13 



180 



LONGITUDE (deg) 

 120 60 60 120 



Fig. 2.3. Characteristics of Tide Gage Data by 30° Longitude and Latitude 

 Sectors. The Lower Values Represent the Number of Tide Gages 

 in Each Sector. The Upper (Signed) Numbers Represent the 

 Linear Long-Term Relative Sea Level Change Resulting from 

 Those Gages (reprinted with permission from Pirazzoli, 1986). 



