Koji Sugie, Masahide Wakita, Shoko Tatamisashi, Makoto Takada, Takashi Yusa, Ken-ichi Sasaki, Hiroto Abe, Takahiro Tanaka. Protist dynamics in the eastern Tsugaru Strait, Japan from 2010 to 2018: Implications for the relationship between decadal climatology and aquaculture production. ENVIRONMENTAL RESEARCH, 2024, 244, doi: 10.1016/j.envres.2023.115691
Christian Lønborg, Masahide Wakita, et al.. A global database of dissolved organic matter (DOM) concentration measurements in coastal waters (CoastDOM v1). Earth System Science Data, 2024, 16, p. 1107-1119, doi: 10.5194/essd-16-1107-2024
Tsuneo Ono, Daisuke Muraoka, Masahiro Hayashi, Makiko Yorifuji, Akihiro Dazai, Shigeyuki Omoto, Takehiro Tanaka, Tomohiro Okamura, Goh Onitsuka, Kenji Sudo, Masahiko Fujii , Ryuji Hamanoue, Masahide Wakita. Short-term variation in pH in seawaters around coastal areas of Japan: characteristics and forcings. Biogeosciences, 2024, 21, 1, p. 177-199, doi: 10.5194/bg-21-177-2024
Shigeyoshi Otosaka, Yunxuan Hou, Masahide Wakita, Youhei Yamashita, Jun Nishioka, Hajime Obata, Yosuke Miyairi, Yusuke Yokoyama, Hiroshi Ogawa. Origin and Transport of Dissolved Organic Matter in the Northwestern Margin of the North Pacific Inferred from Radiocarbon Signatures. JOURNAL OF COASTAL RESEARCH, 2024, 116, sp1, doi: 10.2112/jcr-si116-037.1
Kyosei Morimotoa, Yusuke Hamao, Tomoyasu Yamazaki, Shoko Tatamisashi, Masahide Wakita, Kohei Matsuno. Seasonal variation in microplankton communities in Suttsu, Hokkaido, northern Japan, from 2020 to 2022. Regional Studies in Marine Science, 2023, 69, doi: 10.1016/j.rsma.2023.103322
Masahiko Fujii, Ryuji Hamanoue, Lawrence Patrick Cases Bernardo, Tsuneo Ono, Akihiro Dazai, Shigeyuki Oomoto, Masahide Wakita, Takehiro Tanaka. Assessing impacts of coastal warming, acidification, and deoxygenation on Pacific oyster (Crassostrea gigas) farming: a case study in the Hinase area, Okayama Prefecture, and Shizugawa Bay, Miyagi Prefecture, Japan. Biogeosciences, 2023, 20, 22, p. 4527-4549, doi: 10.5194/bg-20-4527-2023
Akira Nagano, Hitoshi Kaneko, Masahide Wakita. Interannual sea-level variation around mainland Japan forced by subtropical North Pacific wind and its possible impact on the Tsugaru warm current. OCEAN DYNAMICS, 2023, 73, p. 761-771, doi: 10.1007/s10236-023-01580-w
Yoshihisa Mino, Chiho Sukigara, Hajime Kawakami, Masahide Wakita, Makio C. Honda. Mesopelagic particulate nitrogen dynamics in the subarctic and subtropical regions of the western North Pacific. Frontiers in Earth Science, 2023, 11, doi: 10.3389/feart.2023.1176889
Yoshihisa Mino, Chiho Sukigara, Atsushi Watanabe, Akihiko Morimoto, Kaori Uchiyama-Matsumoto, Masahide Wakita, Takashi Ishimaru. Rapid increase of surface water pCO2 revealed by settling particulate organic matter carbon isotope time series during 2001–2009 in Sagami Bay, Japan. JOURNAL OF OCEANOGRAPHY, 2023, 79, p. 317-331, doi: 10.1007/s10872-023-00688-3
Hiroto Abe, Yuta Yahiro, Takuya Hasegawa, Toru Hirawake, Hiroji Onishi, Atsushi Ooki, Tetsuya Takatsu, Kenichi Sasaki, Masahide Wakita, Hitoshi Kaneko, Shuichi Watanabe, Takahiro Tanaka, Takeshi Okunishi, Shintaro Ohno, Satoru Hashizume. Intrusion of Coastal Oyashio water to Funka Bay and Tsugaru Strait occasionally disturbed by Kuroshio-originating warm core ring. JOURNAL OF OCEANOGRAPHY, 2023, doi: 10.1007/s10872-022-00675-0
Masahide Wakita, Shuichi Watanabe, Jun Yoshino, Kazumasa Oguri, Hidetaka Nomaki, Shinsuke Kawagucci, Keisuke Ariyoshi, Akira Nagano & Katsunori Fujikura. Deep-sea bottom-water environment change caused by sediment resuspension on the continental slope off Sanriku, Japan, before and after the 2011 Tohoku Earthquake. Progress in Earth and Planetary Science, 2022, 9, 56, doi: 10.1186/s40645-022-00515-1
Akira Nagano, Takuya Hasegawa, Masahide Wakita. Spatiotemporal vertical velocity variation in the western tropical Pacific and its relation to decadal ocean variability. Progress in Earth and Planetary Science, 2022, 9, doi: 10.1186/s40645-022-00513-3
Hitoshi Kaneko, Takahiro Tanaka, Hiroto Abe, Masahide Wakita, Ken’ichi Sasaki, Yasumasa Miyazawa, Takeshi Okunishi, Shuichi Watanabe, Shoko Tatamisashi, Yoshiaki Sato. Subinertial frequency variations in the axis of the Tsugaru Warm Current east of the Tsugaru Strait. Progress in Earth and Planetary Science, 2022, 9, doi: 10.1186/s40645-022-00509-z
Chisato Yoshikawa, Nanako O. Ogawa, Yoshito Chikaraishi, Akiko Makabe, Yohei Matsui, Yoshikazu Sasai, Masahide Wakita, Makio C. Honda, Yoshihisa Mino, Maki N. Aita, Tetsuichi Fujiki, Takuro Nunoura, Naomi Harada, Naohiko Ohkouchi. Nitrogen Isotopes of Sinking Particles Reveal the Seasonal Transition of the Nitrogen Source for Phytoplankton. GEOPHYSICAL RESEARCH LETTERS, 2022, 49, 17, doi: 10.1029/2022GL098670
Hitoshi Kaneko, Ken’ichi Sasaki, Hiroto Abe, Takahiro Tanaka, Masahide Wakita, Shuichi Watanabe, Takeshi Okunishi, Yoshiaki Sato, Shoko Tatamisashi. The role of an intense jet in the Tsugaru Strait in the formation of the outflow gyre revealed using high-frequency radar data. GEOPHYSICAL RESEARCH LETTERS, 2021, 48, e2021GL092909, doi: 10.1029/2021GL092909
Akira Nagano, Masahide Wakita, Tetsuichi Fujiki, Hiroshi Uchida. El Niño-Related Vertical Mixing Enhancement Under the Winter Mixed Layer at Western Subarctic North Pacific Station K2. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2021, 126, p. e2020JC016913, doi: 10.1029/2020JC016913
Masahiko Fujii, Shintaro Takao, Takuto Yamaka, Tomoo Akamatsu, Yamato Fujita, Masahide Wakita, Akitomo Yamamoto and Tsuneo Ono. Continuous Monitoring and Future Projection of Ocean Warming, Acidification, and Deoxygenation on the Subarctic Coast of Hokkaido, Japan. Frontiers in marine science, 2021, doi: 10.3389/fmars.2021.590020
M. Wakita, K. Sasaki, A. Nagano, H. Abe, T. Tanaka, K. Nagano, K. Sugie, H. Kaneko, K. Kimoto, T. Okunishi, M. Takada, J. Yoshino, and S. Watanabe. Rapid reduction of pH and CaCO3 saturation state in the Tsugaru Strait by the intensified Tsugaru Warm Current during 2012-2019. GEOPHYSICAL RESEARCH LETTERS, 2021, 48, 10, doi: 10.1029/2020GL091332
Takuya Hasegawa, Akira Nagano, Keisuke Ariyoshi, Toru Miyama, Hiroyuki Matsumoto, Ryoichi Iwase, Masahide Wakita. Effect of Ocean Fluid Changes on Pressure on the Seafloor: Ocean Assimilation Data Analysis on Warm-Core Rings off the Southeastern Coast of Hokkaido, Japan on an Interannual Timescale. Frontiers in Earth Science, 2021, 9, p. 600930, doi: 10.3389/feart.2021.600930
Hiroshi Uchida, Takeshi Kawano, Toshiya Nakano, Masahide Wakita, Tatsuya Tanaka, Sonoka Tanihara. An Expanded Batch-to-Batch Correction for IAPSO Standard Seawater. JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY, 2020, 37, 8, p. 1507-1520, doi: 10.1175/JTECH-D-19-0184.1
Yoshihisa Mino , Chiho Sukigara , Makio Honda, Hajime Kawakami, Masahide Wakita , Kosei Sasaoka, Chisato Yoshikawa , Osamu Abe, John Kaiser, katsunori Kimoto, Minoru Kitamura, Tetsuichi Fujiki, Kazuhiko Matsumoto, Toshiro. Saino. Seasonal and Interannual Variations in Nitrogen Availability and Particle Export in the Northwestern North Pacific Subtropical Gyre. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2020, 125, 5, doi: 10.1029/2019JC015600
Mino Yoshihisa, Sukigara Chiho, Honda Makio, Kawakami Hajime, Wakita Masahide, Sasaoka Kousei, Yoshikawa Chisato, Abe Osamu, Kaiser J, Kimoto Katsunori, Kitamura Minoru, Fujiki Tetsuichi, Matsumoto Kazuhiko, Saino Toshirou. Seasonal and interannual variations in nitrogen availability and particle export in the northwestern North Pacific subtropical gyre. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2020, 125, 5, doi: 10.1029/2019JC015600
Takuya Hasegawa, Akira Nagano, Hiroyuki Matsumoto, Keisuke Ariyoshi, Masahide Wakita. El Nino-related sea surface elevation and ocean bottom pressure enhancement associated with the retreat of the Oyashio southeast of Hokkaido, Japan. MARINE GEOPHYSICAL RESEARCH, 2019, 40, 4, p. 505-512, doi: 10.1007/s11001-019-09392-8
Tetsuichi FUJIKI, Ryuichiro INOUE, Makio C. HONDA, Masahide WAKITA, Yoshihisa MINO, Chiho SUKIGARA, Osamu ABE. Time-series observations of photosynthetic oxygen production in the subtropical western North Pacific by an underwater profiling buoy system. LIMNOLOGY AND OCEANOGRAPHY, 2019, 65, 5, p. 1072-1084, doi: 10.1002/lno.11372
Florian Breider, Chisato Yoshikawa, Akiko Makabe, Sakae Toyoda, Masahide Wakita, Yohei Matsui, Shinsuke Kawagucci, Tetsuichi Fujiki, Naomi Harada & Naohiro Yoshida. Response of N2O production rate to ocean acidification in the western North Pacific. Nature Climate Change, 2019, 9, p. 954-958, doi: 10.1038/s41558-019-0605-7
Akira Nagano, Masahide Wakita. Wind-driven decadal sea surface height and main pycnocline depth changes in the western subarctic North Pacific. Progress in Earth and Planetary Science, 2019, 6, 1, doi: 10.1186/s40645-019-0303-0
Chiho Sukigaraa,Yoshihisa Mino, Hajime Kawakami, Makio C. Honda, Tetsuichi Fujiki, Kazuhiko Matsumoto, Masahide Wakita, Toshiro Saino. Sinking dynamics of particulate matter in the subarctic and subtropical regions of the western North Pacific. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 2018, 144, p. 17-27, doi: 10.1016/j.dsr.2018.11.004
Koji Sugie, Takeshi Yoshimura, Masahide Wakita. Impact of CO2 on the elemental composition of the particulate and dissolved organic matter of marine diatoms emerged after nitrate depletion. LIMNOLOGY AND OCEANOGRAPHY, 2018, 63, 5, p. 1924-1943, doi: 10.1002/lno.10816
Yutaka Watanabe, Bofeng Li, Masahide Wakita. Long-Term Trends of Direct and Indirect Anthropogenic Effects on Changes in Ocean pH. GEOPHYSICAL RESEARCH LETTERS, 2018, 45, 17, p. 9106-9113, doi: 10.1029/2018GL078084
Shinsuke Kawagucci, Akiko Makabe, Taketoshi Kodama, Yohei Matsui, Chisato Yoshikawa, Etsuro Ono, Masahide Wakita, Takuro Nunoura, Hiroshi Uchida, Taichi Yokokawa. Hadal water biogeochemistry over the Izu-Ogasawara Trench observed with a full-depth CTD-CMS. Ocean Science, 2018, 14, 4, p. 575-588, doi: 10.5194/os-14-575-2018
Mario Uchimiya,Hideki Fukuda,Masahide Wakita,Minoru Kitamura,Hajime Kawakami, Makio C. Honda,Hiroshi Ogawa,Toshi Nagata. Balancing organic carbon supply and consumption in the ocean’s interior: Evidence from repeated biogeochemical observations conducted in the subarctic and subtropical western North Pacific. LIMNOLOGY AND OCEANOGRAPHY, 2018, 63, 5, p. 2015-2027, doi: 10.1002/lno.10821
Sayaka Yasunaka, Yukihiro Nojiri, Taketo Hashioka, Chisato Yoshikawa, Taketoshi Kodama, Shin-ichiro Nakaoka, Sanae Chiba, Fuminori Hashihama, Masahide Wakita, Ken Furuya, Daisuke Sasano, Akihiko Murata, Hiroshi Uchida, Michio Aoyama. Basin-scale distribution of NH 4+ and NO 2- in the Pacific Ocean. JOURNAL OF OCEANOGRAPHY, 2018, 74, 1, p. 1-11, doi: 10.1007/s10872-017-0433-1
Sayaka Yasunaka, Yukihiro Nojiri, Taketo Hashioka, Chisato Yoshikawa, Taketoshi Kodama, Shin-ichiro Nakaoka, Sanae Chiba, Fuminori Hashihama, Masahide Wakita, Ken Furuya, Daisuke Sasano, Akihiko Murata, Hiroshi Uchida, Michio Aoyama. Basin-scale distribution of NH4+ and NO2- in the Pacific Ocean. JOURNAL OF OCEANOGRAPHY, 2018, 74, 1, p. 1-11, doi: 10.1007/s10872-017-0433-1
Sayaka Yasunaka, Yukihiro Nojiri, Taketo Hashioka, Chisato Yoshikawa, Taketoshi Kodama, Shin-ichiro Nakaoka, Sanae Chiba, Fuminori Hashihama, Masahide Wakita, Ken Furuya, Daisuke Sasano, Akihiko Murata, Hiroshi Uchida, Michio Aoyama. Basin-scale distribution of NH4+ and NO2- in the Pacific Ocean. JOURNAL OF OCEANOGRAPHY, 2018, 74, 1, p. 1-11, doi: 10.1007/s10872-017-0433-1
Keisuke SHIMIZU, Katsunori KIMOTO, Koji NOSHITA, Masahide WAKITA, Tetsuichi FUJIKI and Takenori SASAKI. Phylogeography of the pelagic snail Limacina helicina (Gastropoda: Thecosomata) in the subarctic western North Pacific. JOURNAL OF MOLLUSCAN STUDIES, 2017, 84, p. 30-37, doi: doi.org/10.1093/mollus/eyx040
Masahide Wakita, Akira Nagano, Tetsuichi Fujiki, Shuichi Watanabe. Slow acidification of the winter mixed layer in the subarctic western North Pacific. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2017, 122, p. 6923-6935, doi: 10.1002/2017JC013002
Keisuke Shimizu, Katsunori Kimoto, Koji Noshita, Masahide Wakita, Tetsuichi Fujiki, Takenori Sasaki. Phylogeography of the pelagic snail Limacina helicina (Gastropoda: Thecosomata) in the subarctic western North Pacific. JOURNAL OF MOLLUSCAN STUDIES, 2017, 84, 1, p. 30-37, doi: 10.1093/mollus/eyx040
Makio C. Honda , M. Wakita , K. Matsumoto , T. Fujiki , E. Siswanto , K. Sasaoka , H. Kawakami , Y. Mino , C. Sukigara , M. Kitamura , Y. Sasai , S. L. Smith , T. Hashioka , C. Yoshikawa , K. Kimoto , S. Watanabe , T. Kobari , T. Nagata , K. Hamasaki , R. Kaneko , M. Uchimiya , H. Fukuda , O. Abe , Toshiro Saino. Comparison of carbon cycle between the western Pacific subarctic and subtropical time-series stations: highlights of the K2S1 project. JOURNAL OF OCEANOGRAPHY, 2017, doi: 10.1007/s10872-017-0423-3
Mino Yoshihisa, Sukigara Chiho, Honda Makio C., Kawakami Hajime, Matsumoto Kazuhiko, Wakita Masahide, Kitamura Minoru, Fujiki Tetsuichi, Sasaoka Kosei, Abe Osamu, Kaiser Jan, Saino Toshiro. Seasonal variations in the nitrogen isotopic composition of settling particles at station K2 in the western subarctic North Pacific. Journal of Oceanography, 2016, 72, 6, p. 819-836
Akira Nagano, Toshio Suga, Yoshimi Kawai, Masahide Wakita, Kazuyuki Uehara, Kyoko Taniguchi. Ventilation revealed by the observation of dissolved oxygen concentration south of the Kuroshio Extension during 2012-2013. Journal of Oceanography, 2016, 72, 6, p. 837-850, doi: 10.1007/s10872-016-0386-9
M. WAKITA, Makio HONDA, Kazuhiko MATSUMOTO, T. FUJIKI, H. KAWAKAMI, S. YASUNAKA, Yoshikazu. SASAI, C. SUKIGARA, M. UCHIMIYA, Minoru KITAMURA, T. KOBARI, Y. MINO, A. NAGANO, Shuichi WATANABE, T. SAINO. Biological organic carbon export estimated from the annual carbon budget observed in the surface waters of the western subarctic and subtropical North Pacific Ocean from 2004 to 2013. Journal of Oceanography, 2016, doi: DOI 10.1007/s10872-016-0379-8
Tetsuichi FUJIKI, Kosei SASAOKA, Kazuhiko MATSUMOTO, Masahide WAKITA and Yoshihisa MINO. Seasonal variability of phytoplankton community structure in the subtropical western North Pacific. Journal of Oceanography, 2016, 72, p. 343-358, doi: 10.1007/s10872-015-0346-9
Nomaki H, Arai K, Suga H, Toyofuku T, Wakita M, Nunoura T, Oguri K, Kasaya T, Watanabe S. Sedimentary organic matter contents and porewater chemistry at upper bathyal depths influenced by the 2011 off the Pacific coast of Tohoku Earthquake and tsunami.. JOURNAL OF OCEANOGRAPHY, 2016, 72, p. 99-111, doi: 10.1007/s10872-015-0315-3
Kazumasa Oguri, Yasuo Furushima, Takashi Toyofuku, Takafumi Kasaya, Masahide Wakita, Shuichi Watanabe, Katsunori Fujikura, Hiroshi Kitazato. Long-term monitoring of bottom environments of the continental slope off Otsuchi Bay, northeastern Japan. Journal of Oceanography, 2016, 72, 1, p. 151-166, doi: DOI 10.1007/s10872-015-0330-4
Yoshikazu Sasai, Chisato Yoshikawa, S.Lan Smith, Taketo Hoashioka, Kazuhiko Matsumoto, Masahide Wakita, Kosei Sasaoka, Makio C. Honda. Coupled 1-D physical-biological model study of phytoplankton production at two contrasting time-series stations in the western North Pacific. Journal of Oceanography, 2016, doi: 10.1007/s10872-015-0341-1
Akira Nagano, Masahide Wakita, Shuichi Watanabe. Dichothermal layer deepening in relation with halocline depth change associated with northward shrinkage of North Pacific western subarctic gyre in early 2000s. Ocean Dynamics, 2016, 66, 2, p. 163-172, doi: 10.1007/s10236-015-0917-8
Yoshikawa, C., Abe, H., Aita, M.N., Breider, F., Kuzunuki, K., Toyoda, S., Ogawa, N.O., Suga, H., Ohkouchi, N., Danielache, S.O., Wakita, M., Honda, M.C. and Yoshida, N.. Insight into nitrous oxide production processes in the western North Pacific based on a marine ecosystem isotopomer model.. Journal of Oceanography, 2015, doi: 10.1007/s10872-015-0308-2.
Hajime Kawakami; Makio Honda; Kazuhiko Matsumoto; Masahide Wakita; Minoru Kitamura; Tetsuichi Fujiki; Shuichi Watanabe. POC fluxes estimated from 234Th in late spring-early summer in the western subarctic North Pacific. Journal of Oceanography, 2015, 71, 3, p. 311-324, doi: 10.1007/s10872-015-0290-8
Makio C. Honda, Hajime Kawakami, Kazuhiko Matsumoto, Masahide Wakita, Tetsuichi Fujiki, Yoshihisa Mino, Chiho Sukigara, Toru Kobari, Mario Uchimiya , Ryo Kaneko, Toshiro Saino. Comparison of sinking particles in the upper 200 m between subarctic station K2 and subtropical station S1 based on drifting sediment trap experiments. Journal of Oceanography, 2015, doi: 10.1007/s10872-015-0280-x
Kazuhiko Matsumoto, Makio C. Honda, Kosei Sasaoka, Masahide Wakita, Hajime Kawakami, and Shuichi Watanabe. Seasonal variability of primary production and phytoplankton biomass in the western Pacific subarctic gyre: Control by light availability within the mixed layer. Journal of Geophysical Research: Oceans, 2014, 119, 9, p. 6523-6534, doi: 10.1002/2014JC009982
Tetsuichi FUJIKI, Kazuhiko MATSUMOTO, Yoshihisa MINO, Kosei SASAOKA, Masahide WAKITA, Hajime KAWAKAMI, Makio C. HONDA, Shuichi WATANABE and Toshiro SAINO.. The seasonal cycle of phytoplankton community structure and photo-physiological state in the western subarctic gyre of the North Pacific. Limnology and Oceanography, 2014, 59, 3, p. 887-900
M. Wakita, S. Watanabe, M. Honda, A. Nagano, K. Kimoto, K. Matsumoto, H. Kawakami, T. Fujiki, M. Kitamura, K. Sasaki, K. Sasaoka, Y. Nakano and A. Murata. Ocean acidification from 1997 to 2011 in the subarctic western North Pacific Ocean. Biogeosciences, 2013, 10, p. 7817-7827, doi: 10.5194/bg-10-7817-2013
T. Kobari, M. Kitamura, M. Minowa, H. Isami, H. Akamatsu, H. Kawakami, K. Matsumoto, M. Wakita, and M. C. Honda. Impacts of the wintertime mesozooplankton community to downward carbon flux in the subarctic and subtropical Pacific Oceans. Deep-Sea Research I, 2013, 81, p. 78-88
S. Kawaguchi, A. Ishida, R. King, B. Raymond, N. Waller, A. Constable, S. Nicol, M. Wakita A. Ishimatsu. Risk maps for Antarctic krill under projected Southern Ocean acidification. Nature Climate Change, 2013, doi: 10.1038/nclimate1937
M. Wakita, S. Watanabe, M. Honda, A. Nagano, K. Kimoto, K. Matsumoto, H. Kawakami, T. Fujiki, M. Kitamura, K. Sasaki, K. Sasaoka, Y. Nakano and A. Murata. Ocean acidification from 1997 to 2011 in the subarctic western North Pacific Ocean. Biogeosciences Discussions, 2013, 10, p. 8231-8311, doi: 10.5194/bgd-10-8283-2013
Tetsuichi FUJIKI, Kazuhiko MATSUMOTO, Toshiro SAINO, Masahide WAKITA and Shuichi WATANABE. Distribution and photo-physiological condition of phytoplankton in the tropical and subtropical North Pacific. Journal of Oceanography, 2013, 69, p. 35-43
松本和彦、藤木徹一、本多牧生、脇田昌英、川上創、喜多村稔、才野敏郎. ニスキン採水器内部のニトリルゴム製Oリングによる一次生産阻害. JAMSTEC Report of Research and Development, 2012, 14, p. 17-25
脇田 昌英,渡邉修一(海洋研究開発機構・むつ研究所) , 村田昌彦(海洋研究開発機構・地球環境変動領域) , 鶴島修夫(産業開発総合研究所) , 本多牧生(海洋研究開発機構・地球環境変動領域). Decadal change of dissolved inorganic carbon in the subarctic western North Pacific Ocean. Tellus B, 2010, 62B, p. 608-620
I. A. Zhabin, V. B. Lobanov, S. Watanabe, M. Wakita, S. N. Taranova. Water Exchange between the Bering Sea and the Pacific Ocean through the Kamchatka Strait. Russian Meteorology and Hydrology/Allerton Press, Inc.,, 2010, 35, 3, p. 218-224, doi: 10.3103/S106837391003009X
Hajime Kawakami, Makio Honda, Masahide Wakita, Shuichi Watanabe. Time-series observation of dissolved inorganic carbon and nutrients in the northwestern North Pacific. Journal of Oceanography, 2007, 63, 6, p. 967-982
査読無し(JAMSTECでの成果)
脇田. 北の海で起きている海洋酸性化! ──その進行と影響──. 海と地球の情報誌 Blue Eatrh, 2016, 28, 146, p. 28-31
Toru Suzuki, Masao Ishii, Michio Aoyama, James R. Christian, Kazutaka Enyo, Takeshi Kawano, Robert M. Key, Naohiro Kosugi, Alex Kozyr, Lisa A. Miller, Akihiko Murata, Toshiya Nakano, Tsuneo Ono, Toshiro Saino, Ken-ichi Sasaki, Daisuke Sasano, Yusuke Takatani, Masahide Wakita , Christopher L. Sabine. PACIFICA Data Synthesis Project. U.S. Department of Energy, 2013, ORNL/CDIAC-159, NDP-092
Tetsuichi FUJIKI, Ryuichiro INOUE, Makio C. HONDA, Masahide WAKITA, Chiho SUKIGARA, Yoshihisa MINO and Osamu ABE. Time-series observation of biogeochemical parameters in the subtropical western North Pacific. 6th Argo Science Workshop, 2018
Kazumasa Oguri, Yasuo Furushima, Takashi Toyofuku, Masahide Wakita, Shuichi Watanabe, Shinji Tsuchida, Yoshihiro Fujiwara, Katsunori Fujikura, Hiroshi Kitazato. Long term monitoring of continental slope environments in northeast Japan after 11th March 2011. 6th German-Japanese Joint Seminar. High-speed Molecular Imaging Technology for Interdisciplinary Research, 2017
HARADA NAOMI , KIMOTO KATSUNORI , WAKITA MASAHIDE , FUJIKI TETSUICHI , SHIMIZU KEISUKE , ONODERA JONAOTARO. Ocean acidification in the western Arctic Ocean and sub-arctic North Pacific -its impact on the marine calcifies. XMAS III, Xaomen Univ, 2017
HARADA NAOMI , KIMOTO KATSUNORI , WAKITA MASAHIDE , FUJIKI TETSUICHI , SHIMIZU KEISUKE , ONODERA JONAOTARO. Potential environmental changes in the western Arctic and the western North Pacific: their impacts on lower trophic level organisms. PICES, 2016
Naomi Harada, Katsunori Kimoto, Jonaotaro Onodera, Eiji Watanabe, Koji Sugie, Masahide Wakita, Tetsuichi Fujiki. Potential environmental changes in the western Arctic and the western North Pacific: their impacts on lower trophic level organisms. PICES Annual Meeting, 2016
Masahide Wakita, Akira Nagano, Tetsuichi Fujiki & Shuichi Watanabe. Ocean acidification in the surface water of subarctic western North Pacific Ocean and the impact on biological production. ESSAS Annual Science Meeting, 2016
Keisuke ARIYOSHI, Shuhei NISHIDA, Yuya MACHIDA, Takeshi IINUMA, Hiroshi UCHIDA, Akira NAGANO, Takuya HASEGAWA, Toru MIYAMA, Yasumasa MIYAZAWA, Masahide WAKITA, Tatsu KUWATANI, Kan AOIKE, Mikiko FUJITA, Akiko TO, Akira KUWANO-YOSHIDA, Kaoru ICHIKAWA. A Total station plan combined with "Chikyu" and DONET: A trial of simultaneous observation from seafloor to atmosphere. AOGS 15th Annual Meeting, 2018
Keisuke Ariyoshi, Shuhei Nishida, Yuya Machida, Takeshi Iinuma, Hiroshi Uchida, Akira Nagano, Takuya Hasegawa, Toru Miyama, Yasumasa Miyazawa, Masahide Wakita, Tatsu Kuwatani, Kan Aoike, Mikiko Fujita, Akira Kuwano-Yoshida, Akiko To, Kaoru Ichikawa. A total station plan combined with “Chikyu” and DONET: A trial of simultaneous observation from seafloor to atmosphere. European Geosciences Union General Assembly 2018, 2018
Kimoto Katsunori, Shimizu Keisuke, Shima Erina, Wakita Masahide, Sasaki Hiroshi, Sasaki Osamu. High resolution morphometry of shelled pteropods by the X-ray microtomography: a new perspective of ocean acidification study. The 33rd International Symposium on the Okhotsk Sea and Polar Oceans, 2018, 2018
hiroshi uchida, shigeto nishino, masahide wakita, S Gary. Absolute Salinity measurements in the Arctic Ocean. Fifth International Symposium on Arctic Research, 2018
Chisato Yoshikawa, Yoshikazu Sasai, Akiko Makabe, Florian Breider, Sakae Toyoda, Yohei Matsui, Shinsuke Kawagucci, Masahide Wakita, Tetsuichi Fujiki, Naomi Harada, Naohiro Yoshida. Development of a model of nitrous oxide in the western North Pacific. JpGU-AGU Joint Meeting 2017, 2017
HARADA NAOMI, KIMOTO KATSUNORI, WAKITA MASAHIDE, FUJIKI TETSUICHI, SHIMIZU KEISUKE, ONODERA JONAOTARO. Quantitative assessment scheme on calcifier’s OA response. ICES/PICES Workshop on Understanding the Impacts and Consequences of Ocean Acidification for Commercial Species and End-users (WKACIDUSE), 2016
Chisato Yoshikawa, Yoshikazu Sasai, S. Lan Smith, Akiko Makabe, Takuro Nunoura, Masahide Wakita, Makio Honda. Development of a marine ecosystem model including nitrite. JpGU 2016, 2016
Masahide Wakita, Akira Nagano, Tetsuichi Fujiki, Shuichi Watanabe. Ocean acidification in the surface water of subarctic western North Pacific Ocean. 4th International Symposium on the Ocean in a High-CO2 World, 2016
渡邉修一・佐々木建一・山本秀樹・脇田昌英・田中義幸. 津軽海峡の海洋環境を即診断して発信:沿岸漁業への貢献. 水産海洋研究/水産海洋地域研究集会/第46回北洋研究シンポジウム―新たな視点から津軽海峡の水産の未来を描く―, 2016, 80, 3, p. 253-254
Tetsuichi FUJIKI, Kosei SASAOKA, Kazuhiko MATSUMOTO, Masahide WAKITA and Yoshihisa MINO. Seasonal variability of phytoplankton community structure in the subtropical western North Pacific. 2016 Ocean Sciences Meeting, 2016, p. PP14A-0527
Hiroshi Uchida, Shinya Kouketsu, Masahide Wakita, Takeshi Kawano (JAMSTEC), James H. Swift (SIO), Masao Fukasawa (JAMSTEC). Slowing of the deep meridional overturning circulation in the North Pacific. GAIC-2015, 2015
Tetsuichi FUJIKI Kazuhiko MATSUMOTO, Yoshihisa MINO, Kosei SASAOKA, Masahide WAKITA, Hajime KAWAKAMI, Makio C. HONDA, Shuichi WATANABE and Toshiro SAINO.. Seasonal cycle of phytoplankton community structure and photophysiological state in the western subarctic gyre of the North Pacific. PICES-2014, 2014, p. 108
Mario UCHIMIYA, Hideki FUKUDA, Hiroshi OGAWA, Masahide WAKITA, Makio HONDA, Toshi NAGATA. TEMPORAL VARIABILITY IN HETEROTROPHIC PROKARYOTE PRODUCTION IN THE DARK OCEAN. 2014 Ocean Sciences Meeting, 2014
Yoshikazu Sasai, Chisato Yoshikawa, Taketo Hashioka, Sherwood Lan Smith, Kazuhiko Matsumoto, Tetsuichi Fujiki, Kosei Sasaoka, Masahide Wakita, Makio Honda. Seasonal variability of primary production at K2&S1 stations using a 1-D physical-biological model. APN international mini-workshop on the western Pacific marine biogeochemical environment variability, 2014
渡邉修一、中野善之、飯田高大、高村友海、脇田昌英. 二酸化炭素分圧測定ブイを用いた南極海域の観測の予備的結果 Preliminary result of observation in the Antarctic Sea using pCO2 autonomous buoy. 第4回極域科学シンポジウム, 2013
藤木徹一、松本和彦、笹岡晃征、川上創、脇田昌英、本多牧生、才野敏郎. 季節的環境変化を有する北太平洋亜熱帯循環域の植物プランクトン群集構造. 日本海洋学会秋季大会, 2013, p. 235
Tetsuichi FUJIKI, Kazuhiko MATSUMOTO, Yoshihisa MINO, Kosei SASAOKA, Masahide WAKITA, Hajime KAWAKAMI, Makio HONDA and Toshiro SAINO. Seasonal variations of phytoplankton composition and photosynthetic physiology in the western subarctic gyre of the North Pacific. 2013 ASLO Aquatic Sciences Meeting, 2013
Katsunori Kimoto, Osamu Sasaki, Harumasa Kano, Masahide Wakita, Tomohisa Irino, Tomohiro Iwashita, Naomi Harada and Makio Honda. Seasonal carbonate dissolution at the water column in the North Pacific: The evidence from the Micro-focus X-ray CT Technology. Ecosystem Studies of Sub-Arctic Seas (ESSAS), 2013
Katsunori Kimoto, Osamu Sasaki, Harumasa Kano, Masahide Wakita, Tomohisa Irino, Tomohiro Iwashita, Naomi Harada and Makio Honda. Seasonal carbonate dissolution at the water column in the North Pacific: The evidence from the Micro-focus X-ray CT Technology. ESSAS (Ecosystem Studies of sub-Arctic Seas), 2013
So Kawaguchi, Rob King, Natasha Waller, Zhongnan Jia, James P. Robinson, Cathryn Wynn-Edwards, Bruce Deagle, Simon Jarman, Akio Ishida, Masahide Wakita, Stephen Nicol, Patti Virtue, Haruko Kurihara, Andrew Constable, Blair Smith, Atsushi Ishimatsu. IMPACTS OF OCEAN ACIDIFICATION ON EARLY DEVELOPMENT OF ANTARCTIC KRILL. Third International Symposium on the Ocean in a High CO2 World, 2012
Yoshihisa MINO, Chiho SUKIGARA, Makio C. HONDA, Hajime KAWAKAMI, Tetsuichi FUJIKI, Minoru KITAMURA, and Masahide WAKITA. Seasonal and interannual variations in the upper layer nitrogen availability assessed by nitrogen isotopic compositions of settling particles in the western subtropical North Pacific. 2019 Aquatic Sciences Meeting, 2019
Tetsuichi FUJIKI, Ryuichiro INOUE, Makio C. HONDA, Masahide WAKITA, Chiho SUKIGARA, Yoshihisa MINO, and Osamu ABE.. Relationship between phytoplankton productivity and oxygen cycle in the subtropical western North Pacific. 2019 Aquatic Sciences Meeting, 2019
Yoshihisa MINO, Chiho SUKIGARA, Makio C. HONDA, Hajime KAWAKAMI, Tetsuichi FUJIKI, Minoru KITAMURA, Naomi HARADA and Masahide WAKITA. Seasonal and interannual variations in the upper layer nitrogen availability and particles export in the western subtropical North Pacific. 2nd International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 2018
Tetsuichi FUJIKI, Minoru KITAMURA, Shigeki HOSODA, Naomi HARADA, Masahide WAKITA and Yoshihisa MINO. Influence of physical and chemical processes on phytoplankton community in the western subarctic Pacific. 2nd International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 2018
Hiroshi Uchida, Taiyo Kobayashi, Masahide Wakita, Shigeki Hosoda, Shuhei Masuda, Shinichi Takai, Yasuhiro Nagasawa. Time-dependent pressure-induced effect on optical oxygen sensors used for Argo floats. 6th Argo Science Workshop, 2018
Masahide Wakita, Shuichi Watanabe, Kazumasa Oguri, Hidetaka Nomaki, Shinsuke Kawagucci, Jun Yoshino, Akira Nagano, Keisuke Ariyoshi. Deep-sea environmental changes on the continental shelf off Sanriku, Japan, after the 2011 Tohoku Earthquake. AOGS 15th Annual Meeting, 2018
Ken'ichi Sasaki, Hideki Yamamoto, Takayuki Hashimukai, Shuichi Watanabe, Masahide Wakita, Makoto Takada. An availability of antenna pattern based on the AIS information. The 4th Ocean Radar Conference for Asia-Pacific (ORCA), 2018
脇田昌英・永野憲・藤木徹一・渡邉修一. Slow acidification of the winter mixed layer in the subarctic western North Pacific Ocean. 2018 Ocean Sciences Meeting, 2018
Keisuke Ariyoshi, Toru Miyama, Masahide Wakita, Yasumasa Miyazawa, Hiroshi Uchida, Akira Nagano, Shuhei Nishida, Yuya Machida, Tatsu Kuwatani, Takuya Hasegawa, Mikiko Fujita, Kan Aoike, Akira Kuwano-Yoshida, Kaoru Ichikawa, Akiko To. A total station plan combined with “Chikyu” and DONET: simultaneous observation from seafloor to atmosphere. Ocean Science Meeting 2018, 2018
Akira Nagano, Masahide Wakita. Decadal Variations of the Western Subarctic Gyre and Main Pycnocline Depth due to Wind Stress Change in the Northern North Pacific. 2017 American Geophysical Union Fall Meeting, 2017
C. Yoshikawa, N. O. Ogawa,Y. Chisaraishi,A. Makabe,Y. Matsui, S. Kawagucci, Y. Sasai, M. N. Aita,M. Wakita, M. C. Honda, T. Fujiki,N. Harada, N. Ohkouchi. NITROGEN ISOTOPE RATIOS OF SINKING PARTICLES RECORD AUTUMN PROGRESS OF NITRIFICATION. ASLO2017, 2017
Tetsuichi FUJIKI, Kosei SASAOKA, Ryuichiro INOUE, Makio C. HONDA, Masahide WAKITA and Yoshihisa MINO. Time-series observation of biogeochemical parameters in the subtropical North Pacific by an underwater profiling buoy system. ASLO 2017 Aquatic Sciences Meeting, 2017, p. 29154
Koji Sugie, Naomi Harada, Tetsuichi Fujiki, Katsunori Kimoto, Masahide Wakita, Minoru Kitamura, Taketo Hashioka, Eiji Watanabe, Jonaotaro Onodera, Sanae Chiba. Research activities on OA in JAMSTEC. The 9th GEOSS Asia-Pacific Symposium, 2017
Minoru Kitamura, Katsunori Kimoto, Yuriko Nakamura, Masahide Wakita, Sanae Chiba, Sonia Batten. Is there decadal change in shell morphology of planktonic foraminifera due to ocean acidification?. PICES25, 2016
M. WAKITA, Makio HONDA, Kazuhiko MATSUMOTO, T. FUJIKI, H. KAWAKAMI, S. YASUNAKA, Yoshikazu. SASAI, C. SUKIGARA, M. UCHIMIYA, Minoru KITAMURA, T. KOBARI, Y. MINO, A. NAGANO, Shuichi WATANABE, T. SAINO. 混合層の炭素収支から見積もられた西部北太平洋亜寒帯域・亜熱帯域における有機炭素の輸送フラックス. 日本海洋学会 2016年度秋季大会, 2016
Masahide Wakita, Ken-ichi Sasaki, Yoshiyuki Tanaka, Hideki Yamamoto, Keisuke Tsubata, Jun Yoshino, Takamitsu Omura, Makoto Takada, Katsunori Kimoto, Shuichi Watanabe. Coastal ocean acidification monitoring in the Tsugaru Strait of northern Japan. 3rd Global Ocean Acidification Observing Network (GOA-ON) Science Workshop, 2016
Tetsuichi Fujiki, Masahide Wakita, Katsunori Kimoto, Naomi Harada. Response of marine ecosystem to the ocean acidification in the subarctic western North Pacific. 3rd Global Ocean Acidification Observing Network (GOA-ON) Science Workshop, 2016
Katsunori Kimoto, Osamu Sasaki, Masahide Wakita, Makio Honda, Naomi Harada.. Shell density of Planktic Foraminifera in the North Pacific: Seasonal acidification and its ecological impacts. GOA-ON Conference, Tasmania, 2016
OGURI KAZUMASA, FURUSHIMA YASUO, TOYOFUKU TAKASHI, KASAYA TAKAFUMI, WAKITA MASAHIDE, WATANABE SHUICHI, FUJIKURA KATSUNORI, TSUCHIDA SHINJI, FUJIWARA YOSHIHIRO, KITAZATO HIROSHI. Seasonal variability, seismic disturbance and the recovery on the seafloor, off Sanriku, Northeastern Japan.. European Geosciences Union 2016 General Assembly, 2016
Tetsuichi FUJIKI, Minoru KITAMURA, Katsunori KIMOTO, Naomi HARADA, Masahide WAKITA and Yoshiyuki NAKANO. Time-series observation for an assessment of ocean acidification in the subarctic western North Pacific. 2016 ESSAS Science Meeting, 2016, p. 47-48
Yoshikazu Sasai, Chisato Yoshikawa, S.Lan Smith, Taketo Hashioka, Kazuhiko Matsumoto, Masahide Wakita, Kosei Sasaoka and Makio Honda. Coupled 1-D physical-biological model study of phytoplankton production at two contrasting time-series stations in the western North Pacific. ESSAS Annual Science Meeting, 2016
Oguri Kazumasa, Furushima Yasuo, Toyofuku Takashi, Kasaya Takafumi, Wakita Masahide, Fujikura Katsunori, Kitazato Hiroshi. Seasonal changes and an earthquake induced disturbance recorded by deep-sea stations in continental slope, off Otsuchi Bay, Northeastern Japan. TEAMS International Conference, 2016
Nomaki H, Kitahashi T, Arai K, Nunoura T, Toyofuku T, Mochizuki T, Juliarni, Tanaka G, Sugime S, Suga H, Yokoyama Y, Sakamoto I, Wakita M, Tasumi E, Shigeno S, Oguri K, Kasaya T, Fujikura K, Watanabe S. Changes in sediment geochemistry and the distribution of benthic organisms at bathyal depths after the 2011 off the Pacific coast of Tohoku Earthquake. International Symposium on Restoration after Great East Japan Earthquake -Our Knowledge on the Ecosystem and Fisheries, 2016
Chisato Yoshikawa, Yoshikazu Sasai, Masahide Wakita, Makio C. Honda, Tetsuichi Fujiki, Naomi Harada, Akiko Makabe, Shuichiro Matsushima, Sakae Toyoda, Naohiro Yoshida, Nanako O. Ogawa, Hisami Suga, Naohiko Ohkouchi. Insight into nitrous oxide production processes in the western North Pacific based on a marine ecosystem isotopomer model. 2016 Ocean Science Meeting, 2016
M. WAKITA, Makio HONDA, Kazuhiko MATSUMOTO, T. FUJIKI, H. KAWAKAMI, S. YASUNAKA, Yoshikazu. SASAI, C. SUKIGARA, M. UCHIMIYA, Minoru KITAMURA, T. KOBARI, Y. MINO, A. NAGANO, Shuichi WATANABE, T. SAINO. Annual biological organic carbon export estimated from the annual carbon budget observed in the surface waters of the western subarctic and subtropical North Pacific Ocean. Ocean Science Meeting 2016, 2016
M. WAKITA, S. YASUNAKA, Makio HONDA, K. MATSUMOTO, T. FUJIKI, H. KAWAKAMI, Y. SASAI, C. SUKIGARA, M. UCHIMIYA, M. KITAMURA, T. KOBARI, Y. MINO, A. NAGANO, S. WATANABE, T. SAINO. Biological Organic Carbon Export Estimated from Annual Carbon Budget in the Surface Water of Western Subarctic and Subtropical North Pacific Ocean. Asia Oceania Geosciences Society 2015, 2015
Masahide Wakita, Akira Nagano, Shuichi Watanabe. Clarification of ocean acidification in the subarctic western North Pacific Ocean. Asia Oceania Geosciences Society 2014, 2014
NAGANO AKIRA(Research Institute for Global Change (RIGC)) , WAKITA MASAHIDE(Mutsu Institute for Oceanography (MIO)) , WATANABE SHUICHI(Mutsu Institute for Oceanography (MIO)). Decadal change of North Pacific western subarctic gyre and its impact on air-sea CO2 flux. Ocean Sciences Meeting 2014, 2014
Masahide Wakita, Yoshikazu Sasai, Hajime Kawakami, Kazuhiko Matsumoto, Tetsuichi Fujiki, Minoru Kitamura, Yoshihisa Mino, Kosei Sasaoka, Akira Nagano, Shuichi Watanabe, Makio Honda. NET COMMUNITY PRODUCTION ESTIMATED FROM SEASONAL VARIATION OF DISSOLVE INORGANIC CARBON IN SURFACE WATER OF WESTERN SUBARCTIC AND SUBTROPICAL NORTH PACIFIC. 2014 Ocean Sciences Meeting, 2014
HONDA MAKIO, WAKITA MASAHIDE. Time-Series observation for biogeochemistry at the Western North Pacific TS stations KNOT, K2 and S1. Ocean Carbon and Biogeochemistry(OCB)Intercomparability in a changing ocean: International Time-Series Methods Workshop, 2012
Hiroshi Uchida, Akihiko Murata, Masahide Wakita, Yuichiro Kumamoto (JAMSTEC), Yasuhiro Nagasawa (JFE Advantech), Hitoshi Mitsuda (KANSO), Michio Aoyama (MRI/JMA), and Takeshi Kawano (JAMSTEC). A study for establishment of high-quality dissolved oxygen measurement by using an optical oxygen sensor and a reference material. 4th Argo Science Workshop September 27-29, 2012, Venice, Italy, 2012
Kanako Sato, Toshio Suga, Hiroshi Uchida, Shinya Koketsu, Masahide Wakita, Shigeki Hosoda, Taiyo Kobayashi, Fumiaki Kobashi, Noriyuki Matsuo, Hiroyuki Nakajima, Makio Honda, Toshiro Saino. Western North Pacific Integrated Physical-Biogeochemical Ocean Observation Experiment (INBOX): Adjustment of dissolved oxygen data and calibration of dissolved oxygen sensors on JAMSTEC profiling floats deployed in the western North Pacific. 4th Argo Science Workshop, 2012
Hayashi, K., A. Murata, S. Kouketsu, M. Wakita, & T. Suga. Impacts of meso-scale eddy on air-sea fluxes of CO2: Utilizing Argo profiling floats.. 4th Argo Science Workshop, 2012
Toru Suzuki, Masao Ishii, Tsuneo Ono, Takeshi Kawano, Masahide Wakita, Lisa A. Miller, Akihiko Murata, Ken-ichi Sasaki, James R. Christian, Robert M. Key. Comparison with carbon data syntheses in the Pacific ocean. Third International Symposium on the Ocean in a High CO2 World, 2012
Masahide Wakita, Shuichi Watanabe, Katsunori Kimoto, Makio Honda, Kazuhiko Matsumoto, Hajime Kawakami, Tetsuichi Fujiki, Kenichi Sasaki, Nakano Yoshiyuki, Akihiko Murata. Ocean acidification from 1997 to 2011 in the subarctic western North Pacific Ocean. Third International Symposium on the Ocean in a High CO2 World, 2012
Chiho SUKIGARA, Yoshihisa MINO, Hajime KAWAKAMI, Makio HONDA, Tetsuichi FUJIKI, Kazuhiko MATSUMOTO, Masahide WAKITA, Minoru KITAMURA, Toshiro SAINO and Joji ISHIZAKA. Seasonal variations of settling velocity of particulate matters in the subarctic and subtropical regions of the western North Pacific. 2012 ASLO Aquatic Sciences Meeting, 2012
Hiroshi Uchida, Takeshi Kawano, Michio Aoyama, Masahide Wakita, Shigeto Nishino (JAMSTEC) and Satoshi Ozawa (MWJ). A modified algorighm for estimating Absolute Salinity in the global ocean. April 22-27, 2012, Vienna, Austria, 2012
Kazuhiko Matsumoto, Tetsuichi Fujiki, Makio Honda, H. Kawakami, M. Wakita and Minoru Kitamura. Subsurface chlorophyll maximum in the western Pacific subarctic gyre during early summer. 2012 AGU Ocean Sciences Meeting, 2012
Masahide Wakita , Shuichi Watanabe, Katsunori Kimoto, Makio Honda, Yoshiyuki Nakano. Ocean acidification in the subarctic western North Pacific Ocean. 2012 Ocean Sciences Meeting, 2012
Tetsuichi FUJIKI, Kazuhiko MATSUMOTO, Masahide WAKITA and Toshiro SAINO. Phytoplankton distribution and photo-physiological state in tropical and subtropical western North Pacific. 2012 Ocean Sciences Meeting, 2012
Yoshiyuki Nakano, Tetsuichi Fujiki, Masahide Wakita, Kumiko Azetsu-Scott and Shuichi Watanabe. In situ chemical pCO2 sensor with autonomous drifting buoy system.. Ocean Obs’ 09, 2009
Yoshiyuki Nakano, Tetsuichi Fujiki, Masahide Wakita, Kumiko Azetsu-Scott and Shuichi Watanabe. An autonomous drifting buoy system for long term pCO2 observation.. EGU General Assembly 2009, 2009