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

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38 TABLE 2d . Slopes (b) and intercepts (a) of regression lines relating PP,~ and Q~•, (PP,~ aQb) (see Fig . 4) . Also given are the levels of significance of the slopes (1-o) and the correlation coefficient (r) for each line . River a b 1-a(%) r GROUP 1 4 . Arctic Red 0 .12 0 .62 90 .0 0 .65 Peel- 0 .004 0 .90 97 .5 0 .74 Mackenzie (Norman Wells) 2 x 10- 5 1 .24 '99 .0 0 .66 Liard (Ft . Liard) - -
i 39 b TABLE 3 . Average annual mass (SSa ) and annual mass per unit watershed area per year (mow) of suspended sediments transported out of watersheds of the Mackenzie and Porcupine Rivers, 1971-74 . See Campbell et aZ . (1975) for more detailed data . River Annual mass of suspended sediments (metric tons year - l) SS a Annual mass of sediments per km 2 (metric tons km -2 year -1 ) SS -- GROUP 1 6 Arctic Red 1,900,000 126 Peel 6,180,000 88 .3 Mackenzie (Norman Wells) 101,000,000 64 .5 Liard (Ft . Liard) 10,100,000 45 .4 Liard (Ft . Simpson) 31,200,000 126 South Nahanni (Clausen Creek) ! 2,100,000 62 .9 South Nahanni (Virginia Falls) ! 530,000 36 .3 GROUP 2 Willowlake 79,800 3 .7 Martin 3,150 1 .6 Harris 130 0 .18 Caribou Bar 4,390 11 .5 GROUP 3 Mackenzie (Ft . Providence) 621,000 0 .64 Trout 7,280 0 .80 Great Bear 59,900 0 .41
Page 1 and 2: Department of the Environment Minis
Page 3 and 4: iii TABLE OF-CONTENTS Page List of
Page 5 and 6: V TABLE 8 . Page Mean annual rates
Page 7 and 8: vii LIST OF FIGURES Page Figure 1 .
Page 9 and 10: ix ABSTRACT Brunskill, G . J ., P .
Page 11 and 12: xi RESUMt Brunskill, G . J ., P . C
Page 13 and 14: 1 INTRODUCTION In regions of northe
Page 15 and 16: 3 Stream and river bottom sediments
Page 17 and 18: Annual rates of transport were obta
Page 19 and 20: 7 The total mass of sediments remov
Page 21 and 22: 9 Only two clay minerals were found
Page 23 and 24: 11 increased sediment concentration
Page 25 and 26: 13 changes in albedo, and the gener
Page 27 and 28: 15 Increases in the concentrations
Page 29 and 30: 17 which is positively related to w
Page 31 and 32: 19 and velocity (Fig . 1) . For the
Page 33 and 34: 21 It will be necessary to quantify
Page 35 and 36: 23 CONCLUSIONS 1 . For selected riv
Page 37 and 38: 25 REFERENCES Abrahams, A . D . and
Page 39 and 40: 27 Corbel, J . 1964 . L erosion ter
Page 41 and 42: 29 Hughes, 0 . L ., J . J . Veillet
Page 43 and 44: 33 McRoberts, E . C . and N . R . M
Page 45 and 46: 33 Tarnocai, C . 1973 . Soils of th
Page 47 and 48: , 35 e TABLE 2a . Slopes ') and int
Page 49: 37 i TABLE 2c . Slopes (b) and inte
Page 53 and 54: 41 v b TABLE 5 . Cation exchange ca
Page 55 and 56: N c . P TABLE 7a . Ranges of concen
Page 57 and 58: I a m r TABLE 8 . Mean annual rates
Page 59 and 60: 01 TABLE 10. Mean annual rates of t
Page 61 and 62: 49 TABLE 12 . Significance of regre
Page 63 and 64: TABLE 14 . Mean concentrations of s
Page 65 and 66: 9 Q TABLE 16 . A comparison of annu
Page 67 and 68: TABLE 17 . cont'd River Year Date S
Page 69 and 70: S TAME 17 . cont'd River Year Date
Page 71 and 72: TABLE 17 . cont'd River Year Date Q
Page 73 and 74: It • TABLE 17 . cont'd River Year
Page 75 and 76: TABLE 17 . cant 'd River Year Date
Page 77 and 78: 2 =0.67 100,000- N E Y a 10,000- Y
Page 79 and 80: c 11 I C- 10 - E n I, 0 10- E e 0.1
Page 81: II (m 3 vnnr - ' v In'6 1 r r, m A

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