[Ráfaga] #2071: floods, population, bathymetry

Jorge Sanz xurxosanz at gmail.com
Wed May 24 02:30:44 PDT 2023

#2071: floods, population, bathymetry

Wed, 24 May 2023 by Raf

* New York City faces an accelerated flood risk from rising sea levels
as well as subsidence caused by the urban load that skyscrapers add to
clay-rich soils


* World population density map update with new, higher-resolution GHSL
2023 dataset provides accurate density map and highlights settlement
patterns around the world


* Satellite-derived bathymetry (SDB) with Sentinel-2A/B imagery
retrieves depths down to 14 m with an average bias of 0.02 m and an
average absolute error of 0.71 m compared to echosounder data multi



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