Table 12. Quantification Ratings of Change in Quantity of 



Intergravel Flow Resulting from the Gravel Removal 



Operation at Each of the 25 Sites 



River Gravel removal area Intergravel flow 



Go I d Run Creek 5 



S i nuk R i ver A 5 



B 5 



Washington Creek A 9 



B 5 



Oregon Creek A 7 



B 5 



Penny River 7 



Nome River 5 



Ugnuravik River 5 



Aufeis Creek A 10 



B 5 



Kuparuk River 5 



Skeetercake Creek 5 



Sagavan ir k tok River 5 



I V i shak R i ver 5 



Shaviovik River 5 



Kavik River 5 



Dietrich R i ver-Upstream 3 



Dietrich River-Downstream 5 



Middle Fork Koyukuk R i ver-Upstream A 5 



B 5 



Middle Fork Koyukuk River-Downstream 5 



Jim R i ver 5 



Prospect Creek 5 



West Fork Tolovana River 5 



McManus Creek 5 



Tanana River-Downstream 4 



Tanana R i ver-Upstream 4 



Phe I an Creek 5 



a 



ntergravel flow ratings: 



10 All surface flow converted to intergravel flow for one summer or more 

 9 Substantial long-term loss of surface flow to intergravel flow 

 8 Moderate long-term loss of surface flow to intergravel flow 

 7 Implied long-term loss of surface flow to intergravel flow 

 6 Small quantities of surface flow lost to intergravel flow 

 5 No apparent change 



4 Implied increase of surface flow and decrease of intergravel flow 

 3 Known increase of surface flow and decrease of intergravel flow 

 0-2 Not used 



131 



