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

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TABLE 7b . Ranges of and mean (x) concentrations of particulate carbon (PC),nitrogen (PN) and phosphorus (PP) in suspended sediments from selected Mackenzie and Porcupine River watersheds, 1971-74 . Values given are per gram dry weight of suspended sediment . River mMoles PN m 1 mMoles PP gm -l mMoles PC gm-1 GROUP I Range x Range x Range x Arctic Red 0 .02 - 5 .6 0 .804 0 .01 - 0 .83 0 .102 0 .71 - 97 13 .2 Peel 0 .09 - 15 1 .38 0 .02 - 0 .04 0 .028 - 1 .6 - 360 30 .3 Mackenzie (Norman Wells) 0 .06 - 1 .0 0 .214
I a m r TABLE 8 . Mean annual rates of transport of particulate carbon (PC) in suspended sediments in selectod Mackenzie and Porcupine River watersheds, 1971-73 . Co = organic carbon, C,-,1 = inorganic carbon, 15T? = total annual moles of dissolved HC03 . River 109 Moles PCa yr -1 *10 3 Moles yz~w km- 2 yr-1 PCo /PCin TCa fffC a GROUP 1 Arctic Red . 4 .42 292 2 .53 0.076 Peel 11 .0 158 2 .05 0.039 Mackenzie (Norman Wells) 226 144 0 .654 0.085 Liard (Ft . Liard) 17 .1 77 .1 0 .353 0.022 Liard (Ft . Simpson) 24 .9 100 0 .401 0.029 South Nahanni (Clausen Creelb 7 .04 211 0 .050 South Nahanni (Virginia Falls) 1 .34 91 .8 1 .80 0 .019 GROUP 2 Willowlake 0 .251 11 .7 9 .62 0 .014 Martin 0 .045 22 .6 3 .01 0 .026 Harris 0 .001 1 .68 17 .5 0.008 Caribou Bar 0 .006 16 .8 0 .200 0 .017 GROUP 3 Mackenzie (Ft . Providence) 7 .81 8 .05 0.457 0 .008 Trout 0 .106 11 .7 0.283 0 .012 Great Bear 1 .07 7 .34 0 .178 0 .011
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 and 50: 37 i TABLE 2c . Slopes (b) and inte
Page 51 and 52: i 39 b TABLE 3 . Average annual mas
Page 53 and 54: 41 v b TABLE 5 . Cation exchange ca
Page 55: N c . P TABLE 7a . Ranges of concen
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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