UNCLASSIFIED 



SECURITY CLASSIFICATION OF THIS PAGE (When Date 



Entered) 





REPORT DOCUMENTATION PAGE 



READ INSTRUCTIONS 

 BEFORE COMPLETING FORM 



1. REPORT NUMBER 



MP 1-74 



2. GOVT ACCESSION NO. 



3. RECIPIENT'S CATALOG NUMBER 



4. TITLE fand SubHdoJ 



BED FORM DEVELOPMENT AND DISTRIBUTION PATTERN, 

 PARKER AND ESSEX ESTUARIES, MASSACHUSETTS 



5. TYPE OF REPORT 4 PERIOD COVERED 



Miscellaneous Paper 



6. PERFORMING ORG. REPORT NUMBER 



7. AUTHORf«; 



Jon C. Boothroyd 

 Dennis K. Hubbard 



8. CONTRACT OR GRANT NUMBERf.) 



DACW-72-70-C-0029 (CERC) 

 N00014-67-A-0230-0001 (ONR) 



9. PERFORMING ORGANIZATION NAME AND ADDRESS 



Coastal Research Center 

 University of Massachusetts 

 Amherst, Massachusetts 01002 



10. PROGRAM ELEMENT, PROJECT. TASK 

 AREA 4 WORK UNIT NUMBERS 



09-1013 



11. CONTROLLING OFFICE NAME AND ADDRESS 



Department of the Army 



Coastal Engineering Research Center 



Kingman Building 



Fort Belvoir, Virginia 22060 



12. REPORT DATE 



February 1974 



13. NUMBER OF PAGES 



AS -:M 1^- 



t4. MONITORING AGENCY NAME a ADDRESSf// ditlereni from Controlling Office) 



15. SECURITY CLASS, (of Ihia report) 



Unclassified 



ISa. DECLASSIFICATION/ DOWNGRADING 

 SCHEDULE 



16. DISTRIBUTION STATEMENT (of this Report) 



Approved for public release; distribution unlimited 



17. DISTRIBUTION STATEMENT (of the ebatract entered In Block 20, If different from Report) 



18. SUPPLEMENTARY NOTES 



19. KEY WORDS (Continue on reverse aide II neceasary and Identity by block number) 



Bed Form'^ Sand Wave 

 Ripple Tidal Cycle- 

 Megaripple Estuary.--^ 



Massachusetts -^ 



20. ABSTRACT (Continue on reverae aide If necesaary and Identity by block number) 



Velocity, depth, temperature, grain size, and bed form scale and 

 orientation were measured for complete tidal cycles at 50 stations in two 

 New England estuaries. Scuba observation of bed form change and migration, 

 fathometer profiles, and 700 bed form scale and orientation readings were 

 also carried out. This investigation led to the recognition of a sequence 

 of bed forms based on increasing "flow strength." 



Bed form type is governed by maximum flood and ebb velocities (Umax) 

 attained at a given locality. Velocity asymmetry and duration are important 



EDITION OF I NOV 65 IS OBSOLETE 



UNCLASSTFTFn 



SECURITY CLASSIFICATION OF THIS PAGE (When Data Enl' 



