CONTENTS 



Page 



Introduction 1 



Background 1 



Distribution of river waters 2 



Determining salinity distribution 2 



Dye studies 3 



Paths of fluorescent dye 3 



Shear lines 8 



Plotting river waters from drift cards 9 



Synopsis of distribution of river waters 10 



Tidal influence 12 



Effects of wind 12 



Summary 12 



Literature cited 13 



Figures 



1. Bristol Bay, showing locations of principal river systems 2 



2. Vertical profiles of salinity at 16-km intervals, Bristol Bay, August 1966 3 



3. Surface salinity at low tide, Bristol Bay, July and August 1966 4 



4. Bottom salinity at low tide, Bristol Bay, July and August 1966 5 



5. Surface salinity at high tide, Bristol Bay, July and August 1966 6 



6. Bottom salinity at high tide, Bristol Bay, July and August 1966 7 



7. Course of river waters in Bristol Bay on ebb tide as determined from course of dye releases in July and 

 August 1965 and 1966 8 



8. Course of river waters in Bristol Bay on flood tide as determined from course of dye releases in July and 

 August 1965 and 1966 8 



9. Recovery locations of cards, Kvichak River mouth, 2 June 1967 9 



10. Recovery locations of cards, Naknek River mouth, 2 June 1967 9 



11. Recovery locations of cards, Cape Chichagof, 2 June 1967 10 



12. Recovery locations of cards, Egegik Bay, 2 June 1967 10 



13. Recovery locations of cards, lat. 58°N, inner Bristol Bay, 2 June 1967 11 



14. Recovery locations of cards, Cape Greig, 2 June 1967 11 



15. Recovery locations of cards, Ugashik Bay, 2 June 1967 11 



16. Recovery locations of cards, Cape Menshikof, 2 June 1967 11 



Table 



1. Number and percent of drift cards recovered in eight areas of Bristol Bay, 2 June 1967 9 



