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MARUM Research Seminar

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MARUM Research Seminar 2026

Date Name Title
08.01. Ann Pearson Phytoplankton-mediated carbon isotope fractionation: Seeking a new approach to pCO2
15.01. Shane O’Reilly Lipid taphonomy in non-skeletal carbonates: implications for geobiology and palaeoenvironmental reconstruction using organic biomarkers
04.02. Michael Sarnthein Accurate age and origin of Heinrich Stadial 1 – Potential analog to modern trends
16.04. Claudia Agnini Tiny fossils, big climate change: how ocean life responded to the onset of Antarctic ice sheets ~34 million years ago
16.04. Bridget Wade Double blast from the past: Did large asteroid impacts in the late Eocene affect Earth's climate?

MARUM Research Seminar 2025

Date Name Title
06.02. Kryss Waldschläger Microplastics in Motion: Learning from natural sediment to understand microplastic pollution
17.04. Oliver Moore Organic carbon-mineral interactions in the marine system and its impact on global biogeochemical cycles
08.05. Jessica M. Labonté Diving into the Deep: Unraveling the Significance of Viruses in the Ocean
15.05. Lotta Ternieten A nano-scale perspective on a novel pathway for preserving hydrothermal ferrous iron
22.05. Guy Schleyer Lipid biomarkers for viral infection of marine phytoplankton
19.06. Nils Moosdorf Controls, contribution, and consequences of submarine groundwater discharge in the global ocean
17.07. Julio Sepúlveda Drivers of Lipid Remodeling in Marine Microbial Communities
21.08. Leila Mezri What might the seismic velocity signature of lithospheric alteration look like? Insights from geodynamic modelling
04.09. Thomas Ferrand Magmatic anomalies in oceanic domains: from laboratory experiments to natural laboratories
29.10. Anya Makushkina Mountains without tectonics: explaining the paradox of the Scandinavian highlands
13.11. Federico Agustin Vignale Microbial ecosystems in central Andes extreme environments: a window into early Earth microbial life
27.11. Andrew Curtis Natural sampling, aliasing, correlation and imaging of geochemical signals
27.11. Rachel Wood What triggered the Cambrian Explosion?
28.11. Itay Halevy Sedimentary Fe and S isotope records encode a complex suite of local to global processes
04.12. Lei Cheng Methanogenic degradation of crude oils: from biological discovery to geochemical indications
11.12. Samuel Pereira On the production and fate of volatile fatty acids in hydrothermal fluids

MARUM Research Seminar 2024

Date Name Title
12.02. Dominik Hülse Simulating Earth System Feedback's Over Time: The importance of organic matter cycling
26.02. Cecile Blanchet Into the mega-monsoon: Annual floods of the Nile River during the last African Humid Period
18.03. Maria Kanakidou Human driven changes in atmospheric deposition of nutrients to the marine ecosystems
25.03. Masanori Kaneko Organic Geochemical approach to investigate distribution and activities of methanogens in subsurface marine sediments
22.04. Sinikka T. Lennartz Making microbes part of the equation – modelling dissolved organic matter remineralisation in the ocean
29.04. Victoria Orphan Ecology of microbes and their viruses in deep-sea methane seeps
06.05. Muhammad Asif Suryani Scholarly Eco-system for Information Extraction and Research Data Management
13.05. Ricardo Ramalho Volcanic tsunamis: present knowledge and future challenges
01.07. Petra Zahajska A multi-proxy high-resolution approach to past eutrophication and anoxia
14.08. Bryce Mitsunaga High and low latitude controls on Plio-Pleistocene African vegetation and hydrology
26.08. Florian Neumann Heat Flow Variability in a Tectonically Active Basin: Insights from the Guaymas Basins, Gulf of California
30.09. Philipp Brandl Same same but different – Discovery of the Karambusel vents at Conical Seamount offshore Lihir, Papua New Guinea
07.10. Jody M. Webster The response of coral reef systems to sea level rise: how/why do reefs drown?
21.10. Morgan Raven Evaluating the potential for net-negative CO2 removal via biomass storage in anoxic marine basins
28.10. Sarah Paradis Vilar Quantifiying the Global Organic Carbon Budget in Marine Sediments
04.11. Eoghan P. Reeves Diverse styles of hydrothermalism on the ultraslow Arctic Mohns Ridge: the Fåvne, Ægir, Loki’s Castle, and Mohn’s Treasure vent fields
18.11. Martina Pierdomenico A geoscience perspective on transport mechanisms and global accumulation of marine litter in submarine canyon
16.12. Peter Stief Marine snow under pressure: Implications for carbon sequestration in the deep ocean

MARUM Research Seminar 2023

Date Name Title
30.01. Tristan Biard The role of Rhizaria in pelagic ecosystems: recent insights from in situ imaging and basic biogeochemistry
13.02. Peter Christopher LaFemina Cascading Hazards in a Migrating Forearc-Arc System: Earthquake and Eruption Triggering in Nicaragua
27.03. Christopher A. Kiahtipes Of Peatlands and Floodplains: Unpacking the Complex Natural History of the Inner Congo Basin’s Fluvial Networks
24.04. Ilya Bobrovskiy Stable carbon isotope view on the record of early evolution of complex life: from bacteria to animals
08.05. Agathe Eijsink The influence of surface roughness on the earthquake potential of faults: a highlight of my PhD dissertation
12.05. Michele Rebesco IODP Exp-403: The high-resolution paleoclimatic record of the western margin of Svalbard
15.05. Sina Schorn Methane emissions from seagrass meadows in the Mediterranean Sea
05.06. Miriam Seifert Simulating the future ocean: Towards an improved projection of phytoplankton biomass and community composition
26.06. Marta Marchegiano The ostracod clumped-isotope thermometer: a novel tool to reconstruct quantitative continental climate changes
10.07. Denis Scholz

Short-term spe­leothem growth phases in Cent­ral Europe - snap­shots of warm and cold con­di­tions dur­ing Mar­ine Iso­tope Stage 3
9.10. Markus Stocker FAIR Scientific Information with the Open Research Knowledge Graph
6.11. Evgenia Galytska Eva­lua­ting Cau­sal Arc­tic-Mid­la­ti­tu­de Tel­e­con­nec­tions in CMIP6
13.11. Graciana Willis Poratti Unraveling the microbiology life in sediments from a small fjord in Antarctica
20.11. Christian Mohn Motion, commotion and biophysical connections at seamounts and carbonate mounds
04.12 Murray Ford New insights into the formation and dynamics of low-lying reef islands

MARUM Research Seminar 2022

Date Name Title
25.04. Clarissa Karthäuser Sinking particles control fixed nitrogen-loss from the Peruvian oxygen minimum zone (MARUM Research Award)
09.05. Elliott Mueller Searching for invisible metabolisms: A multidimensional perspective on anoxic carbon cycling using stable isotopes
23.05. Katharina Streuff GlaciDat – a GIS database of submarine glacial landforms and sediments in the Arctic
20.06. Juan Manuel García-Ruiz Silica bio­morphs, prim­it­ive life de­tec­tion, and the lim­its of min­eral self-or­gan­iz­a­tion
04.07. Frank Sirocko The climate of central Europe under the control of the North Atlantic during the last 60.000 years
18.07. Enno Schefuß Land-ocean connectivity of the Congo Basin – or how to get samples from central Africa
12.09. Peter Clift Evol­u­tion of the Asian Mon­soon and its Im­pact on Erosion and Tec­ton­ics of the Hi­m­alaya
24.10. Florian Pohl Plastics in sedimentary environments – The global plastic pollution crisis and what we know about this new and ubiquitous sediment particle
21.11. Or M. Bialik Mio­ce­ne pa­leo pro­duc­tivi­ty pat­terns in the Nort­hern In­dian Oce­an
05.12. Norbert Marwan Investigating palaeoclimate conditions with nonlinear time series analysis

MARUM Research Seminar 2021

Date Name Title
11.01. Marcello Gugliotta Process interactions in modern and ancient coastal sedimentary systems
25.01. Judith Hauck The ocean carbon sink in the Global Carbon Budget and a sneak preview in development and use cases of the ocean biogeochemical model FESOM-REcoM
08.02. Karin Zonneveld M165, a MARUM/GeoB cruise off Cape Blanc during "Corona Times"
08.03. Florian Adolphi What’s the time? Using cosmogenic radionuclides to test and improve chronologies in paleoclimatology
22.03. Matthias Prange The other side of sea level change: An evolutionary giant in peril
12.04. Jan-Hendrik Hehemann Rethinking the role of the seafloor in ocean chemistry and long-term climate
03.05. Ann Dunlea Not easy to digest – sugar carbon sinks in the ocean
28.06. Mattia Greco Decadal trend of plankton community change and habitat shoaling in the Arctic gateway recorded by planktonic foraminifera
12.07. Nadia Senechal Wave sequencing, Erosion, Accretion: Any miracle recipe for wave-dominated sandy beach morphodynamics?

MARUM Research Seminar 2020

Date Name Title
13.01. Jasper Moernaut Contrasting effect of earthquakes on active margins: from lacustrine studies to seismic hazard assessment
27.01. Blair Thornton 3D visual mapping and rapid understanding of multi-hectare benthic habitats
10.02. Beth N. Orcutt Between a rock and a hard place: Exploring the oceanic crust deep biosphere with ocean drilling
02.03. Sebastian Hennige Will we lose reefs of the deep?
31.08. Luca Mala­tes­ta From shelf break to ma­ri­ne ter­ra­ces, the mor­pho­lo­gi­cal re­cord of eu­s­ta­sy and in­ters­eis­mic de­for­ma­ti­on
14.09. Ralf Bachmayer/Ulla Röhl Cruise presentation FS Alkor AL534 and BS Joides Resolution IODP378
28.09. Michael Clare Ob­serving tur­bid­ity cur­rents in the wild: New in­sights from dir­ect field-scale meas­ure­ments
09.11. David De Vleeschouwer Earth Sys­tem re­sponse to as­tro­nom­ical for­cing on a chan­ging planet
23.11. Thomas Westerhold How to capture 66 million years of natural climate variability?
14.12. Jean-Pier­re de Vera The se­arch for life on Mars and the icy oce­an worlds in the so­lar sys­tem – stra­te­gies, lo­gis­tics and in­fra­struc­tu­res

MARUM Research Seminar 2019

Date Name Title
02.09. Donato Giovannelli Can subsurface microbial communities influence volatile cycling across subduction zones?
30.09. Andrew McDonnell Insights into the ocean’s biological pump from underwater imaging of marine particles and plankton
21.10. Veerle Huvenne Habitat mapping in submarine canyons
4.11. Francesco Muschitiello Deep-water circulation changes lead North Atlantic climate during deglaciation
11.11. S. Becker, M. Vahlenkamp and R. Laso-Pérez Alumni seminar
18.11. Arunima Sen Ecology of Arctic cold seeps and their impacts on the larger Arctic marine ecosystem
02.12. Claire Rollion-Bard Biomineralisation processes in biogenic carbonates and their impact on environmental proxies
16.12. Paola Moffa-Sánchez Deglacial warm events in the Southern Ocean are felt in the tropics

The "Bremen-Cardiff-Alliance" aims at facilitating research projects and promoting new collaborations between the University of Bremen and Cardiff University. In order to fill the partnership with life, researchers from Cardiff as well as from Bremen have the opportunity to participate in the research seminars of the partner university, to establish closer networks and to promote the exchange. The current date, topic and zoom link for the weekly Cardiff Seminar series will be shared via the MARUM info mailing list.