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Lost Material Stock in Buildings due to Sea Level Rise from Global Warming: The Case of Fiji Islands

Merschroth, Simon and Miatto, Alessio and Weyand, Steffi and Tanikawa, Hiroki and Schebek, Liselotte (2020):
Lost Material Stock in Buildings due to Sea Level Rise from Global Warming: The Case of Fiji Islands.
In: Sustainability, 12, (3), MDPI, e-ISSN 2071-1050,
DOI: 10.25534/tuprints-00011571,
[Online-Edition: https://doi.org/10.3390/su12030834],
Secondary publishing via sponsored Golden Open Access, [Article]

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Item Type: Article
Origin: Secondary publishing via sponsored Golden Open Access
Title: Lost Material Stock in Buildings due to Sea Level Rise from Global Warming: The Case of Fiji Islands
Language: English
Abstract:

This study developed a methodology to estimate the amount of construction material in coastal buildings which are lost due to climate change-induced sea level rise. The Republic of Fiji was chosen as a case study; sea level rise is based on predictions by the Intergovernmental Panel on Climate Change for the years 2050 and 2100. This study combines the concept of a geographic information system based digital inundation analysis with the concept of a material stock analysis. The findings show that about 4.5% of all existing buildings on Fiji will be inundated by 2050 because of an expected global sea level rise of 0.22 m (scenario 1) and 6.2% by 2100 for a sea level rise of 0.63 m (scenario 2). The number of buildings inundated by 2050 is equivalent to 40% of the average number of new constructed buildings in Fiji Islands in a single year. Overall, the amount of materials present in buildings which will be inundated by 2050 is 900,000 metric tons (815,650 metric tons of concrete, 52,100 metric tons of timber, and 31,680 metric tons of steel). By 2100, this amount is expected to grow to 1,151,000 metric tons (1,130,160 metric tons of concrete, 69,760 metric tons of timber, and 51,320 metric tons of steel). The results shall contribute in enhancing urban planning, climate change adaptation strategies, and the estimation of future demolition flows in small island developing states.

Journal or Publication Title: Sustainability
Journal volume: 12
Number: 3
Publisher: MDPI
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute IWAR > Material Flow Management and Resource Economy
Date Deposited: 24 Mar 2020 08:34
Last Modified: 24 Mar 2020 08:34
DOI: 10.25534/tuprints-00011571
Official URL: https://doi.org/10.3390/su12030834
URN: urn:nbn:de:tuda-tuprints-115717
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/11571
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