The subsidence of a sedimentary basin is due to: tectonic subsidence, water and sediment loading, and sediment compaction. These three components can be estimated from a stratigraphic section using "backstripping" (Allen and Allen, 1990). This removes from each sedimentary layer the effects of sediment compaction and water and sediment loading; thus extracting from the section the tectonic subsidence curve. Backstrip (previously OSXBackstrip) is a program to perform "1D Airy backstripping with exponential porosity reduction". Stratigraphic units can be input in a table, and backstripping and tectonic subsidence plots and tables can be produced. Plots can be edited or saved for publication. Multiple documents (stratigraphic sections) can be backstripped and compared.
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