The chemistry, mineralogy, and rates of transport of sediments in the ...

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TABLE 16 . A comparison of annual rates of sediment transport in large and
small Mackenzie and Porcupine River watersheds with other Arctic,
Subarctic and Temperate Zone watersheds . Ad - watershed area in
km 2 , Q a - annual discharge in m3 yr- 1, SSw = annual sediment
transport per unit watershed area in metric tons km -2 yr-1 . .
I
River Ad Q A
SSw Reference
(km2 ) (m 3 vr-1 ) (metric tons
km- 2 yr" 1)
Yukon, Alaska 955 x 10 3 173 x 109 1n3 Matthews, 1973
Colville, Alaska 50 x 10 3 16 x In 9 15n Arnborg et al ., 1966, 1967
Chena River, Alaska 5 .1 x 1n 3 -1 .7 x 1n 9 17 Prey et al ., 1970
Mississippi 3 .2 x 10 6 563 x in9 85 Ritter, 1967
Colorado 357 x 10 3 -- 378' Ritter, 1967
St . Lawrence 936 x 10 3 315 x 10 9 0 .64 D'Anglejan and Smith, 1973
Columbia 265 x 10 3 -- 35 Ritter, 1967
Large Rivers in
Mackenzie Valley,
Group 1 in Table 1 14-1570 x to 3 4-285 x 1n9
36-126 This study
Mackenzie & Peel 1 .-69 x 1n~ 313 x 109 68 This study
Char Lake streams,
Cornwallis Is ., N .W .T . 3 .5 49 x 10 4
,5 .5 de March, 1974, 1975
Hubbard Brook (W6) 0 .13 1n0 1 .n 3 2 .5 Aormann et al ., 1969
Small Rivers in Mackenzie
Valley, Croup 2 i n
Table 1
0.4-21 x
W ,
10 3 17-20no x 10 6 0 .17 - 11 .5 This study