Niels van Helmond
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Cretaceous sea-surface temperature evolution: Constraints from TEX86 and planktonic foraminiferal oxygen isotopes
CL O'Brien, SA Robinson, RD Pancost, JSS Damsté, S Schouten, DJ Lunt, ...
Earth-Science Reviews 172, 224-247, 2017
A perturbed hydrological cycle during Oceanic Anoxic Event 2
NAGM van Helmond, A Sluijs, GJ Reichart, JS Sinninghe Damsté, ...
Geology 42 (2), 123-126, 2014
Iron oxide reduction in methane-rich deep Baltic Sea sediments
M Egger, M Hagens, CJ Sapart, N Dijkstra, NAGM van Helmond, ...
Geochimica et Cosmochimica Acta 207, 256-276, 2017
Ocean circulation in the Toarcian (Early Jurassic): A key control on deoxygenation and carbon burial on the European shelf
I Ruvalcaba Baroni, A Pohl, NAGM van Helmond, NM Papadomanolaki, ...
Paleoceanography and Paleoclimatology 33 (9), 994-1012, 2018
Freshwater discharge controlled deposition of Cenomanian–Turonian black shales on the NW European epicontinental shelf (Wunstorf, northern Germany)
N Van Helmond, A Sluijs, JS Sinninghe Damsté, GJ Reichart, S Voigt, ...
Climate of the Past 11 (3), 495-508, 2015
Spatial extent and degree of oxygen depletion in the deep proto‐North Atlantic basin during Oceanic Anoxic Event 2
NAGM van Helmond, I Ruvalcaba Baroni, A Sluijs, JS Sinninghe Damsté, ...
Geochemistry, Geophysics, Geosystems 15 (11), 4254-4266, 2014
Marine productivity leads organic matter preservation in sapropel S1: palynological evidence from a core east of the Nile River outflow
NAGM van Helmond, R Hennekam, TH Donders, FPM Bunnik, ...
Quaternary Science Reviews 108, 130-138, 2015
Equatorward phytoplankton migration during a cold spell within the Late Cretaceous super-greenhouse
NAGM van Helmond, A Sluijs, NM Papadomanolaki, AG Plint, DR Gröcke, MA ...
Biogeosciences 13 (9), 2859-2872, 2016
Long-distance oak supply in mid-2nd century AD revealed: the case of a Roman harbour (Voorburg-Arentsburg) in the Netherlands
M Domínguez-Delmás, M Driessen, I García-González, ...
Journal of Archaeological Science 41, 642-654, 2014
Large variations in iron input to an oligotrophic Baltic Sea estuary: impact on sedimentary phosphorus burial
WK Lenstra, M Egger, NAGM Van Helmond, E Kritzberg, DJ Conley, ...
Biogeosciences 15 (22), 6979-6996, 2018
The shelf-to-basin iron shuttle in the Black Sea revisited
WK Lenstra, M Hermans, MJM Séguret, R Witbaard, T Behrends, ...
Chemical Geology 511, 314-341, 2019
Shelf hypoxia in response to global warming after the Cretaceous-Paleogene boundary impact
J Vellekoop, L Woelders, NAGM van Helmond, S Galeotti, J Smit, ...
Geology 46 (8), 683-686, 2018
Biogeochemistry of the North Atlantic during oceanic anoxic event 2: role of changes in ocean circulation and phosphorus input
I Ruvalcaba Baroni, RPM Topper, NAGM van Helmond, H Brinkhuis, ...
Biogeosciences 11 (4), 977-993, 2014
Abundance and Biogeochemical Impact of Cable Bacteria in Baltic Sea Sediments
M Hermans, W Lenstra, S Hidalgo-Martinez, NAGM van Helmond, ...
Environmental science & technology 53 (13), 7494-7503, 2019
Reconstructing Holocene temperature and salinity variations in the western Baltic Sea region: a multi-proxy comparison from the Little Belt (IODP Expedition 347, Site M0059)
U Kotthoff, J Groeneveld, JL Ash, AS Fanget, NQ Krupinski, O Peyron, ...
Biogeosciences 14 (23), 5607-5632, 2017
Impact of natural re-oxygenation on the sediment dynamics of manganese, iron and phosphorus in a euxinic Baltic Sea basin
M Hermans, WK Lenstra, NAGM van Helmond, T Behrends, M Egger, ...
Geochimica et Cosmochimica Acta 246, 174-196, 2019
Seasonal hypoxia was a natural feature of the coastal zone in the Little Belt, Denmark, during the past 8 ka
NAGM van Helmond, NBQ Krupinski, BC Lougheed, SP Obrochta, ...
Marine Geology 387, 45-57, 2017
Land-sea coupling of early Pleistocene glacial cycles in the southern North Sea exhibit dominant Northern Hemisphere forcing
TH Donders, NAGM van Helmond, R Verreussel, D Munsterman, ...
Climate of the Past 14 (3), 397-411, 2018
Microbial community composition and functional potential in Bothnian Sea sediments is linked to Fe and S dynamics and the quality of organic matter
O Rasigraf, NAGM van Helmond, J Frank, WK Lenstra, M Egger, ...
Limnology and oceanography 65, S113-S133, 2020
Controls on the onset and termination of past hypoxia in the Baltic Sea
NM Papadomanolaki, N Dijkstra, NAGM van Helmond, M Hagens, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 490, 347-354, 2018
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