TM No. 377 

 CONTENTS (continued) 



Pa se 



Computation Formulas for Computer Processing 



Procurement of Statistical and Physical Parameters 62 



Vector Representation 62 



Var iance 63 



Linear Correlation Coefficient .................................. 63 



Miscellaneous Data Analysis 6k 



Histogram Construction 6k 



Progressive Vector Diagram Calculation. 6k 



Sources of Error Introduction 6k 



Data Edit ing 65 



Data Tape Reading 66 



Bias ing Errors 68 



Errors in Bookkeeping 70 



CHAPTER IV. FIELD OBSERVATIONS .......... ......................... 71 



Preliminary Wave Measurements in Narragansett Bay. 72 



BBELS as a Platform for Open Ocean Measurements 7I+ 



Gross Environmental Studies Made at BBELS ........................... 76 



Tidal and Non-Tidal Current Observations .......................... 77 



Temperature Data 8 S 



Wind Measurements 



Wave Meter Observations 88 



Methods of Making Measurements 88 



Data Presentation 91 



Wave Staff System Observations ...................................... 92 



CHAPTER V. RESULTS AND DISCUSSION. ................................... 95 



Velocity Data. 95 



General Characteristics 



Variances of the Observed Wave Motions 97 



Distributions of Wave Velocity Samples ............................ 102 



Velocity Auto -Covar iance Spectra. 105 



Auto -Spectra of Off -Angle Wave Measurements ....................... 109 



Comparison of the Auto-Spectra of Wave Motions with Those of Free 



Surface Oscillations Ill 



Vertical Distribution of Wave Energy 112 



BBELS -5 Observations 113 



BBELS-7 Observations .................. 11 5 



BBELS-11 Observations 116 



BBELS-lU Observations 116 



Comparison of Kinetic and Potential Wave Energy. .................. 118 



Short Term Changes in Wave Energy 12 5 



Wind Wave Build-up 125 



Wave Energy During Changing Wind Conditions ....................... 127 



Equilibrium Range of Wave Spectra ................................... 130 



Reynolds Stresses in Ocean Waves 135 



Covariances and Cross -Spectra of Wave Motions ....................... 138 



vii 



