Methodology:
Data Collection
wData on each beach is acquired from a range of interrelated sources:
nField Survey  – Professor Short.
nImagery – Coastal Geology Group
nGIS layers
l– City and County
n of Honolulu
nGIS layers
l– State of Hawaii
nBeach conditions
n – Hawaiian
n Lifeguard
n Association
beach conditions (produced on a daily basis by patrolling lifeguards filling in beach maps)