Global sea level rise began around the start of the 20th century.
43+ World Map Sea Level Rise 10 Meters US. We're talking about sea levels rising 100m. You're proposing a skyscraper sized dam to hold back the ocean.
National oceanic and atmospheric administration. Global warmin and sea levele rise are the effects of climate change. Above that, it's also a good way to visualise earth's topography.
In fact, maps with sea level projections for 2030, 2060, and 2100.
It can help to perform elevation analysis of an area for any purpose the elevation layered on the map is in meters and is from sea level. The first few metres can help visualise the potential effects of localised flooding and perhaps global warming. Sea level rise and coastal flooding impacts. We're talking about sea levels rising 100m.