Potential activities and long lifetimes of organic carbon-degrading extracellular enzymes in deep subsurface sediments of the Baltic sea

JM Schmidt, TM Royalty, KG Lloyd… - Frontiers in Microbiology, 2021 - frontiersin.org
Heterotrophic microorganisms in marine sediments produce extracellular enzymes to
hydrolyze organic macromolecules, so their products can be transported inside the cell and …

[HTML][HTML] Seasonal climate variations in the Baltic Sea during the Last Interglacial based on foraminiferal geochemistry

S Ni, NBQ Krupinski, J Chonewicz, J Groeneveld… - Quaternary Science …, 2021 - Elsevier
Abstract Climate during the Last Interglacial period (LIG, Marine Isotope Stage 5e) was on
average warmer than the present, with a higher global sea level but also more unstable …

The role of anaerobic methane oxidation on the carbonate authigenesis in sediments of the subtropical Beibu Gulf, South China Sea: A reactive–transport modelling …

S Xu, B Liu, Z Wu, N Kowalski, ME Böttcher - Chemical Geology, 2023 - Elsevier
The formation and burial of authigenic carbonate in marine sediment significantly affect the
sedimentary carbon cycle and its isotopic mass balance in geological history. Anaerobic …

Drought recorded by Ba∕ Ca in coastal benthic foraminifera

I Brinkmann, C Barras, T Jilbert, T Næraa… - …, 2022 - bg.copernicus.org
Increasing occurrences of extreme weather events, such as the 2018 drought over northern
Europe, are a concerning issue under global climate change. High-resolution archives of …

[HTML][HTML] Early diagenesis of foraminiferal calcite under anoxic conditions: A case study from the Landsort Deep, Baltic Sea (IODP Site M0063)

S Ni, NBQ Krupinski, J Groeneveld, P Persson… - Chemical …, 2020 - Elsevier
The chemical composition of foraminiferal calcite is widely used for studying past
environmental conditions and biogeochemistry. However, high rates of microbial organic …

[HTML][HTML] Controls on barium incorporation into tests of benthic foraminifera from the Aegean Sea (Eastern Mediterranean Sea)–Towards a species-specific Ba/Ca …

J Petersen, G Schmiedl, J Raddatz, A Bahr… - Marine …, 2024 - Elsevier
Abstract We have analysed Ba/Ca ratios of live and dead benthic foraminifera (Uvigerina
mediterranea and Melonis affinis) from core tops of seven sites located in the Aegean Sea …

Different continuous freshwater contributions to submarine groundwater discharge at a coastal peatland, southern Baltic Sea

AK Jenner, R Saban, CM Ehlert von Ahn… - … in Environmental and …, 2024 - Taylor & Francis
The impact of freshwater sources like surface river runoff and submarine groundwater
discharge (SGD) on coastal waters is currently in focus of intense debate and investigation …

Deglaciation dynamics of the Fennoscandian Ice Sheet in the Kattegat, the gateway between the North Sea and the Baltic Sea Basin

O Hyttinen, N Quintana Krupinski, O Bennike… - Boreas, 2021 - Wiley Online Library
This paper presents an age–depth model based on an ultra‐high‐resolution, 80‐m‐thick
sedimentary succession from a marine continental shelf basin, the Kattegat. This is an area …

Holocene spatiotemporal redox variations in the southern Baltic Sea

DS Hardisty, N Riedinger, NJ Planavsky… - Frontiers in Earth …, 2021 - frontiersin.org
Low oxygen conditions in the modern Baltic Sea are exacerbated by human activities;
however, anoxic conditions also prevailed naturally over the Holocene. Few studies have …

Coastal signals of environmental changes: foraminifera as benthic monitors

I Brinkmann - 2022 - portal.research.lu.se
Climate changes, tightly linked to anthropogenic activities, are significantly altering
environments and ecosystems globally, such as by increasing marine and coastal …