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Tag: J. Besl

Coastlines Around the World Are Losing Sediment – EOS

Just to the northeast of this image, the Yukon River empties into the Bering Sea and brings a large quantity of suspended sediment with it (courtesy of NASA - image was collected on June 13, 2018 by Landsat 8).

A new tool maps coastal sediments on the basis of water color. It shows that 75% of the world’s coastlines may be losing suspended sediment.

Coastal Flooding Will Be More Extensive Sooner than Scientists Thought – Hakai Magazine

Examples of eight deltas that could potentially be largely flooded with 1 m of SLR, and almost entirely at 2 m SLR. Indicated is the area below mean sea level (MSL) currently (SLR = 0 m) and with 1, 2, or 4 m of SLR. (a) Indus, (b) Tigris, (c) Nile, (d) Mississippi, (e) Ganges, (f) Niger, (g) Chao Phraya, and (h) Mekong (from research paper: New LiDAR-Based Elevation Model Shows Greatest Increase in Global Coastal Exposure to Flooding to Be Caused by Early-Stage Sea-Level Rise by Ronald Vernimmen and Aljosja Hooijer, Open Access, via AGU journal).

Updated, more accurate data gives a new look at the effects of sea level rise.
Around the world, communities are bracing for sea level rise: the Netherlands is stabilizing its dikes, Senegal is relocating neighborhoods, Indonesia is moving its entire capital city. These projects are hefty, expensive, and slow…

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