Publications
2021
Scholarly publications
Dalcin-Martins, P., de Jong, A., Lenstra, W., van Helmond, N., Slomp, C., Jetten, M. S. M., Welte, C. U., & Rasigraf, O. (2021). Enrichment of novel Verrucomicrobia, Bacteroidetes, and Krumholzibacteria in an oxygen‐limited methane‐ and iron‐fed bioreactor inoculated with Bothnian Sea sediments. Open Microbiology Journal, 10(1), [e1175]. https://doi.org/10.1002/mbo3.1175
2020
Scholarly publications
Orozco Ramirez, L. E., Lenstra, W. K., van Helmond, N. A. G. M., Jetten, M. S. M., & Slomp, C. P. (2020). Manganese-dependent anaerobic oxidation of methane in coastal sediments. Abstract from Nederlands Aardwetenschappelijk Congres 2020, Utrecht, Netherlands.
van Helmond, N. A. G. M., Lenstra, W. K., Dalcin Martins, P., Orozco Ramirez, L. E., Hermans, M., Jetten, M. S. M., & Slomp, C. P. (2020). Methane dynamics in sediments of the eutrophic Stockholm Archipelago, Baltic Sea. Abstract from NESSC day 2020, Utrecht, Netherlands.
van Helmond, N. A. G. M., Hermans, M., Bastiaan, T., Lenstra, W. K., Haas, S., Carstensen, J., Conley, D. J., & Slomp, C. P. (2020). Phosphorus dynamics in sediments of the Stockholm Archipelago, Baltic Sea. Abstract from Nederlands Aardwetenschappelijk Congres 2020, Utrecht, Netherlands.
Percival, L. M. E., van Helmond, N. A. G. M., Selby, D., Goderis, S., & Claeys, P. (2020). Links between temperature changes and oceanic-plateau emplacement during the Cenomanian–Turonian Oceanic Anoxic Event (OAE 2). Abstract from EGU General Assembly 2020, Vienna, Austria. https://doi.org/10.5194/egusphere-egu2020-13304
Percival, L. M. E., van Helmond, N. A. G. M., Selby, D., Goderis, S., & Claeys, P. (2020). Complex Interactions Between Large Igneous Province Emplacement and Global-Temperature Changes During the Cenomanian-Turonian Oceanic Anoxic Event (OAE 2). Paleoceanography and Paleoclimatology, 35(10), [e2020PA004016]. https://doi.org/10.1029/2020PA004016
Van Helmond, N. A. G. M., Robertson, E. K., Conley, D. J., Hermans, M., Humborg, C., Kubeneck, L. J., Lenstra, W. K., & Slomp, C. P. (2020). Removal of phosphorus and nitrogen in sediments of the eutrophic Stockholm archipelago, Baltic Sea. Biogeosciences, 17(10), 2745-2766. https://doi.org/10.5194/bg-17-2745-2020
van Helmond, N. A. G. M., Lougheed, B. C., Vollebregt, A., Peterse, F., Fontorbe, G., Conley, D. J., & Slomp, C. P. (2020). Recovery from multi-millennial natural coastal hypoxia in the Stockholm Archipelago, Baltic Sea, terminated by modern human activity. Limnology and Oceanography, 65(12), 3085-3097. https://doi.org/10.1002/lno.11575
Slotznick, S. P., Sperling, E. A., Tosca, N. J., Miller, A. J., Clayton, K. E., van Helmond, N. A. G. M., Slomp, C. P., & Swanson-Hysell, N. L. (2020). Unraveling the Mineralogical Complexity of Sediment Iron Speciation Using Sequential Extractions. Geochemistry,Geophysics, Geosystems, 21(2), [e2019GC0088666]. https://doi.org/10.1029/2019GC008666
Rasigraf, O., van Helmond, N. A. G. M., Frank, J., Lenstra, W. K., Egger, M., Slomp, C. P., & Jetten, M. S. M. (2020). Microbial community composition and functional potential in Bothnian Sea sediments is linked to Fe and S dynamics and the quality of organic matter. Limnology and Oceanography, 65(S1), 5113-5133. https://doi.org/10.1002/lno.11371
2019
Scholarly publications
Percival, L. M. E., van Helmond, N. A. G. M., Snoeck, C., Goderis, S., & Claeys, P. (2019). Sedimentary markers of ocean plateau volcanism during the Cenomanian–Turonian Oceanic Anoxic Event. Abstract from Mass extinctions, recovery and resilience, Utrecht, Netherlands.
van Helmond, N. A. G. M., Robertson, E., Lenstra, W. K., Hermans, M., Humborg, C., Kubeneck, L. J., Conley, D. J., & Slomp, C. P. (2019). Efficient removal of nitrogen and phosphorus in the Stockholm Archipelago, Baltic Sea. Abstract from Nederlands Aardwetenschappelijk Congres 2019, Utrecht, Netherlands.
Percival, L. M. E., Tedeschi, L. R., Creaser, R. A., van Helmond, N. A. G. M., Snoeck, C., Debaille, V., Mattielli, N., Bottini, C., Erba, E., Goderis, S., Mather, T. A., Jenkyns, H. C., & Claeys, P. (2019). Sedimentary Markers of Ocean Plateau Volcanism during the Cretaceous Oceanic Anoxic Events.
Lenstra, W. K., van Helmond, N. A. G. M., Zygadlowska, O. M., van Zummeren, R., Witbaard, R., & Slomp, C. P. (2019). Release of Iron and Manganese from Louisiana Continental Shelf Sediments and Impact on the Water Column. Abstract from Goldschmidt 2019, Barcelona, Spain.
van Helmond, N. A. G. M., Ungerhofer, K. A., Hermans, M., Lenstra, W. K., & Slomp, C. P. (2019). Iron dynamics in marine sediments: new insights from a comparison of sequential extraction procedures. Abstract from Goldschmidt 2019, Barcelona, Spain.
Hermans, M., Lenstra, W. K., Hidalgo-Martinez, S., van Helmond, N. A. G. M., Witbaard, R., Meysman, F. J. R., Gonzalez, S., & Slomp, C. P. (2019). Abundance and Biogeochemical Impact of Cable Bacteria in Baltic Sea Sediments. Environmental Science & Technology, 53(13), 7494-7503. https://doi.org/10.1021/acs.est.9b01665
Lenstra, W. K., Hermans, M., Séguret, M. J. M., Witbaard, R., Behrends, T., Dijkstra, N., Van Helmond, N. A. G. M., Kraal, P., Laan, P., Rijkenberg, M. J. A., Severmann, S., Teacǎ, A., & Slomp, C. P. (2019). The shelf-to-basin iron shuttle in the Black Sea revisited. Chemical Geology, 511, 314-341. https://doi.org/10.1016/j.chemgeo.2018.10.024
Hermans, M., Lenstra, W. K., van Helmond, N. A. G. M., Behrends, T., Egger, M., Séguret, M. J. M., Gustafsson, E., Gustafsson, B. G., & Slomp, C. P. (2019). Impact of natural re-oxygenation on the sediment dynamics of manganese, iron and phosphorus in a euxinic Baltic Sea basin. Geochimica et Cosmochimica Acta, 246, 174-196. https://doi.org/10.1016/j.gca.2018.11.033
2018
Scholarly publications
Lenstra, W. K., Seguret, M. J. M., Hermans, M., Groeneveld, R., van Helmond, N. A. G. M., Witbaard, R., Severmann, S., Behrends, T., & Slomp, C. P. (2018). Transfer of Iron from Continental Shelves to Anoxic Basins: A Comparison of the Black Sea and Baltic Sea. Abstract from Goldschmidt 2018, Boston, United States.
van Helmond, N. A. G. M., Robertson, E., Lenstra, W. K., Hermans, M., Humborg, C., Conley, D. J., & Slomp, C. P. (2018). Efficient removal of nitrogen and phosphorus in a eutrophic coastal system recovering from hypoxia. Abstract from Ocean Deoxygenation Conference | Kiel 2018, Kiel, Germany. https://conference.sfb754.de/event/1/contributions/159/
Slotznick, S., Swanson-Hysell, N., Sperling, E., Miller, A. J., van Helmond, N. A. G. M., & Slomp, C. P. (2018). Probing Sequential Chemical Extractions for Iron Speciation Using Magnetic Methods. Abstract from Goldschmidt 2018, Boston, United States.
van Helmond, N. A. G. M., Lougheed, B., Vollebregt, A., Peterse, F., Fontorbe, G., Conley, D. J., & Slomp, C. P. (2018). Hypoxia in the Stockholm Archipelago over the Past 3 ka: A Natural Phenomenon or Human-Induced?. Abstract from Goldschmidt 2018, Boston, United States.
Lenstra, W. K., Egger, M., Van Helmond, N. A. G. M., Kritzberg, E., Conley, D. J., & Slomp, C. P. (2018). Large variations in iron input to an oligotrophic Baltic Sea estuary: impact on sedimentary phosphorus burial. Biogeosciences, 15(22), 6979-6996. https://doi.org/10.5194/bg-15-6979-2018
Zwiep, K. L., Hennekam, R., Donders, T. H., Van Helmond, N. A. G. M., De Lange, G. J., & Sangiorgi, F. (2018). Marine productivity, water column processes and seafloor anoxia in relation to Nile discharge during sapropels S1 and S3. Quaternary Science Reviews, 200, 178-190. https://doi.org/10.1016/j.quascirev.2018.08.026
Ruvalcaba Baroni, I., Pohl, A., van Helmond, N. A. G. M., Papadomanolaki, N. M., Coe, A. L., Cohen, A. S., Van de Schootbrugge, B., Donnadieu, Y., & Slomp, C. P. (2018). Ocean circulation in the Toarcian (Early Jurassic): A key control on deoxygenation and carbon burial on the European Shelf. Paleoceanography and Paleoclimatology, 33(9), 994-1012. https://doi.org/10.1029/2018PA003394
Van Helmond, N. A. G. M., Jilbert, T., & Slomp, C. P. (2018). Hypoxia in the Holocene Baltic Sea: Comparing modern versus past intervals using sedimentary trace metals. Chemical Geology, 493, 478-490. https://doi.org/10.1016/j.chemgeo.2018.06.028
Vellekoop, J., Woelders, L., van Helmond, N. A. G. M., Galeotti, S., Smit, J., Slomp, C. P., Brinkhuis, H., Claeys, P., & Speijer, R. P. (2018). Shelf hypoxia in response to global warming after the Cretaceous-Paleogene boundary impact. Geology, 46(8), 683-686. https://doi.org/10.1130/G45000.1
Donders, T., Van Helmond, N. A. G. M., Verreussel, R., Munsterman, D., Veen, J. T., Speijer, R. P., Weijers, J. W. H., Sangiorgi, F., Peterse, F., Reichart, G-J., Sinninghe Damsté, J. S., Lourens, L., Kuhlmann, G., & Brinkhuis, H. (2018). Land-sea coupling of early Pleistocene glacial cycles in the southern North Sea exhibit dominant Northern Hemisphere forcing. Climate of the Past, 14(3), 397-411. https://doi.org/10.5194/cp-14-397-2018
Papadomanolaki, N., Dijkstra, N., Van Helmond, N. A. G. M., Hagens, M., Bauersachs, T., Kotthoff, U., Sangiorgi, F., & Slomp, C. P. (2018). Controls on the onset and termination of past hypoxia in the Baltic Sea. Palaeogeography, Palaeoclimatology, Palaeoecology, 490, 347-354. https://doi.org/10.1016/j.palaeo.2017.11.012
2017
Scholarly publications
O'Brien, C. L., Robinson, S. A., Pancost, R. D., Sinninghe Damsté, J. S., Schouten, S., Lunt, D. J., Alsenz, H., Bornemann, A., Bottini, C., Brassell, S. C., Farnsworth, A., Forster, A., Huber, B. T., Inglis, G. N., Jenkyns, H. C., Linnert, C., Littler, K., Markwick, P., Mcanena, A., ... Wrobel, N. E. (2017). Cretaceous sea-surface temperature evolution: Constraints from TEX 86 and planktonic foraminiferal oxygen isotopes. Earth-Science Reviews, 172, 224-247. https://doi.org/10.1016/j.earscirev.2017.07.012
Kotthoff, U., Groeneveld, J., Ash, J., Fanget, A-S., Krupinski, N. Q., Peyron, O., Stepanova, A., Warnock, J., van Helmond, N. A. G. M., Passey, B. H., Clausen, O. R., Bennike, O., Andrén, E., Granoszewski, W., Andrén, T., Filipsson, H. L., Solveig-Seidenkrantz, M., Slomp, C. P., & Bauersachs, T. (2017). 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). Biogeosciences, 14(23), 5607-5632. https://doi.org/10.5194/bg-2017-101
van Helmond, N. A. G. M., Krupinski, N. Q., Lougheed, B., Obrochta, S., Andrén, T., & Slomp, C. P. (2017). Seasonal hypoxia was a natural feature of the coastal zone in the Little Belt, Denmark, during the past 8 ka. Marine Geology, 387, 45-57. [MARGO5602]. https://doi.org/10.1016/j.margeo.2017.03.008
Egger, M. J., Hagens, M., Sapart, C. J., Dijkstra, N., van Helmond, N. A. G. M., Mogollón, J. M., Risgaard-Petersen, N., van der Veen, C., Kasten, S., Riedinger, N., Böttcher, M. E., Röckmann, T., Barker Jorgensen, B., & Slomp, C. P. (2017). Iron oxide reduction in methane-rich deep Baltic Sea sediments. Geochimica et Cosmochimica Acta, 207, 256-276. https://doi.org/10.1016/j.gca.2017.03.019
Other output
Jilbert, T. S., Gustafsson, B. G., Veldhuijzen, S., Reed, D. C., van Helmond, N. A. G. M., & Slomp, C. P. (2017). Multidecadal oscillations in past Baltic Sea hypoxia: the role of sedimentary iron-phosphorus feedbacks. Geophysical Research Abstracts, 19.
https://dspace.library.uu.nl/bitstream/handle/1874/357542/Multidecadal.pdf?sequence=1
https://dspace.library.uu.nl/bitstream/handle/1874/357542/Multidecadal.pdf?sequence=1
van Helmond, N. A. G. M., Vollebregt, A., Peterse, F., Conley, D. J., & Slomp, C. P. (2017). Hypoxia in the Stockholm Archipelago during the last 3 ka: A natural phenomenon or human-induced?. Abstract from COCOA, Warnemunde, Germany.
van Helmond, N. A. G. M., Jilbert, T. S., & Slomp, C. P. (2017). Hypoxia in the Holocene Baltic Sea: comparing modern versus past intervals using sedimentary trace metals. Abstract from Goldschmidt 2017, Paris, France.
2016
Scholarly publications
van Helmond, N. A. G. M., Sluijs, A., Papadomanolaki, N., Plint, A. G., Gröcke, D., Pearce, M., Eldrett, J. S., Trabucho-Alexandre, J., Walaszczyk, I., van de Schootbrugge, B., & Brinkhuis, H. (2016). Equatorward phytoplankton migration during a cold spell within the Late Cretaceous super-greenhouse. Biogeosciences, 13(9), 2859-2872. https://doi.org/10.5194/bg-13-2859-2016
Other output
Kotthoff, U., Andrén, E., Andrén, T., Ash, J., Bauersachs, T., Fanget, A-S., Granoszewski, W., Groeneveld, J., Krupinski, N. Q., Peyron, O., Slomp, C. P., Stepanova, A., Warnock, J., & van Helmond, N. A. G. M. (2016). Reconstructing Holocene palaeo-environmental conditions in the Southwestern Baltic (Little Belt, IODP Expedition 347, Site M0059): A multi-proxy comparison. Poster session presented at 12th International Conference on Paleoceanography, Utrecht, Netherlands.
van Helmond, N. A. G. M., Lenstra, W. K., Egger, M. J., Conley, D. J., & Slomp, C. P. (2016). Dynamics of Fe, S, and CH4 and their role in the retention of phosphate in sediments of the Öre estuary. COCOA annual meeting, Gdynia, Poland.
Ruvalcaba Baroni, I., van Helmond, N. A. G. M., Cohen, A., Coe, A., Donnadieu, Y., & Slomp, C. P. (2016). Reconstructing the biogeochemistry of the European epicontinental shelf sea during the Toarcian Oceanic Anoxic Event. NAC 13, Veldhoven, Netherlands.
Vellekoop, J., Woelders, L., van Helmond, N. A. G. M., Galeotti, S., Smit, J., Slomp, C. P., Brinkhuis, H., Claeys, P., & Speijer, R. P. (2016). Hypoxia in coastal regions; a suffocating effect of global warming following the Cretaceous-Paleogene boundary impact. NAC 13, Veldhoven, Netherlands.
Papadomanolaki, N., Dijkstra, N., van Helmond, N. A. G. M., Hagens, M., Sangiorgi, F., Kothof, U., & Slomp, C. P. (2016). Salinity-induced stratification and the onset of hypoxia during the Holocene Thermal Maximum and the Medieval Climate. Poster session presented at NAC 13, Veldhoven, Netherlands.
van Helmond, N. A. G. M., & Slomp, C. P. (2016). Reconstructing the history of the Baltic Sea: Geochemical characterization of sediments capturing the Holocene in the Little Belt, Denmark. Poster session presented at NAC 13, Veldhoven, Netherlands.
Vellekoop, J., Woelders, L., van Helmond, N. A. G. M., Galeotti, S., Smit, J., Slomp, C. P., Brinkhuis, H., Claeys, P., & Speijer, R. P. (2016). Evidence for short-lived hypoxia in coastal regions following the Cretaceous-Paleogene boundary impact. Poster session presented at 12th International Conference on Paleoceanography, Utrecht, Netherlands.
van Helmond, N. A. G. M., & Slomp, C. P. (2016). Reconstructing the history of the Baltic Sea: Geochemical characterization of sediments capturing the Holocene in the Little Belt, Denmark. Poster session presented at 12th International Conference on Paleoceanography, Utrecht, Netherlands.
Slomp, C. P., Papadomanolaki, N., Dijkstra, N., van Helmond, N. A. G. M., Hagens, M., Bauersachs, T., Sangiorgi, F., & Kotthoff, U. (2016). Controls on the onset and termination of hypoxia in the Baltic Sea during the Holocene Thermal Maximum and the Medieval Climate Anomaly. Poster session presented at 12th International Conference on Paleoceanography, Utrecht, Netherlands.
Ruvalcaba, I., van Helmond, N. A. G. M., Cohen, A. S., Coe, A. L., Donnadieu, Y., & Slomp, C. P. (2016). Reconstructing the biogeochemistry of the European epicontinental shelf sea during the Toarcian Oceanic Anoxic Event. Poster session presented at 12th International Conference on Paleoceanography, Utrecht, Netherlands.
Hagens, M., Egger, M. J., Mogollon, J. M., Tsandev, I., Sapart, C. J., Dijkstra, N., van Helmond, N. A. G. M., Risgaard-Petersen, N., Kasten, S., Riedinger, N., Roeckmann, T., Barker Jorgensen, B., & Slomp, C. P. (2016). Diagenetic alterations of the Late Pleistocene and Holocene deep Baltic Sea sedimentary record. Poster session presented at NAC 13, Veldhoven, Netherlands. https://nacgeo.nl/conference-details/programme/poster/646
Papadomanolaki, N., Dijkstra, N., van Helmond, N. A. G. M., Sangiorgi, F., Hagens, M., Kotthoff, U., & Slomp, C. P. (2016). Salinity-induced stratification and the onset of hypoxia during the Holocene Thermal Maximum and the Medieval Climate Anomaly. Geophysical Research Abstracts, 18, [EGU2016-8544].
https://dspace.library.uu.nl/bitstream/handle/1874/329010/EGU2016_8544.pdf?sequence=1
https://dspace.library.uu.nl/bitstream/handle/1874/329010/EGU2016_8544.pdf?sequence=1
2015
Scholarly publications
Ruvalcaba, I., van Helmond, N. A. G. M., Tsandev, I., Middelburg, J. J., & Slomp, C. P. (2015). The nitrogen isotope composition of sediments from the proto-North Atlantic during Oceanic Anoxic Event 2. Paleoceanography, 30(7), 923-937. https://doi.org/10.1002/2014PA002744
van Helmond, N. A. G. M., Sluijs, A., Sinninghe Damsté, J. S., Reichart, G-J., Voigt, S., Erbacher, J., Pross, J., & Brinkhuis, H. (2015). Freshwater discharge controlled deposition of Cenomanian–Turonian black shales on the NW European epicontinental shelf (Wunstorf, northern Germany). Climate of the Past, 11, 495-508. https://doi.org/doi:10.5194/cp-11-495-2015
van Helmond, N. A. G. M., Hennekam, R., Donders, T. H., Bunnik, F. P. M., de Lange, G. J., Brinkhuis, H., & Sangiorgi, F. (2015). Marine productivity leads organic matter preservation in sapropel S1: palynological evidence from a core east of the Nile River outflow. Quaternary Science Reviews, 108, 130-138. https://doi.org/10.1016/j.quascirev.2014.11.014
van Helmond, N. A. G. M. (2015). Causes and consequences of widespread ocean anoxia in the past. UU Dept. of Earth Sciences.
https://dspace.library.uu.nl/bitstream/handle/1874/302132/Helmond.pdf?sequence=1
https://dspace.library.uu.nl/bitstream/handle/1874/302132/Helmond.pdf?sequence=1
Other output
Egger, M. J., Dijkstra, N., Sapart, C. J., van Helmond, N. A. G. M., Hagens, M., Risgaard-Petersen, N., Kasten, S., Riedinger, N., Röckmann, T., Jorgensen, B. B., & Slomp, C. P. (2015). Iron oxide reduction in deep Baltic Sea sediments: the potential role of anaerobic oxidation of methane. Poster session presented at IODP Expedition 347 Postcruise meeting, Stockholm, Sweden.
Hagens, M., Egger, M. J., Mogollon, J. M., Tsandev, I., Sapart, C. J., Dijkstra, N., van Helmond, N. A. G. M., Risgaard-Petersen, N., Kasten, S., Riedinger, N., Röckmann, T., Jorgensen, B. B., & Slomp, C. P. (2015). Diagenetic alterations over the Holocene at sites M0063 and M0065. Poster session presented at IODP Expedition 347 Postcruise meeting, Stockholm, Sweden.
Papadomanolaki, N., Dijkstra, N., van Helmond, N. A. G. M., Sangiorgi, F., Kothoff, U., & Slomp, C. P. (2015). Salinity-induced stratification and the onsetof hypoxia during the Holocene Thermal Maximum and the Medieval Climate Anomaly. Poster session presented at IODP Expedition 347 Postcruise meeting, Stockholm, Sweden.
van Helmond, N. A. G. M., & Slomp, C. P. (2015). Geochemical characterization of sediments capturing the lake-marine transition in the Little Belt. Poster session presented at IODP Expedition 347 Postcruise meeting, Stockholm, Sweden.
2014
Scholarly publications
van Helmond, N. A. G. M., Ruvalcaba Baroni, I., Sluijs, A., Sinninghe Damste, J. S., & Slomp, C. P. (2014). Spatial extent and degree of oxygen depletion in the deep proto-North Atlantic basin during Oceanic Anoxic Event 2. Geochemistry, Geophysics, Geosystems, 15(11), 4254-4266. https://doi.org/10.1002/2014GC005528
Ruvalcaba Baroni, I., Topper, R. P. M., van Helmond, N. A. G. M., Brinkhuis, H., & Slomp, C. P. (2014). Biogeochemistry of the North Atlantic during oceanic anoxic event 2: role of changes in ocean circulation and phosphorus input. Biogeosciences, 11, 977-993. https://doi.org/10.5194/bg-11-977-2014
Domínguez-Delmás, M., Driessen, M., García-González, I., van Helmond, N., Visser, R. M., & Jansma, E. (2014). Long-distance oak supply in mid-2nd century AD revealed: the case of a Roman harbour (Voorburg-Arentsburg) in the Netherlands. Journal of Archaeological Science, 41, 642-654. https://doi.org/10.1016/j.jas.2013.09.009
van Helmond, N. A. G. M., Sluijs, A., Reichart, G-J., Sinninghe Damsté, J. S., Slomp, C. P., & Brinkhuis, H. (2014). A perturbed hydrological cycle during Oceanic Anoxic Event 2. Geology, 42(2), 123-126. https://doi.org/10.1130/G34929.1
Other output
Ruvalcaba, I., van Helmond, N. A. G. M., Tsandev, I., Middelburg, J. B. M., & Slomp, C. P. (2014). Reassessing the nitrogen isotope composition of sediments from the proto-North Atlantic during Oceanic Anoxic Event 2. Poster session presented at Last Darwin Day & First NESSC and SIAM Day, Veldhoven, Netherlands.
https://dspace.library.uu.nl/bitstream/handle/1874/396787/NESSC2014_Nisotopes.pdf?sequence=1
https://dspace.library.uu.nl/bitstream/handle/1874/396787/NESSC2014_Nisotopes.pdf?sequence=1
van Helmond, N. A. G. M., Sluijs, A., Reichart, G. J., Sinninghe Damste, J. S., Slomp, C. P., & Brinkhuis, H. (2014). Employment of GDGTs in extreme climate event studies: the case of Oceanic Anoxic Event 2. Poster session presented at GDGT Workshop 2014, Texel, Netherlands.
van Helmond, N. A. G. M., Sluijs, A., Reichart, G. J., Sinninghe Damste, J. S., Slomp, C. P., & Brinkhuis, H. (2014). Employment of GDGTs in extreme climate event studies: the case of Oceanic Anoxic Event 2. Abstract from GDGT Workshop 2014, Texel, Netherlands.
van Helmond, N. A. G. M., Hennekam, F. M., Bunnik, F. P. M., Donders, T. H., de Lange, G. J., Brinkhuis, H., & Sangiorgi, F. (2014). A multi-centennial scale marine and terrestrial palynological record of eastern Mediterranean sapropel S1 in proximity of Nile River outflow. Poster session presented at NAC12: the 12th Netherlands Earth Sciences Conference, Veldhoven.
van Helmond, N. A. G. M., Hennekam, F. M., Bunnik, F. P. M., Donders, T. H., de Lange, G. J., Brinkhuis, H., & Sangiorgi, F. (2014). A multi-centennial scale marine and terrestrial palynological record of eastern Mediterranean sapropel S1 in proximity of Nile River outflow. Abstract from NAC12: the 12th Netherlands Earth Sciences Conference, Veldhoven.
2013
Other output
van Helmond, N. A. G. M., Hennekam, F. M., Bunnik, F. P. M., de Lange, G. J., Brinkhuis, H., & Sangiorgi, F. (2013). A multidecadal-scale marine and terrestrial palynological record of Eastern Mediterranean sapropel S1 near the Nile outflow. Abstract from 11th International Conference on Paleoceanography (ICP), Sitges, Spain.
van Helmond, N. A. G. M., Hennekam, F. M., Bunnik, F. P. M., de Lange, G. J., Brinkhuis, H., & Sangiorgi, F. (2013). A multidecadal-scale marine and terrestrial palynological record of Eastern Mediterranean sapropel S1 near the Nile outflow. Poster session presented at 11th International Conference on Paleoceanography (ICP), Sitges, Spain.
Donders, T. H., Verreussel, R., van Helmond, N. A. G. M., Weijers, J. W. H., Munsterman, D., Reichart, G-J., Speijer, R., Sinninghe Damsté, J. S., & ten Veen, J. (2013). Land-sea correlation of the Pliocene-Pleistocene transition and early glacial - interglacial cycles in the southern North Sea. Abstract from 2nd workshop on Pliocene climate, Bristol, UK.
2012
Other output
van Helmond, N. A. G. M., Sluijs, A., Reichart, G. J., Sinninghe Damste, J. S., Slomp, C. P., & Brinkhuis, H. (2012). Intensified hydrologic cycle and increased marine productivity during Oceanic Anoxic Event 2. Abstract from AGU Fall Meeting 2012, San Francisco, California, United States.
van Helmond, N. A. G. M., Sluijs, A., Reichart, G. J., Sinninghe Damste, J. S., Slomp, C. P., & Brinkhuis, H. (2012). The Cenomanian-Turonian Boundary Event (CTBE) of the New Jersey coastal plain: New insights from palynology and geochemistry.
van Helmond, N. A. G. M., Sluijs, A., Reichart, G. J., Sinninghe Damste, J. S., Slomp, C. P., & Brinkhuis, H. (2012). The Cenomanian-Turonian Boundary Event (CTBE) of the New Jersey coastal plain: New insights from palynology and geochemistry. Poster session presented at NAC 11, Veldhoven.
2011
Other output
van Helmond, N. A. G. M., Kouwenberg, L. L. R., Leereveld, H., Galeotti, S., de Boer, P. L., Weijers, J. W. H., Reichart, G-J., & Brinkhuis, H. (2011). Palynological and geochemical characterization of Late Albian black shales from the “Amadeus segment” in the Umbria-Marche basin, Central Italy.. Poster session presented at DINO9, Liverpool, UK.
van Helmond, N. A. G. M., Reed, D. C., Slomp, C. P., & Brinkhuis, H. (2011). Determining the roles of productivity and preservation during formation of sapropel S1 in the eastern Mediterranean.. Poster session presented at EGU General Assembly 2011, Vienna.
van Helmond, N. A. G. M., Kouwenberg, L. L. R., Leereveld, H., Galeotti, S., de Boer, P. L., Weijers, J. W. H., Reichart, G-J., & Brinkhuis, H. (2011). Palynological and geochemical characterization of Late Albian black shales from the “Amadeus segment” in the Umbria-Marche basin, Central Italy.. Poster session presented at EGU General Assembly 2011, Vienna.
van Helmond, N. A. G. M., Reed, D. C., Slomp, C. P., & Brinkhuis, H. (2011). Determining the roles of productivity and preservation during formation of sapropel S1 in the eastern Mediterranean.. Poster session presented at DINO9, Liverpool, UK.
van Helmond, N. A. G. M., Kouwenberg, L. L. R., Leereveld, H., Galeotti, S., de Boer, P. L., Weijers, J. W. H., Reichart, G-J., & Brinkhuis, H. (2011). Palynological and geochemical characterization of Late Albian black shales from the “Amadeus segment” in the Umbria-Marche basin, Central Italy.. Poster session presented at 8th Urbino Summer School in Paleoclimatology, Urbino, Italy.
2010
Other output
van Helmond, N. A. G. M., Weijers, J. W. H., Verreussel, R. H. C. M., Donders, T. H., Munsterman, D. K., Bunnik, F. P. M., Reichart, G. J., & Sinninghe Damsté, J. S. (2010). Combined palynological and organic geochemical reconstruction of marine and terrestrial climate of the Early Pleistocene in northwest Europe. Poster session presented at Poster at NAC10: the 10th Netherlands Earth Sciences Conference.
van Helmond, N. A. G. M., Weijers, J. W. H., Verreussel, R. H. C. M., Munsterman, D. K., Bunnik, F. P. M., Reichart, G-J., & Sinninghe Damsté, J. S. (2010). Combined palynological and organic geochemical reconstruction of marine and terrestrial climate for the Early Pleistocene in northwest Europe.. Poster session presented at 17th NSG Annual Symposium, Utrecht.