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Dr Thomas, Helmuth

Koninklijk Nederlands Instituut voor Onderzoek der Zee (NIOZ), more

A1 Publications (19) [show]
Johnson, M.; van Doorn, E.; Hilmi, N.; Marandino, C.; McDonald, N.; Thomas, H.; Allemand, D.; Algarin, L.D.; Lebleu, L.; Ho, D.T.; Oloyede, M.; Safa, A.; Swarzenski, P. (2024). Can coastal and marine carbon dioxide removal help to close the emissions gap? Scientific, legal, economic, and governance considerations. Elem. Sci. Anth. 12(1): 1-20. https://dx.doi.org/10.1525/elementa.2023.00071, more Whitmore, L.M.; Shiller, A.M.; Horner, T.J.; Xiang, Y.; Auro, M.E.; Bauch, D.; Dehairs, F.; Lam, P.J.; Li, J.; Maldonado, M.T.; Mears, C.; Newton, R.; Pasqualini, A.; Planquette, H.; Rember, R.; Thomas, H. (2022). Strong margin influence on the Arctic ocean barium cycle revealed by pan-Arctic synthesis. JGR: Oceans 127(4): e2021JC017417. https://dx.doi.org/10.1029/2021JC017417, more Van Dam, B.R.; Zeller, M.A.; Lopes, C.; Smyth, A.R.; Böttcher, M.E.; Osburn, C.L.; Zimmerman, T.; Pröfrock, D.; Fourqurean, J.W.; Thomas, H. (2021). Calcification-driven CO₂ emissions exceed “Blue Carbon” sequestration in a carbonate seagrass meadow. Science Advances 7(51): eabj1372. https://dx.doi.org/10.1126/sciadv.abj1372, more Marandino, C.; van Doorn, E.; McDonald, N.; Johnson, M.; Açma, B.; Brévière, E.; Campen, H.; Carou, S.; Cocco, E.; Endres, S.; Hilmi, N.; Hopkins, F.; Liss, P.; Maes, F.; Mårtensson, M.; Oeffner, J.; Oloyede, M.; Peters, A.; Quack, B.; Singh, P.; Thomas, H. (2020). From monodisciplinary via multidisciplinary to an interdisciplinary approach investigating air-sea interactions - a SOLAS initiative. Coast. Manage. 48(4): 238-256. https://hdl.handle.net/10.1080/08920753.2020.1773208, more Mears, C.; Thomas, H.; Henderson, P.B.; Charette, M.A.; MacIntyre, H.; Dehairs, F.; Monnin, C.; Mucci, A. (2020). Using ²²⁶Ra and ²²⁸Ra isotopes to distinguish water mass distribution in the Canadian Arctic Archipelago. Biogeosciences 17(20): 4937-4959. https://hdl.handle.net/10.5194/bg-17-4937-2020, more Meyer, M.; Pätsch, J.; Geyer, B.; Thomas, H. (2018). Revisiting the estimate of the North Sea air-sea flux of CO₂ in 2001/2002: the dominant role of different wind data products. JGR: Biogeosciences 123(5): 1511-1525. https://dx.doi.org/10.1029/2017JG004281, more Burt, W.J.; Thomas, H.; Hagens, M.; Pätsch, J.; Clargo, N.; Salt, L.A.; Winde, V.; Böttcher, M.E. (2016). Carbon sources in the North Sea evaluated by means of radium and stable carbon isotope tracers. Limnol. Oceanogr. 61: 666-683. dx.doi.org/10.1002/lno.10243, more Charette, M.A.; Lam, P.J.; Lohan, M.C.; Kwon, E.Y.; Hatje, V.; Jeandel, C.; Shiller, A.M.; Cutter, G.A.; Thomas, A.; Boyd, P.W.; Homoky, W.B.; Milne, A.; Thomas, H.; Andersson, P.S.; Porcelli, D.; Tanaka, T.; Geibert, W.; Dehairs, F.; Garcia-Orellana, J. (2016). Coastal ocean and shelf-sea biogeochemical cycling of trace elements and isotopes: lessons learned from GEOTRACES. Philos. Trans. - Royal Soc., Math. Phys. Eng. Sci. 374(2081): 19 pp. https://dx.doi.org/10.1098/rsta.2016.0076, more Salt, S.; Thomas, H.; Bozec, Y.; Borges, A.V.; de Baar, H.J.W (2016). The internal consistency of the North Sea carbonate system. J. Mar. Syst. 157: 52-64. dx.doi.org/10.1016/j.jmarsys.2015.11.008, more Clargo, N.C.; Salt, L.A.; Thomas, H.; de Baar, H.J.W. (2015). Rapid increase of observed DIC and pCO₂ in the surface waters of the North Sea in the 2001-2011 decade ascribed to climate change superimposed by biological processes. Mar. Chem. 177: 566-581. https://dx.doi.org/10.1016/j.marchem.2015.08.010, more Jiao, N.; Legendre, L.; Robinson, C.; Thomas, H.; Luo, Y.-W.; Dang, H.; Liu, J.; Zhang, R.; Tang, K.; Luo, T.; Li, C.; Wang, X.; Zhang, C. (2015). Comment on "Dilution limits dissolved organic carbon utilization in the deep ocean". Science (Wash.) 350(6267): 1483-1483. http://dx.doi.org/10.1126/science.aab2713, more Salt, L.A.; Thomas, H.; Prowe, A.E.; Borges, A.V.; Bozec, Y.; de Baar, H.J.W. (2013). Variability of North Sea pH and CO₂ in response to North Atlantic Oscillation forcing. J. Geophys. Res. Biogeosciences; 118(4): 1584-1592. http://dx.doi.org/10.1002/2013JG002306, more Thomas, H.; Shadwick, E.; Dehairs, F.; Lansard, B.; Mucci, A.; Navez, J.; Gratton, Y.; Prowe, F.; Chierici, M.; Fransson, A.; Papakyriakou, T.N.; Sternberg, E.; Miller, L.A.; Tremblay, J.-E.; Monnin, C. (2011). Barium and carbon fluxes in the Canadian Arctic Archipelago. J. Geophys. Res. 116(C9): 16 pp. http://dx.doi.org/10.1029/2011JC007120, more Bozec, Y.; Thomas, H.; Elkalay, K.; de Baar, H.J.W. (2005). The continental shelf pump for CO₂ in the North Sea: evidence from summer observation. Mar. Chem. 93: 131-147. https://dx.doi.org/10.1016/j.marchem.2004.07.006, more Bozec, Y.; Bakker, D.C.E.; Hartmann, C.; Thomas, H.; Bellerby, R.G.J.; Nightingale, P.D.; Riebesell, U.; Watson, A.J.; de Baar, H.J.W. (2005). The CO₂ system in a Redfield context during an iron enrichment experiment in the Southern Ocean. Mar. Chem. 95(1-2): 89-105. https://dx.doi.org/10.1016/j.marchem.2004.08.004, more Thomas, H.; Bozec, Y.; de Baar, H.J.W.; Elkalay, K.; Frankignoulle, M.; Schiettecatte, L.-S.; Borges, A.V. (2005). The carbon budget of the North Sea. Biogeosciences 2(1): 87-96. https://dx.doi.org/10.5194/bg-2-87-2005, more Thomas, H.; Bozec, Y.; Elkalay, K.; de Baar, H.J.W.; Borges, A.V.; Schiettecatte, L.-S. (2005). Controls of the surface water partial pressure of CO₂ in the North Sea. Biogeosciences 2(4): 323-334. https://dx.doi.org/10.5194/bg-2-323-2005, more Thomas, H.; Bozec, Y.; Elkalay, K.; de Baar, H.J.W. (2004). Enhanced open ocean storage of CO₂ from shelf sea pumping. Science (Wash.) 304(5673): 1005-1008. https://dx.doi.org/10.1126/science.1095491, more Thomas, H.; Bozec, Y.; Elkalay, K.; de Baar, H.J.W. (2004). Response to comment on ‘‘Enhanced open ocean storage of CO₂ from shelf sea pumping’’. Science (Wash.) 306(5701): 1477d, more
Peer reviewed publications (3) [show]
Huthnance, J.; Weisse, R.; Wahl, T.; Thomas, H.; Pietrzak, J.; Souza, A.J.; Van Heteren, S.; Schmelzer, N.; van Beusekom, J.; Colijn, F.; Haigh, I.; Hjøllo, S.; Holfort, J.; Kent, E.C.; Kühn, W.; Loewe, P.; Lorkowski, I.; Mork, K.A.; Pätsch, J.; Quante, M.; Salt, L.; Siddorn, J.; Smyth, T.; Sterl, A.; Woodworth, P. (2016). Recent change - North Sea, in: Quante, M. et al. North Sea region climate change assessment. Regional Climate Studies, : pp. 85-136. http://dx.doi.org/10.1007/978-3-319-39745-0_3, more Thomas, H.; Bozec, Y.; Elkalay, K.; de Baar, H.J.W.; Borges, A.V.; Schiettecatte, L.-S. (2005). Controls of the surface water partial pressure of CO₂ in the North Sea. Biogeosci. Discuss. 2(4): 757-777, more Thomas, H.; Bozec, Y.; de Baar, H.J.W.; Elkalay, K.; Frankignoulle, M.; Schiettecatte, L.-S.; Borges, A.V. (2004). The carbon budget of the North Sea. Biogeosci. Discuss. 1: 367-392, more
Book chapters (9) [show]
Elkalay, K.; Khalil, K.; Thomas, H.; Bozec, Y.; Ruardij, P.; de Baar, H. (2012). Biogeochemical 1D ERSEM ecosystem model applied to recent carbon dioxide and nutrient data in the North Sea, in: Jordán, F. et al. Models of the ecological hierarchy: from molecules to the ecosphere. Developments in environmental modelling, 25: pp. 275-294. https://dx.doi.org/10.1016/b978-0-444-59396-2.00017-1, more Thomas, H.; Shadwick, E.; DeHairs, F.; Lansard, B.; Navez, J.; Gratton, Y.; Prowe, F.; Mucci, A.; Chierici, M.; Fransson, A.; Papakyriakou, T.; Sternberg, E.; Miller, L.A. (2011). Barium and Carbon fluxes in the Canadian Arctic Archipelago, in: 43^rd international Liège colloquium on ocean dynamics "Tracers of physical and biogeochemical processes, past changes and ongoing anthropogenic impacts" - May 2-6, 2011. pp. 1, more MacCracken, M.; Escobar-Briones, E.; Gilbert, D.; Korotaev, G.; Naqvi, W.; Perillo, G.M.E.; Rixen, T.; Stanev, E.; Sundby, B.; Thomas, H.; Unger, D.; Urban Jr., E.R. (2008). Vulnerability of semi-enclosed marine systems to environmental disturbances, in: Urban Jr., E.R. et al. (Ed.) Watersheds, bays, and bounded seas: The science and management of semi-enclosed marine systems. Scientific Committee on Problems of the Environment (SCOPE) Series, 70: pp. 9-29, more Thomas, H.; Unger, D.; Zhang, J.; Liu, K.-K.; Shadwick, E.H. (2008). Biogeochemical cycling in semi-enclosed marine systems and continental margins, in: Urban Jr., E.R. et al. (Ed.) Watersheds, bays, and bounded seas: The science and management of semi-enclosed marine systems. Scientific Committee on Problems of the Environment (SCOPE) Series, 70: pp. 169-190, more Bozec, Y.; Thomas, H.; Schiettecatte, L.-S.; Borges, A.V.; Elkalay, K.; de Baar, H.J.W. (2005). Assessment of the processes controlling the seasonal variations of dissolved inorganic carbon in the North Sea, in: Bozec, Y. Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. pp. 75-111, more Bozec, Y.; Thomas, H.; Elkalay, K.; de Baar, H.J.W. (2005). The continental shelf pump for CO₂ in the North Sea: evidence from summer observation, in: Bozec, Y. Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. pp. 37-61, more Bozec, Y.; Bakker, D.C.E.; Hartmann, C.; Thomas, H.; Bellerby, R.G.J.; Nightingale, P.D.; Riebesell, U.; Watson, A.J.; de Baar, H.J.W. (2005). The CO₂ system in a Redfield context during an iron enrichment experiment in the Southern Ocean, in: Bozec, Y. Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. pp. 135-159, more Thomas, H.; Bozec, Y.; Elkalay, K.; de Baar, H.J.W. (2005). Enhanced open ocean storage of CO₂ from shelf sea pumping, in: Bozec, Y. Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. pp. 63-73, more Thomas, H.; Bozec, Y.; de Baar, H.J.W.; Elkalay, K.; Frankignoulle, M.; Schiettecatte, L.-S.; Borges, A.V. (2005). The carbon budget of the North Sea, in: Bozec, Y. Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. pp. 113-132, more
Other publications (2) [show]
Cullen, J.; Hay, A.; Ritchie, H.; Hartwell, S.; Kirchhoff, S.; Bowen, T.; Dowd, M.; Greenan, B.; Hamilton, J.; Hannah, C.G.; Lewis, M.; Perrie, W.; Sheng, J.; Smith, P.; Thomas, H.; Vézina, A. (2008). The Lunenburg Bay Project. CMOS Bulletin 36(6): 199-205, more Thomas, H.; Gattuso, J.P.; Smith, S.V. (2003). Coastal biogeochemistry at the EGS-AGU-EUG Joint Assembly, Nice, France, 6-11 April 2003. LOICZ Newsletter 28: 1-4, more
Thesis (co-)promotor (2) [show]
Salt, L.A. (2014). Process studies of the carbonate system in coastal and ocean environments of the Atlantic Ocean. PhD Thesis. Rijksuniversiteit Groningen: [s.l.]. ISBN 978-90-367-6851-1. 212 pp. hdl.handle.net/11370/ed2fd56e-0fd4-4cb0-a1c8-c11635b86c5b, more Bozec, Y. (2005). Process studies of the biological pump of carbon dioxide in the North Sea and Southern Ocean. PhD Thesis. Rijksuniversiteit Groningen: Groningen. ISBN 90-367-2355-8. 215 pp., more

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