Coastal emergence is a geomorphological topic concerning the relative rise of land or fall of sea level that causes formerly submerged coastal areas to become exposed and incorporated into the subaerial landscape. It typically results from glacio‑isostatic rebound, tectonic uplift, or eustatic sea‑level fall, and is documented by raised shorelines, marine terraces, beach ridges, and emergent wave‑cut platforms. Coastal emergence influences sedimentary facies distribution, coastal stratigraphy, and habitat migration, and is quantified using relative sea‑level curves, geodetic measurements, and dating of geomorphic markers to reconstruct vertical land motion and past sea‑level changes.
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