a. Sea Level change 1933 to 1996 



0.56 ft (0.17 m) 



b. Datums at Shinnecock Inlet 1996 



1.10ft 



NGVD 1.26 ft 



MLW0.16 ft 

 MLLW 0.0 ft 



c. Conversion 1933 Hydrographic Data to Modern NGVD 



Total correction: 

 1.66 ft 



NGVD 1996 



MLW 1996 

 MLW 1933 



Figure C1 . Conversion of 1 933 hydrographic data to NGVD at Shinnecock Inlet 



C2 Appendix C Adjustment of 1933 Hydrographic Data 



