FIGURE 14. Typical seasonal variation in wetted perimeter and width of littoral 

 zone (area between daily high and low water marks) of the Kootenai 

 River at three river cross sections, with and without the proposed 

 dam, assuminq a forebay elevation of 610 m (?0()0 ft) and tho jiattorn 

 of discharge shown in I iqiiro 12 (SOURCE: Sewol I and Associates ][}7')) 



1000 

 900- 

 800- 



River cross-section no. I 



With project- 



Without project- 



700 



600- 



500- 



400- 



„ 300 -• 



600 



a> 



E 



a> 



"S 500 -f 



100% of time< 



1 



>807o of time 



5 



400- 

 300- 



200- 



With project- 



River cross-section no. 4 



Without project- 



-300 



-200 



-loo";;; 



<u 



E 



200^ 



0) 



a. 





01 



5 



600-1 River cross-section no. 7 



1 1 1 1 1 1 1 1 >> 1 1 1 }> 1 1 1 1 1 1 1 1 \ 1 1 I I I 



300-1- 



^ 



With project 



Without project — 



~^ \ \ I I \ \ \ 1 \ 1 



lar Feb Mar Apr May Jun July Aug Seo Oct Nov Dec 



r200 



-100 



87 



