Publications & Outreach

Research papers

Ezat, M.M., Fahl, K., Rasmussen T.L. (2024). Arctic freshwater outflow suppressed Nordic Seas overturning and oceanic heat transport during the Last Interglacial. Nature communications , 15(1), 8998. https://doi.org/10.1038/s41467-024-53401-3
Sykes, F.E., Meilland, J., Westgård, A., Chalk, T.B., Chierici, M., Foster, G.L., Ezat, M.M. (2024). Large-scale culturing of the subpolar foraminifera Globigerina bulloides reveals tolerance to a large range of environmental parameters associated to different life-strategies and an extended lifespan. Journal of Plankton Research, 46(4), 403-420. https://doi.org/10.1093/plankt/fbae029
El bani Altuna, N., Ezat, M.M., Smik, L., Muschitiello, F., Belt, S.T., Knies, J., Rasmussen, T.L. (2024). Sea ice-ocean coupling during Heinrich Stadials in the Atlantic–Arctic gateway. Scientific Reports, 14, 1065. https://doi.org/10.1038/s41598-024-51532-7
Westgård, A., Ezat, M.M., Chalk, T.B., Chierici, M., Foster, G.L., Meilland, J. (2023). Large-scale culturing of Neogloboquadrina pachyderma, its growth in, and tolerance of, variable environmental conditions. Journal of Plankton Research, fbad034. https://doi.org/10.1093/plankt/fbad034
Greco, M., Westgård, A., Sykes, F.E., Ezat, M.M., Meilland, J. (2023). Uncovering hidden structures: previously undescribed pseudopodia and ectoplasmic structures in planktonic foraminifera. Journal of Plankton Research, fbad031. https://doi.org/10.1093/plankt/fbad031
Plaza-Faverola, A., Sultan, N., Lucchi, R.G., El bani Altuna, N., Ramachandran, H., Singhroha, S., Cooke, F., Vadakkepuliyambatta, S., Ezat, M.M., Rasmussen, T.L. (2023). Spatial changes in gas transport and sediment stiffness influenced by regional stress: Observations from piezometer data along Vestnesa Ridge, eastern Fram Strait. Journal of Geophysical Research: Solid Earth, e2022JB025868. http://doi.org/10.1029/2022JB025868
Meilland, J., Ezat, M.M., Westgård, A., Manno, C., Morard, R., Siccha, M., Kucera, M. (2022) . Rare but persistent asexual reproduction explains the success of planktonic foraminifera in polar oceans. Journal of Plankton Research, https://doi.org/10.1093/plankt/fbac069
Larkin, C.S., Ezat, M.M., Roberts, N.L., Bauch, H.A., Spielhagen, R.F., Noormets, R., Polyak, L., Moreton, S.G., Rasmussen, T.L., Sarnthein, M., Tipper, E.T., Piotrowski, A.M. (2022). Active nordic seas deep-water formation during the last glacial maximum. Nature Geoscience. https://doi.org/10.1038/s41561-022-01050-w
El bani Altuna, N., Rasmussen, T.L., Ezat, M.M., Vadakkepuliyambatta, S., Groeneveld, J., Greaves, M. (2021). Deglacial bottom water warming intensified Arctic methane seepage in the NW Barents Sea. Communications Earth & Environment, 2, 188. https://doi.org/10.1038/s43247-021-00264-x
Ezat, M.M., Rasmussen, T.L., Hain, M.P., Greaves, M., Rae, J.W.B., Zamelczyk, K., Marchitto, T.M., Szidat, S., Skinner, L.C. (2021). Deep ocean storage of heat and CO₂ in the Fram Strait, Arctic Ocean during the last glacial period. Paleoceanography and Paleoclimatology, 36, e2021PA004216. https://doi.org/10.1029/2021PA004216
Telesiński, M.M., Ezat, M.M., Muschitiello, F., Bauch, H.A., Spielhagen, R.F. (2021). Ventilation history of the Nordic Seas deduced from pelagic-benthic radiocarbon age offsets. Geochemistry, Geophysics, Geosystems, 22, e2020GC009132. https://doi.org/10.1029/2020GC009132

Scientific presentations

Sykes, F.E., Meilland J., Westgård, A., Chalk, T.B., Chierici, M., Foster, G.L., Ezat, M.M. (18-04-2024). The response of planktic foraminifera Globigerina bulloides to changing environmental parameters through extensive culturing experiments. EGU General Assembly 2024, Vienna, Austria, EGU24-19630, https://doi.org/10.5194/egusphere-egu24-17424
Westgård, A., Meilland, J., Sykes, F.E., Chalk, T.B., Foster, G.L., Chierici, M., Ezat, M.M. (16-04-2024). Developing trace element proxy callibrations for reconstructing polar surface ocean hydrography based on labratory grown planktonic foraminifera Neogloboquadrina pachyderma. EGU General Assembly 2024, Vienna, Austria, EGU24-17424, https://doi.org/10.5194/egusphere-egu24-19630
Vadsaria, T., Ezat, M.M., Roche, D., Bakker, P., Dutay, J.-C., Ayache, M., Bouttes, N. (18-07-2023). Implementation of the Neodymium oceanic cycle in the iLOVECLIM Earth System Model. Poster presentation at XXI INQUA 2023, Rome, Italy.
El bani Altuna, N., Ezat, M.M., Smik, L., Muschitiello, F., Belt, S.T., Greaves, M., Knies, J., Rasmussen, T.L. (15-03-2023). Sea ice-ocean coupling in the Atlantic-Artic gateway during the last glacial period. Talk at Department of Geography, University of Cambridge, Cambridge, UK.
Sykes, F.E., Ezat, M.M., Meilland J., Westgård, A., Chalk, T.B., Foster, G.L., Milton, A., Chierici, M. (22-02-2023). High latitude ocean hydrography and circulation during warmer-than-present time periods through the development and application of new proxy methods. Talk, ARCLIM-ARCTOS seminar, Tromsø, Norway.
Westgård, A., Ezat, M.M., Meilland, J., Foster, G.L., Sykes, F.E., Chalk, T.B., Milton, A., Chierici, M. (22-02-2023). Large scale culture of planktic foraminifera towards establishing a new proxy toolbox for reconstructing high latitude paleoceanography. Talk, ARCLIM-ARCTOS seminar, Tromsø, Norway.
El bani Altuna, N., Ezat, M.M., Rasmussen, T.L., Chalk, T.B., Vadakkepuliyambatta, S., Groeneveld, J., Greaves, M., Piotrowski, A. (22-02-2023). Reconstructing ocean circulation in the Nordic Seas: why do we care and how do we do it. Talk, ARCLIM-ARCTOS seminar, Tromsø, Norway.
Vadsaria, T., Ezat, M.M., Roche, D., Bakker, P., Dutay, J.-C., Ayache, M., Bouttes, N. (22-02-2023). Implementation of the Neodymium oceanic cycle in the iLOVECLIM Earth System Model. Talk, ARCLIM-ARCTOS seminar, Tromsø, Norway.
El bani Altuna, N., Ezat, M.M., Rasmussen, T.L., Chalk, T.B., Vadakkepuliyambatta, S., Groeneveld, J., Greaves, M., Piotrowski, A. (01-12-2022). Reconstructing ocean circulation in the Nordic Seas: why do we care and how do we do it. Talk, Isotope Day, Department of Earth Sciences, University of Cambridge, Cambridge, UK.
El bani Altuna, N., Ezat, M.M., Smik, L., Muschitiello, F., Belt, S.T., Knies, J., Greaves, M., Rasmussen, T.L. (27-10-2022). Sea ice-ocean coupling during Heinrich Stadials in the Nordic Seas. Seminar, PaleoPERCS, Online.
El bani Altuna, N., Ezat, M.M., Smik, L., Muschitiello, F., Belt, S.T., Knies, J., Rasmussen, T.L. (01-09-2022). Sea ice-ocean coupling during Heinrich Stadials in the Nordic Seas. Poster, 14^th International Conference on Paleoceanography, Bergen, Norway.
Ezat, M.M., Westgård, A., Sykes, F.E., Meilland, J., Foster, G.L., El bani Altuna, N., Larkin, C., Chalk, TB., Zamelczyk, K., Rasmussen, T.L., Skinner L.C., Piotrowski, A., Kucera, M., Olsen, J., Muschitiello, F., Smik, L., Belt, S.T., Groeneveld, J., Hönisch, B., Polyak, L., Spielhagen, R.F., Risebrobakken, B., Milton, J.A., Stein, R., Fahl, K., Raitsch, M., Telesiński, M., Hoff, U. (30-08-2022). An Arctic perspective on glacial ocean and climate changes. Pleanary talk, 14^th International Conference on Paleoceanography, Bergen, Norway.
Westgård, A., Meilland, J., Chalk, T.B., Milton, J.A., Foster, G.L., Kucera, M., Ezat, M.M. (23/27-05-2022). Development of a proxy toolbox for reconstructing polar ocean surface hydrography based on large-scale culturing of the planktic foraminifera Neogloboquadrina pachyderma. EGU General Assembly 2022, Vienna, Austria, EGU22-4466, https://doi.org/10.5194/egusphere-egu22-4466
Westgård, A., Meilland, J., Chalk, T. B., Milton, J.A., Foster, G.L., Kucera, M., Ezat, M.M. (18-11-2021). Preliminary results from large-scale culturing experiments on N. pachyderma: Development of a proxy toolbox for polar ocean surface hydrography. The Micropaleontological Society (TMS) Annual Conference 2021, Online.

Outreach activities

Sykes, F.E., Westgård, A. (2024) Ny studie av plankton kan endre vårt syn på fortidens klima. Popular science article for forskersonen.no. Read it here (only in Norwegian).
Sykes, F.E. (04-11-2024). Fjelltoppen, havbunnen og alt som ligger mellom. Arctic Frontiers Science for Schools Inspiration Days, Tromsø, Norway.
Sykes, F.E. (30-01-2024). How to Catch a Seamonster. Arctic Frontiers Pecha Kucha science outreach event, Tromsø, Norway.
Barrenechea Angeles, I., El bani Altuna, N., Sykes, F.E. (30-09-2023). IG contributors to Forskningsdagene, Tromsø, Norway.
Sykes, F.E. (10-09-2023). Geologiens Dag i Troms & Finnmark. IG coordinator, in collaboration with NGF Tromsø and The Arctic University Museum of Norway, Tromsø, Norway.
El bani Altuna, N. (20-07-2023). Lurreko klimaren diagnostikoa: atzo, gaur eta bihar / Diagnostic of Earth's climate: past, present and future. Seminar at ITA 2023. Izarra/Online.
El bani Altuna, N. (17-05-2023). Iraganari begira klima aldaketa ulertzeko / Looking to the past to understand climate change. Lecture at CONFINT Euskadi 2023. Ekoetxea, Urdaibai.
Sykes, F.E. (27-04-2023). Foraminifera och klimatförändring. Seminar and practical activity for scouts at Mälärhöjden Scoutkår, Stockholm, Sweden.
El bani Altuna, N. (25-04-2023) Iraganaren gaurkotasunaz, Naima El Banirekin. Interview at Kinka, podcast show at Berria (Basque Newspaper). Listen to it here.
Sykes, F.E. (19-04-2023) Vakre minatyrorganismer fra havet: Hva forteller de oss om klimaet? Seminar for high school students from Nordkjosbotn videregående skole, Tromsø, Norway.
Sykes, F.E. (02-03-2023) Vakre minatyrorganismer fra havet: Hva forteller de oss om klimaet? Seminar at UiT open day, Tromsø, Norway.
El bani Altuna, N., Anglada-Ortiz, G., Melaniuk, K., Ofstad, S., Ezat, M.M., Sztybor, K., Lockwood-Ireland, C., Rasmussen, T.L. (2022). Små, men fulle av gode historier: hva kan kalkskjellene til små havdyr fortelle oss om moderne klimaendringer og metanlekkasjer? Ottar Hefte - Metanlekkaser i Arktis - hvordan påvirker de klima og miljo, 3, 342. Read about it here (only in Norwegian).
El bani Altuna, N. (01-10-2022). Iraganari begira geroa ulertzeko: klima aldaketari begirada geologiatik / Looking to the past to understand the future: studying climate change from geology. Seminar at Ekotopaketak, Santurtzi/Online.
Sykes, F.E., Ezat, M.M., Meilland, J., Westgård, A., Chalk, T.B., Foster, G.L. (14-09-2022). The Secret Life of Globigerina bulloides. Seminar at Pint of Science, Tromsø, Norway. Read about it here.
Sykes, F.E. (10-09-2022). Geologiens Dag i Troms & Finnmark. Main organiser, Tromsø, Norway.
Sykes, F.E. (09-09-2022). Hvorfor skal vi engasjere unge i geo- og klimaforskning? Radio Interview for NRK Radio Troms og Finmark.
Chalk, T.B. (09-05-2022). Visions of the Arctic, from inside of a clean laboratory. Seminar at Arctic Frontiers 2022 Petcha Kucha, Tromsø, Norway.
Westgård, A. (24-11-2021). The tools to understanding Earths past and future climate. Seminar at Arctic Frontiers 2022 Science for Schools Inspiration Day, Tromsø, Norway. Read about it here.
Ezat. M.M. (2021). A quote in the New York Times magazine article: This Ocean invaded its neighbor earlier than anyone thought. Read about it here.