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

TABLE 14 . Mean concentrations of selected major and minor elements in suspended sediments, and mean
annual rate of transp ort of these elements in particulate material from selected Mackenzie
Valley watersheds . I'Xw = mean rate of transport of element X in particulate phase, per
unit watershed area per year, in 10 3 Moles km-2 yr - l . PX,j - mean concentration of element
X in particulate phase per gram dry weight of suspended sediment, in moles g-1 . These .
data are based on small numbers of analyses for the elements (1-4 measurementsfelement)
and large numbers of suspended sediment determinations (10-40) for each river .
Ca Si Al Cu
River
a ix V a f 1 ; 10 f i PA I x 10 FCu x 10 Muw PZn- x 10 nw
Arctic Red 1 .14* 140 0 .91 1140 2 .59 330 5 .65 0 .07 1 .26 0 .13
Liard (Ft . Liard) 1 .74 74 1 .00 440 2 .50 110 5 .26 0.02 1 .38 0 .06
Liard (Ft . Simpson) 0.94 120 1 .07 1350 2 .75 350 7 .26 0 .09 1 .08 0 .14
Peel 0 .92 82 1 .06 940 2 .88 260 4 .98 0.04 1 .04 0 .09
South Nahanni
(Virginia Falls) 2 .67 98 1 .21 380 2 .08 76 -- -- - --
Harris -- -- -- -- 17 .0 0.0008 3 .43 0 .004
1
Z standard deviation
of mean annual concentrations
for 1971-73 .
50 38 14 55 51
* The mean concentration of Ca in particulate phase Is 1 .14 x 10-3 Moles per gram dry weight (110°)
of suspended sediment .
L L