Hokkaido University, Hakodate, JAPAN

Central Arctic Ocean drifting campaign MOSAiC (Leg 5: 2020).  Daiki Nomura (middle). My crazy sea ice friends: Manuel (Left) and Yuhong (Right).



Daiki NOMURA (野村 大樹) 







Associate Professor







August 1980, Aichi, JAPAN 














Sea ice biogeochemistry


Polar ocean biogeochemistry 







Good Sushi (not frozen)














Our laboratory is focusing on the biogeochemical cycles in the ocean and sea ice and their effects on the oceanic and atmospheric environment. Target parameters are organic and inorganic gasses in the ocean and sea ice. Research area is from Arctic, Okhotsk, Bering, Pacific, coast of Hokkaido to Southern Oceans. We welcome your joining as Master and Ph.D course students and JSPS postdoctoral fellow








2004 May: Chukchi Sea, off Barrow, Alaska (Sea ice field course) 



2005, 2006, 2007, 2008, 2009, 2011, 2014, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024. February/March: Southern Sea of Okhotsk/Saroma-ko Lagoon, Hokkaido, Japan 



2007 March: Baltic Sea, Finland (Sea ice field course) 



2008 May: Chukchi Sea, off Barrow, Alaska (Sea ice field course) 



2009 December–2010 March: Lützow-Holm Bay, off Syowa Station Antarctica (JARE51) 



2011 April–May: North of Svalbard, Arctic Ocean by Lance (ICE11) 



2012 January–April: Tempelfjorden in Svalbard, High Arctic (TEMP12) 



2012 September–November: Southern Ocean by Aurora Australis (SIPEX-II) 



2013 June–August: The Weddell Sea, Mid-winter cruise by Polarstern (AWECS) 



2015 February–March: Arctic Ocean, Mid-winter (leg 2): Norwegian Young Sea Ice cruise by Lance (N-ICE2015) 



2017 July–August: Bowdoin fjord, Greenland: ArCS project. 



2018 July-September: Gulf of Anadyr, Bering Sea by Prof. Multanovskiy (Mu18): ArCS project. 



2018 December-2019 January: Southern Ocean by Kaiyo-maru (KY18-4: Leg.1) (BROKE revisit cruise)



2020 January: Sea ice tank experiment in Roland von Glasow air-sea-ice chamber (University of East Anglia). ECV-Ice sea ice storage inter-comparison experiment. 



2020 February: Eddy covariance experiment in Tsukuba, Japan. ECV-Ice eddy covariance air-sea ice CO2 flux inter-comparison measurement.



2020 July-October: Central Arctic Ocean by Akademic Tryoshnikov and Polarstern (PS122/5): MOSAiC



2021 August-October: Pacific sector of Arctic Ocean by R/V Mirai (MR21-05C): ArCS II.



2022 April-June: Inter-comparison experiments in Cambridge Bay, Canada: ECV-Ice. 



2023 May: Eddy covariance CO2 flux measurement and sea ice biogeochemical study in Cambridge Bay, Canada: ArCS II. 



2023 July-August: Chukchi Sea, Arctic Ocean by Oshoro-maru: ArCS II.



2024 January: Glaciar Amalia and fjord in Patagonia by Pelagic: Grant-in-Aid for Scientific Research.








2007: JSPS-DC2, Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan 



2008: JSPS-PD (Changed from JSPS-DC2), Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 



2009–2010: Postdoc, National Institute of Polar Research, Tokyo, Japan 



2011: JSPS for Research Abroad, Norwegian Polar Institute, Tromsø, Norway 



2012: JSPS-PD, Norwegian Polar Institute, Tromsø, Norway (From Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan)



2012–2016: Associate member, SCOR working group 140 (BEPSII)



2013–2014: JSPS-PD, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 



2015: Postdoc, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 



2015–2019: Assistant Professor, Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Japan 



2016–2023: Co-chair, SCOR working group 152 (ECV-Ice)



2016–now (concurrent post): Arctic Research Center, Hokkaido University, Sapporo, Japan 



2017–2018: Implementation member (CATCH



2018–2019 (concurrent post): Assistant Professor, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Sapporo, Japan 



2018–now: SSC member (CATCH



2020 (concurrent post): Associate Professor, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Sapporo, Japan 



2020–now: Associate Professor, Field Science Center for Northern Biosphere, Hokkaido University, Hakodate, Japan (Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Japan)



2021-now (concurrent post): Associate Professor, National Institute of Polar Research, Tachikawa, Japan



2021–now: Full member, SCOR working group 163 (Clce2Clouds)



2024–now: SSC member, Surface Ocean-Lower Atmosphere Study (SOLAS)








1999: Ichinomiya-Nishi high school, Aichi, Japan 



2003: B.A. Department of Engineering, Kansai University, Osaka, Japan 



2005: M.D. Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan 



2008: Ph.D: Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan 








Matsuno Prize: Hokkaido University: 2005 



Very Impressive Presentation (VIP) Prize: The Japanese Society of Snow and Ice: 2010



Okada Prize: The Oceanographic Society of Japan: 2014 








JSPS-DC2: 2007 



JSPS-PD: 2008 



JSPS-Grant-in-Aid for Young Scientists (Start-up): 2009



ROIS-Seeds project: 2009 



JSPS-Grant-in-Aid for Research Activity Start-up: 2010 



JSPS-Research abroad: 2011-2012 



Svalbard Science Forum-Arctic Field Grant: 2012 



JSPS-PD: 2012–2014



Japanese Society of Snow and Ice-Inoue field grant: 2013 



Scandinavia-Japan Sasakawa Foundation: 2014 



JSPS-Grant-in-Aid for Young Scientists (B): 2015–2016



Sasakawa Scientific Research Grant: 2015 



J-ARC Net, Promoting Collaborative Research: 2016, 2017, 2019, 2020 



JSPS-Grant-in-Aid for Young Scientists (A): 2017–2019 



Grant for General collaboration Project of the National Institute of Polar Research: 2016, 2017, 2018, 2020, 2021



Grant for Joint Research Program of the Institute of Low Temperature Science, Hokkaido University: 2017, 2018, 2020, 2021, 2022.



Grant-in-Aid for Scientific Research (B): 2020-2022








99. Laukert, G., Bauch, D., Rabe, B., Krumpen, T., Damm, E., Kienast, M., Hathorne, E., Vredenborg, M., Tippenhauer, S., Andersen, N., Meyer, H., Mellat, M., D’Angelo, A., Nomura, D., Horner, T. J., Hendry, K., Kienast, S. S. (Submitted). Arctic transpolar drift amplifies Siberian matter dispersal through decoupled sea ice and ocean surface pathways.



98. Yoshimura, M., Nomura, D., Webb, A. L., Li, Y., Dall’osto, M., Schmidt, K., Droste, E. S., Chamberlain, E. J., Posman, K. M., Angot, H., Blomquist, B., Meyer, H., Hoppema, M., Tozawa, M., Inoue, J., Delille. B. (Submitted). Melt pond CO2 dynamics and fluxes with the atmosphere in the Central Arctic Ocean during the summer-to-autumn transition.



97. Mensah, V., Chen, Y. -C., Nomura, D., Ueno, H., Chien, H., Ohshima, K. I. (Submitted). Multidecadal decreasing trend in sea ice melt in the Bering Sea revealed by ocean observations. 



96. Chamberlain, E. J., Rokitta, S., Rost, B., D’Angelo, A., Creamean, J. M., Loose, B., Ulfsbo, A., Fong, A. A., Hoppe, C. J. M., Droste, E. S., Nomura, D., Schulz, K., Bowman, J. (Submitted). Microbial predictors of net heterotrophic conditions in the pelagic Arctic Ocean.



95. Loose, B., Fer, I., Ulfsbo, A., Chierici, M., Droste, E. S., Nomura, D., Fransson, A., Hoppema, M. (In revision). An estimate of air-sea gas exchange for the entire MOSAiC Arctic Drift. Elementa, Science of the Anthropocene.



94. Fong, A. A., Hoppe, C. J. M., Aberle, N., Ashjian, C. J., Assmy, P., Bai, Y., Bakker, D. C. E., Balmonte, J. P., Barry, K. R., Bertilsson, S., Boulton, W., Bowman, J., Bozzato, D., Bratbak, G., Buck, M., Campbell, R. G., Castellani, G., Chamberlain, E. J., Chen, J., Chierici, M., Cornils, A., Creamean, J. M., Damm, E., Dethloff, K., Droste, E. S., Ebenhöh, O., Eggers, S. L., Engel, A., Flores, H., Fransson, A., Frickenhaus, S., Gardner, J., Gelfman, C. E., Granskog, M. A., Graeve, M., Havermans, C., Heuzé, C., Hildebrandt, N., Hill, T. C. J., Hoppema, M., Immerz, A., Jin, H., Koch, B., Kong, X., Kraberg, A., Lan, M., Lange, B. A., Larsen, A., Lebreton, B., Leu, E., Loose, B., Maslowski, W., Mavis, C., Metfies, K., Mock, T., Müller, O., Nicolaus, M., Niehoff, B., Nomura, D., Nöthig, E.-M., Oggier, M., Oldenburg, E., Olsen, L. M., Peeken, I., Perovich, D. K., Popa, O., Rabe, B., Ren, J., Rex, M., Rinke, A., Rokitta, S., Rost, B., Sakinan, S., Salganik, E., Schaafsma, F. L., Schäfer, H., Schmidt, K., Shoemaker, K. M., Shupe, M. D., Snoeijs-Leijonmalm, P., Stefels, J., Svenson, A., Tao, R., Torres-Valdés, S., Torstensson, A., Ulfsbo, A. T. A., Van Leeuwe, M. A., Vortkamp, M., Webb, A. L., Gradinger, R. R. (In revision). Overview of the MOSAiC expedition: Ecosystem. Elementa, Science of the Anthropocene.



93. Tozawa, M., Nomura, D., Matsuura, M., Hatta, M., Fujiwara, A., Yasunaka, S., Murata, A. (In revision). Quantitative assessment of factors contributing to variations in sea surface pCO2 in the Pacific Sector of the Arctic Ocean. Journal of Geophysical Research-Oceans.



92. Dobashi, R., Ueno, H., Kato, R., Yan, N., Mukai, T., Yasuma, H., Nomura, D., Itoh, S., Kasai, A. (In revision). Impact of anticyclonic eddy on primary production and fish distribution in Kuroshio-Oyashio transition area. Bulletin of the Japanese Society of Fisheries Oceanography.



91. Yamazaki, K., Katsumata, K., Hirano, D., Nomura, D., Sasaki, S., Murase, H., Aoki, S. (In revision). Revisiting circulation and water masses over the East Antarctic margin (80–150°E). Progress in Oceanography.



90. Dall´Osto, M., Beddows, D. C. S., Shi, Z., Jones, A.E., de Leeuw, G., Nomura, D. (In revision). High Arctic freshwater input reduces sea spray aerosol production.Communications Earth & Environment. 



89. Akino, R., Nomura, D., Sahashi, R., Tozawa, M., Hatta, M., Matsuno, K., Endo, W., Shiozaki, T., Kawakami, T., Ito, M., Murata, A., Fujiwara, A. (Accepted). Characteristics of late summer Arctic brash sea ice and its melting effect on the surface-water biogeochemistry in the Chukchi Shelf and Canada Basin. Elementa, Science of the Anthropocene.



88. Oida, J., Hirawake, T., Yamashita, Y., Abe, H., Nishioka, J., Waga, H., Nomura, D., Kakehi, S. (2024). Classification of water masses in the subarctic Pacific and adjacent seas using satellite-derived light absorption spectra of chromophoric dissolved organic matter. Deep Sea Research, Part I. 208, https://doi.org/10.1016/j.dsr.2024.104313.



87. Tozawa, M., Nomura, D., Yamazaki, K., Kiuchi, M., Hirano, D., Aoki, S., Sasaki, H., Murase, H. (2024). Oceanographic factors determining the distribution of nutrients and primary production in the subpolar Southern Ocean. Progress in Oceanography. 225, https://doi.org/10.1016/j.pocean.2024.103266.



86. Nomura, D., Akino, R., Corkill, M., Hirano, K., Kasai, A., Katakura, S., Kawaguchi, Y., Kawakami, T., Kimura, R., Lannuzel, D., Makabe, R., Matsuura, M., Matsuno, K., Meiners, K., Nagasaki, K., Nosaka, Y., Samori, N., Sakaya, S., Son, E. Y., Suga, R., Sunakawa, Y., Takahashi, K. D., Takahashi, M., Takeda, Y., Toyota, T., Tozawa, M., Wongpan, P., Yoshida, H., Yoshida, K., Yoshimura, M. (2024). Multidisciplinary research for sea ice in Saroma-ko Lagoon, Hokkaido, Japan 2023. Bulletin of Glaciological Research, doi: 10.5331/bgr.24R01.



85. Mellat, M., Brunello, C. F., Werner, M., Bauch, D., Damm, E., Angelopoulos, M., Welker, J. M., Schneebeli, M., Granskog, M., Hörhold, M., Arndt, S., Meyer, H., Nomura, D., Macfarlane, A. R. (2024). Isotopic Signatures of Snow, Sea Ice, and Surface Seawater in the Central Arctic Ocean during MOSAiC Expedition. Elementa, Science of the Anthropocene. 12(1). DOI: https://doi.org/10.1525/elementa.2023.00078.



84. Noshiro, T., Nomura, D., Kondo, F., Ono, K., Else, B., Ikawa, H. (2024). Comparisons of different sample air drying systems for carbon dioxide flux measurements based on eddy covariance in cold environments. Journal of Agricultural Meteorology. 80(1), 22–28, 10.2480/agrmet.D-23-00014.



83. Willis, M., Lannuzel, D., Else, B., Angot, H., Campbell, K., Crabeck, O., Delille, B., Hayashida, H., Lizotte, M., Loose, B., Meiners, K. M., Miller, L., Moreau, S., Nomura, D., Prytherch, J., Schmale, J., Steiner, N., Tedesco, L. (2023). Polar Oceans and Sea Ice in a Changing Climate. Elementa, Science of the Anthropocene. 11(1). DOI: https://doi.org/10.1525/elementa.2023.00056.



82. Henley, F. S., Cozzi, S., Fripiat, F., Lannuzel, D., Nomura, D., Thomas, D. N., Meiners, K. M., Vancoppenolle, M., Arrigo, K., Stefels, J., van Leeuwe, M. A., Moreau, S., Jones, E. M., Fransson, A., Chierici, M., Delille, B. (2023). Macronutrient biogeochemistry in Antarctic land-fast sea ice: insights from a circumpolar data compilation. Marine Chemistry. 257. https://doi.org/10.1016/j.marchem.2023.104324.



81. Smith, M. M., Angot, H., Chamberlain, E. J., Droste, E., Karam, S., Muilwijk, M., Webb, A. L., Archer, S., Beck, I., Blomquist, B. W., Bowman, J., Boyer, B., Bozzato, D., Chierici, M., Creamean, J., D'Angelo, A., Delille, B., Fer, I., Fong, A. A., Fransson, A., Fuchs, N., Gardner, J., Granskog, M. A., Hoppe, C. J. M., Hoppema, M., Hoppmann, M., Muller, S., Müller, O., Nicolaus, M., Nomura, D., Petäjä, T., Salganik, E., Schmale, J., Schmidt, K., Schulz, K., Shupe, M. D., Stefels, J., Thielke, L., Tippenhauer, S., Ulfsbo, A., van Leeuwe, M., Webster, M., Yoshimura, M., Zhan, L. (2023). Thin and transient meltwater layers and false bottoms in the Arctic sea ice pack: recent insights on a historically overlooked feature. Elementa, Science of the Anthropocene. 11:1. https://doi.org/10.1525/elementa.2023.00025.



80. Shiomoto, A., Sasaki, H., Nomura, D. (2023). Size-fractionated phytoplankton biomass and primary production in the eastern Indian sector of the Southern Ocean in the austral summer 2018/2019. Progress in Oceanography. 218, 103119, https://doi.org/10.1016/j.pocean.2023.103119.



79. Matsuno, K., Sumiya, K., Tozawa, M., Nomura, D., Sasaki, H., Yamaguchi, A., Murase, H. (2023). Responses of diatom assemblages and life cycle to sea ice variation in the eastern Indian sector of the Southern Ocean during austral summer 2018/2019. Progress in Oceanography. 218(1–2):103117, DOI:10.1016/j.pocean.2023.103117.



78. Aoki, S., Yamazaki, K., Hirano, D., Nomura, D., Murase, H. (2023). Distribution of stable oxygen isotope in seawater and implication on freshwater cycle off the coast from Wilkes to George V Land, East Antarctica. Progress in Oceanography. 217, 103101,https://doi.org/10.1016/j.pocean.2023.103101.



77. Nomura, D., Sahashi, R., Takahashi, K. D., Makabe, R., Ito, M., Tozawa, M., Wongpan P., Matsuda, R., Sano, M., Yamamoto-Kawai, M., Nojiro, N., Tachibana, A., Kurosawa, N., Moteki, M., Tamura, T., Aoki, S., Murase, H. (2023). Biogeochemical characteristics of brash sea ice and icebergs during summer and autumn in the Indian sector of the Southern Ocean. Progress in Oceanography. 214, 103023, https://doi.org/10.1016/j.pocean.2023.103023.



76. Nomura, D., Kawaguchi, Y., Webb, A., Li, Y., Dall’osto, M., Schmidt, K., Droste, E. S., Chamberlain, E. J., Kolabutin, N., Shimanchuk, E., Hoppmann, M., Gallagher, M. R., Meyer, H., Mellat, M., Bauch, D., Gabarró, C., Smith, M. M., Inoue, J., Damm, E., Delille, B. (2023). Meltwater layer dynamics in a central Arctic lead: Effects of lead width, re-freezing, and mixing during late summer. Elementa, Science of the Anthropocene. 11: 1. DOI: https://doi.org/10.1525/elementa.2022.00102.



75. Lebrun, M., Vancoppenolle, M., Madec, G., Babin, M., Becu G., Lourenco, A., Nomura, D., Vivier, F., Delille, B. (2023). Light under Arctic sea ice in observations and Earth System Models. Journal of Geophysical Research-Oceans. 128, 3, https://doi.org/10.1029/2021JC018161.



74. Umezawa, S., Tozawa, M., Nosaka, Y., Nomura, D., Onishi, H., Abe, H., Takatsu, T., Ooki, A. (2023). Significant nutrient consumption in the dark subsurface layer during a diatom bloom: a case study on Funka Bay, Hokkaido, Japan. Biogeosciences. 20, 421–438. https://doi.org/10.5194/bg-20-421-2023.



73. Nakajima, H., Nomura, D. (2022). Factors controlling the precipitation of ikaite crystals within sea ice in the laboratory experiment. Seppyo (The Japanese Society of Snow and Ice). In Japanese with English abstract. 84, 6, 503–514. https://doi.org/10.5331/seppyo.84.6_503.



72. Toyota, T., Kimura, N., Nishioka, J., Ito, M., Nomura, D., Mitsudera, H. (2022). The interannual variability of sea ice area, thickness, and volume in the southern Sea of Okhotsk and its likely factors. Journal of Geophysical Research. 127, e2022JC019069. https://doi.org/10.1029/2022JC019069.



71. Ohshima, K. I., Fukamachi, Y., Ito, M., Nakata, K., Simizu, D., Ono, K., Nomura, D., Hashida, G., Tamura, T. (2022). Dominating frazil-ice production in a coastal polynya leads to Antarctic Bottom Water formation. Science Advance. 8. 22. https://doi.org/10.1126/sciadv.adc9174.



70. Tamura, T. P., Nomura, D., Hirano, D., Tamura, T., Kiuchi, M., Hashida, G., Makabe, R., Ono, K., Ushio, S., Yamazaki, K., Nakayama, Y., Takahashi, K. D., Sasaki, H., Murase, H., Aoki, S. (2022). Impacts of basal melting of the Totten Ice Shelf and biological productivity on marine biogeochemical components in Sabrina Coast, East Antarctica. Global Biogeochemical Cycles. https://doi.org/10.1029/2022GB007510.



69. Gabarro, C., Fabregat, P., Hernandez-Macia`, F., Jove, R., Salvador, J., Spreen, G., Thielke, L., Dadic, R., Kolabutin, N., Nomura, D. (2022). First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during late summer and autumn period. Elementa. 10(1): 00031. https://doi.org/10.1525/elementa.2022.00031.



68. Ooki, A., Miyashita, N., Umezawa, S., Tozawa, M., Nosaka, Y., Nomura, D., Onishi, H., Abe, H., Takatsu, T. (2022), Isoprene production in the water column and sediment in Funka Bay, Hokkaido, Japan. Geochemical Journal.https://doi.org/10.2343/geochemj.GJ22013.



67. Silyakova, A., Nomura, D., Kotovitch, M., Fransson, A., Delille, B., Chierici, M., Granskog, M. A. (2022). Methane release from open leads and new ice following an Arctic winter storm event. Polar Science. 33. 100874. https://doi.org/10.1016/j.polar.2022.100874.



66. Kawaguchi, Y., Koenig, Z., Nomura, D., Hoppman, M., Inoue, J., Fang, Y.-C., Schulz, K., Katlein, C., Nicolaus, M., Rabe, B. (2022). Turbulent Mixing during Late Summer in the Ice–Ocean Boundary Layer in the Central Arctic Ocean: Results from the MOSAiC Expedition. Journal of Geophysical Research-Oceans. 127, e2021JC017975. https://doi.org/10.1029/2021JC017975.



65. Horikawa, T., Nomura, D., Kanna, N., Fukamachi, Y., Sugiyama, S. (2022). Effects of the glacial meltwater supply on carbonate chemistry in Bowdoin Fjord, northwestern Greenland. Frontiers in Marine Science. 9:873860. doi: 10.3389/fmars.2022.873860. 



64. Sahashi, R., Nomura, D., Toyota, T., Tozawa, M., Ito, M., Wongpan, P., Ono, K., Simizu, D., Naoki, K., Nosaka, Y., Tamura, T., Aoki, S., Ushio, S. (2022). Effects of snow and remineralization processes on nutrient distributions in multi-year Antarctic landfast sea ice. Journal of Geophysical Research-Oceans. 127, e2021JC018371. https://doi.org/10.1029/2021JC018371.



63. Nomura, D., Ikawa, H., Kawaguchi, Y., Kanna, N., Kawakami, T., Nosaka, Y., Umezawa, S., Tozawa, M., Horikawa, T., Sahashi, R., Noshiro, T., Kaba, I., Ozaki, M., Kondo, F., Ono, K., Yabe, I. S., Son, E. Y., Toyoda, T., Kameyma, S., Wang, C., Obata, H., Ooki, A., Ueno, H., Kasai, A. (2022). Atmosphere–sea ice–ocean interaction study in Saroma-ko Lagoon, Hokkaido, Japan 2021. Bulletin of Glaciological Research, 40, 1–17, doi: 10.5331/bgr.21R02.



62. Waga, H., Fujiwara, A., Hirawake, T., Suzuki, K., Yoshida, K., Abe, H., Nomura, D. (2022). Spatial patterns in primary productivity and phytoplankton community structure in surface waters of the western subarctic Pacific and Bering Sea during summer. Progress in Oceanography, 201, https://doi.org/10.1016/j.pocean.2021.102738.



61. Tozawa, M., Nomura, D., Nakaoka, S., Kiuchi, M., Yamazaki, K., Hirano, D., Aoki, S., Sasaki, H., Murase, H. (2022). Seasonal variations and drivers of surface ocean pCO2 in the Seasonal Ice Zone of the Eastern Indian Sector, Southern Ocean. Journal of Geophysical Research-Oceans, 127, 1, https://doi.org/10.1029/2021JC017953.



60. Yamamoto-Kawai, M., Tamura, T., Watanabe, E., Nishioka, J., Nomura, D., Makabe, M., Mizobata, K., Yasunaka, S. (2021). Decadal Vision in Oceanography 2021: Polar Oceans. Umi no Kenkyu (Oceanography in Japan), In Japanese with English abstract. 30, 5, 159178, doi: 10.5928/kaiyou.30.5_159. 



59. Steiner, N., Stefels, J., Bowman, J., Castellani, G., Crabeck, O., Delille, B. Else, B., Flores, H., Fripiat, F., Lannuzel, D., Meiners, K., Miller, L., Moreau, S., Nomura, D., Tedesco, L., Vancoppenolle, M. (2021). BEPSII Arctic Policy Brief,https://doi.org/10.5281/zenodo.5595254.



58. Abe, H., Nomura, D., Hirawake, T. (2021). Intrusion of Pacific-origin water into Gulf of Anadyr during years of low sea ice production and southerly winds. Progress in Oceanography, 198, https://doi.org/10.1016/j.pocean.2021.102675.



57. Steiner, N. S., Bowman, J., Campbell, K., Chierici, M., Eronen-Rasimus, E., Falardeau, M., Flores, H., Fransson, A., Herr, H., Insley, S. J., Kauko, H. M., Lannuzel, D., Loseto, L., Lynnes, A., Majewski, A., Meiners, K. M., Miller, L. A., Michel, L., Moreau, S., Nacke, M., Nomura, D., Tedesco, L., van Franeker, J. A., van Leeuwe, M. A., Wongpan, P. (2021). Climate change impacts on sea-ice ecosystems and associated ecosystem services, Elementa. https://doi.org/10.1525/elementa.2021.00007.



56. Nishioka, J., Hirawake, T., Nomura, D., Yamashita, Y., Ono, K., Murayama, A., Shcherbinin, A., Volkov, Y. N., Mitsudera, H., Ebuchi, N., Wakatsuchi, M., Yasuda, I. (2021). Iron and nutrient dynamics along the East Kamchatka Current, western Bering Sea Basin and Gulf of Anadyr, Progress in Oceanography, 198,10.1016/j.pocean.2021.102662.



55. Hirawake, T., Oida, J., Yamashita, Y., Waga, H., Abe, H., Nishioka, J., Nomura, D., Ueno, H., Ooki, A. (2021). Water mass distribution in the northern Bering and southern Chukchi seas using light absorption of chromophoric dissolved organic matter. Progress in Oceanography, 197, 10.1016/j.pocean.2021.102641.



54. Nomura, D., Abe, H., Hirawake, T., Ooki, A., Yamashita, Y., Murayama, A., Ono, K., Nishioka, J. (2021). Formation of dense shelf water associated with sea ice freezing in the Gulf of Anadyr estimated with oxygen isotopic ratio. Progress in Oceanography, 196, 102595, https://doi.org/10.1016/j.pocean.2021.102595.



53. Kiuchi, M., Nomura, D., Hirano, D., Tamura, T., Hashida, G., Ushio, S., Simizu, D., Ono, K., Aoki, S. (2021). The effect of basal melting of the Shirase Glacier Tongue on the CO2system in Lützow-Holm Bay, East Antarctica. Journal of Geophysical Research-Biogeosciences, 126, e2020JG005762. http://doi.org/10.1029/2020JG005762.



52. Sugiyama, S., Kanna, N., Sakakibara, D., Ando, T., Asaji, I., Kondo, K., Wang, Y., Fujishi, Y., Fukumoto, S., Podolskiy, E., Fukamachi, Y., Takahashi, M., Matoba, S., Iizuka, Y., Greve, R., Furuya, M., Tateyama, K., Watanabe, T., Yamasaki, S., Yamaguchi, A., Nishizawa, B., Matsuno, K., Nomura, D., Sakuragi, Y., Matsumura, Y., Ohashi, Y., Aoki, T., Niwano, M., Hayashi, N., Minowa, M., Jouvet, G., van Dongen, E., Bauder, A., Funk, M., Bjørk, A. A., Oshima, T. (2020). Rapidly changing glaciers, ocean and coastal environments, and their impact on human society in the Qaanaaq region, northwestern Greenland. Polar Science, https://doi.org/10.1016/j.polar.2020.100632.



51. Lannuzel, D., Tedesco, L., van Leeuwe, M., Campbell, K., Flores, H, Delille, B., Miller, L., Stefels, J., Assmy, P., Bowman, J., Brown, K., Castellani, G., Chierici, M., Crabeck, O., Damm, E., Else, B., Fransson, A., Fripiat, F., Geilfus, N.-X., Jones, E., Kaartokallio, H., Kotovitch, M., Meiners, K., Moreau, S., Nomura, D., Peeken, I., Rintala, J.-M., Steiner, N., Tison, J-.L., Vancoppenolle, M., Van der Linden., F, Vichi., M, and Wongpan, P. (2020). The future of Arctic sea-ice biogeochemistry and ice-associated ecosystems. Nature Climate Change, https://doi.org/10.1038/s41558-020-00940-4. 



50. Miller, L., Fripiat, F., Moreau, S., Nomura, D., Stefels, J., Steiner, N., Tedesco, L., Vancoppenolle, M. (2020). Implications of sea ice management for Arctic biogeochemistry, Eos, 101, https://doi.org/10.1029/2020EO149927.



49. Kanna, N., Sugiyama, S., Fukamachi, Y., Nomura, D., Nishioka, J. (2020). Iron supplied by subglacial discharge into a fjord near the front of a marine-terminating glacier in northwestern Greenland. Global Biogeochemical Cycles, 34, e2020GB006567. https://doi.org/10.1029/2020GB006567.



48. Wongpan, P., Nomura, D., Toyota, T., Tanikawa, T., Ishino, T., Tamura, P. T., Tozawa, M., Nosaka, Y., Hirawake, T., Ooki, A., Aoki, S. (2020). Using under-ice hyperspectral transmittance to determine land-fast sea ice algal biomass in Saroma-ko Lagoon, Hokkaido, Japan. Annals of Glaciology, 61, 83, 454–463. https://doi.org/10.1017/aog.2020.69.



47. Fransson, A., Chierici, M., Nomura, D., Granskog, M.A., Kristiansen, S., Martma, T., Nehrke, G. (2020). Influence of glacial water and carbonate minerals on wintertime sea-ice biogeochemistry and CO2 system in an Arctic fjord in Svalbard. Annals of Glaciology, 1–21. https://doi.org/10.1017/aog.2020.52.



46. Toyota, T., Ono, T., Tanikawa, T., Wongpan, P., Nomura, D. (2020). Solidification effects of snowfall on sea-ice freeze-up: results from an onsite experimental study. Annals of Glaciology, 61, 83, 299–308. https://doi.org/10.1017/aog.2020.49.



45. Murakami, K., Nomura, D., Hashida, G., Nakaoka, S., Kitade, Y., Hirano, D., Hirawake, T., Ohshima, K.I. (2020). Strong biological carbon uptake and carbonate chemistry associated with dense shelf water outflows in the Cape Darnley polynya, East Antarctica. Marine Chemistry, 225, 103842, https://doi.org/10.1016/j.marchem.2020.103842.



44. Tison, J.L., Maksym, T., Fraser, A.D., Corkill, M., Kimura, N., Nosaka, Y., Nomura, D., Vancoppenolle, M., Ackley, S., Stammerjohn, S., Wauthy, S., Van der Linden, F., Carnat, G., Sapart, C., de Jong, J., Fripiat, F., Delille, B. (2020). Physical and biological properties of early winter Antarctic sea ice in the Ross Sea. Annals of Glaciology, 1–19. https://doi.org/10.1017/aog.2020.43. 



43. Nandan, V., Scharien, R. K., Geldsetzer, T., Kwok, R., Yackel, J. J., Mahmud, M. S., Rösel, A., Tonboe, R., Granskog, M., Willatt, R., Stroeve, J., Nomura, D., Frey, M. (2020). Snow property controls on modelled Ku-band altimeter estimates of first-year sea ice thickness: Case studies from the Canadian and Norwegian Arctic. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 13, 1082–1096. 10.1109/JSTARS.2020.2966432.



42. Nomura, D., Wongpan, P., Toyota, T., Tanikawa, T., Kawaguchi, Y., Ono, T., Ishino, T., Tozawa, M., Tamura, T. P., Yabe, I. S., Son, E. Y., Vivier, F., Lourenco, A., Lebrun, M., Nosaka, Y., Hirawake, T., Ooki, A.., Aoki, S, Else, B., Fripiat, F., Inoue, J., Vancoppenolle, M. (2020). Saroma-ko Lagoon Observations for sea ice Physico-chemistry and Ecosystems 2019 (SLOPE2019). Bulletin of Glaciological Research, 38, 1–12, doi:10.5331/bgr.19R02. 



41. Thomas, J. L., Stutz, J. P., Frey, M. M., Bartels-Rausch, T., Altieri, K., Baladima, F., Browse, J., Dall’Osto, M., Marelle, L., Mouginot, J., Murphy, J. G., Nomura, D., Pratt, K., Willis, M., Zieger, P., Abbatt, J., Douglas, T. A., Facchini, M. C., France, J., Jones, A. E., Kim, K., Matrai, P. A., McNeill, V. F., Saiz-Lopez, A., Shepson, P., Steiner, N., Law, K. S., Arnold, S. R., Delille, B., Schmale, J., Sonke, J., Dommergue, A., Voisin, D., Melamed, M. L., Gier, J. (2019). Fostering multidisciplinary research on interactions between chemistry, biology, and physics within the coupled cryosphere-atmosphere system. Elementa-Science of the Anthropocene, 7, 1, p.58. DOI: http://doi.org/10.1525/elementa.396.



40. Kameyama, S., Ooki, A, Nomura, D. (2019). Biogeochemistry of bromine and organic sulfur compounds in the Arctic region. In Japanese with English abstract, and figures. Chikyu-Kagaku (Geochemistry), 53, 159-171, doi:10.14934/chikyukagaku.53.159.



39. Ooki, A., Shida, R., Otsu, M., Onishi, H., Kobayashi, N., Iida, T., Nomura, D., Suzuki, K., Yamaoka, Y., Takatsu, T. (2019). Isoprene production in seawater of Funka Bay, Hokkaido, Japan. Journal of Oceanography, 75, 6, 485–501.https://doi.org/10.1007/s10872-019-00517-6.



38. Nomura, D., Kanna, N., Ooki, A. (2019). Effects of glacier and sea ice melting on the biogeochemical cycles in the surface water of the Arctic Ocean. In Japanese with English abstract, figures, and table. Chikyu-Kagaku (Geochemistry), 53, 149–158, doi:10.14934/chikyukagaku.53.149.



37. Kataoka, T., Ooki, A., Nomura, D. (2019). Production of dibromomethane and changes in the bacterial community in bromoform-enriched seawater. Microbes and Environments, https://doi.org/10.1264/jsme2.ME18027.



36. Roukaerts, A., Nomura, D., Deman, F., Hattori, H., Dehairs, F., Fripiat, F. (2019). The effect of melting treatments on the assessment of biomass and nutrients in sea ice (Saroma-ko lagoon, Hokkaido, Japan). Polar Biology, 42, 347–356. https://doi.org/10.1007/s00300-018-2426-y.



35. Meiners, K. M., Vancoppenolle, M., Carnat, G., Castellani, G., Delille, B., Delille, D., Dieckmann, G.S., Flores, H., Fripiat, F., Grotti, M., Lange, B. A., Lannuzel, D., Martin, A., McMinn, A., Nomura, D., Peeken, I., Rivaro, P., Ryan, K. G, Stefels, J., Swadling, K. M., Thomas, D. N., Tison, J.-L., van der Merwe, P., van Leeuwe, M. A., Weldrick, C., Yang, E. J. (2018). Chlorophyll-a in Antarctic land-fast sea ice: a first synthesis of historical ice-core data. Journal of Geophysical Research-Oceans, 123. https://doi.org/10.1029/2018JC014245.



34. Nomura, D. (2018). Effects of sea ice freezing and melting on air-sea CO2 exchange. Archives of Atmospheric Chemistry Research, In Japanese, 38, 038A03. 



33. Nomura, D., Granskog, M.A., Fransson, A., Chierici, M., Silyakova, A., Ohshima, K.I., Cohen, L., Delille, B., Hudson, S.R., Dieckmann, G.S. (2018). CO2 flux over young and snow-covered Arctic pack ice in winter and spring. Biogeosciences, 15, 3331–3343, https://doi.org/10.5194/bg-15-3331-2018.



32. Kanna, N., Sugiyama, S., Ohashi, Y., Sakakibara, D., Fukamachi, Y., Nomura, D. (2018). Upwelling of macronutrients and dissolved inorganic carbon by a subglacial freshwater driven plume in Bowdoin Fjord, northwestern Greenland. Journal of Geophysical Research-Biogeosciences. DOI: 10.1029/2017JG004248.



31. Nomura, D., Aoki, S., Simizu, D., Iida, T. (2018). Influence of sea ice crack formation on the spatial distribution of nutrients and microalgae in flooded Antarctic multi-year ice. Journal of Geophysical Research-Oceans. DOI:10.1002/2017JC012941.



30. Tison, J.-L., Schwegmann, S., Dieckmann, G. S., Rintala, J. M., Meyer, H., Moreau, S., Vancoppenolle, M., Nomura, D., Engberg, S., Bloomster, L. J., Heindricks, S., Uhlig, C., Luhtanen, A. M., de Jong, J., Janssens, J., Carnat, G., Zhou, J., Delille, B. (2017). Biogeochemical impact of Snow Cover and Cyclonic Intrusions on the Winter Weddell Sea Ice Pack. Journal of Geophysical Research-Oceans, 112, https://doi.org/10.1002/2017JC013288.



29. Fripiat, F., Meiners, K.M., Vancoppenolle, M., Ackley, S.F., Arrigo, K., Carnat, G., Cozzi, S., Delille, B., Dieckmann, G.S., Dunbar, R.B., Fransson, A., Kattner, G., Kennedy, H., Lannuzel, D., Munro, D.R., Nomura, D., Papadimitriou, S., Rintala, J.M., Schoemann, V., Stefels, J., Steiner, N., Thomas, D.N., Tison, J-L. (2017). Macro-nutrient concentrations in Antarctic pack ice: Overall patterns and overlooked processes. Elementa-Science of the Anthropocene, 5, 13, DOI: https://doi.org/10.1525/elementa.217.



28. Toyota, T., Massom, R., Lecomte, O., Nomura, D., Heil, P., Tamura, T., Fraser, A.D. (2016). On the extraordinary snow on the sea ice off East Antarctica in late winter, 2012. Deep-Sea Research Part II, 131, 53–67, doi:10.1016/j.dsr2.2016.02.003. 



27. Coad, T., McMinn, A., Nomura, D., Martin, A. (2016). Effect of elevated CO2concentration on the microalgae in Antarctic pack ice algal communities. Deep-Sea Research Part II, 131, 160–169, doi:10.1016/j.dsr2.2016.01.005. 



26. Damm, E., Nomura, D., Dieckmann, G.S., Martin, A., Meiners, K.M. (2016). DMSP and DMS cycling within Antarctic sea ice during the winter spring transition. Deep-Sea Research Part II, 131, 150–159, doi:10.1016/j.dsr2.2015.12.015. 



25. Chavanich, S., Viyakarn, V., Nomura, D., Watanabe, K. (2015). Potential changes in feeding behavior of Antarctic fish, Pseudotrematomus bernacchii (Boulenger, 1902) on the East Ongul Island, Antarctica. Polar Science, 9, 4, 389–392.https://doi.org/10.1016/j.polar.2015.09.001.



24. Tamura, T., Ohshima, K.I., Lieser, J.L., Toyota, T., Tateyama, K., Nomura, D., Nakata, K,. Fraser, A.D., Jansen, P.W., Newbery, K.B., Massom, R.A., Ushio, S. (2015). Helicopter-borne observations with portable microwave radiometer in the Southern Ocean and the Sea of Okhotsk. Annals of Glaciology, 56 (69), doi:10.3189/2015AoG69A621.



23. Ooki, A., Nomura, D., Nishino, S., Kikuchi, T., Yokouchi, Y. (2015). A global-scale map of isoprene and volatile organic iodine in surface seawater of the Arctic, Northwest Pacific, Indian, and Southern oceans. Journal of Geophysical Research-Oceans, 120, doi:10.1002/2014JC010519. 



22. Nomura, D. (2015). Effects of sea-ice growth and decay processes on the biogeochemical cycles in the polar oceans. Umi no Kenkyu (Oceanography in Japan), In Japanese with English abstract and figures, 24, 2. https://doi.org/10.5928/kaiyou.24.2_51.



21. Fransson, A., Chierici, M., Nomura, D., Granskog, M.A., Kristiansen, S., Martma, T., Nehrke, G. (2015). Effect of glacial drainage water on the CO2 system and ocean acidification state in an Arctic tidewater-glacier fjord during two contrasting years. Journal of Geophysical Research-Oceans, doi:10.1002/2014JC010320. 



20. Miller, L.A., Fripiat, F., Else, B.G.T., Bowman, J.S., Brown, K.A., Collins, R.E., Ewert, M., Fransson, A., Gosselin, M., Lannuzel, D., Meiners, K.M., Michel, C., Nishioka, J., Nomura, D., Papadimitriou, S., Russell, L.M., Sørensen, L.L., Thomas, D.N., Tison, J.-L., van Leeuwe, M.A., Vancoppenolle, M., Wolff, E.W., Zhou, J. (2015). Methods for Biogeochemical Studies of Sea Ice: The State of the Art, Caveats, and Recommendation. Elementa-Science of the Anthropocene. 3, 000038, doi:10.12952/journal.elementa.000038. 



19. Granskog, M.A., Nomura, D., Müller, S., Krell, A., Toyota, T., Hattori, H. (2015). Evidence for significant protein-like dissolved organic matter accumulation in Sea of Okhotsk sea ice. Annals of Glaciology, 56 (69), doi:10.3189/2015AoG69A002. 



18. Nomura, D., Yoshikawa-Inoue, H., Kobayashi, S., Nakaoka, S., Nakata, K., Hashida, G. (2014). Winter to summer evolution of pCO2 in surface water and air-sea CO2 flux in the seasonal ice zone of the Southern Ocean. Biogeosciences, 11, 5749–5761.https://doi.org/10.5194/bg-11-5749-2014.



17. Koga, S., Nomura, D., Wada, M. (2014). Variation of dimethylsulfide mixing ratio over the Southern Ocean from 36°S to 70°S. Polar Science, 8 (3), 306–313. https://doi.org/10.1016/j.polar.2014.04.002.



16. Nomura, D., Granskog, M.A., Assmy, P., Simizu, D., Hashida, G. (2013). Arctic and Antarctic sea ice acts as a sink for atmospheric CO2 during periods of snow melt and surface flooding. Journal of Geophysical Research-Oceans, 118, doi:10.1002/2013JC009048. https://doi.org/10.1002/2013JC009048.



15. Nomura, D., Assmy, P., Nehrke, G., Granskog, M.A., Fischer, M., Dieckmann, G.S., Fransson, A., Hu, Y., Schnetger, B. (2013). Characterization of ikaite (CaCO3•6H2O) crystals in first-year Arctic sea ice north of Svalbard. Annals of Glaciology, 54, 62, 125–131, doi:10.3189/2013AoG62A034. https://doi.org/10.3189/2013AoG62A034.



14. Nomura, D., Simizu, D., Chavanich, S., Shinagawa, H., Fukuchi, M. (2012). An artificial pool experiment in Antarctic sea ice: Effects of sea-ice melting on physical and biogeochemical components of pool water. Antarctic Science, doi.10.1017/S0954102012000284. https://doi.org/10.1017/S0954102012000284.



13. Nomura, D., Koga, S., Kasamatsu, N., Shinagawa, H., Simizu, D., Wada, M., Fukuchi, M. (2012). Direct measurements of DMS flux from Antarctic fast sea ice to the atmosphere by a chamber technique. Journal of Geophysical Research-Oceans, 117, C04011, doi: 10.1029/2010JC006755. https://doi.org/10.1029/2010JC006755.



12. Nomura, D., McMinn, A., Hattori, H., Aoki, S., Fukuchi, M. (2011). Incorporation of nitrogen compounds into sea ice from atmospheric deposition. Marine Chemistry, 127, 90–99. https://doi.org/10.1016/j.marchem.2011.08.002.



11. Wada, M., Koga, S., Nomura, D., Odate, T., Fukuchi, M. (2011). Report on a portable laboratory, made from a modified cargo container, aboard the RV Shirase during the 2009-2010 Antarctic cruise of the 51st Japanese Antarctic Research Expedition (JARE-51). Antarctic Record, 55, 3, 269–286. 10.15094/00009626.



10. Oguma, S., Ono, T., Watanabe, W.Y., Kasai, H., Watanabe, S.., Nomura, D, Mitsudera, H. (2011). Flux of low salinity water from Aniva Bay (Sakhalin Island) to the southern Okhotsk Sea. Estuarine, Coastal and Shelf Science, 91, 24–32.10.1016/j.ecss.2010.10.002.



9. Nomura, D., Simizu, D., Shinagawa, H., Oouchida, C., Fukuchi, M. (2011). Biogeochemical properties of water in surface ponds on Antarctic fast ice and relationship to underlying sea ice properties. Journal of Glaciology, 57, 205, 1–9. https://doi.org/10.3189/002214311798043825.



8. Nomura, D., Ooki, A., Simizu, D., Fukuchi, M. (2011). Bromoform concentrations in slush-layer water in Antarctic fast ice. Antarctic Science, 23, 6, 623–628. https://doi.org/10.1017/S0954102011000459.



7. Nomura, D., Kasamatsu, N., Tateyama, K., Kudoh, S., Fukuchi, M. (2011). DMSP and DMS in coastal fast ice and under-ice water of Lützow-Holm Bay, eastern Antarctica. Continental Shelf Research, 31, 1377–1383. https://doi.org/10.1016/j.csr.2011.05.017.



6. Nomura, D., Eicken, H., Gradinger, R., Shirasawa, K. (2010). Rapid physically driven inversion of the air-sea ice CO2 flux in the seasonal landfast ice off Barrow, Alaska after onset of surface melt. Continental Shelf Research, 30, 1998–2004. https://doi.org/10.1016/j.csr.2010.09.014.



5. Nomura, D., Nishioka, J., Granskog, M., Krell, A., Matoba, S., Toyota, T., Hattori, H., Shirasawa, K. (2010). Nutrient distributions associated with snow and sediment layers in sea ice of the southern Sea of Okhotsk. Marine Chemistry, 119, 1–8. https://doi.org/10.1016/j.marchem.2009.11.005.



4. Nomura, D., Yoshikawa-Inoue, H., Toyota, T., Shirasawa, K. (2010). Effects of snow, snowmelting and refreezing processes on air–sea-ice CO2 flux. Journal of Glaciology, 56, 196, 262–270. https://doi.org/10.3189/002214310791968548.



3. Nomura, D., Takatsuka, T., Ishikawa, M., Kawamura, T., Shirasawa, K., Yoshikawa-Inoue, H. (2009). Transport of chemical components in sea ice and under-ice water during melting in the seasonally ice-covered Saroma-ko Lagoon, Hokkaido, Japan. Estuarine, Coastal and Shelf Science, 81, 201–209. https://doi.org/10.1016/j.ecss.2008.10.012.



2. McMinn, A., Gradinger, R., Nomura, D. (2009). Biogeochemical Properties of Sea Ice. Field Techniques for Sea Ice Research, 259–282. ISBN-10: 1602230595.



1. Nomura, D., Inoue-Yoshikawa, H., Toyota, T. (2006). The effect of sea-ice growth on air-sea CO2 flux in a tank experiment. Tellus, 58B, 418–426. https://doi.org/10.1111/j.1600-0889.2006.00204.x.