Sebastiaan van de Velde

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Lecturer

University of Otago

New Zealand

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About

Sebastiaan van de Velde is a Lecturer at the University of Otago, New Zealand. His research focuses on marine environmental sciences, with recent publications addressing topics such as mobile bottom-contact fishing, ocean alkalinity destruction, and bioturbation effects in marine ecosystems. He investigates the implications of anthropogenic disturbances on carbon sequestration and nutrient dynamics in coastal and sedimentary systems.

Recent Grants

Grant: Close

Biogeochemical modelling of the Precambrian ocean

Open Date: 2018-10-01

Close Date: 2019-09-01

Grant: Close

Impact of electrogenic sulfur oxidation on trace metal cycling in coastal sediments.

Open Date: 2014-10-01

Close Date: 2016-09-01

Articles (13)

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2025

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2024

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2023

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2021

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2020

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2020

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2020

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2020

Collaborators (5)

Mats Eriksson

Senior Associate Professor

Linköping University

SWEDEN

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Filip Meysman

Delft University of Technology

NETHERLANDS

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Jeanine Geelhoed

University of Antwerp

BELGIUM

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Silvia Hidalgo Martinez

University of Antwerp

BELGIUM

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Alison Cribb

University of Southampton

UNITED KINGDOM

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Sebastiaan van de Velde

Research Interests

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About

Recent Grants

Articles (13)

Reconciling the impact of mobile bottom-contact fishing on marine organic carbon sequestration

Ocean alkalinity destruction by anthropogenic seafloor disturbances generates a hidden CO 2 emission

Cable bacteria delay euxinia and modulate phosphorus release in coastal hypoxic systems

Ediacaran–Cambrian bioturbation did not extensively oxygenate sediments in shallow marine ecosystems

Exceptionally high respiration rates in the reactive surface layer of sediments underlying oxygen-deficient bottom waters

Bioturbation and the δ 56 Fe signature of dissolved iron fluxes from marine sediments

Bioturbation has a limited effect on phosphorus burial in salt marsh sediments

Iron and sulfur cycling in the cGENIE.muffin Earth system model (v0.9.21)

Deep-water inflow event increases sedimentary phosphorus release on a multi-year scale

Burrowing fauna mediate alternative stable states in the redox cycling of salt marsh sediments

Bistability in the redox chemistry of sediments and oceans

Quantification of Cable Bacteria in Marine Sediments via qPCR.

Elevated sedimentary removal of Fe, Mn, and trace elements following a transient oxygenation event in the Eastern Gotland Basin, central Baltic Sea

Collaborators (5)

Mats Eriksson

Filip Meysman

Jeanine Geelhoed

Silvia Hidalgo Martinez

Alison Cribb

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