Search Results - "Brummer, A"
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Taxonomic review of living planktonic foraminifera
Published in Journal of micropalaeontology (11-03-2022)“…Applications of fossil shells of planktonic foraminifera to decipher past environmental change and plankton evolution require a robust operational taxonomy. In…”
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Genetic and morphological divergence in the warm-water planktonic foraminifera genus Globigerinoides
Published in PloS one (05-12-2019)“…The planktonic foraminifera genus Globigerinoides provides a prime example of a species-rich genus in which genetic and morphological divergence are…”
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Tropical rains controlling deposition of Saharan dust across the North Atlantic Ocean
Published in Geophysical research letters (16-03-2020)“…Mineral dust plays an important role in the atmospheric radiation budget as well as in the ocean carbon cycle through fertilization and by ballasting of…”
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Particle size traces modern Saharan dust transport and deposition across the equatorial North Atlantic
Published in Atmospheric chemistry and physics (04-11-2016)“…Mineral dust has a large impact on regional and global climate, depending on its particle size. Especially in the Atlantic Ocean downwind of the Sahara, the…”
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Carbonate fluxes by coccolithophore species between NW Africa and the Caribbean: Implications for the biological carbon pump
Published in Limnology and oceanography (01-08-2021)“…Coccolithophores are among the most important calcifying pelagic organisms. To assess how coccolithophore species with different coccolith‐carbonate mass and…”
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Downward particle fluxes of biogenic matter and Saharan dust across the equatorial North Atlantic
Published in Atmospheric chemistry and physics (16-05-2017)“…Massive amounts of Saharan dust are blown from the coast of northern Africa across the Atlantic Ocean towards the Americas each year. This dust has, depending…”
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Reply to Fordham and Welter-Schultes's comment on “Taxonomic review of living planktonic foraminifera” by Brummer and Kučera (2022)
Published in Journal of micropalaeontology (16-05-2023)“…In our recent review of the taxonomy of extant planktonic foraminifera (Brummer and Kučera, 2022), we explicitly stated that we consider the work by Fordham…”
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Impact of Seawater Inorganic Carbon Chemistry on Element Incorporation in Foraminiferal Shell Carbonate
Published in Geochemistry, geophysics, geosystems : G3 (01-04-2024)“…Reconstruction of the marine inorganic carbon system relies on proxy signal carriers, such as element/calcium (El/Ca) ratios in foraminiferal shells…”
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Variability in Neogloboquadrina pachyderma stable isotope ratios from isothermal conditions: implications for individual foraminifera analysis
Published in Climate of the past (20-01-2022)“…Individual foraminifera analysis (IFA) holds promise to reconstruct seasonal to interannual oceanographic variability. Even though planktonic foraminifera are…”
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Salinity controls on Na incorporation in Red Sea planktonic foraminifera
Published in Paleoceanography (01-12-2016)“…Whereas several well‐established proxies are available for reconstructing past temperatures, salinity remains challenging to assess. Reconstructions based on…”
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Reconstructing the depth of the permanent thermocline through the morphology and geochemistry of the deep dwelling planktonic foraminifer Globorotalia truncatulinoides
Published in Paleoceanography (01-01-2015)“…Geochemical and morphological characteristics of Globorotalia truncatulinoides, a deep dwelling planktonic foraminifer, have been used since the mid‐1950s to…”
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El Niño–Southern Oscillation and internal sea surface temperature variability in the tropical Indian Ocean since 1675
Published in Climate of the past (15-01-2021)“…The dominant modes of climate variability on interannual timescales in the tropical Indian Ocean are the El Niño–Southern Oscillation (ENSO) and the Indian…”
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Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust
Published in Biogeosciences (17-10-2017)“…Coccolithophores are calcifying phytoplankton and major contributors to both the organic and inorganic oceanic carbon pumps. Their export fluxes, species…”
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Encrustation and trace element composition of Neogloboquadrina dutertrei assessed from single chamber analyses – implications for paleotemperature estimates
Published in Biogeosciences (26-11-2012)“…Crust formation is a common phenomenon in planktonic foraminifera. Because of their different formation mechanism and hence composition, crusts affect the…”
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Vigorous exchange between the Indian and Atlantic oceans at the end of the past five glacial periods
Published in Nature (05-08-2004)“…The magnitude of heat and salt transfer between the Indian and Atlantic oceans through 'Agulhas leakage' is considered important for balancing the global…”
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Late Pleistocene glacial–interglacial shell-size–isotope variability in planktonic foraminifera as a function of local hydrography
Published in Biogeosciences (07-08-2015)“…So-called "vital effects" are a collective term for a suite of physiologically and metabolically induced variability in oxygen (δ18O) and carbon (δ13C) isotope…”
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Modal shift in North Atlantic seasonality during the last deglaciation
Published in Climate of the past (07-02-2020)“…Changeover from a glacial to an interglacial climate is considered as transitional between two stable modes. Palaeoceanographic reconstructions using the polar…”
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Long-chain diols in settling particles in tropical oceans: insights into sources, seasonality and proxies
Published in Biogeosciences (25-04-2019)“…In this study we analyzed sediment trap time series from five tropical sites to assess seasonal variations in concentrations and fluxes of long-chain diols…”
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Cocos (Keeling) Corals Reveal 200 Years of Multidecadal Modulation of Southeast Indian Ocean Hydrology by Indonesian Throughflow
Published in Paleoceanography and paleoclimatology (01-01-2018)“…The only low latitude pathway of heat and salt from the Pacific Ocean to the Indian Ocean, known as Indonesian Throughflow (ITF), has been suggested to…”
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Effects of Ocean Acidification on Calcification of the Sub-Antarctic Pteropod Limacina retroversa
Published in Frontiers in Marine Science (02-03-2021)“…Ocean acidification is expected to impact the high latitude oceans first, as CO 2 dissolves more easily in colder waters. At the current rate of anthropogenic…”
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