Main Page | See live article | Alphabetical index In earth science a submergent coastline is a coastline which has experienced a rise in sea level, either due to a global sea level change, or local subsidence. Submergent coastlines are identifiable by their submerged, or "drowned" landforms, such as rias (drowned valleys) and fjords. The Baltic coastline, Chesapeake Bay and southern England are famous submergent coastlines. This article is a stub. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.