CONTENTS 



TABLES --Continued 



Page 

 8 Summary of Pentwater hydraulic characteristics for selected 



inlet depths 63 



FIGURES 



1 Inlet -bay system 14 



2 Amplification and phase lag for inlet-bay systems 15 



3 Three predicted longitudinal modes of oscillation of 



Lake Michigan 17 



4 Pentwater response to sinusoidal wave in Lake Michigan. ... 21 



5 Response to long wave excitation at Pentwater 22 



6 Numerical model water level predictions at Pentwater 24 



7 Inlet study sites ". 25 



8 Data collection sites on Lake Michigan 28 



9 Data collection sites on Lake Superior 29 



10 Data collection site on Lake Erie, Presque Isle, 



Pennsylvania 30 



11 Data collection sites on Lake Ontario 31 



12 Sample spectra of Pentwater bay water levels 36 



13 Measured and predicted inlet velocity cumulative frequency 



distributions at Pentwater, Michigan 37 



14 Pentwater response to long wave forcing 40 



15 Toronto response to long wave forcing 41 



16 Predicted response of inlet-bay systems on Lake Michigan 



to monochromatic forcing 44 



17 Predicted response of inlet-bay systems on Lake Superior 



to monochromatic forcing 45 



18 Predicted response of inlet-bay systems on Lakes Erie 



and Ontario to monochromatic forcing 46 



