​Pan Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University

Jun Nishioka

Jun Nishioka Ph.D                                                           

Pan-Okhotsk research center,

Institute of low temperature science,                      

Hokkaido University                                                        nishioka@lowte.hokudai.ac.jp

Sapporo, Japan.                                                                    

 

Education and Experience:

 

2005 – Present:   Associate Professor

           Institute of low temperature science, Hokkaido University, Hokkaido, Japan.

2001: Doctor of Philosophy

         Hokkaido University, Thesis title: “Application of size-fractionation method to study biogeochemical   

           dynamics of iron in the North Pacific Ocean”.

1999 – 2005:       Senior Researcher

         Central Research Institute of Electric Power Industry, Chiba, Japan

1998 – 1999:       Visiting Researcher

         Institute of Ocean Sciences, Victoria, Canada

1995 – 1998:       Researcher

         Central Research Institute of Electric Power Industry, Chiba, Japan

1993 – 1995:      Master degree

         Hokkaido University, Graduate school of Fisheries Science, Hokkaido, Japan.

1989 – 1993:       Bachelor degree

         Hokkaido University, Faculty of Fisheries Science, Hokkaido, Japan.

 

Additional Roles:

 

2017 Sep.– Present:         Member

 GEOTRACES Data Management committee

2017 Feb. – Present:        Member

 SOLAS Scientific steering committee

2016 – Present:   Associate member

 SCOR working group 151 – Iron model intercomparison project (FeMIP)

2015 – Present:   Councilor member

 The Oceanographic Society of Japan

2013 – Present:   Associate Editor

    Journal of Oceanography

2012 – 2014:                  

    Guest Editor; Progress in Oceanography

2011 – 2015:  Associate member

    SCOR working group on Biogeochemical Exchange Processes at the Sea-Ice Interfaces (BEPSII)

2007 – 2010:  Member

      WG22, Iron supply and its impact on biogeochemistry and ecosystems in the North Pacific, PICES

2005 – 2007:  Associate member

Iron Fertilization Experiment Advisory Panel, PICES

 

Ongoing :

Peer reviewer for Global Biogeochemical Cycles, Marine Chemistry, Polar Science, Biogeosciences, Deep Sea Research, Continental shelf Research, Journal of Geophysical Research, Journal of Experimental Marine Biology and Ecology, Journal of Oceanography, etc.

 

Research Interests:

Trace metal biogeochemical cycle in the Ocean, Polar oceanography and sea-ice biogeochemistry, Artificial and natural iron fertilization in the Ocean, Controlling mechanisms for primary production in the Ocean, Nutrient dynamics in the Ocean, Ocean mixing and biogeochemical cycle, North Pacific HNLC water formation,

 

 

Research field:

 

North Pacific, Arctic Ocean, Indian Ocean, Southern Ocean, Sea of Okhotsk

 

Involved projects:

1996 – 1999:          Open-Ocean Plankton Ecosystem study (Japan-Canada joint project)

2000:                      EisanEx, Iron fertilization experiment in the Southern Ocean (NIOZ visiting researcher)

2001:                      SEEDS, Iron fertilization experiment in the western subarctic Pacific (Japanese project)

2002:                      SERIES, Iron fertilization experiment in the eastern subarctic Pacific (Japan-Canada joint project)

2003 – 2008:          Oyashio time series Fe dynamics study (Japanese project)

2004:                      SEEDS II, Iron fertilization experiment in the western subarctic Pacific (Joint project Japan-Canada-US)

2005 – 2009:          Amur-Okhotsk Project (Joint project Japan-Russia-China)

2007 – 2011:          Western Pacific Air-Sea interaction Study (Japanese project)

2010 – 2015:          Okhotsk sea biogeochemical cycle (Japanese project)

2012 – 2015:          Sea-ice ecosystem and biogeochemistry (Japanese project)

2013 – 2015:          New Ocean Paradigm on its biogeochemistry, ecosystem and sustainable  (Japanese project)

2009 – Present:      Japanese GEOTRACES (International project)

2015 – Present:      Arctic Challenge for Sustainability Project (Japanese project)

2015 – Present:      Ocean mixing Processes -Impact on Biogeochemsitry, Climate and Ecosystem- (Japanese project)

 

 

Publications:

Total citations= 3487/4861 (as of May 2019 from Researcher ID/Google Scholar)

H-index= 27/34 (as of May 2019 from Researcher ID/Google Scholar)

111) Tanaka, T., D. Hasegawa, I. Yasuda, H. Tsuji, S. Fujio, Y. Goto, J. Nishioka, Enhanced vertical turbulent nitrate flux in the Kuroshio across the Izu Ridge, J. Oceanogr. 75, 2, 195-203, doi.org/10.1007/S10872-018-0500-2, (2019)

 

110) Evans,L.K., J. Nishioka, Accumulation processes of trace metals into Arctic sea ice: distribution of Fe, Mn and Cd associated with ice structure, Marine Chemistry, doi.org/10.1016/j.marchem.2018.11.011, 2018.査読有

109) Kanna,N., Y. Sibano, T. Toyota, J Nishioka, Winter iron supply processes fueling spring phytoplankton growth in a sub-polar marginal sea, the Sea of Okhotsk: Importance of sea ice and the East Sakhalin Current, Marine Chemistry 206, 109-120, doi.org/10.1016/j.marchem.2018.08.006,2018.査読有

108) Evans,L.K., J. Nishioka, Quantitative analysis of Fe, Mn and Cd from sea ice and seawater in the Chukchi Sea, Arctic Ocean,Polar Science 17, 50-58, 2018.査読有

107) Isada, T., A Hattori‐Saito, H Saito, Y Kondo, J Nishioka, K Kuma, H Hattori, RML McKay, K Suzuki, Responses of phytoplankton assemblages to iron availability and mixing water masses during the spring bloom in the Oyashio region, NW Pacific, Limnology and Oceanography, 9999, , 1–20, doi.org/10.1002/lno.11031, 2018. 査読有

106) Miyazaki, Y., Y. Yamashita, K. Kawana, E. Tachibana, S. Kagami, M. Mochida, K. Suzuki, J. Nishioka, Chemical transfer of dissolved organic matter from surface seawater to sea spray water-soluble organic aerosol in the marine atmosphere, Scientific reports 8(1), 14861, 2018. 査読有

105) Reiner Schlitzer, et al., The GEOTRACES Intermediate Data Product 2017, Chemical Geology 493, 210-223, 2018. 査読有

104) Mizuno, Y., J. Nishioka, T. Tanaka, Y. Tada, K. Suzuki, Y. Tsuzuki, A. Sugimoto, Y. Yamashita, Determination of the freshwater origin of Coastal Oyashio Water using humic-like fluorescence in dissolved organic matter, Journal of Oceanography, 1-13, 2018.査読有

103) Yoshimura, T., J. Nishioka, H. Ogawa, A. Tsuda, Dynamics of particulate and dissolved organic and inorganic phosphorus during the peak and declining phase of an iron-induced phytoplankton bloom in the eastern subarctic Pacific, Journal of Marine Systems 177, 1-7, doi: 10.1016/j.jmarsys.2017.09.004 (2018).査読有

102)  Hongmei J, S. Cheung, X. Xia, K. Suzuki, J. Nishioka, H. Liu, Geographic Distribution of Ammonia-Oxidizing Archaea along the Kuril Islands in the Western Subarctic Pacific, Front. Microbiol., 30, doi.org/10.3389/fmicb.2017.01247, (2017).査読有

101)  Kim, T., H. Obata, J. Nishioka, T. Gamo, Distribution of dissolved zinc in the western and central subarctic pacific, Global Biogeochmical Cycles 31 (9) 1454-1468, doi: 10.1002/2017GB005711 (2017).査読有

100) Endo, H., H. hattori, T. Mishima, G. Hashida, H. Sasaki, J. Nishioka, K. Suzuki, Phytoplankton community responses to iron and CO2 enrichment in different biogeochemical regions of the Southern Ocean, Polar Biology 40 (11), 2143-2159, doi: 10.1007/s00300-017-2130-3 (2017).査読有

99) Nishioka, J. and H. Obata, Dissolved iron distribution in the western and central subarctic Pacific - HNLC water formation and biogeochemical processes -, Limnology and Oceanography, 2004-2022, doi:10.1002/lno.10548 (2017).査読有


98) Ito, M., K. I. Ohshima, Y. Fukamachi, G. Mizuta, Y. Kusumoto, J. Nishioka, Observations of frazil Sice formation and upward sediment transport in the Sea of Okhotsk: A possible mechanism of iron supply to sea ice, Journal of Geophysical Research-Ocean, DOI 10.1002/2016JC012198 (2017) 査読有

97) Obata, H., J. Nishioka, T. Kim, K. Norisuye, S. Takeda, Y. Wakuta, T. Gamo, Dissolved iron and zinc in Sagami Bay and the Izu-Ogasawara Trench, Journal of Oceanography, DOI 10.1007/s10872-016-0407 (2017) 査読有

96) Tazoe, H. H. Obata, M. Tomita, S. Namura, J. Nishioka, T. Yamagata, Z. Krube, M. Yamada, Novel method for low level Sr-90 activity detection in seawater by combining oxalate precipitation and chelating resin extraction, Geochemical Journal, 51, doi:10.2343/geochemj.2.0441 (2017) 査読有

 

95) 小畑 元、金 泰辰、西岡 純、 北太平洋亜寒帯における鉄の供給過程、 海の研究, 26(3), 79-93, 2017. 査読有

 

94) 平譯 享、高尾信太郎、鈴木光次、西岡 純、渡邉 豊、伊佐田 智規、 衛星による海洋基礎生産力の推定、海の研究, 26(3), 2017. 査読有

93) Tanaka, T., I. Yasuda, K. Kuma, J. Nishioka, Evaluation of the biogeochemical impact of iron-rich shelf water to the Green Belt in the southeastern Bering Sea, Continental Shelf Research, doi.org/10.1016/j.csr.2016.11.008 (2016) 査読有

92) Lannuzel, D., M. Vancoppenolle, P. van der Merwe, J. de Jong, K. M. Meiners, M. Grotti, J. Nishioka, V. Schoemann, Iron in sea ice: Review and new insights, Elementa: Science of the Anthropocene, 4: 000130, doi: 10.12952/journal.elementa.000130 (2016) 査読有

91) Kanna N., J. Nishioka, Bio-availability of iron derived from subarctic first-year sea ice, Marine Chemistry 186, 189-197, doi:.org/10.1016/j.marchem.2016.09.009 (2016) 査読有

90) Tanaka, K., N. Takesue, J. Nishioka, Y. Kondo, A. Ooki, K. Kuma, T. Hirawake, Y. Yamashita, The conservative behavior of dissolved organic carbon in surface waters of the southern Chukchi Sea, Arctic Ocean, during early summer, Scientific Reports 6, doi: 10.1038/srep34123 (2016) 査読有

89) Inoue, M., Y. Shirotani, S. Nagao, H. Kofuji, Y.N. Volkov, J. Nishioka, Migration of the FDNPP-derived 134Cs and 137Cs along with 226Ra and 228Ra concentrations across the northwestern North Pacific Ocean, Journal of Environmental Radioactivity 162, 33-38 (2016) 査読有

88) Edward Mawji, et al., The GEOTRACES intermediate data product 2014, Marine Chemistry, 177, 1-8, doi.org/10.1016/j.marchem.2015.04.005, 2018. 査読有


87) Yamashita, Y., CJ Lu, H Ogawa, J. Nishioka, H Obata, H Saito, Application of an in situ fluorometer to determine the distribution of fluorescent organic matter in the open ocean, Marine Chemistry 177, 298-305, (2015) 査読有

86) Tsuda, A., H Saito, H Kasai, J. Nishioka, T Nakatsuka, Vertical segregation and population structure of ontogenetically migrating copepods Neocalanus cristatus, N. flemingeri, N. plumchrus, and Eucalanus bungii during the ice-free season in the Sea of Okhotsk, J. Oceanogr., 71, 271-285. (2015) 査読有

85) Lisa A Miller, Francois Fripiat, Brent GT Else, Jeff S Bowman, Kristina A Brown, R Eric Collins, Marcela Ewert, Agneta Fransson, Michel Gosselin, Delphine Lannuzel, Klaus M Meiners, Christine Michel, J. Nishioka, Daiki Nomura, Stathys Papadimitriou, Lynn M Russell, Lise Lotte Sorensen, David N Thomas, Jean-Louis Tison, Maria A van Leeuwe, Martin Vancoppenolle, Eric W Wolff, Jiayun Zhou, Methods for biogeochemical studies of sea ice: The state of the art, caveats, and recommendations, Elementa: Science of the Anthropocene, 1-53, DOI 10.12952/journal.elementa.000038.(2015). 査読有

84) Tajin Kim, Hajime Obata, Toshitaka Gamo, Jun Nishioka, Sampling and onboard analytical methods for determining subnanomolar concentrations of zinc in seawater, Limnology and Oceanography: Methods, 13:1, 30-39.(2015). 査読有

83) Yoshimura,T.,J. Nishioka, H Ogawa, K Kuma, H Saito, A Tsuda, Dissolved organic phosphorus production and decomposition during open ocean diatom blooms in the subarctic Pacific, Marine Chemistry 165, 45-54.(2014). 査読有


82) Nanako Hioki, Kenshi Kuma, Yuichirou Morita, Ryouhei Sasayama, Atsushi Ooki, Yoshiko Kondo, Hajime Obata,J. Nishioka, Youhei Yamashita, Shigeto Nishino, Takashi Kikuchi, Michio Aoyama, Laterally spreading iron, humic-like dissolved organic matter and nutrients in cold, dense subsurface water of the Arctic Ocean, Scientific reports 4.(2014)査読有

81) Kenshi Kuma, Ryohei Sasayama, Nanako Hioki, Yuichiroh Morita, Yutaka Isoda, Tohru Hirawake, Keiri Imai, Takafumi Aramaki, Tomohiro Nakamura,Jun Nishioka, Naoto Ebuchi, Chemical evidence for the origin of the cold water belt along the northeastern coast of Hokkaido, Journal of oceanography 70:4, 126, 377-387.(2014). 査読有

80) Nishioka, J., I. Yasuda, H. Liu, T. Nakatsuka, Y.N. Volkov, Biogeochemical and physical processes in the Sea of Okhotsk and the linkage to the Pacific Ocean; Preface, Progress in Oceanography, 126, 1-7, doi:10.1016/j.pocean.2014.04.027.(2014). 査読有

79) Nishioka, J., T. Nakatsuka, K. Ono, Y.N. Volkov, A. Scherbinin, T. Shiraiwa, Quantitative evaluation of iron transport processes in the Sea of Okhotsk, Progress in Oceanography, 126, 180-193, doi:10.1016/j.pocean.2014.04.011. (2014). 査読有

78) Yoshimura, T., J. Nishioka, H. Ogawa, K. Kuma, H. Saito, A. Tsuda, Dissolved organic phosphorus production and decomposition during open ocean diatom blooms in the subarctic Pacific, Marine Chemistry, 165, 46?54, doi:10.1016/j.marchem.2014.08.003. (2014). 査読有

77) Yoshimura, T., K. Sugie, H. Endo, K. Suzuki, J. Nishioka, T. Ono, Organic matter production response to CO2 increase in open subarctic plankton communities: Comparison of six microcosm experiments under iron-limited and -enriched bloom conditions, Deep Sea Research part I, 94, 1-14, doi:10.1016/j.dsr.2014.08.004 (2014). 査読有

76) Kanna, N., T. Toyota, J. Nishioka, Iron and macro-nutrient concentrations in sea ice and their impact on the nutritional status of surface waters in the southern Okhotsk Sea, Progress in Oceanography, 126, 44-57, doi:10.1016/j.pocean.2014.04.012 (2014). 査読有

75) Itoh, S., Y. Tanaka, S. Osafune, I. Yasuda, M. Yagi, H. Kaneko, S. Konda, J. Nishioka, Y.N. Volkov, Direct breaking of large-amplitude internal waves in the Urup Strait, Progress in Oceanography, 126, 109-120, doi:10.1016/j.pocean.2014.04.014 (2014). 査読有

74) Itoh, H., J. Nishioka, A. Tsuda, Community structure of mesozooplankton in the western part of the Sea of Okhotsk in summer, Progress in Oceanography, 126, 224-232, doi:10.1016/j.pocean.2014.05.008 (2014). 査読有

73) Tanaka, Y., I. Yasuda, S. Osafune, T. Tanaka, J. Nishioka, Y.N. Volkov, Internal tides and turbulent mixing observed in the Bussol Strait, Progress in Oceanography, 126, 98-108, doi:10.1016/j.pocean.2014.04.009 (2014). 査読有

72) Uchimoto, K., T. Nakamura, J. Nishioka, H. Mitsudera, K. Misumi, D. Tsumune, M. Wakatsuchi, Simulation of high concentration of iron in dense shelf water in the Okhotsk Sea, Progress in Oceanography, 126, 194-210, doi:10.1016/j.pocean.2014.04.018 (2014). 査読有

71) Suzuki, K., A. Hattori-Saito, Y. Sekiguchi, J. Nishioka, M. Shigemitsu, T. Isada, H. Liu, R.M.L. Mckay, Spatial variability in iron nutritional status of large diatoms in the Sea of Okhotsk with special reference to the Amur Riover discharge, Biogioscience, 11, 2503-2517, doi:10.5194/bg-11-2503-2014 (2014). 査読有

70) Nishioka, J., T. Nakatsuka, Y. W. Watanabe, I. Yasuda, K. Kuma, H. Ogawa, N. Ebuchi, A. Scherbinin, Y. N. Volkov, T. Shiraiwa and M. Wakatsuchi, Intensive mixing along an island chain controls oceanic biogeochemical cycles, GLOBAL BIOGEOCHEMICAL CYCLES 27, 1?10, doi:10.1002/gbc.20088 (2013). 査読有

69) Nishioka, J., Obata, H., Tsumune, D. (2013) Evidence of an extensive spred of hydrothermal dissolved iron in the Indian Ocean, Earth and Planetary Science Letters 361, 26-33, doi:org/10.1016/j.epsl.2012.040.

68) Sugie, K., H. Endo, K. Suzuki, J. Nishioka, H. Kiyosawa and T. Yoshimura, Synergistic effects of pCO2 and iron availability on nutrient consumption ratio of the Bering Sea phytoplankton community, Biogioscience, 10, 6309-6321, doi:10.5194/bg-10-6309-2013 (2013). 査読有

67) Yoshimura, T., K. Suzuki, H. Kiyosawa, T. Ono, H. Hattori, K. Kuma, J. Nishioka, Impacts of elevated CO2 on particulate and dissolved organic matter production: microcosm experiments using iron-deficient plankton communities in open subarctic waters, J Oceanogr., 69:601?618, DOI 10.1007/s10872-013-0196-2, (2013). 査読有

66) Shigemitsu, M., J. Nishioka, Y.W. Watanabe, Y. Yamanaka, T. Nakatsuka, Y.N. Volkov, Fe/Al ratios of suspended particulate matter from intermediate water in the Okhotsk Sea : Implications for long-distance lateral transport of particulate Fe, Marine Chemistry, 157, 41-48, (2013). 査読有

65) Sugie, K., J. Nishioka, K. Kuma, Y. N. Volkov, and T. Nakatsuka, Availability of particulate Fe to phytoplankton in the Sea of Okhotsk, Marine Chemistry, 152, 20-31, (2013). 査読有

64) Watanabe, Y. W., J. Nishioka, and T. Nakatsuka, Decadal time evolution of oceanic uptake of anthropogenic carbon in the Okhotsk Sea, Geophysical Research Letters 40, 1?5, doi:10.1002/grl.50113, (2013). 査読有

63) Isada, T., T. Iida, H. Liu, S. Saitoh, J. Nishioka, T. Nakatsuka, and K. Suzuki, Influence of Amur River discharge on phytoplankton photophysiology in the Sea of Okhotsk during late summer, Journal of Geophysical Research-Ocean, 118, 4, 1995?2013, DOI: 10.1002/jgrc.20159, (2013). 査読有

62) Kondo, Y., S. Takeda, J. Nishioka, M. Sato, H. Saito, K. Suzuki, K. Furuya, Growth stimulation and inhibition of natural phytoplankton communities by model organic ligands in the western subarctic Pacific, J Oceanogr. 69, 1 97-115   DOI: 10.1007/s10872-012-0160-6, (2013). 査読有

61) Shigemitsu, M., T. Okunishi, J. Nishioka, H. Sumata, T. Hashioka, M. N. Aita, S. L. Smith, N. Yoshie, N. Okada, and Y. Yamanaka, Development of a one-dimensional ecosystem model including the iron cycle applied to the Oyashio region, western subarctic Pacific, J. Geophys. Res.- Ocean, doi: 10.1029/2011jc007689, (2012). 査読有

60) Tanaka, T. I. Yasuda, K, Kuma, , J. Nishioka, Vertical turbulent iron flux sustains the Green Belt along the shelf break in the southeastern Bering Sea, Geophysical Research Letters 39, DOI: L0860310.1029/2012gl051164 (2012). 査読有.

59) 杉山昌広、西岡 純、藤原正智 , (2011) 気候工学(ジオエンジニアリング)、天気 58, 7, 3-24.

58) Misumi, K., D. Tsumune , Y. Yoshida , K. Uchimoto, T. Nakamura , J. Nishioka , H. Mitsudera , F. Bryan , K. Lindsay , J. Moore , S. C. Doney, (2011) Mechanisms controlling dissolved iron distribution in the North Pacific: A model study, J. Geophys. Res.- Biogeosciences, doi:10.1029/2010JG001541.

57) Uchimoto, K., T. Nakamura, J. Nishioka, H. Mitsudera, M. Yamamoto-Kawai, K. Misumi, and D. Tsumune , (2011) Simulations of chlorofluorocarbons in and around the Sea of Okhotsk: Effects of tidal mixing and brine rejection on the ventilation, J. Geophys. Res.-Ocean, 116, C02034, doi:10.1029/2010JG001541

56) Nishioka, J., T. Ono, H. Saito, K. Sakaoka, T. Yoshimura (2011) The annual cycle of surface iron and the source of iron supporting the spring diatom bloom in the Oyashio region, western subarctic pacific, JGR-Ocean, 116, C02021, doi:10.1029/2010JC006321.

55) Tsuda, A., K. Fukami, H. Kiyosawa, K. Suzuki, S. Takeda, J. Nishioka, Mac Takahashi, K. Johnson, C.S.Wong,(2010) Response of lower trophic organisms to nutrient input ant effects on carbon budjet: a mesocosm experiment, Plankton Benthos Res., 5(4), 144-155.

54) Boye, M., Nishioka, J., Croot, P., Laan, P., Timmermans, K. R., Strass, V. H., Takeda, S., de Baar, H. J. W. (2010) Significant portion of dissolved organic Fe-complexes in fact is Fe colloids, Marine Chemistry, doi: 10.1016/j.marchem.2010.09.001.

53) Yoshimura T, Nishioka J, Suzuki K, Hattori H, Kiyosawa H, Watanabe YW (2010) Impacts of elevated CO2 on phytoplankton community composition and organic carbon dynamics in nutrient-depleted Okhotsk Sea surface waters. Journal of Experimental Marine Biology and Ecology, doi: 10.1016/j.jembe2010.09.001. 

52) Ito, S., Yasuda, I., Nakatsuka, Y., Nishioka, J., Volkov, Y. N. (2010) Fine- and microstructure observations in the Urup Straight, Kuril Islands, during August 2006, Journal of Geophysical Research 115 (8) C08004, doi:10.1029/2009JC005629. 

51) Yoshimura, T., Nishioka J., Nakatsuka, T. (2010) Iron nutritional status of the phytoplankton assemble in the Okhotsk Sea during summer, Deep Sea Res. part I, doi: 10.1016/j.dsr.2010.08.003

50) Yamashita, Y., Cory, R. M., Nishioka, J., Kuma, K., Tanoue, E., Jaffe, R., (2010) Fluorescence characteristics of dissolved organic matter in the deep waters of the Okhotsk Sea and northwestern North Pacific Ocean, Deep Sea Res. part II 57 (16), pp.1478-1485. 

49) Nomura, D., J., Nishioka, M. A. Granskog, A. Krell, S. Matoba, T. Toyota, H. Hattori, K. Shirasawa, (2010), Nutrient distribution in sea ice in the southern Sea of Okhotsk., Marine Chemistry, 119, 1-8. 

48) Hattori, A., J., Nishioka, T. Ono, R. M. L. McKay, K. Suzuki, (2010), Fe deficiency in micro-sized diatom in the Oyashio region of the western subarctic Pacific during spring, J. Oceanography, 66, 105-115. 

47) Nishioka, J., S. Takeda, Y. Kondo, H. Obata, T. Doi, D. Tsumune, C. S. Wong, W. K. Johnson, A. Tsuda, (2009) Changes in iron concentrations and bio-availability during an open ocean mesoscale iron enrichment experiment in the western subarctic pacific, SEEDS II, Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.06.006. 

46) Saito, H., A. Tsuda, Y. Nojiri, T. Aramaki, H. Ogawa, T. Yoshimura, K. Imai, I. Kudo, J. Nishioka, T. Ono, K. Suzuki, S. Takeda, (2009)Biogeochemical cycling of N and Si during the mesoscale iron-enrichment experiment in the western subarctic Pacific (SEEDS II), Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.06.010. 

45) Suzuki, K., H. Saito, T. Isada, A. Hattori-Saito, H. Kiyosawa, J. Nishioka, R. M. L. McKay, A. Kuwata, A. Tsuda, (2009) Community structure and photosynthetic physiology of phytoplankton in the northwest subarctic pacific during in situ iron fertilization experiment (SEEDS-II) Deep Sea Res. Part II, doi:10.1016/.dsr2.2009.06.001. 

44) Nakatsuka, S., K. Okamura, S. Takeda, J. Nishioka, M. L. Firdaus, K. Norisuye, Y. Sohrin, (2009) Behaviors of dissolved and particulate Co, Ni, Cu, Zn, Cd, and pB during a mesoscale Fe enrichment experiment (SEEDS II)in the western north Pacific, Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.06.008.

43) Yoshimura, Y., H. Ogawa, K. Imai, T. Aramaki, Y. Nojiri, J. Nishioka, A. Tsuda, (2009) Dynamics and elemental stoichiometry of carbon, nitrogen, and phosphorus in particulate and dissoved organic pools during a phytoplankton bloom induced by in situ iron enrichment in the western subarctic Pacific (SEED II), Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.06.011. 

42) Higgins, J. L., I. Kudo, J. Nishioka, A. Tsuda, S. W. Wilhelm, (2009) The response of the virus community to the SEEDS II mesoscale iron fertilization, Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.06.005. 

41) Tsumune, D., J. Nishioka, A. Shimamoto, Y. W. Watanabe, T. Aramaki, Y. Nojiri, S., Takeda, A. Tsuda, T. Tsubono, (2009) Physical behaviors of the iron-fertilized patch in SEEDS II, Deep Sea Res. part II, doi:10.1016/j.dsr2.2009.07.004.

40) Watanabe, Y. W,, J., Nishioka, S., Shigemitsu, A., Mimura, T. Nakatsuka, (2009) Increases of alkalinity and pH in the Okhotsk Sea during the 1990s and 2000s, Geophys. Res. Lett., doi:10.1029/2009GL038520.

39) Liu, H., K., Suzuki, J., Nishioka, R., Sohrin, T. Nakatsuka, (2009)Phytoplankton growth and microzooplankton grazing in the Sea of Okhotsk during late summer of 2006, Deep-Sea Research Part I, 56(4), 561-570, doi:10.1016/j.dsr.2008.12.003.

38) Ooki, A, J. Nishioka, T. Ono, S. Noriki, (2009), Size dependence of iron solubility of Asian mineral dust particles, Journal of Geophysical Research, 114, D03202, doi:10.1029/2008JD010804.

37) Kondo, Y., S. Takeda, J. Nishioka, H. Obata, K. Furuya, W. K. Johnson, and C. S. Wong (2008), Organic iron (III) complexing ligands during an iron enrichment experiment in the western subarctic North Pacific, Geophys. Res. Lett., 35, L12601, doi:10.1029/2008GL033354.

36) Tsuda, A., Takeda, S., Saito, H., Nishioka, J., Kudo, I., Nojiri, Y., Suzuki, K., Uematsu, M., Wells, M. L., Tsumune, D., Yoshimura, T., Aono, T., Aramaki, T., Cochlan, W. P., Hayakawa, M., Imai, K., Isada, T., Iwamoto, Y., Johnson, W. K., Kameyama, S., Kato, S., Kiyosawa, H., Kondo Y., Levasseur, M., Machida, R., Nagao, I., Nakagawa, F., Nakanishi, T., Nakatsuka, S., Narita, A., Noiri, Y, Obata, H., Ogawa, H., Ono, T., Skuragi, T., Sasakawa, M., Sato, M., Shimamoto, A., Takata, H., Trick, C. G., Watanabe, Y. W., Wong, C. S., Yoshie, N. (2007), Evidence for the grazing hypothesis: grazing reduces phytoplankton responses of the HPLC ecosystem to iron enrichment in the western subarctic Pacific (SEED II). Journal of Oceanography.63: 983-994.


35) Nishioka, J., T. Ono, H. Saito, et al., T. Nakatsuka, S. Takeda, T. Yoshimura, K. Suzuki, K. Kuma, S. Nakabayashi, D. Tsumune, H. Mitsudera, W. K. Johnson, A. Tsuda, (2007) Iron input into the western subarctic Pacific, importance of iron export from the Sea of Okhotsk, Journal of Geophysical Research, 112, C10012, doi:10.1029/2006JC004055.

34) Wong,C.S., W.K.. Johnson, N. Sutherland, S. Takeda, J. Nishioka, (2006), Iron Dynamics ,Temporal change of Iron Speciation in SERIES: Relationship to Nutrients and fCO2, Deep Sea Res-II, 53, 20-22, 2075-2094

33) Kudo, I., Y. Noiri, H. Kyosawa, J. Nishioka and A. Tsuda, (2006) Phytoplankton community response to Fe and temperature gradient in the NE (SERIES and NW(SEED) subarctic Pacific Ocean, Deep Sea Res-II, 53, 20-22, 2201-2213

32) Yoshimura, T, J. Nishioka, H. Saito, S. Takeda, A. Tsuda and M. L. Wells (2006) Distributions of particulate and dissolved organic and inorganic phosphorus in North Pacific surface waters., Marine Chemistry 103, 1-2, 112-121

31) Iwade, S., K. Kuma, Y. Isoda, M. Yoshida, I. Kudo, , J. Nishioka, and K. Suzuki , (2006) Impact of high iron concentrations of iron uptake and growth of a coastal diatom Chaetoceros sociale. Aquat. Microbial. Ecol.43, 177-191.

30) Tsuda, A, H. Saito, J. Nishioka, T. Yoshimura, T. Ono, Y. Noiri, I. Kudo, (2006) Mesozooplankton responses to iron enrichment during the diatom bloom and declining periods in the NE Pacific (SERIES), Deep Sea Res-II, 53, 20-22, 2281-2296

29) Saito H., A. Tsuda, Y. Nojiri, J. Nishioka, S. Takeda, H. Kiyosawa, I. Kudo, Y. Noiri, T. Ono, Y. Taira, K. Suzuki, T. Yoshimura, P. W. Boyd, M. Levasseur, (2006) Nutrients and phytoplankton dynamics during the stationary to declining phases of the phytoplankton bloom induced by iron-enrichment in the eastern subarctic Pacific, Deep Sea Res-II, 53, 20-22, 2168-2181

28) Saito, H, T. Ohta, K. Suzuki, , J. Nishioka, A. Tsuda, (2006) Role of heterotrophic dinoflagellate Gyrodinium sp. in the fate of an iron induced diatom bloom. Geophys. Res. Lett., 33, L09602, doi:10.1029/2005GL025366

27) 西岡 純 (2006)、北太平洋における鉄の存在状態と鉄が生物生産におよぼす影響に関する研究、海の研究 15, 1, 19-36

26) De Baar, H., P.W. Boyd, K.H. Coale, M.R. Landry, A. Tsuda, P. Assmy, D.C.E.Bakker, Y. Bozec, R.T. Barbar, M.A. Brzezinski, K.O. Buesseler, M. Boye, P.L. Croot, F. Gervais, M.Y. Gorbunov, P.J. Harrison, W.T. Hiscock, P. Laan, C. Lancelot, C. Law, M. Levasseur, A. Marchetti, F.J. Millero, J. Nishioka, Y. Nojiri, T. van Oijen, U. Riebesell, M.J.A. Rijkenberg, H. Saito, S. Takeda, K.R. Timmermans and M.J.W. Veldhuis, doi: 10.1029/2004JC002601, (2005), Synthesis of 8 Iron Fertilization Experiments: from the Iron Age in the Age of Enlightenment, J.G.R Ocean

25) Boye, M., J. Nishioka, P.L. Croot, P. Laan, K.R. Timmermans and H.J.W. de Baar, (2005), Major deviation of iron complexation during 22 days of a mesoscale iron enrichment in the open Southern Ocean, Marine Chemistry 96, 257-271.

24) Nishioka, J., S. Takeda, H. J. W. de Baar, Patric Laan, P. L. Croot, M. Boye, K. R. Timmermans (2005) Change in the concentrations of iron in different size fractions during an iron fertilization experiment in the open Southern Ocean, Marin Chemistry 95, 51-63.

23) Croot, P. L., P. Laan. J. Nishioka, V. Strauss, M. Boye, K. Timmermanss, R.G. Bellerby, L. Goldson, P. Nightingale, H.J.W. debar (2005) Spatial and Temporal distribution of Fe (II) and H2O2 during EisenEx, an open ocean mesoscale iron enrichment, Marin Chemistry 95, 65-88.

22) Ramaiah, N., S. Takeda, K. Furuya, T. Yoshimura, J. Nishioka, T. Aono, Y. Nojiri, K. Imai, I. Kudo, H. Saito and A. Tsuda, (2005) Effect of iron enrichment on the dynamics of transparent exopolymer particles in the western subarctic Pacific, Progress in Oceanography,64, 253-262.

21) Tsumune, D., J. Nishioka, A. Shimamoto, S. Takeda and A. Tsuda, (2005) Physical behavior of the SEEDS iron-fertilized patch by sulphur hexafluoride tracer release, Progress in Oceanography,64, 111-128.

20) Y. Noiri, I. Kudo, H. Kiyosawa, J. Nishioka, A. Tsuda, (2005) Iron and Temperatue, two factors influencing phytoplankton species composition in the western subarctic Pacific Ocean, Progress in Oceanography 64. 149-166.

19) Tsuda A., H. Kiyosawa, A. Kuwata, M. Mochizuki, N. Shiga, H. Saito, S. Chiba, K., Imai, J. Nishioka, T. Ono, N. Lundholm, (2005) Responses of diatoms to iron-enrichment in the western subarctic Pacific, and comparison of species composition with those of surrounding area, Progress in Oceanography 64. 189-206.

18) Kudo, I., Y. Noiri, K. Imai, Y. Nojiri, J. Nishioka and A. Tsuda, (2005) Primary productivity and nitrogenous nutrient assimilation dynamics during the Subarctic Pacific Iron Experiment for Ecosystem Dynamics Study (SEEDS), Progress in Oceanography 64, 207-222.

17) Kinugasa M, T. Ishita , Y. Sohrin , K. Okamura , S. Takeda , J. Nishioka and A. Tsuda, (2005) Dynamics of trace metals during the subarctic Pacific iron experiment for ecosystem dynamics study (SEEDS2001), Progress in Oceanography 64, 129-148.

16) Tsuda, A., H. Saito, J. Nishioka and T. Ono, (2005) Mesozooplankton responses to iron-fertilization in the western subarctic Pacific (SEEDS2001), Progress in Oceanography 64, 237-252.

15) van Oijen, T., M.J.W. Veldhuis, M.Y. Gorbunov, J. Nishioka, M. A. van Leeuwe, H.J.W. de Baar, (2004) Enhanced carbonhydrate production by Southern Ocean phytoplankton in response to in situ iron fertilization, Marin Chemistry 93(1) 33-52.

14) Takata, H., K. Kuma, S. Iwade, Y. Yamajyoh, A. Yamaguchi, S. Takagi, K. Sakaoka, Y. Yamashita, E. Tanoue, T. Midorikawa, K. Kimura and J. Nishioka (2004) Spatial variability of iron in the surface water of the northwestern North Pacific Ocean, Marine Chemistry 86 139-157.

13) Boyd, P.W., C.S. Law, C.S. Wong, Nojiri, Y., A. Tsuda, M. Levasseur, S. Takeda, R. Rivkin, P.J. Harrison, R. Strzepek, J. Gower, R.M. Mckay, E. Abraham, M. Arychuk, J. Barwell-Clarke, W. Crawford, M. Hale, K. Harada, K. Johnson, H. Kiyosawa, I. Kudo, A. Marchetti, W. Miller, J. Needoba, J. Nishioka, H. Ogawa, J. Page, M. Robert, H. Saito, A. Sastri, N. Sherry, T. Soutar, N. Sutherland, Y. Taira, F. Whitney, S.E. Wong, T. Yoshimura (2004) The decline and fate of an iron-induced subarctic phytoplankton bloom, Nature, 428, 549-553

12) Nishioka, J., S. Takeda, I. Kudo, D. Tsumune, T. Yoshimura, K. Kuma and A. Tsuda (2003) Size-fractionated iron and iron-limitation processes in the subarctic NW Pacific, Geophysical Research Letters, Vol 30, No. 14, 1730, doi:10.1029/2002GL016853.

11) Tsuda, A., S. Takeda, H. Saito, J. Nishioka, Y. Nojiri, I. Kudo, H. Kiyosawa, A. Shiomoto, K. Imai, T. Ono, A. Shimamoto, D. Tsumune, T. Yoshimura, T. Aono, A. Hinuma, M. Kinugasa, K. Suzuki, Y. Sohrin, Y. Noiri, H. Tani, Y. Deguchi, N. Tsurushima, H. Ogawa, K. Fukami, K. Kuma, T. Saino (2003) A mesoscale iron enrichment in the western subarctic Pacific induces large centric diatom bloom, Science, 300, 958-961.

10) Tani, H., J. Nishioka, K. Kuma, H. Takata, Y. Yamashita, E. Tanoue and T. Midorikawa.(2003) Iron (III) hydroxide solubility and humic-type fluorescent organic matter in the deep water column of Okhotsk Sea and the northwestern North Pacific Ocean, Deep Sea-Research I 50, 1063-1078.

9) Ono, T., K. Tadokoro, T. Midorikawa, J. Nishioka and T. Saino, (2002) Multi-decadal decrease of net community production in western subarctic North Pacific, Geophysical research letters, 29, 8, 10.1029/2001 GL014332.

8) Suzuki, K., A. Tsuda, H. Kiyosawa, S. Takeda, J. Nishioka, T. Saino, M. Takahashi, C. S. Wong. (2002) Grazing impact of microzooplankton on a diatom bloom in a mesocosm as estimated by pigment-specific dilution technique, Jornal of Experimental Marine Biology and Ecology, 271 , 99-120. 

7) Nishioka. J., S. Takeda and C.S. Wong (2001) Change in the concentrations of iron in different size fractions during a phytoplankton bloom in controlled ecosystem enclosures, Journal of Experimental Marine Biology and Ecology, 258, 237-255.

6) Nishioka, J., S. Takeda, C. S. Wong and W. K. Johnson (2001) Size-fractionated iron concentrations in the northeast Pacific Ocean: distribution of soluble and small colloidal iron, Marine Chemistry, 74, 157-179.

5) 池谷 透・中谷誠治・深堀芳雄・西岡 純・武田重信・川延京子・高橋正征 (2001) 海洋深層水による亜熱帯表層水の肥沃化効果の屋外メソコスム実験による検証(Evaluation of Fertilization Effects of Deep Ocean Water on Surface Water Phytoplankton community by Mesocosm Experiments in Subtropical Ocean)、海洋深層水研究 2: 73-86

4) Nishioka, J., S. Takeda, (2000) Change in the concentrations of iron in different size fractions during growth of the Oceanic diatom Chaetoceros sp.: importance of small colloidal iron, Marine Biology, 137:231-238.

3) Matsunaga, K., J. Nishioka, K. Kuma, K. Toya and Y. Suzuki. (1998) Riverine Input of Bioavailable Iron Supporting Phytoplankton Growth in Kesennuma Bay (Japan), Water Research, 32(11), 3436-3442.

2) Kuma, K, A. Katsumoto, J. Nishioka and K. Matsunaga, (1998) Size-fractionated iron concentrations and Fe(III) hydroxide solubilities in various coastal waters, Estuarine, Coastal and Shelf Science, 47: 275-283.

1) Kuma, K, J. Nishioka and K. Matsunaga, (1996) Controls on iron(III) hydroxide solubility in seawater: The influence of pH and natural organic chelators, Limnol. Oceanogr.,41: 396-407.

 

 

 

Field Experience:

February 2019         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

July-Sep 2018

Western Bering Sea, (Otaru-Otaru), aboard the Prof. Multanovsky, Cruise PI

January 2018

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

Oct-Nov 2017         

Western subarctic-subtropical North Pacific, (Tokyo-Tokyo) aboard the Hakuho-maru

June-Aug 2017         

Subarctic North Pacific, GEOTRACES (Tokyo-Vancouver) aboard the Hakuho-maru

February 2017       

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

December 2016         

Western subtropical North Pacific (Tokyo-Tokyo) aboard the Hakuho-maru

November  2016      

Okhotsk Sea (Hakodate-Abashiri) aboard the Oshoro-maru

June-July  2016       

Western subarctic North Pacific (Tokyo-Hachnohe) aboard the Oshoro-maru

December 2015        

Kuroshio-area, western North Pacific (Nagasaki-Tokyo) aboard the Hakuho-maru

March 2015                

Oyashio-area, western North Pacific (Tokyo-Tokyo) aboard the Hakuho-maru, Cruise PI

December 2014 – January 2015         

Southern Ocean-South Pacific, GEOTRACES (Tokyo- Auckland) aboard the Hakuho-maru

June – July 2014         

East Kamchatka Current (Otaru-Otaru) aboard the Prof. Multanovsky, Cruise PI

February 2014         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

January 2014

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

November 2013         

Okhotsk sea (Otaru-Otaru) aboard the Oshoro-maru

June – July 2013         

Arctic Ocean (Duch-Hurber-Hakodate) aboard the Oshoro-maru

February 2013         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

August – October 2012         

Subarctic North Pacific, GEOTRACES (Tokyo-Vancouver) aboard the Hakuho-maru

July 2012         

Subarctic-subtropical western North Pacific (Tokyo-Pohnpei) aboard the Hakuho-maru

February 2012         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

July – August 2011         

Okhotsk sea, East Kamchatka (Otaru-Otaru) aboard the Prof. Gordienko, Cruise PI

June 2011         

Japan Sea (Hakodate-Akita) aboard the Oshoro-maru

February 2011         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

October – November 2010         

Japan sea - North Pacific (Nagasaki-Hakodate) aboard the Oshoro-maru

October 2010         

Oyashio-areaa, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

May – June 2010         

Okhotsk Sea  (Otaru-Otaru) aboard the Prof. Khromov, Cruise PI

February 2010         

Okhotsk sea, sea-ice expedition (Otaru-Otaru) aboard the Soya

November 2009 – January 2010         

Indian Ocean, GEOTRACES (Cochin-Cape Town) aboard the Hakuho-maru

August – September 2009         

Subarctic North Pacific, Bering Sea (Tokyo-Duch Hurber) aboard the Hakuho-maru

June 2009         

Subarctic North Pacific (Hakodate-Duch Hurber) aboard the Oshoro-maru

February 2009         

Oyashio-area, western subarctic Pacific (Hakodate-Hakodate) aboard the Oshoro-maru

July – September 2008        

Western subarctic Pacific (Tokyo-Tokyo) aboard the Hakuho-maru

January 2008        

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

October 2007        

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

August – September 2007        

Okhotsk Sea, IPY-GEOTRACES  (Otaru-Otaru) aboard the Prof. Khromov, Cruise PI

May 2007        

Oyashio-area, western subarctic Pacific  (Hakodate-Hakodate) aboard the Oshoro-maru

January 2007       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

August – September 2006        

Okhotsk Sea, IPY-GEOTRACES  (Otaru-Otaru) aboard the Prof. Khromov, Cruise PI

January 2006       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

December 2005       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

October 2005       

Oyashio-area, western subarctic Pacific (Hakodate-Hakodate) aboard the Oshoro-maru

January 2005       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

July – August 2004       

Western subarctic Pacific, SEEDS II Fe fertilization experiment (Tokyo-Tokyo) aboard the Hakuho-maru

January 2004       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

September – October 2003       

Subarctic North Pacific (Tokyo-Tokyo) aboard the Hakuho-maru

May 2003      

Oyashio-area, western subarctic Pacific (Shiogama-Shiogama) aboard the Wakataka-maru

April 2003      

Oyashio-area, western subarctic Pacific (Shiogama-Shiogama) aboard the Wakataka-maru

March 2003      

Oyashio-area, western subarctic Pacific (Hakodate-Hakodate) aboard the Oshoro-maru

February 2003      

Oyashio-area, western subarctic Pacific (Hakodate-Hakodate) aboard the Oshoro-maru

January 2003       

Oyashio-area, western subarctic Pacific (Kushiro-Kushiro) aboard the Hokko-maru

August – September 2002       

Eastern subarctic Pacific (Sidney-Sidney) aboard the J. P. Tully

June – August 2002       

Eastern subarctic Pacific, SERIES Fe fertilization experiment (Duch-Hurber- Vancouver) aboard the Kaiyo-Maru

June – August 2001       

Western subarctic Pacific, SEEDS I Fe fertilization experiment (Tokyo-Tokyo) aboard the Kaiyo-Maru

October – December 2000       

Southern Ocean, EisenEX Fe fertilization experiment (CapeTown- CapeTown) aboard the POLARSTERN

May – June 2000       

Western subarctic Pacific, Okhotsk Sea (Mutsu-Mutsu) aboard the Mirai

February 1999       

Eastern subarctic Pacific (Sidney-Sidney) aboard the J. P. Tully

August – September 1998       

Eastern subarctic Pacific (Sidney-Sidney) aboard the J. P. Tully

June 1998       

Eastern subarctic Pacific (Sidney-Sidney) aboard the J. P. Tully

December 1997       

Western subarctic Pacific (Shiogama- Shiogama) aboard the Daigo-Kaiko-maru

August – September 1997       

Eastern subarctic Pacific (Sidney-Sidney) aboard the J. P. Tully

August 1995       

Western subarctic Pacific (Shimizu-Yokohama) aboard the Sogen-maru

July 1994       

Western subarctic Pacific (Hakodate-Hakodate) aboard the Hokusei-maru

June – August 1993       

Western subarctic Pacific, Indian Ocean (Hakodate-Hakodate) aboard the Oshoro-maru

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