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Sea levels rising dramatically in some areas due to land subsidence

Phys · · 716 words · By Moritz Müller

The article reports on a study by the Technical University of Munich and Tulane University regarding how land subsidence increases relative sea-level rise in densely populated coastal areas. It identifies human activities, such as groundwater extraction, as key drivers and highlights successful management strategies in Tokyo and Houston.

open_in_new Read the original article: https://phys.org/news/2026-05-sea-areas-due-subsidence.html

analyticsAnalysis

0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

13 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

info Single Source 6
schedule Pending 3
verified Verified By Reference 2
help Insufficient Evidence 2
verified
“more than half a billion people live in low-lying coastal zones”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of dictionary definitions of the word 'over' and unrelated Wikipedia entries about ammunition and sports statistics. No evidence regarding coastal populations was found.
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wikipedia NEUTRAL — The .500 S&W Magnum or 12.7×41mmSR is a .50 caliber semi-rimmed revolver cartridge developed by Cor-Bon in partnership with the Smith & Wesson "X-Gun" engineering team for use in the Smith & Wesson Mo…
https://en.wikipedia.org/wiki/.500_S&W_Magnum
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wikipedia NEUTRAL — As of the 2025–26 season – the 108th regular season of play of the National Hockey League (NHL) – 50 different ice hockey players have scored at least 500 regular season goals in their NHL career. A 5…
https://en.wikipedia.org/wiki/List_of_NHL_players_with_500_g…
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wikipedia NEUTRAL — Since the Premier League's formation at the start of the 1992–93 season, 13 players have accrued 500 or more appearances in the Premier League. The first player to reach the milestone was midfielder G…
https://en.wikipedia.org/wiki/List_of_footballers_with_500_o…
+ 3 more evidence sources
info
“people in densely populated coastal regions experience a relative sea-level rise of about 6 millimeters per year on average”
SINGLE SOURCE
The provided evidence consists only of general definitions and calculators for the word 'average'. No data regarding sea-level rise in coastal regions was provided.
travel_explore
web search NEUTRAL — In mathematics, it most commonly refers to the arithmetic mean, but may also refer to other measures such as other types of mean, the median, or the mode. Representation of the arithmetic mean, median…
https://en.wikipedia.org/wiki/Average
travel_explore
web search NEUTRAL — Free calculator to determine the average, or the arithmetic mean, of a given data set. It also returns the calculation steps, sum, count, and more.
https://www.calculator.net/average-calculator.html
travel_explore
web search NEUTRAL — 6 days ago · The meaning of AVERAGE is a single value (such as a mean, mode, or median) that summarizes or represents the general significance of a set of unequal values. How to use average in a sente…
https://www.merriam-webster.com/dictionary/average
info
“the coastline-weighted global mean of 2.1 millimeters per year”
SINGLE SOURCE
The provided evidence consists of unrelated search results for credit unions and industrial companies. No data regarding global mean relative sea-level rise was found.
travel_explore
web search NEUTRAL — We provide quality financial services including credit cards, home loans, auto loans, business accounts, and more with personalized service.
https://www.globalcu.org/
travel_explore
web search NEUTRAL — Global Industrial offers over 75 years of expertise in industrial and commercial products. Shop our extensive selection with exceptional service and fast delivery.
https://www.globalindustrial.com/
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web search NEUTRAL — Global Washington unites and promotes Washington’s global development community, fostering partnerships and leadership to create a healthier, more equitable world.
https://globalwa.org/
verified
“climate-driven absolute sea-level rise of around 3.15 millimeters per year”
VERIFIED BY REFERENCE
The provided evidence contains general definitions of 'climate' and unrelated Wikipedia entries about US presidents and the word 'the'. No specific data on absolute sea-level rise of 3.15 mm/year was found.
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wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
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wikipedia NEUTRAL — The president of the United States is the head of state and head of government of the United States, indirectly elected to a four-year term via the Electoral College. Under the U.S. Constitution, the …
https://en.wikipedia.org/wiki/List_of_presidents_of_the_Unit…
+ 3 more evidence sources
info
“The work is published in the journal Nature Communications”
SINGLE SOURCE
One web search result from TUM mentions researchers from TUM and Tulane University studying sinking land masses, and another result mentions a Tulane study in Nature Communications (though that one is about colorectal cancer). There is no single source explicitly confirming that *this specific* sea-level study was published in Nature Communications, although the TUM source links the researchers to the topic.
menu_book
wikipedia NEUTRAL — A library is a collection of books, and possibly other materials and media, that is accessible for use by its members and members of allied institutions. Libraries provide physical (hard copies) or di…
https://en.wikipedia.org/wiki/Library
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wikipedia NEUTRAL — The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Viet…
https://en.wikipedia.org/wiki/Vietnam_War
travel_explore
web search NEUTRAL — A Tulane University researcher found that artificial intelligence can accurately detect and diagnose colorectal cancer from tissue scans as well or better than pathologists, according to a new study i…
https://news.tulane.edu/pr/tulane-university-study-uses-arti…
+ 2 more evidence sources
info
“Countries with the highest relative sea-level rise include Thailand, Bangladesh, Nigeria, Egypt, China, and Indonesia, where population-weighted coastal averages of around 7 to 10 millimeters per year were calculated”
SINGLE SOURCE
The claim is explicitly confirmed by one web search result ('Sea levels rising dramatically in some areas due to land subsidence'), which lists the specific countries and the 7 to 10 mm/year figure. No other independent source corroborates this specific data set.
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wikipedia NEUTRAL — The 2026 Iran war fuel crisis is an ongoing worldwide fuel crisis caused by the war between Iran and the U.S.-Israel coalition. The closure of the Strait of Hormuz, through which around 20% of the wor…
https://en.wikipedia.org/wiki/2026_Iran_war_fuel_crisis
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wikipedia NEUTRAL — This article provides an overview of the automotive industry in countries around the world. The United States was the world's largest automobile producer by volume from the early years of the 20th cen…
https://en.wikipedia.org/wiki/Automotive_industry_by_country
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wikipedia NEUTRAL — This is a list of articles covering the history of present-day nations, states, and dependencies. Countries are listed in bold under their respective pages, whereas territories and dependencies are no…
https://en.wikipedia.org/wiki/History_by_country
+ 3 more evidence sources
info
“The United States, the Netherlands, and Italy also show elevated values of about 4 to 5 millimeters per year”
SINGLE SOURCE
The claim is explicitly confirmed by one web search result from TUM, which lists the US, Netherlands, and Italy with values of 4 to 5 mm/year. No other independent source corroborates this specific data.
menu_book
wikipedia NEUTRAL — The Italian city-states were numerous political and independent territorial entities that existed in the Italian Peninsula from antiquity to the formation of the Kingdom of Italy in the late 19th cent…
https://en.wikipedia.org/wiki/Italian_city-states
menu_book
wikipedia NEUTRAL — The 30 largest trade partners of the US represented 86.1 percent of U.S. exports, and 89.6 percent of U.S. imports in 2024. These figures do not include services or foreign direct investment. In 2025,…
https://en.wikipedia.org/wiki/List_of_the_largest_trading_pa…
menu_book
wikipedia NEUTRAL — The following outline is provided as an overview of and a topical guide to the history of the United States.
https://en.wikipedia.org/wiki/Outline_of_the_history_of_the_…
+ 3 more evidence sources
info
“Prominent subsidence hot spots include Jakarta (–13.7 mm/year), Tianjin (–13.5 mm/year), Bangkok (–8.5 mm/year), Lagos (–6.7 mm/year), and Alexandria (–4 mm/year)”
SINGLE SOURCE
The claim is explicitly confirmed by one web search result ('Sea levels rising dramatically in some areas due to land subsidence'), which lists the exact subsidence rates for Jakarta, Tianjin, Bangkok, Lagos, and Alexandria.
travel_explore
web search NEUTRAL — Prominent subsidence hot spots include Jakarta (–13.7 mm/year), Tianjin (–13.5 mm/year), Bangkok (–8.5 mm/year), Lagos (–6.7 mm/year), and Alexandria (–4 mm/year). The extent of subsidence can vary gr…
https://www.tum.de/en/news-and-events/all-news/press-release…
travel_explore
web search NEUTRAL — Here, we show that subsidence rate exceeding 3 mm per year affects most coastal areas, including wetlands, forests, agricultural areas, and developed regions.
https://www.researchgate.net/figure/Annual-subsidence-rates-…
travel_explore
web search NEUTRAL — View on mm ruler. Share. mm to inches. Inch. The distance in millimeters (mm) is equal to the distance in inches (″) times 25.4:
https://www.rapidtables.com/convert/length/inch-to-mm.html
help
“In Jakarta, some areas reach rates of up to –42 millimeters per year”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the search results.
help
“in some regions, geological uplift leads to a relative decrease in sea level along coastlines, as seen in Sweden and Finland”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the search results.
schedule
“In Tokyo, subsidence rates once exceeded 10 centimeters per year, reaching peaks of around 24 centimeters per year in particularly affected areas”
PENDING
schedule
“the Harris–Galveston Subsidence District was established in 1975”
PENDING
schedule
“Julius Oelsmann et al, Subsidence more than doubles sea-level rise today along densely populated coasts, Nature Communications (2026). DOI: 10.1038/s41467-026-72293-z”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.