A5089265887- Methane Hydrates and Related Phenomena
- Geology and Paleoclimatology Research
- Geological Studies and Exploration
- Marine and environmental studies
- Marine and coastal ecosystems
- Isotope Analysis in Ecology
- Hydrocarbon exploration and reservoir analysis
- Paleontology and Stratigraphy of Fossils
- Arctic and Antarctic ice dynamics
- Protist diversity and phylogeny
- Microbial Community Ecology and Physiology
- Marine Biology and Ecology Research
- Climate change and permafrost
- Geological formations and processes
- Cancer, Hypoxia, and Metabolism
- Atmospheric and Environmental Gas Dynamics
- Offshore Engineering and Technologies
- Pleistocene-Era Hominins and Archaeology
- Underwater Acoustics Research
- Geological Modeling and Analysis
- Scientific Research and Discoveries
- Geological and Geophysical Studies
- Molecular Biology Techniques and Applications
- Image Processing and 3D Reconstruction
- Geomagnetism and Paleomagnetism Studies
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
2015-2024
Food Research Institute
2017
Hochschule Bremerhaven
2012
University of Bremen
2005
Kiel University
1993-2001
GEOMAR Helmholtz Centre for Ocean Research Kiel
1992-1995
Abstract The distribution of dinoflagellate cyst (dinocyst) assemblages in surface sediment samples from 677 sites the northern North Atlantic, Arctic and sub‐Arctic seas is discussed with emphasis on relationships sea‐surface parameters, including sea‐ice cover, salinity temperature coldest warmest months. Difficulties developing a circum‐Arctic data base include morphological variation within taxa (e.g. Operculodinium centrocarpum , Islandinium ? cezare Polykrikos sp.), which probably...
Abstract Round, brown, spiny dinoflagellate cysts characterise many modern high‐latitude assemblages. Abundance is often highest where summer sea‐surface temperatures seldom exceed 7 °C and winter are around 0 °C, making this morphological group important for reconstructing cold intervals within marine Quaternary sequences. Our analysis of sediments from the Beaufort Sea Arctic Canada, Kara Laptev seas Russia, across Ocean, allows us to recognise new cyst genus Islandinium along with extant...
Abstract Although the permanently to seasonally ice-covered Arctic Ocean is a unique and sensitive component in Earth’s climate system, knowledge of its long-term history remains very limited due restricted number pre-Quaternary sedimentary records. During Polarstern Expedition PS87/2014, we discovered multiple submarine landslides along Lomonosov Ridge. Removal younger sediments from steep headwalls has led exhumation Miocene close seafloor. Here document presence IP 25 as proxy for spring...
Past sea-surface conditions over the northern North Atlantic during last glacial maximum were examined from study of 61 deep-sea cores. The time slice studied here corresponds to an interval between Heinrich layers H 2 and 1 , spanning about 20-16 ka on a 14 C scale. Transfer functions based dinocyst assemblages used reconstruct temperature, salinity, sea-ice cover. results illustrate extensive cover along eastern Canadian margins spreading, only winter, most Atlantic. On whole, much colder...