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

More documents

Recommendations

Info

42 TABLE 6 . Ammonium acetate (IN) and HCI (IN) extracible cations from Mackenzie Delta Channel Station EC1-3 sediments . See Brunskill et at . (1973, Appendix 1) for location of station, and see Campbell et at . (1975) for sediment minerology and chemistry . This sediment sample had 1 .4 mMoles organic carbon/g dry wt . and 1 .5 mMoles C03-C/9- Samples were analyzed in duplicate, and average values are given . Cation exchange capacity for this sample was 23 .2 meq/100 g . Elements NH 4OAc Extract (umoles/g dry wt . of sediment) HC1 Extract (umoles/g) 101 1,220 I Mg 13, 610 Na 1 .1 34 K 0 .8 3 Fe
N c . P TABLE 7a . Ranges of concentrations of particulate carbon (PC(), nitrogen (PNe) and phosphorus (PPi) in waters from selected Mackenzie and Porcupine River watersheds, 1971-74 . Values given are per cubic meter of river water . River mMoles N mMoles PP( m-3 mMoles PCi m - 3 GROUP 1 Arctic Red 1 .0 - 73 0 .07 - 17 12 - 1600 Peel 0 .64 - 51 0 .07 - 4 .9 8 .0 - 920 -Mackenzie (Norman Wells) 3 .5 - 180 0.36 - 27 - 62 - 6300 Liard (Ft . Liard) 0 .27 - 45 0 .35 - 6 .9 3 .3 - 690 Liard (Ft . Simpson) 2 .2 - 110 0 .12 - 24 32 - 2200 South Nahanni (Clausen Creek) 4 .2 - 32 0 .29 - 6 .4 24 - 1100 South Nahanni (Virginia Falls) 0 .36 - ,28
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: 41 v b TABLE 5 . Cation exchange ca
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
show all

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

Create successful ePaper yourself

Delete template?

Save as template?