Sea level is a sensitive indicator of climate change, both in the modern world and across geological time. In this regard, all processes that contribute to observed sea-level changes, whether on plate tectonic time scales of millions of years, ice age time scales of thousands of years, or decadal time scales associated with recent global climate change, have distinct geometric signatures. Thus, insight into the underlying processes responsible for sea level change is fundamentally deepened when analyses move beyond simple global averages to consider the detailed geographic variation in geological or geodetic observations. In this talk I will consider examples of this insight from across a broad spectrum of time scales, but I will focus, in particular, on the fingerprints of sea level change in our progressively warming world.

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