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Carbon sequestration in mangroves

13 juni 2016 - 31 juli 2020
Florida, Verenigde Staten

Mangrove forests cover large parts of the tropical coasts where they sequester substantial amounts of carbon (Blue carbon). This high net sequestration rate is of special importance for oceanic mangrove systems, as the build-up of peat is essential to avoid inundation due to sea level rise. Mangroves are being exposed to increasing quantities of external nutrients and labile organic compounds from agricultural runoff and wastewater. This research studied how ongoing eutrophication of mangroves could modify the carbon sequestration potential. Results…

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Why is New Orleans sinking?

13 juni 2016 - 31 juli 2020
New Orleans, New Orleans, Verenigde Staten

After Katrina (2005) much attention was paid to the origins of this disaster. Studies mostly focussed on levee failures, disaster management, meteorology, wetland development, etc. Land subsidence, the main reason why New Orleans can have flood waters of several meters depth, got much less attention. This project quantifies the amount of subsidence as a result of soil oxidation, which is a main contributor to total subsidence. Such information supports developing management strategies to slow down subsidence for a safer future…

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Polder management for sustainable livelihoods in Bangladesh

13 juni 2016 - 31 juli 2020

Sediments provide a high potential for a Building with Nature approach. This project builds on this notion and seeks to explore the potential of Living Polders in Bangladesh, that accrete along with rising water levels following sea level rise and subsidence. The project offers comprehension of integrated, coevolving physical and institutional processes across delta- and polder scales. Subsequently, it provides pathways to optimization through a Decision Support System for dynamic polder management and associated business cases. Project outcomes are evaluated…

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Rise and Fall

13 juni 2016 - 31 juli 2020

Many deltas worldwide are at risk of drowning, due to sea-level rise and land subsidence. Especially peat soils, that often occur in deltas, are prone to land subsidence due to compaction and oxidation of peat. In this research, geographers and biologists work together to investigate the present status and future potential for peat compaction and oxidation, in the organic-clastic subsurface of built-up areas.

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Strategies for subsiding Jakarta

13 juni 2016 - 31 juli 2020

Northern Jakarta is subsiding. In a few decades from now, it may have fallen an additional 3-5 metres below mean sea level. Unless action is taken, there will be more frequent and prolonged flooding. Until now, little has been achieved in terms of slowing subsidence in North Jakarta.This project aims at helping Jakarta by: (1) Inviting international researchers to discuss the exact causes of subsidence, (2) Setting-up a database with subsurface and geotechnical information, (3) Making improved subsidence predictions in…

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