JUNEAU, ALASKA; STA 9452210 



4.7 

 4.6 

 4.5 

 4.4 

 4.3 

 4.2 

 4.1 

 4 

 3.9 



1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 



Figure 9. Yearly mean sea level changes at Juneau, AK, from 1936-1986. 

 The overall fall in sea level shows the effects of isostatic 

 rebound. Data from Lyles, Hickman, and Debaugh (1988) 



GALVESTON (PIER 21) TEXAS; STA 8771450 



0.9 



1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 



Figure 10. Yearly mean sea level changes at Galveston, TX, from 1908- 



1986. Subsidence of the land around Galveston may be caused 

 by groundwater withdrawal and compaction. Data from Lyles, 

 Hickman, and Debaugh (1988) 



Chapter 2 Secondary Sources of Coastal Information 



17 



