Sea Level Rise

Reimplementation of an old idea to show the impact of sealevel on the population. Combines population density. with an elevation map to show how many people are at risk given a certain amount of sealevel rise.

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Click on the thumb-nails to see what the world map looks like given a certain amount of sealevel rise. The color intensity shows population density, so it gets you an idea of how many people are at risk given a certain value. You can zoom using the mouse wheel and drag the map around.

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Current state

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2 m rise - 177 million at risk

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5 m rise - 374 million at risk

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10 m rise - 785 million at risk

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25 m rise - 1481 million at risk

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50 m rise - 2200 million at risk

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100 m rise - 3093 million at risk

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200 m rise - 4158 million at risk

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500 m rise - 5768 million at risk



Sources: Elevation data is adapted from Mapbox. Population data comes from Gridded Population of the World. Zooming is done using Panzoom.