▁tr ends ▁continue , ▁Gast ine au ▁Channel ▁may ▁eventually ▁become ▁dry ▁or ▁un n avig able ▁or ▁both . ▁ ▁During ▁is ost atic ▁re bound , ▁the ▁Earth ' s ▁l ith os phere ▁( cr ust ) ▁is ▁slowly ▁rising ▁because ▁of ▁bu oy ant ▁forces , ▁following ▁the ▁removal ▁of ▁a ▁large ▁mass ▁on ▁the ▁surface . ▁That can ▁be ▁li ken ed ▁to ▁an ▁ice ▁cube ▁floating ▁in ▁a ▁glass ▁of ▁water ▁with ▁a ▁pen ny ▁sitting ▁on ▁top . ▁ ▁The ▁weight ▁of ▁the ▁pen ny ▁makes ▁the ▁ice ▁cube ▁float ▁lower , ▁similar ▁to ▁the ▁immense ▁weight ▁of ▁a ▁gla cier ▁on ▁top ▁of ▁the ▁l ith os phere . ▁When ▁the ▁pen ny ▁( g la cier ) ▁is ▁removed , ▁the ▁ice ▁cube ▁( l ith os phere ) ▁" reb ounds " ▁and ▁flo ats ▁slightly ▁higher . ▁In ▁the ▁ge olog ic ▁case , ▁that ▁scenario ▁happens ▁very ▁slowly . ▁ ▁R ates ▁of ▁is ost atic ▁re bound ▁throughout ▁SE ▁Al aska ▁vary ▁from ▁ 0 . 1 ▁to ▁ 1 . 5 ▁inches / year ▁depending ▁on ▁gla cial ▁history . ▁The ▁approximate ▁re bound ▁rate ▁in ▁the ▁June au ▁area ▁is ▁ 0 . 2 5 ▁to ▁ 0 . 5 ▁inches / year . ▁ ▁References ▁ ▁Category : B od ies ▁of ▁water ▁of ▁June au , ▁Al aska ▁Category : St ra its ▁of ▁Al aska ▁Category : St ra its ▁of ▁the ▁Pacific ▁Ocean <0x0A>