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Dune Foot indicator along the Dutch coast is available from 1843 until today (2014). Data in the range 1843-1964 relies on 1843-1998 Rijkswaterstaat dataset. Remaining data (in the range 1965-...) relies on the Jarkus profiles dataset. Different Dune Foot definitions are available from literature. Two of them are contained in the DF dataset:
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