Table A3. Barrier width for each unit along 



the Nauset Spit system, 1851 to 1978. 



Area 



Degree 

 width 



1851, 1856, 

 1868 



1886 



1938 



1952 



1978 







(31) 



Ca) 



(a) 



(a) 



(a) 



Nauset Spit- x ' 337 



Easthatn x ! 4 30 



Bin 105 



tsax 623 



446 



68 



1196 



505 

 220 

 675 



Nauset Spit 



X 



Orleans 



oln 





max 



Old North 



x 



Beach 



tnln 





aax 



New North 



x 



Beach 



mln 



1 



223 



291 



293 





379 



338 



293 





99 



99 



112 





551 



511 



468 







90 



132 







63 



85 







112 



loO 



450 



404 



403 



397 



173 



169 



121 



85 



1177 



991 



1030 



997 



153 



626 



445 



279 



43 



446 



180 



74 



291 



802 



672 



790 



1 Includes the entire length of Nauset Splt-Eastham. 

 'There are no 1886 aaps available for Nauset Spit-Easthan. 

 J For cooparlson, includes only the section of Nauset Spit- 

 Easthan north of the 1978 inlet. 



Table 44. Location of changes in total bar- 

 rier area calculated from serial 

 map overlays, Nauset Spit-Ea3thana. 



Year 





Bay shoreline 

 Loss Gain 



Ocean 



.front 



Spit te 

 Loss 



rminus 





Loss 



Cain 



Cain 







(ha) 



(ha) 



(ha) 



(ha) 



(ha) 



(ha) 



185o to 



1938 



3.0 



13.8 



36.7 



0.0 



0.0 



0.0 



1938 to 



1952 



5.7 



2.9 



3.0 



0.0 



22.7 



0.0 



1952 CO 



1978 



3.2 



1.7 



7.8 



0.0 



12.6 



2.1 



1856 to 



1978 



11.9 



18.4 



»7.5 



0.0 



45.3 



2.1 



Net 1 







6.5 



47.5 





33.2 





'Net loss for entire section - 74.2 hectares. 



Table 45 • Area of barrier environments, Nauset Sp it-East hsm. 



Year Dunes Washovers Marshes Sandy Total 



shorelines supra tidal 

 environajents 

 (ha) (pet) 1 'ha) (pet) (ha) (pet) (ha) (pet) (ha) (pet) 



1856 



75. 1- 





75. 1* 





57.0 





20.7 





152.8 





1938 



50.2 





10.4 





51.9 



-9 



20.7 







133.2 



-13 



1952 



35.7 



-29 



7.8 



-25 



44.2 



-8 



15.5 



-25 



98.7 



-26 



1978 



13.8 



-61 



26.9 



+245 



32.3 



-27 



5.9 



-62 



78.9 



-20 



Overall 





-73 3 





+ 159 3 





-43 





-71 





-48 



change 























1 Increase or decrease in hectare change. 



^The 1856 map does not differentiate between dunes and washovers 



3 1938 to 1978. 



171 



vl. 



• \ .') • ;; /,' ; v../- //' 



