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

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TABLE 9 . Mean annual rate of transport of particulate nitrogen (PN) in suspended sediments of selected Mackenzie and Porcupine River watersheds, 1971-73 . TDNa = Annual mass of Total Dissolved Nitrogen . - River 10 6 Moles PN a yr -1 10 3 Moles PNw km 2 yr -1 TDNa/PNa GROUP 1 Arctic Red 222 13 .6 0 .248 Peel 643 9 .19 0 .544 Mackenzie (Norman Wells) 7900 5 .02 1 .07 Liard (Ft . Liard) 1350 6 .08 1 .11 Liard (Ft . Simpson) 1660 6 .69 1 .80 South Nahanni (Clausen Creek) 244 7 .31 0 .424 South Nahanni (Virginia Falls) 45 .9 3 .14 1 .94 GROUP 2 Willowlake 14 .9 0 .690 4 .42 Martin 0 .529 0 .267 9 .45 Harris 0.084 0 .113 13 .2 Caribou Bar 0 .381 1 .00 6 .30 GROUP 3 Mackenzie (Ft . Providence) 697 0 .718 2 .77 Trout 7 .03 0 .773 4 .97 Great Bear 75 .5 0 .517 4 .80 4 'k b a a
01 TABLE 10. Mean annual rates of transport of phosphorus (PP) in suspended sediments of selected Mackenzie and Porcupine River watersheds, 1.971-73, and mole ratios of C, N and P in suspended sediments, calculated from PPa , PNa and PC a . TDPa = Annual mass of Total Dtssolved Phosphorus . River 10 6 Moles PPa yr -1 10 3 Moles T7w km-2 yr -1 TDPQ PP a PC :PN :PP GROUP 1 Arctic Red 52 .3 2 .90 0.173 84 :4 .3 :1 Peel 58 .5 0 .836 0 .179 188 :11 :1 Mackenzie (Norman Wells) 1400 0 .892 0 .197 162 :5 .6 :1 Liard (Ft . Liard) 167 0 .755 0 .329 -149 :8 .1 :1 Liard (Ft . Simpson) 233 0 .939 0 .166 73 :7 .1 :1 South Nahanni (Clausen CreekT Creekf 38 .3 1 .14 0 .335 183 :7 .8 :1 South Nahanni (Virginia Falls) 7 .91 0 . .542. 0 .342 169 :13 .6 :1 GROUP 2 . Willowlake 1 .87 0 .087 0 .622 '134 :25 :1 Martin 0 .089 0 .045 0 .640 506 :5 .9 :1 Harris 0 .006 0 .008 1 .41 166 :14 :1 Caribou Bar 0 .040 0 .1 .05 1 .69 150 :9 .5 :1 GROUP 3 Mackenzie (Ft . Providence) 44 .8 0 .046 1 .32 174 :16 :1 Trout 0 .469 0 .052 2 .64 226 :15 :1 Great Bear 5 .90 0 .040 4 .16 181 :12 :1
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 and 56: N c . P TABLE 7a . Ranges of concen
Page 57: I a m r TABLE 8 . Mean annual rates
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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