Author(s):
Lisa Lock
Robert Egan
Major cities worldwide are sinking, satellite data reveal
Source(s):
Phys.org
[...]
Shengli Tao, Xie Hu and colleagues analyzed high-resolution satellite data collected between 2014 and 2023 to measure land movement across 465 cities in 107 countries.
[...]
At a regional level, the most severe sinking rates were found in Asia, with Medan (approximately 33 mm per year (1.3 inches per year)), Bandung, Indonesia (22 mm per year (0.9 inches per year)), and Isfahan, Iran (11 mm per year (0.4 inches per year)) experiencing the highest citywide median sinking rates.
[...]
The authors caution that the nine-year study focused on relative local land subsidence of large cities, may exclude areas beyond administrative boundaries and has greater uncertainty where ground-station coverage is sparse.
[...]
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