
155 |
104 |
115 |
104 |
58.9 |
70 |
|
1977 |
143 |
180 |
147 |
244 |
163 |
173 |
171 |
179 |
257 |
113 |
122 |
109 |
70.0 |
91.0 |
89 |
81.0 |
71 |
|
1978 |
213 |
218 |
231 |
241 |
159 |
191 |
172 |
104 |
113 |
126 |
171 |
102 |
71.3 |
123 |
112 |
87.1 |
75 |
|
1979 |
183 |
232 |
151 |
259 |
222 |
165 |
153 |
154 |
128 |
157 |
130 |
96.9 |
168 |
71.7 |
99 |
85.2 |
73 |
|
1980 |
199 |
175 |
315 |
281 |
179 |
141 |
167 |
151 |
123 |
121 |
151 |
101 |
102 |
132 |
89 |
78.5 |
65 |
|
1981 |
231 |
220 |
190 |
265 |
210 |
142 |
149 |
156 |
145 |
147 |
93.5 |
116 |
117 |
117 |
86 |
99.0 |
78 |
|
1982 |
285 |
230 |
273 |
228 |
199 |
151 |
119 |
133 |
165 |
151 |
113 |
134 |
108 |
100 |
98 |
87.2 |
99 |
|
1983 |
270 |
170 |
338 |
181 |
226 |
130 |
125 |
145 |
99.0 |
173 |
73.5 |
107 |
134 |
114 |
109 |
84.3 |
83 |
|
1984 |
259 |
273 |
273 |
212 |
200 |
130 |
94.8 |
137 |
176 |
139 |
115 |
115 |
105 |
93.0 |
98 |
116 |
86 |
|
1985 |
206 |
205 |
224 |
206 |
207 |
226 |
114 |
156 |
137 |
181 |
192 |
|
103 |
97.2 |
93 |
95.0 |
78 |
|
1986 |
229 |
240 |
|
206 |
|
290 |
|
|
|
155 |
137 |
|
|
|
116 |
|
|
|
1987 |
174 |
219 |
|
213 |
|
217 |
|
|
|
143 |
124 |
|
|
|
108 |
|
|
|
1988 |
169 |
266 |
|
234 |
|
233 |
|
|
|
|
86.5 |
|
|
|
|
|
|
|
1989 |
205 |
264 |
|
|
|
|
|
|
|
|
87.5 |
|
|
|
|
|
|
|
1990 |
|
223 |
|
|
|
|
|
|
|
|
149 |
|
|
|
|
|
|
|
1991 |
|
|
|
|
|
|
|
|
|
|
77.7 |
|
|
|
|
|
|
|
1992 |
|
|
|
|
|
|
|
|
|
|
80.5 |
|
|
|
|
|
|
|
1993 |
|
|
|
|
|
|
|
|
|
|
99.3 |
|
|
|
|
|
|
|
1994 |
|
|
|
|
|
|
|
|
|
|
98.8 |
|
|
|
|
|
|
|
1995 |
|
|
|
|
|
|
|
|
|
|
117 |
|
|
|
|
|
|
|
1996 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1997 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Av. |
236 |
226 |
226 |
225 |
203 |
196 |
161 |
159 |
154 |
137 |
119 |
114 |
104 |
104 |
102 |
78.8 |
78.1 |
|
min |
143 |
170 |
126 |
140 |
82.8 |
83.5 |
94.8 |
102 |
80.9 |
100 |
70.2 |
81.6 |
49.2 |
42.3 |
56.0 |
43.2 |
43.0 |
|
max |
329 |
304 |
359 |
327 |
282 |
325 |
248 |
209 |
257 |
181 |
192 |
155 |
178 |
220 |
145 |
116 |
117 |
|
Cv |
0.18 |
0.08 |
0.20 |
0.18 |
0.15 |
0.25 |
0.15 |
0.15 |
0.19 |
0.12 |
0.23 |
0.13 |
0.27 |
0.28 |
0.18 |
0.13 |
0.17 |