CONTENTS 



Page 



Introduction 1 



Source and distribution of the data 1 



Initial data processing and chart preparation 2 



Marine environmental variable and heat exchange summaries 2 



Heat exchange computations 3 



Preparation of the heat exchange charts 4 



Charts prepared from the heat exchange computations 4 



Monthly average and anomaly charts 4 



Long-term mean or normal charts 4 



Seasonal variation of the normal total heat exchange 6 



Evaluation of charts 8 



Acknowledgments 11 



Literature cited 11 



Charts: 



Part 1 . Total (net) heat flux monthly averages and anomalies January 1961 to De- 

 cember 1971 13 



Part 2. Total (net) heat flux 1961-71 mean monthly values (normals) 79 



Part 3. Net incoming radiation 1961-71 mean monthly values (normals) 85 



Pail 4. Effective back radiation 1961-71 mean monthly values (normals) 91 



Pail 5. Evaporative heat flux 1961-71 mean monthly values (normals) 97 



Part 6. Sensible heat flux 1961-71 mean monthly values (normals) 103 



Figures 



la. Average number of observations per month during winter seasons for 1961-71 .... 2 



lb. Average number of observations per month during summer seasons for 1961-71 . . 3 



2. Comparison of total heat transfer values (cal/cm-/day) taken from Seckel (hori- 

 zontal axis) and this report (vertical axis). Each of the 24 monthly values for the 

 period July 1963 to June 1965 was averaged over the region lat. 20'" to 35°N and 

 long. 130° to 170°W 11 



Table 



1. Mean difference (upper value) and RMS difference (in parenthesis) of Q, in 



cal/cm'/day for 5° quadrangles 10 



Plates 



1. Seasonal variation of average monthly total heat exchange, Q,. by 5° quadrangles 



from lat. 20° to 50°N in the meridional strip long. 175°W to the 180'' meridian. Q^ is 



the average annual total heat exchange 5 



2. Seasonal variation of average monthly total heat exchange. Q^, by 5° quadrangles 



from lat. 20° to 50°N in the meridional strip long. 150° to 155°W. Q, is the 

 average annual total heat exchange ^^ 6 



3. Seasonal variation of average monthly total heat exchange, Q,, by 5° quadrangles 



from lat. 20° to 50°N in the meridional strip long. 130° to 135°W. Q, is the 

 average annual total heat exchange ._^ 7 



4. Seasonal variation of average monthly total heat exchange, Q,, in coastal regions 



from northern Gulf of Alaska to Washington. Qj is the average annual 



total heat exchange ._^ 8 



5. Seasonal variation of average monthly total heat exchange, Q,, in coastal regions 



from Oregon to Baja California. Q, is the average annual total 



heat exchange 9 



ni 



