13 



1200 



1000 



^ 



800 



^ 600 



ffl 400 



200 



Figure 3.6: Five- Year l\^oving Flow-Weighted TDS Concentration for East Poplar River 

 at International Boundary 



rv*" fJ= ^ iO' ^* ^ ^ ^ ;&' ^ %<* <^ ^ <S' <§' <§> 4> <i^ (S^ ^ q^ <^ ft* <^ <§> cs'i qO o*^ c?' 

 >?>o vji.o ^<^o >,*o ^*o ^j^o v?.o v?.o >,*o ^>o ^*o ^*o ^*o v,*<^ ^*^ >,*o >j>o ^^ />' / / / / / /^' / /■- ^<!,^- / 



1600 



1400 



1200 



Figure 3.7: Daily TDS Concentration, 1 990 to 2001 ; East Poplar River at International 

 Boundary (regression-derived data) 



cP # a^ ji"- # <i^ J> ^ o^ o|» Jp ^ J' rf> ftA j^A jj* jj% jjQ j^ jp jp j^N »N ^ 

 ^1^ >j» ^<^ ^^ >j!.<^ 5^ ^*<> >s» ^<iJ> ^>» ^,^<^ >j» ^,^<> vj^ ^^o Nt> ^^o vj> ^*o >j» ^<,r /^ /■ ^<» / 



