1 + 



2 



~ 3 



E 



44 



I 



t 5 



UJ 



° 6 



T and DO 



X 



X 



i 



T and DO 



? 1 ^ ? .le ^^ 



a. Dietrich - Upstream. 10 July 1978 



b.West ForkTolovana,13 Sept 1978 



1 

 2 



3 



E 

 - 4 



I 



m 

 Q 6 



T arxj DO 



2 4 6 8 10 12 14 16 



i 1 



X 



I 



cTanana— Downstream, 9 Sept 1976 



1 



2 • 



Q. 

 Q 3 



T and DO 



2 4 6 ^ 10 1g 14 16 18 



X 



// 



d.Tanana — Upstream, 19 Aug 1978 



X' — X Temperature (°C) 



• • Dissolved Oxygen (mg/t) 



Figure 50. Temperature and dissolved oxygen profilesat four deep gravel pit 

 study sites. 



165 



