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Table 9 Dynamics of river runoff by selected major rivers of the
world, km
3
|
Year
|
Amazon
|
Gangas
|
Congo
|
Orinoco
|
Yangtze
|
La Plata
|
Yenisei
|
Lena
|
Mississippi
|
Mekong
|
Chutsyan
|
Ob
|
Amur
|
Mackenzie
|
St. Lawrence
|
Niger
|
Volga
|
|
S, thou. km
2
|
6915
|
1730
|
3680
|
1000
|
1800
|
3100
|
2580
|
2490
|
2980
|
810
|
437
|
2990
|
1855
|
1790
|
1030
|
2090
|
1380
|
|
L, km
|
6280
|
3000
|
4370
|
2740
|
5520
|
4700
|
3490
|
4400
|
6420
|
4500
|
2130
|
3650
|
2820
|
5472
|
3060
|
4160
|
3350
|
|
1877
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
320
|
|
|
|
1878
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
336
|
|
|
|
1879
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
329
|
|
|
|
1880
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
318
|
|
|
|
1881
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
302
|
|
|
|
1882
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
338
|
|
289
|
|
1883
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
333
|
|
241
|
|
1884
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
349
|
|
290
|
|
1885
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
335
|
|
253
|
|
1886
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
361
|
|
298
|
|
1887
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
346
|
|
308
|
|
1888
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
312
|
|
353
|
|
1889
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
321
|
|
305
|
|
1890
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
349
|
|
225
|
|
1891
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
325
|
|
203
|
|
1892
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
302
|
|
273
|
|
1893
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
317
|
|
293
|
|
1894
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
312
|
|
298
|
|
1895
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
271
|
|
314
|
|
1896
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
281
|
|
232
|
|
1897
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
287
|
|
216
|
|
1898
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
299
|
|
182
|
|
1899
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
295
|
|
332
|
|
1900
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
297
|
|
266
|
|
1901
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
295
|
|
237
|
|
1902
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
301
|
|
283
|
|
1903
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
316
|
|
274
|
|
1904
|
|
|
|
|
|
800
|
|
|
|
|
|
|
|
|
322
|
|
223
|
|
1905
|
|
|
|
|
|
1230
|
|
|
|
|
|
|
|
|
311
|
|
269
|
|
1906
|
|
|
|
|
|
780
|
|
|
|
|
|
|
|
|
310
|
|
250
|
|
1907
|
|
|
|
|
|
780
|
|
|
|
|
|
|
|
|
323
|
|
208
|
|
1908
|
|
|
|
|
|
880
|
|
|
|
|
|
|
|
|
339
|
|
273
|
|
1909
|
|
|
|
|
|
640
|
|
|
|
|
|
|
|
|
311
|
|
263
|
|
1910
|
|
|
|
|
|
610
|
|
|
|
|
|
|
|
|
299
|
|
177
|
|
1911
|
|
|
|
|
|
760
|
|
|
|
|
|
|
|
|
283
|
|
226
|
|
1912
|
|
|
|
|
|
960
|
|
|
|
|
|
|
|
|
308
|
|
252
|
|
1913
|
|
|
|
|
|
740
|
|
|
|
|
|
|
|
|
336
|
|
255
|
|
1914
|
|
|
|
|
|
710
|
|
|
504
|
|
|
|
|
|
308
|
|
306
|
|
1915
|
|
|
|
|
|
660
|
|
|
548
|
|
|
|
|
|
286
|
|
297
|
|
1916
|
|
|
|
|
|
580
|
|
|
591
|
|
|
|
|
|
317
|
|
319
|
|
1917
|
|
|
|
|
|
570
|
|
|
513
|
|
|
|
|
|
320
|
|
290
|
|
1918
|
|
|
|
|
|
670
|
|
|
534
|
|
|
|
|
|
318
|
|
263
|
|
1919
|
|
|
|
|
|
920
|
|
|
496
|
|
|
|
|
|
328
|
|
258
|
|
1920
|
6330
|
|
1201
|
|
|
960
|
|
|
525
|
|
|
|
|
|
290
|
226
|
210
|
|
1921
|
7080
|
1392
|
1300
|
|
1204
|
960
|
|
|
477
|
496
|
509
|
|
369
|
|
302
|
176
|
163
|
|
1922
|
6900
|
1393
|
1205
|
|
1026
|
1000
|
|
|
467
|
512
|
469
|
|
295
|
|
300
|
280
|
244
|
|
1923
|
6510
|
1394
|
1303
|
|
1002
|
980
|
|
|
434
|
596
|
572
|
|
349
|
|
279
|
300
|
293
|
|
1924
|
7010
|
1396
|
1358
|
960
|
1115
|
650
|
|
|
543
|
534
|
540
|
|
303
|
|
292
|
482
|
264
|
|
1925
|
6380
|
1391
|
1314
|
860
|
887
|
590
|
|
|
445
|
469
|
353
|
|
215
|
|
276
|
475
|
257
|
|
1926
|
6660
|
1391
|
1402
|
710
|
1137
|
910
|
|
|
514
|
490
|
572
|
|
225
|
|
277
|
317
|
391
|
|
1927
|
7000
|
1387
|
1190
|
1030
|
1111
|
720
|
|
|
631
|
577
|
447
|
|
291
|
|
295
|
417
|
334
|
|
1928
|
6560
|
1390
|
1300
|
940
|
698
|
850
|
|
|
631
|
474
|
357
|
|
450
|
|
314
|
458
|
350
|
|
1929
|
6350
|
1394
|
1246
|
920
|
800
|
1040
|
|
|
690
|
605
|
469
|
|
411
|
|
338
|
449
|
308
|
|
1930
|
6580
|
1393
|
1268
|
880
|
1050
|
820
|
658
|
600
|
405
|
508
|
447
|
|
348
|
|
337
|
436
|
226
|
|
1931
|
6030
|
1378
|
1182
|
950
|
1240
|
1090
|
650
|
616
|
280
|
400
|
469
|
|
412
|
|
273
|
365
|
237
|
|
1932
|
6740
|
1385
|
1292
|
950
|
1046
|
1010
|
652
|
561
|
411
|
450
|
509
|
|
540
|
|
288
|
375
|
270
|
|
1933
|
6320
|
1376
|
1295
|
920
|
995
|
700
|
649
|
623
|
540
|
436
|
393
|
|
308
|
|
265
|
329
|
208
|
|
1934
|
7180
|
1383
|
1294
|
780
|
983
|
520
|
621
|
551
|
280
|
501
|
447
|
|
328
|
|
241
|
285
|
201
|
|
1935
|
6740
|
1391
|
1380
|
890
|
1239
|
900
|
672
|
636
|
604
|
454
|
447
|
|
353
|
|
240
|
279
|
209
|
|
1936
|
5790
|
1386
|
1320
|
900
|
894
|
660
|
652
|
522
|
363
|
506
|
504
|
354
|
426
|
|
254
|
356
|
188
|
|
1937
|
5930
|
1392
|
1337
|
860
|
1204
|
670
|
648
|
538
|
564
|
608
|
411
|
364
|
408
|
|
286
|
242
|
165
|
|
1938
|
6380
|
1380
|
1269
|
1040
|
1234
|
670
|
662
|
623
|
510
|
610
|
348
|
386
|
365
|
|
284
|
286
|
178
|
|
1939
|
7220
|
1396
|
1312
|
830
|
955
|
720
|
628
|
473
|
485
|
595
|
384
|
370
|
325
|
|
280
|
255
|
185
|
|
1940
|
6580
|
1386
|
1334
|
750
|
851
|
830
|
611
|
444
|
312
|
502
|
424
|
332
|
343
|
|
277
|
211
|
197
|
|
1941
|
6420
|
1404
|
1261
|
830
|
796
|
770
|
454
|
444
|
365
|
593
|
371
|
484
|
374
|
|
274
|
230
|
259
|
|
1942
|
6390
|
1388
|
1334
|
900
|
835
|
870
|
611
|
486
|
507
|
573
|
459
|
408
|
356
|
|
287
|
168
|
269
|
|
1943
|
6590
|
1393
|
1119
|
1030
|
1044
|
720
|
574
|
499
|
569
|
548
|
355
|
398
|
398
|
|
335
|
215
|
251
|
|
1944
|
7000
|
1388
|
1244
|
980
|
1043
|
450
|
676
|
616
|
494
|
496
|
451
|
379
|
227
|
|
313
|
168
|
244
|
|
1945
|
6090
|
1388
|
1234
|
940
|
1021
|
580
|
560
|
470
|
727
|
541
|
438
|
335
|
314
|
|
329
|
227
|
216
|
|
1946
|
7000
|
1386
|
1233
|
990
|
953
|
980
|
624
|
512
|
555
|
496
|
487
|
468
|
373
|
|
325
|
297
|
276
|
|
1947
|
6700
|
1385
|
1367
|
870
|
969
|
900
|
641
|
483
|
525
|
523
|
612
|
519
|
365
|
|
342
|
236
|
331
|
|
1948
|
7190
|
1390
|
1389
|
900
|
1259
|
640
|
635
|
535
|
527
|
585
|
531
|
502
|
432
|
308
|
331
|
329
|
276
|
|
1949
|
6760
|
1385
|
1244
|
930
|
1311
|
560
|
655
|
636
|
464
|
564
|
532
|
446
|
308
|
348
|
304
|
257
|
228
|
|
1950
|
7290
|
1385
|
1268
|
910
|
1137
|
740
|
594
|
480
|
782
|
548
|
492
|
480
|
249
|
290
|
317
|
279
|
241
|
|
1951
|
7160
|
1400
|
1289
|
1040
|
935
|
740
|
648
|
603
|
717
|
547
|
496
|
338
|
371
|
312
|
349
|
335
|
222
|
|
1952
|
7050
|
1394
|
1305
|
950
|
1169
|
700
|
652
|
558
|
540
|
574
|
513
|
335
|
287
|
323
|
361
|
299
|
244
|
|
1953
|
7370
|
1388
|
1176
|
1000
|
947
|
610
|
601
|
467
|
392
|
489
|
397
|
320
|
412
|
304
|
340
|
308
|
256
|
|
1954
|
7520
|
1376
|
1197
|
1060
|
1401
|
790
|
560
|
428
|
292
|
451
|
480
|
342
|
217
|
310
|
336
|
374
|
190
|
|
1955
|
7400
|
1364
|
1405
|
910
|
986
|
610
|
594
|
506
|
400
|
460
|
327
|
316
|
438
|
349
|
348
|
450
|
273
|
|
1956
|
7210
|
1387
|
1341
|
1030
|
937
|
860
|
580
|
506
|
376
|
516
|
377
|
373
|
519
|
303
|
331
|
319
|
230
|
|
1957
|
6630
|
1212
|
1341
|
860
|
902
|
1000
|
560
|
519
|
595
|
415
|
361
|
427
|
449
|
372
|
305
|
375
|
296
|
|
1958
|
7240
|
1424
|
1118
|
830
|
953
|
850
|
655
|
593
|
530
|
413
|
299
|
424
|
418
|
290
|
286
|
287
|
284
|
|
1959
|
7430
|
1395
|
1158
|
890
|
820
|
900
|
675
|
593
|
434
|
466
|
473
|
433
|
418
|
346
|
291
|
300
|
257
|
|
1960
|
6550
|
1390
|
1471
|
920
|
841
|
760
|
587
|
519
|
469
|
470
|
309
|
451
|
505
|
340
|
310
|
447
|
225
|
|
1961
|
7230
|
1372
|
1524
|
830
|
975
|
920
|
659
|
649
|
579
|
554
|
444
|
431
|
458
|
313
|
304
|
343
|
251
|
|
1962
|
7010
|
1320
|
1775
|
930
|
1023
|
650
|
603
|
571
|
553
|
452
|
369
|
401
|
408
|
420
|
271
|
373
|
256
|
|
1963
|
7670
|
1361
|
1622
|
930
|
993
|
690
|
655
|
499
|
329
|
556
|
197
|
354
|
412
|
367
|
268
|
313
|
239
|
|
1964
|
6890
|
1383
|
1545
|
840
|
1218
|
560
|
532
|
509
|
384
|
533
|
386
|
347
|
365
|
335
|
259
|
318
|
213
|
|
1965
|
7310
|
1406
|
1359
|
930
|
1027
|
1050
|
587
|
519
|
496
|
508
|
405
|
400
|
331
|
322
|
255
|
318
|
250
|
|
1966
|
7500
|
1406
|
1537
|
950
|
859
|
950
|
563
|
613
|
408
|
608
|
378
|
448
|
332
|
322
|
285
|
320
|
283
|
|
1967
|
7290
|
1393
|
1327
|
970
|
998
|
670
|
543
|
590
|
466
|
418
|
357
|
275
|
287
|
333
|
305
|
308
|
166
|
|
1968
|
6630
|
1400
|
1488
|
910
|
1110
|
500
|
566
|
551
|
542
|
411
|
546
|
313
|
259
|
337
|
312
|
298
|
232
|
|
1969
|
6670
|
1391
|
1662
|
1200
|
931
|
600
|
607
|
483
|
524
|
466
|
375
|
437
|
342
|
289
|
343
|
437
|
229
|
|
1970
|
7060
|
1392
|
1529
|
1220
|
1042
|
550
|
583
|
519
|
388
|
564
|
440
|
459
|
351
|
279
|
322
|
339
|
281
|
|
1971
|
7430
|
1359
|
1296
|
1200
|
865
|
670
|
628
|
532
|
569
|
556
|
458
|
510
|
385
|
305
|
333
|
253
|
240
|
|
1972
|
7520
|
1346
|
1253
|
1310
|
784
|
820
|
577
|
499
|
877
|
435
|
304
|
442
|
432
|
339
|
346
|
163
|
232
|
|
1973
|
7090
|
1354
|
1211
|
1010
|
1066
|
890
|
679
|
512
|
732
|
520
|
506
|
502
|
398
|
325
|
402
|
212
|
182
|
|
1974
|
7630
|
1686
|
1276
|
1000
|
981
|
880
|
730
|
626
|