Table 8. Footnotes 



D 



_ Wedian size in the gravel removal area 



R ~ median size upstream from ttie gravel removal area 



10 10 <_ 0- (due to gravel removal activity) 



9 2 < D < 10 (due to gravel removal activity) 



8 1.2 < < 2 (due to gravel removal activity) 



7 1.2 £ D (cause uncertain! 



6 I < Op < 1.2 



5 D^: I 



4 0.8 < Dp £ I 



3 D„ £ 0.8 (cause uncertain) 



2 0.5 < < 0.8 (due to gravel removal activity) 



I 0.2 < D < 0.5 (due to gravel removal activity) 



D < 0.2 (due to gravel removal activity 



Channel degradation ratings: 



10 Very substantial degradation upstream of ttie disturbed area 



9 Substantial degradation upstream of the disturbed area 



8 Large amount of degradation upstream of the disturbed area 



7 A noticeable amount of degradation upstream of the disturbed area, 

 but not unl ilie degradation which could occur naturally 



6 Slight degradation upstream of disturbed area observed or implied; 

 may not be a result of gravel removal 



5 No degradation, observed or implied by the data 

 0-4 Not used 



Bed load ratings: 



10 Substantial increase in bed load by erosion In the gravel removal 

 area 



9 Large increase in bed load oy erosion in the gravel removal area 

 e Increase in bed load by erosion in the gravel removal area 



7 Bed load increase due to gravel removal activity expected but not 

 verified by direct evidence 



6 Slight bed load increase potentially due to gravel rerroval activity 



5 No bed load change evident 



4 Slight bed load decrease by deposition in the gravel removal area 



3 Moderate bed load decrease by deposition in the gravel retroval area 

 0-2 Not used 



Suspended load ratings: 



9-10 Not Lsed 



8 Large temporary and/or moderate long term increase in suspended 

 load 



7 Temporary increase in suspended load as a result of disturbance 

 of armor coat 



6 Potential slight increase In suspended lead resulting from gravel 

 r emova I act I v i ty 



5 No apparent change in suspenreO iced 



4 Potential slight decrease In suspended lead resulting fronr deposition 

 3 tfoderate amount of deposition of suspended ir.atcrlal 



C-2 Not used 



120 



