w 



Profile Line 

 1 

 Sfrothmere f^2 



3 VGroins 



Sea Isle 

 City 



Miles / I 



50 100 50 100 50 100 

 From South Shore- Normal From North 



Wove Approoch Direction (Pet of Time) 

 Legend Wove A p prooch 

 ^^^ On Longshore Bar 



^^ On Beach 



^^P On Beach ond on Longshore Bor 



Figure 51. Wave approach direction on longshore bars and on the beach, 

 obtained from an analysis of the 20 aerial photo sets of 

 Ludlam Beach. Note the greater part of the waves which are 

 oriented north of shore normal where they break on the long- 

 shore bars. 



may provide qualitative information on longshore transport variability. As 

 noted previously, they mostly represent conditions which existed each spring. 



9. Outcrops of Organics . 



Highly compacted organic material, often including silt- and mud-sized 

 inorganic particles, was frequently observed outcropping on Ludlam Beach. 

 These outcrops were usually exposed in the coastal indentation between the 

 southernmost Strathmere groin and the northern part of the Sea Isle City groin 

 system (Fig. 52) . 



An analysis to determine the location of such outcrops was made using 

 aerial photos obtained on 8 March 1962 during the waning stages of the 6 to 8 

 March storm. This date was selected because the shoreline position analysis 

 indicated the coast had retreated a large amount in a short time as a result 

 of the storm. Thus, the exposure of outcropping organics was probably greatest 

 at that time. Aerial photos taken on other dates exhibited considerably less 

 exposure of organics. 



64 



