SECKEL and YONG: SEA-SURFACE TEMPERATURES AND SALINITIES 



APPENDIX C 



^ Sea-surface temperatures, Christmas Island, 1970-73: Phase angles and coefficients for harmonic 

 functions for each quarter of the year. 



Days 1 to 120 = First quarter, 

 91 to 210 = Second quarter. 

 181 to 300 = Third quarter, 

 271 to 390 = Fourth quarter, extending 25 days into new year, 



k 



S = K + bt+ 2, C n cos co \nt - «„>, 



co = ^ days K 



t is the time in days beginning with the first day of each quarter. 



PHASE ANGLES IN OA V S 



19" 



1971 



1972 



1973 



AMPL I TUOES 



197? 



1971 



1972 



1973 



783 



