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‘Mansion Global’ host Katrina Campins at Citadel reveals her plans for her headquarters and the growth Miami, Florida has experienced over the years.
Miami’s barrier islands are home to many luxury high-rise buildings and, according to a study Recently published in Earth and Space Science, about three dozen are sinking.
Thirty-five luxury condominiums and hotels in Sunny Isles Beach, Surfside, Miami Beach and Bal Harbor have faced subsidence in recent years, according to the study.
It was written by researchers from the University of Miami, Florida Atlantic University, the University of Houston, the University of Hannover in Germany, the GFZ German Research Center for Geosciences, and the California Institute of Technology.
The Porsche Design Tower (C) is located in Sunny Isles Beach. (GIORGIO VIERA/AFP via Getty Images/Getty Images)
It involved reviewing interferometric synthetic aperture radar data.
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According to the researchers, the subsidence of the skyscrapers amounted to between 2 and 8 centimeters over a period of several years, from 2016 to 2023.
The skyscrapers are expected to see “up to several tens of centimeters” of settlement “during and immediately after construction,” the University of Miami’s Rosenstiel School said in a Friday post on its website.
According to the study, builders built the “majority” of the affected condos and hotels after 2014.
In an aerial view, the Miami city skyline where many tenants reside in the apartment buildings on September 29, 2021 in Miami, Florida. (Joe Raedle/Getty Images/Getty Images)
“We found that subsidence in most skyscrapers slows down over time, but in some cases continues at a constant rate. This suggests that subsidence could persist for a long period,” said lead author Falk Amelung.
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The study’s authors had some theories about what was behind the sinking, based on their research.
The subsidence “is primarily due to the gradual reconfiguration of sand grains into denser packing within sandy layers interbedded in the limestone” in the area, according to the study.
According to the study, researchers hypothesized a relationship between construction-related vibrations or groundwater flow and subsidence. Other things like daily tidal flow and stormwater injection could also have influenced the phenomenon.
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“The discovery of the extent of subsidence hotspots along the South Florida coast was unexpected. The study underscores the need for continued monitoring and a deeper understanding of the long-term implications for these structures,” said lead author Farzaneh Aziz Zanjani.
The white sands and turquoise ocean of beautiful Miami Beach, Florida, taken from an altitude of approximately 500 feet during a helicopter photography flight. (Stock/iStock)
Miami-Dade County overall had a population of nearly 2.7 million people as of July 2023, according to the U.S. Census Bureau.
More than 27.2 million people visited the area last year, according to the Greater Miami Convention and Visitors Bureau.
