Guide CCMA: Frequently Asked Questions

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4. Why is there so much difference in areas such as East Beach and Seaton Hole between the CCMA data and existing studies?

Aside from the differing (worse/likely) case scenarios and buffer zone, there is a fundamental difference in the way the data has been collected and analysed. The CMMA method is designed to be the same method wherever it is used on the UK coastline, therefore it only uses recent historical data (as this is available nationwide)  The existing studies at East Beach and Seaton Hole use historic data from the last 100 years including mapping and aerial photography studies, which were not included in the CCMA.