A5089598289- Geology and Paleoclimatology Research
- Methane Hydrates and Related Phenomena
- Isotope Analysis in Ecology
- Marine and environmental studies
- Underwater Acoustics Research
- Marine Biology and Ecology Research
- Geological and Geophysical Studies
- Oceanographic and Atmospheric Processes
- Species Distribution and Climate Change
- Microbial Community Ecology and Physiology
- Data Quality and Management
- Geological formations and processes
- Semantic Web and Ontologies
- Ocean Waves and Remote Sensing
- Geological and Geochemical Analysis
University of Bremen
2020-2024
Marine Research Centre
2020
Abstract Biodiversity is expected to change in response future global warming. However, it difficult predict how species will track the ongoing climate change. Here we use fossil record of planktonic foraminifera assess biodiversity responded with a magnitude comparable anthropogenic We compiled time series assemblages, covering from last ice age across deglaciation current warm period. Planktonic assemblages shifted immediately when temperature began rise at end and continued until...
Abstract. Palaeoclimate data hold the unique promise of providing a long-term perspective on climate change and as such can serve an important benchmark for models. However, palaeoclimate have generally been archived with insufficient standardisation metadata to allow transparent consistent uncertainty assessment in automated way. Thanks improved computation capacity, transient simulations are now possible, calling products containing multi-parameter time series rather than information...
Abstract. Data on marine microfossil assemblage composition have multiple applications. Initially, they were primarily used for (chrono)stratigraphy and palaeoecology, but these data are now also widely to study evolutionary ecological processes, such as past biodiversity its links with environmental dynamics, or provide a basis conservation efforts biomonitoring. The large range of potential applications renders abundance ideal reuse. However, the complexity inherent in taxonomic data,...
Tristan da Cunha is assumed to be the youngest subaerial expression of Walvis Ridge hot spot. Based on new hydroacoustic data, we propose that most recent spot volcanic activity occurs west island. We surveyed relatively young intraplate fields and scattered, probably monogenetic, submarine volcanoes with multibeam echosounders sub-bottom profilers. Structural zonal GIS analysis bathymetric backscatter results, based habitat mapping algorithms discriminate seafloor features, revealed...
Abstract. Palaeoclimate data hold the unique promise of providing a long-term perspective on climate change and as such can serve an important benchmark for models. However, palaeoclimate have generally been archived with insufficient standardisation metadata to allow transparent consistent uncertainty assessment in automated way. Thanks improved computation capacity, transient simulations are now possible, calling products containing multiparameter time series rather than information single...
Abstract Aim We are using the fossil record of different marine plankton groups to determine how their biodiversity has changed during past climate warming comparable projected future warming. Location North Atlantic Ocean and adjacent seas. Time series cover a latitudinal range from 75° N 6° S. period Past 24,000 years, Last Glacial Maximum (LGM) current warm covering last deglaciation. Major taxa studied Planktonic foraminifera, dinoflagellates coccolithophores. Methods analyse time...
<p>Understanding the response of marine ecosystems to climate change requires knowledge processes that operate over long time scales. Over last decades, abundant data have been generated on in composition microplankton assemblages across deglaciation. These were used reconstruct various aspects ocean and system during this climatic upheaval; however, their potential evaluate biotic forcing has rarely explored. Here, we compiled records plankton deglaciation covering entire...