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Employment (2)

Koninklijk Nederlands Instituut voor Onderzoek der Zee: Den Burg, Noord-Holland, NL

2002 to present | senior scientist, tenured (Ocean Systems, Marine Geology and Chemistry)
Employment
Source: Self-asserted source
Geert-Jan Brummer

Vrije Universiteit Amsterdam: Amsterdam, Noord-Holland, NL

2010-04-01 to 2020-04-01 | extra-ordinary Professor (Paleo)oceanography and marine chemistry (Faculty of Earth and Life Sciences, Earth and Climate Cluster)
Employment
Source: Self-asserted source
Geert-Jan Brummer

Education and qualifications (3)

Vrije Universiteit Amsterdam: Amsterdam, Noord-Holland, NL

1983-10 to 1988-11 | PhD (cum laude) (Institute of Earth Sciences, Dept. Marine Geology)
Education
Source: Self-asserted source
Geert-Jan Brummer

Vrije Universiteit Amsterdam: Amsterdam, Noord-Holland, NL

1980-08 to 1983-10 | Master of Science (Marine Geology, Marine Biology) (Institute of Earth Sciences)
Education
Source: Self-asserted source
Geert-Jan Brummer

Rijksuniversiteit Groningen: Groningen, Groningen, NL

1976-09 to 1980-08 | Bachelor degree (cum laude) (Institute for Geology and Mineralogy)
Education
Source: Self-asserted source
Geert-Jan Brummer

Works (40)

Sulfur incorporation in (foraminiferal) calcite

2025-01-20 | Preprint
DOI: 10.5194/egusphere-egu24-19571
Contributors: Szabina Karancz; Joji Uchikawa; Lennart J. de Nooijer; Mariëtte Wolthers; Kyle Conner; Corinne Hite; Geert-Jan A. Brummer; Julie Lattaud; Negar Haghipour; Yair Rosenthal et al.
Source: check_circle
Crossref

Impact of Seawater Inorganic Carbon Chemistry on Element Incorporation in Foraminiferal Shell Carbonate

Geochemistry, Geophysics, Geosystems
2024-04 | Journal article
DOI: 10.1029/2023GC011302
Contributors: S. Karancz; L. J. de Nooijer; G. J. A. Brummer; J. Lattaud; N. Haghipour; Y. Rosenthal; G. J. Reichart
Source: check_circle
Crossref

Reply to Fordham and Welter-Schultes's comment on “Taxonomic review of living planktonic foraminifera” by Brummer and Kučera (2022)

Journal of Micropalaeontology
2023-05-16 | Journal article
DOI: 10.5194/jm-42-33-2023
Contributors: Michal Kučera; Geert-Jan A. Brummer
Source: check_circle
Crossref

Monitoring present-day Saharan dust at sea

2022-03-27 | Preprint
DOI: 10.5194/egusphere-egu22-5364
Contributors: Jan-Berend Stuut; Catarina Guerreiro; Geert-Jan Brummer; Michèlle van der Does
Source: check_circle
Crossref

Taxonomic review of living planktonic foraminifera

Journal of Micropalaeontology
2022-03-11 | Journal article
DOI: 10.5194/jm-41-29-2022
Contributors: Geert-Jan A. Brummer; Michal Kučera
Source: check_circle
Crossref

Variability in Neogloboquadrina pachyderma stable isotope ratios from isothermal conditions: implications for individual foraminifera analysis

Climate of the Past
2022-01-20 | Journal article
DOI: 10.5194/cp-18-89-2022
Contributors: Lukas Jonkers; Geert-Jan A. Brummer; Julie Meilland; Jeroen Groeneveld; Michal Kucera
Source: check_circle
Crossref

Variability in Neogloboquadrina pachyderma stable isotope ratios from isothermal conditions: implications for individual foraminifera analysis

2021-08-03 | Preprint
DOI: 10.5194/cp-2021-87
Contributors: Lukas Jonkers; Geert-Jan A. Brummer; Julie Meilland; Jeroen Groeneveld; Michal Kucera
Source: check_circle
Crossref

Seasonality in Saharan Dust Across the Atlantic Ocean: From Atmospheric Transport to Seafloor Deposition

Journal of Geophysical Research: Atmospheres
2021-06-16 | Journal article
DOI: 10.1029/2021JD034614
Contributors: Michèlle van der Does; Geert‐Jan A. Brummer; Laura F. Korte; Jan‐Berend W. Stuut
Source: check_circle
Crossref

Present-day Saharan dust observed over the Atlantic Ocean

2021-03-04 | Other
DOI: 10.5194/egusphere-egu21-7449
Contributors: Jan-Berend Stuut; Catarina Guerreiro; Geert-Jan Brummer; Michèlle van der Does
Source: check_circle
Crossref

El Niño–Southern Oscillation and internal sea surface temperature variability in the tropical Indian Ocean since 1675

Climate of the Past
2021-01-15 | Journal article
DOI: 10.5194/cp-17-151-2021
Contributors: Maike Leupold; Miriam Pfeiffer; Takaaki K. Watanabe; Lars Reuning; Dieter Garbe-Schönberg; Chuan-Chou Shen; Geert-Jan A. Brummer
Source: check_circle
Crossref

High‐Resolution Mg/Ca and δ18O Patterns in Modern Neogloboquadrina pachyderma From the Fram Strait and Irminger Sea

Paleoceanography and Paleoclimatology
2020-09 | Journal article
DOI: 10.1029/2020PA003969
Contributors: Caitlin M. Livsey; Reinhard Kozdon; Dorothea Bauch; Geert‐Jan A. Brummer; Lukas Jonkers; Ian Orland; Tessa M. Hill; Howard J. Spero
Source: check_circle
Crossref

Multiple drivers of production and particle export in the western tropical North Atlantic

Limnology and Oceanography
2020-09 | Journal article
DOI: 10.1002/lno.11442
Contributors: Laura F. Korte; Geert‐Jan A. Brummer; Michèlle van der Does; Catarina V. Guerreiro; Furu Mienis; Chris I. Munday; Leandro Ponsoni; Stefan Schouten; Jan‐Berend W. Stuut
Source: check_circle
Crossref

Present-day Saharan dust fluxes across the Atlantic Ocean

2020-03-23 | Other
DOI: 10.5194/egusphere-egu2020-19416
Contributors: Jan-Berend Stuut; Catarina Guerreiro; Geert-Jan Brummer; Laura Korte; Michèlle Van der Does
Source: check_circle
Crossref

Tropical Rains Controlling Deposition of Saharan Dust Across the North Atlantic Ocean

Geophysical Research Letters
2020-03-16 | Journal article
DOI: 10.1029/2019GL086867
Contributors: Michèlle van der Does; Geert‐Jan A. Brummer; Fleur C. J. van Crimpen; Laura F. Korte; Natalie M. Mahowald; Ute Merkel; Hongbin Yu; Paquita Zuidema; Jan‐Berend W. Stuut
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Crossref

ENSO and internal sea surface temperature variability in the tropical Indian Ocean since the Maunder Minimum

2020-03-04 | Preprint
DOI: 10.5194/cp-2020-22
Contributors: Maike Leupold; Miriam Pfeiffer; Takaaki K. Watanabe; Lars Reuning; Dieter Garbe-Schönberg; Chuan-Chou Shen; Geert-Jan A. Brummer
Source: check_circle
Crossref

Supplementary material to "ENSO and internal sea surface temperature variability in the tropical Indian Ocean since the Maunder Minimum"

2020-03-04 | Preprint
DOI: 10.5194/cp-2020-22-supplement
Contributors: Maike Leupold; Miriam Pfeiffer; Takaaki K. Watanabe; Lars Reuning; Dieter Garbe-Schönberg; Chuan-Chou Shen; Geert-Jan A. Brummer
Source: check_circle
Crossref

Long-chain diols in settling particles in tropical oceans: insights into sources, seasonality and proxies

Biogeosciences
2019-04-25 | Journal article
DOI: 10.5194/bg-16-1705-2019
Contributors: Marijke W. de Bar; Jenny E. Ullgren; Robert C. Thunnell; Stuart G. Wakeham; Geert-Jan A. Brummer; Jan-Berend W. Stuut; Jaap S. Sinninghe Damsté; Stefan Schouten
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Crossref

Modal shift in North Atlantic seasonality during the last deglaciation

2019-04-16 | Preprint
DOI: 10.5194/cp-2018-144
Contributors: Geert-Jan A. Brummer; Brett Metcalfe; Wouter Feldmeijer; Maarten A. Prins; Jasmijn van 't Hoff; Gerald M. Ganssen
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Crossref
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Supplementary material to "Modal shift in North Atlantic seasonality during the last deglaciation"

2019-04-16 | Preprint
DOI: 10.5194/cp-2018-144-supplement
Contributors: Geert-Jan A. Brummer; Brett Metcalfe; Wouter Feldmeijer; Maarten A. Prins; Jasmijn van 't Hoff; Gerald M. Ganssen
Source: check_circle
Crossref

Long chain diols in settling particles in tropical oceans: insights into sources, seasonality and proxies

2019-02-01 | Preprint
DOI: 10.5194/bg-2019-15
Contributors: Marijke W. de Bar; Jenny Ullgren; Robert C. Thunnell; Stuart G. Wakeham; Geert-Jan A. Brummer; Jan-Berend W. Stuut; Jaap S. Sinninghe Damsté; Stefan Schouten
Source: check_circle
Crossref

Effects of dry and wet Saharan dust deposition in the tropical North Atlantic Ocean

2018-12-05 | Other
DOI: 10.5194/bg-2018-484
Contributors: Laura F. Korte; Franziska Pausch; Scarlett Trimborn; Corina P. D. Brussaard; Geert-Jan A. Brummer; Michèlle van der Does; Catarina V. Guerreiro; Laura T. Schreuder; Chris I. Munday; Jan-Berend W. Stuut
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Crossref

Supplementary material to "Effects of dry and wet Saharan dust deposition in the tropical North Atlantic Ocean"

2018-12-05 | Other
DOI: 10.5194/bg-2018-484-supplement
Contributors: Laura F. Korte; Franziska Pausch; Scarlett Trimborn; Corina P. D. Brussaard; Geert-Jan A. Brummer; Michèlle van der Does; Catarina V. Guerreiro; Laura T. Schreuder; Chris I. Munday; Jan-Berend W. Stuut
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Crossref

Taphonomic and Ontogenetic Effects on Na/Ca and Mg/Ca in Spinose Planktonic Foraminifera From the Red Sea

Geochemistry, Geophysics, Geosystems
2018-11 | Journal article
DOI: 10.1029/2018GC007852
Contributors: E. M. Mezger; L. J. de Nooijer; M. Siccha; G.‐J. A. Brummer; M. Kucera; G.‐J. Reichart
Source: check_circle
Crossref

The Southwest Indian Ocean Bathymetric Compilation (swIOBC)

Geochemistry, Geophysics, Geosystems
2018-03 | Journal article
DOI: 10.1002/2017GC007274
Contributors: B. Dorschel; L. Jensen; J. E. Arndt; G.‐J. Brummer; H. de Haas; A. Fielies; D. Franke; W. Jokat; R. Krocker; D. Kroon et al.
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Crossref

Cocos (Keeling) Corals Reveal 200 Years of Multidecadal Modulation of Southeast Indian Ocean Hydrology by Indonesian Throughflow

Paleoceanography and Paleoclimatology
2018-01 | Journal article
DOI: 10.1002/2017PA003181
Contributors: Rick Hennekam; Jens Zinke; Erik van Sebille; Malou ten Have; Geert‐Jan A. Brummer; Gert‐Jan Reichart
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Crossref

Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust

Biogeosciences
2017-10-17 | Journal article
DOI: 10.5194/bg-14-4577-2017
Contributors: Catarina V. Guerreiro; Karl-Heinz Baumann; Geert-Jan A. Brummer; Gerhard Fischer; Laura F. Korte; Ute Merkel; Carolina Sá; Henko de Stigter; Jan-Berend W. Stuut
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Coccolithophore fluxes in the open tropical North Atlantic: influence of the Amazon river and of Saharan dust deposition

2017-06-14 | Preprint
DOI: 10.5194/bg-2017-216
Contributors: Catarina V. Guerreiro; Karl-Heinz Baumann; Geert-Jan A. Brummer; Gerhard Fischer; Laura F. Korte; Ute Merkel; Carolina Sá; Henko de Stigter; Jan-Berend W. Stuut
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Crossref

Supplementary material to "Coccolithophore fluxes in the open tropical North Atlantic: influence of the Amazon river and of Saharan dust deposition"

2017-06-14 | Preprint
DOI: 10.5194/bg-2017-216-supplement
Contributors: Catarina V. Guerreiro; Karl-Heinz Baumann; Geert-Jan A. Brummer; Gerhard Fischer; Laura F. Korte; Ute Merkel; Carolina Sá; Henko de Stigter; Jan-Berend W. Stuut
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Downward particle fluxes of biogenic matter and Saharan dust across the equatorial North Atlantic

Atmospheric Chemistry and Physics
2017-05-16 | Journal article
DOI: 10.5194/acp-17-6023-2017
Contributors: Laura F. Korte; Geert-Jan A. Brummer; Michèlle van der Does; Catarina V. Guerreiro; Rick Hennekam; Johannes A. van Hateren; Dirk Jong; Chris I. Munday; Stefan Schouten; Jan-Berend W. Stuut
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Salinity controls on Na incorporation in Red Sea planktonic foraminifera

Paleoceanography
2016-12 | Journal article
DOI: 10.1002/2016PA003052
Contributors: E. M. Mezger; L. J. de Nooijer; W. Boer; G. J. A. Brummer; G. J. Reichart
Source: check_circle
Crossref

Compositional changes of present-day transatlantic Saharan dust deposition

2016-12-08 | Preprint
DOI: 10.5194/acp-2016-1068
Contributors: Laura F. Korte; Geert-Jan Brummer; Michèlle van der Does; Catarina V. Guerreiro; Rick Hennekam; Johannes A. van Hateren; Dirk Jong; Chris I. Munday; Stefan Schouten; Jan-Berend W. Stuut
Source: check_circle
Crossref

Supplementary material to "Compositional changes of present-day transatlantic Saharan dust deposition"

2016-12-08 | Preprint
DOI: 10.5194/acp-2016-1068-supplement
Contributors: Laura F. Korte; Geert-Jan Brummer; Michèlle van der Does; Catarina V. Guerreiro; Rick Hennekam; Johannes A. van Hateren; Dirk Jong; Chris I. Munday; Stefan Schouten; Jan-Berend W. Stuut
Source: check_circle
Crossref

Particle size traces modern Saharan dust transport and deposition across the equatorial North Atlantic

Atmospheric Chemistry and Physics
2016-11-04 | Journal article
DOI: 10.5194/acp-16-13697-2016
Contributors: Michèlle van der Does; Laura F. Korte; Chris I. Munday; Geert-Jan A. Brummer; Jan-Berend W. Stuut
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Crossref
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Detection and origin of different types of annual laminae in recent stalagmites from Zoolithencave, southern Germany: Evaluation of the potential for quantitative reconstruction of past precipitation variability

2016-02-15 | Other
DOI: 10.5194/cp-2016-18
Contributors: Dana Felicitas Christine Riechelmann; Jens Fohlmeister; Rik Tjallingii; Klaus Peter Jochum; Detlev Konrad Richter; Geert-Jan A. Brummer; Denis Scholz
Source: check_circle
Crossref

Late Pleistocene glacial–interglacial shell-size–isotope variability in planktonic foraminifera as a function of local hydrography

Biogeosciences
2015-08-07 | Journal article
DOI: 10.5194/bg-12-4781-2015
Contributors: B. Metcalfe; W. Feldmeijer; M. de Vringer-Picon; G.-J. A. Brummer; F. J. C. Peeters; G. M. Ganssen
Source: check_circle
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Reconciling single-chamber Mg / Ca with whole-shell δ18O in surface to deep-dwelling planktonic foraminifera from the Mozambique Channel

Biogeosciences
2015-04-24 | Journal article
DOI: 10.5194/bg-12-2411-2015
Contributors: J. Steinhardt; C. Cléroux; L. J. de Nooijer; G.-J. Brummer; R. Zahn; G. Ganssen; G.-J. Reichart
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Crossref

Late Pleistocene Glacial–Interglacial related shell size isotope variability in planktonic foraminifera as a function of local hydrology

2015-01-06 | Preprint
DOI: 10.5194/bgd-12-135-2015
Contributors: B. Metcalfe; W. Feldmeijer; M. de Vringer-Picon; G.-J. A. Brummer; F. J. C. Peeters; G. M. Ganssen
Source: check_circle
Crossref

Supplementary material to "Late Pleistocene Glacial–Interglacial related shell size isotope variability in planktonic foraminifera as a function of local hydrology"

2015-01-06 | Preprint
DOI: 10.5194/bgd-12-135-2015-supplement
Contributors: B. Metcalfe; W. Feldmeijer; M. de Vringer-Picon; G.-J. A. Brummer; F. J. C. Peeters; G. M. Ganssen
Source: check_circle
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Reconciling single chamber Mg/Ca with whole test δ18O in surface to deep dwelling planktonic foraminifera from the Mozambique Channel

2014-12-12 | Preprint
DOI: 10.5194/bgd-11-17255-2014
Contributors: J. Steinhardt; C. Cléroux; L. de Nooijer; G.-J. Brummer; R. Zahn; G. Ganssen; G.-J. Reichart
Source: check_circle
Crossref

Supplementary material to "Reconciling single chamber Mg/Ca with whole test δ18O in surface to deep dwelling planktonic foraminifera from the Mozambique Channel"

2014-12-12 | Preprint
DOI: 10.5194/bgd-11-17255-2014-supplement
Contributors: J. Steinhardt; C. Cléroux; L. de Nooijer; G.-J. Brummer; R. Zahn; G. Ganssen; G.-J. Reichart
Source: check_circle
Crossref
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