^ 



DEPTH 

 VALUE 



\ 



\ 



DER VAR. 1ST. PASS 

 OF CUBIC SPLINE 



-^ + f 



FINAL PROFILE VALUES FROM 

 2ND. PASS OF CUBIC SPLINE 

 AT 1 MERIDIONAL PART INTERVALS 



\ 



INDER VAR. 2ND. PASS 

 OF CUBIC SPLINE 



INTER. VALUES 1ST. PASS 



OF CUBIC SPLINE 



DER VAR. ON 2ND. PASS 



> 



INDER VAR. 1ST PASS 

 OF CUBIC SPLINE 



^ 



5' CELL 



-ORIGIN 



FIGURE 16. PROFILE EXTRACTION FROM GRIDDED DATA BASE 



30 



