MIYAZAWA YASUMASA
| Research Institute for Marine Technology and Engineering Seasonal Prediction Center for Shipping digital transformation(SPCX) | Director |
| Research Institute for Value-Added-Information Generation (VAiG) Application Laboratory (APL) | Deputy Director |
| Research Institute for Value-Added-Information Generation (VAiG) Application Laboratory (APL) Environmental Variability Prediction and Application Research Group | Group Leader |
| Research Institute for Marine Technology and Engineering Smart Sensing Technology Development Center Oceanographic Observation and Analysis Group | - |
| Research Institute for Marine Technology and Engineering Seasonal Prediction Center for Shipping digital transformation(SPCX) Seasonal Prediction Model Group(SPMG) | Group Leader |
Researcher Information
researchmap URL
Research Interests
Research Areas
Research History
- Apr. 2020 - Present
Japan Agency for Marine-Earth Science and Technology, Principal Researcher - Apr. 2007 - Mar. 2020
Japan Agency for Marine-Earth Science and Technology, Senior Researcher - 2005 - 2007
Japan Agency for Marine-Earthe Science and Technology, Researcher - Apr. 2004 - Mar. 2005
Japan Agency for Marine-Earth Science and Technology, Technical Researcher
Research activity information
Papers
- Nadia K. Ayoub; María Paz Chidichimo; Edward Dever; Xinyu Guo; Sung Yong Kim; Marjolaine Krug; Belén Martín Míguez; Tamaryn Morris; Moninya Roughan; Janet Sprintall; Kiyoshi Tanaka; Robert E. Todd; John Wilkin; Enrique Álvarez-Fanjul; Magdalena Andres; Anthony Bosse; Christopher A. Edwards; Jonathan Gula; Colette G. Kerry; Yasumasa Miyazawa; Paolo Oddo; Eitarou Oka; Katherine D. Zaba
OBSERVING OCEAN BOUNDARY CURRENTS LESSONS LEARNED FROM SIX REGIONS WITH MATURE OBSERVATIONAL AND MODELING SYSTEMS
Oceanography, Dec. 2024
37, 4
[] - Hakase Hayashida; Yasumasa Miyazawa; Toru Miyama; Yuya Baba; Shoichiro Kido
Ocean weather forecasts
Oceanography in Japan, 15 Nov. 2024
33, 5-6, 89, 101
[] - Gen Li; Yu-Lin Chang; Yasumasa Miyazawa; Ulrike K. Müller
The calculated voyage: benchmarking optimal strategies and consumptions in the Japanese eel’s spawning migration
Scientific Reports, 31 Oct. 2024
14, 1, 26024 - Min Yang; Xinyu Guo; Junyong Zheng; Yasumasa Miyazawa
North-south discrepancy in the contributors to CB153 accumulation in the deep water of the Sea of Japan
Science of the Total Environment, 20 Aug. 2024
939 - Yasumasa Miyazawa; Max Yaremchuk; Sergey M. Varlamov; Toru Miyama; Yu-Lin K. Chang; Hakase Hayashida
An ensemble-based data assimilation system for forecasting variability of the Northwestern Pacific ocean
Ocean Dynamics, 09 May 2024
[] - 小松原 由美; 眞岩 一幸; 宮澤 泰正; 石田 暁之
海底熱水鉱床の開発に伴う環境影響評価のための環境影響予測モデルの開発―海底かく乱試験に伴う濁りの再堆積の予測と検証―
海洋理工学会誌, Apr. 2024
29, 1, 1, 11
[] - Shuya Wang; Xinyu Guo; Akihiko Morimoto; Anzhou Cao; Eisuke Tsutsumi; Yasumasa Miyazawa; Sergey M. Varlamov
Semidiurnal Internal Tides in a Shelf Sea South of Japan: Characteristics, Energetics, and Temporal variations
Progress in Oceanography, Mar. 2024
222
[] - Junyong Zheng; Xinyu Guo; Yasumasa Miyazawa; Haiyan Yang; Min Yang; Xinyan Mao; Wensheng Jiang
Diagnostic Analysis of the Response of Volume Transport through the Tsushima Strait to the Eddy-Induced Variations in the Kuroshio Region
Journal of Physical Oceanography, Nov. 2023
53, 11, 2597, 2617 - Hakase Hayashida; Andrew E. Kiss; Toru Miyama; Yasumasa Miyazawa; Sayaka Yasunaka
Anomalous Nutricline Drives Marked Biogeochemical Contrasts During the Kuroshio Large Meander
Journal of Geophysical Research: Oceans, 11 Jul. 2023
128, 7
[] - Yu-Lin K. Chang; Sergey M. Varlamov; Xinyu Guo; Toru Miyama; Yasumasa Miyazawa
July 2020 heavy rainfall in Japan: effect of real-time river discharge on ocean circulation based on a coupled river-ocean model
Ocean Dynamics, 26 Apr. 2023 - Junyong Zheng; Xinyu Guo; Haiyan Yang; Kailun Du; Xinyan Mao; Wensheng Jiang; Takuya Sagawa; Yasumasa Miyazawa; Sergey M. Varlamov; Ayako Abe‐Ouchi; Wing‐Le Chan
Low Sea Surface Salinity Event of the Japan Sea During the Last Glacial Maximum
Paleoceanography and Paleoclimatology, 25 Jan. 2023
38, 1 - Shun Ohishi; Tsutomu Hihara; Hidenori Aiki; Joji Ishizaka; Yasumasa Miyazawa; Misako Kachi; Takemasa Miyoshi
An ensemble Kalman filter system with the Stony Brook Parallel Ocean Model v1.0
Geoscientific Model Development, 18 Nov. 2022
15, 22, 8395, 8410
[] - Min Yang; Xinyu Guo; Miho Ishizu; Yasumasa Miyazawa
The Kuroshio Regulates the Air–Sea Exchange of PCBs in the Northwestern Pacific Ocean
Environmental Science & Technology, 06 Sep. 2022
56, 17, 12307, 12314
[] - Haiyan Yang; Xinyu Guo; Yasumasa Miyazawa; Sergey M. Varlamov; Ayako Abe‐Ouchi; Wing‐Le Chan
Changes in the Kuroshio Path, Surface Velocity and Transport During the Last 35,000 Years
Geophysical Research Letters, 28 Feb. 2022
49, 4 - Yuka Horiuchi; Teppei Nakano; Yasumasa Miyazawa; Tetsuji Ogawa
Inlier modeling-based good fishing ground detection for efficient bullet tuna trolling using meteorological and oceanographic Information
Proc. MTS/IEEE OCEANS 2022 Chennai Conference and Exhibit (OCEANS2022), Feb. 2022
[] - Miho Ishizu; Yasumasa Miyazawa; Xinyu Guo
Long-term variations in ocean acidification indices in the Northwest Pacific from 1993 to 2018
Climatic Change, Oct. 2021
168, 3-4 - Miho Ishizu; Yasumasa Miyazawa; Tomohiko Tsunoda; Xinyu Guo
Seasonal variability in the inorganic ocean carbon cycle in the Northwest Pacific evaluated using a biogeochemical and carbon model coupled with an operational ocean model
Climatic Change, 2020
162, 2, 877, 902
[] - Miho Ishizu; Yasumasa Miyazawa; Tomohiko Tsunoda; Xinyu Guo
Development of a biogeochemical and carbon model related to ocean acidification indices with an operational ocean model product in the North Western Pacific
Sustainability (Switzerland), 01 May 2019
11, 9
[] - 美山透; 宮澤泰正; SERGEY Varlamov
災害をもたらす気象とその背景/北太平洋を中心とした海洋表層変動研究の現状と将来 2017年黒潮大蛇行の発生
月刊海洋, 01 Mar. 2018
50, 3, 107‐113 - Yasumasa Miyazawa; Sergey M. Varlamov; Toru Miyama; Xinyu Guo; Tsutomu Hihara; Keiji Kiyomatsu; Misako Kachi; Yukio Kurihara; Hiroshi Murakami
Assimilation of high-resolution sea surface temperature data into an operational nowcast/forecast system around Japan using a multi-scale three-dimensional variational scheme
Ocean Dynamics, 01 Jun. 2017
67, 6, 713, 728
[] - Yu-Lin Chang; Yasumasa Miyazawa; Lie-Yauw Oey; Tsubasa Kodaira; Shihming Huang
The formation processes of phytoplankton growth and decline in mesoscale eddies in the western North Pacific Ocean
Journal of Geophysical Research: Oceans, May 2017
122, 5, 4444, 4455
[] - Jing Zhang; Xinyu Guo; Liang Zhao; Yasumasa Miyazawa; Qun Sun
Water exchange across isobaths over the continental shelf of the east China sea
Journal of Physical Oceanography, 01 May 2017
47, 5, 1043, 1060
[] - Tangdong Qu; Tomoki Tozuka; Shinichiro Kida; Xinyu Guo; Yasumasa Miyazawa; Qinyu Liu
Western pacific and marginal sea processes
World Scientific Series on Asia-Pacific Weather and Climate, 2016
7, 151, 186
[] - Waseda Takuji; Matsuda Kazuhiro; Yoshikawa Jun; Webb Adrean; Kiyomatsu Keiji; Fujimoto Wataru; Miyazasa Yasumasa; Sergey Varlamov; Horiuchi Kazutoshi; Fujiwara Toshifumi; Taniguchi Tomoki
Marine Energy Resource Assessment at Reconnaissance to Feasibility Study Stages:Wave Power, Ocean and Tidal Current Power, and Ocean Temperature Power
Journal of the Japan Society of Naval Architects and Ocean Engineers, 2016
23, 0, 189, 198
[] - Yasumasa Miyazawa; Xinyu Guo; Sergey M. Varlamov; Toru Miyama; Ken Yoda; Katsufumi Sato; Toshiyuki Kano; Keiji Sato
Assimilation of the seabird and ship drift data in the north-eastern sea of Japan into an operational ocean nowcast/forecast system
SCIENTIFIC REPORTS, Dec. 2015
5
[] - Yu-Lin Chang; Yasumasa Miyazawa; Xinyu Guo
Effect of Mesoscale Eddies on the Taiwan Strait Current
JOURNAL OF PHYSICAL OCEANOGRAPHY, Jun. 2015
45, 6, 1651, 1666
[] - Yu-Lin Chang; Yasumasa Miyazawa; Xinyu Guo
Effects of the STCC eddies on the Kuroshio based on the 20-year JCOPE2 reanalysis results
PROGRESS IN OCEANOGRAPHY, Jun. 2015
135, 64, 76
[] - Sergey M. Varlamov; Xinyu Guo; Toru Miyama; Kaoru Ichikawa; Takuji Waseda; Yasumasa Miyazawa
M-2 baroclinic tide variability modulated by the ocean circulation south of Japan
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, May 2015
120, 5, 3681, 3710
[] - Yasumasa Miyazawa; Nobuyoshi Yamashita; Sachi Taniyasu; Eriko Yamazaki; Xinyu Guo; Sergey M. Varlamov; Toru Miyama
Oceanic dispersion simulation of perfluoroalkyl substances in the Western North Pacific associated with the Great East Japan Earthquake of 2011
JOURNAL OF OCEANOGRAPHY, Dec. 2014
70, 6, 535, 547
[] - Endro Soeyanto; Xinyu Guo; Jun Ono; Yasumasa Miyazawa
Interannual variations of Kuroshio transport in the East China Sea and its relation to the Pacific Decadal Oscillation and mesoscale eddies
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Jun. 2014
119, 6, 3595, 3616
[] - Takuji Waseda; Masato Sinchi; Keiji Kiyomatsu; Tomoya Nishida; Shunsuke Takahashi; Sho Asaumi; Yoshimi Kawai; Hitoshi Tamura; Yasumasa Miyazawa
Deep water observations of extreme waves with moored and free GPS buoys
Ocean Dynamics, 2014
64, 9, 1269, 1280
[] - Lakshmi Kantha; Hitoshi Tamura; Yasumasa Miyazawa
Comment on "wave-turbulence interaction and its induced mixing in the upper ocean" by Huang and Qiao
Journal of Geophysical Research: Oceans, 2014
119, 2, 1510, 1515
[] - T. Waseda; K. In; K. Kiyomatsu; H. Tamura; Y. Miyazawa; K. Iyama
Predicting freakish sea state with an operational third-generation wave model
NATURAL HAZARDS AND EARTH SYSTEM SCIENCES, 2014
14, 4, 945, 957
[] - Yasumasa Miyazawa; Hiroshi Murakami; Toru Miyama; Sergey M Varlamov; Xinyu Guo; Takuji Waseda; Sourav Sil
Data assimilation of the high-resolution sea surface temperature obtained from the Aqua-Terra satellites (MODIS-SST) using an ensemble Kalman Filter
Remote Sensing, Jun. 2013
5, 6, 3123, 3139
[] - Hitoshi Tamura; Yasumasa Miyazawa; Lie-Yauw Oey
The Stokes drift and wave induced-mass flux in the North Pacific
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Aug. 2012
117, C8
[] - Yasumasa Miyazawa; Toru Miyama; Sergey M. Varlamov; Xinyu Guo; Takuji Waseda
Open and coastal seas interactions south of Japan represented by an ensemble Kalman filter
OCEAN DYNAMICS, Apr. 2012
62, 4, 645, 659
[] - Takuji Waseda; Masato Shinchi; Tomoya Nishida; Hitoshi Tamura; Yasumasa Miyazawa; Yoshimi Kawai; Hiroshi Ichikawa; Hiroyuki Tomita; Akira Nagano; Kyoko Taniguchi
GPS-based wave observation using a moored oceanographic buoy in the deep ocean
Proceedings of the International Offshore and Polar Engineering Conference, 2011
365, 372 - Hitoshi Tamura; Takuji Waseda; Yasumasa Miyazawa
Impact of nonlinear energy transfer on the wave field in Pacific hindcast experiments
Journal of Geophysical Research: Oceans, 2010
115, 12
[] - Yasumasa Miyazawa; Ruochao Zhang; Xinyu Guo; Hitoshi Tamura; Daisuke Ambe; Joon-Soo Lee; Akira Okuno; Hiroshi Yoshinari; Takashi Setou; Kosei Komatsu
Water Mass Variability in the Western North Pacific Detected in a 15-Year Eddy Resolving Ocean Reanalysis
JOURNAL OF OCEANOGRAPHY, Dec. 2009
65, 6, 737, 756
[] - H. Tamura; T. Waseda; Y. Miyazawa
Freakish sea state and swell-windsea coupling: Numerical study of the Suwa-Maru incident
GEOPHYSICAL RESEARCH LETTERS, Jan. 2009
36, 1
[] - Hitoshi Tamura; Takuji Waseda; Yasumasa Miyazawa; Kosei Komatsu
Current-Induced Modulation of the Ocean Wave Spectrum and the Role of Nonlinear Energy Transfer
JOURNAL OF PHYSICAL OCEANOGRAPHY, Dec. 2008
38, 12, 2662, 2684
[] - Yasumasa Miyazawa; Takashi Kagimoto; Xinyu Guo; Hirofumi Sakuma
The Kuroshio large meander formation in 2004 analyzed by an eddy-resolving ocean forecast system
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Oct. 2008
113, C10
[] - Takashi Kagimoto; Yasumasa Miyazawa; Xinyu Guo; Hideyuki Kawajiri
High resolution Kuroshio forecast system: Description and its applications
HIGH RESOLUTION NUMERICAL MODELLING OF THE ATMOSPHERE AND OCEAN, 2008
209, 239
[] - Xinyu Guo; Yasumasa Miyazawa; Toshio Yamagata
The Kuroshio onshore intrusion along the shelf break of the East China Sea: The origin of the Tsushima Warm Current
JOURNAL OF PHYSICAL OCEANOGRAPHY, Dec. 2006
36, 12, 2205, 2231
[] - Yasumasa Miyazawa; Shozo Yamane; Xinyu Guo; Toshio Yamagata
Ensemble forecast of the Kuroshio meandering
Journal of Geophysical Research C: Oceans, 08 Oct. 2005
110, 10, 1, 14
[] - Y Miyazawa; XY Guo; T Yamagata
Roles of mesoscale eddies in the Kuroshio paths
JOURNAL OF PHYSICAL OCEANOGRAPHY, Oct. 2004
34, 10, 2203, 2222
[] - XY Guo; H Hukuda; Y Miyazawa; T Yamagata
A triply nested ocean model for simulating the Kuroshio - Roles of horizontal resolution on JEBAR
JOURNAL OF PHYSICAL OCEANOGRAPHY, Jan. 2003
33, 1, 146, 169
[]
Misc.
- 宮澤泰正
オペレーショナル海流シミュレーションの最前線
シミュレーション, Jun. 2024
43, 2, 110, 117 - 宮澤 泰正
Marine Science Seminar オオミズナギドリと貨物船で海流を測る : 新たな観測手法がひらく海流予測の新展開 : 地球情報館公開セミナー第200回 2016年6月18日開催
Blue earth : 海と地球の情報誌, Jul. 2017
29, 3, 28, 31 - 宮澤 泰正; 鍵本 崇; 小松 幸生; 瀬藤 聡; Joon-Soo Lee; 郭 新宇
数値モデリングにおける東シナ海 : JCOPEを例として—総特集 東シナ海 ; 東シナ海における海洋観測 : 現在と将来
月刊地球 = Chikyu monthly / 月刊地球編集部 編, Oct. 2016
38, 10, 595, 603 - 早稲田卓爾; WEBB Adrean; 宮澤泰正; VARLAMOV Sergey; 藤原敏文; 谷口友基; 清松啓司
海洋再生可能エネルギー資源量推定の不確かさについて
日本海洋学会大会講演要旨集, Aug. 2016
2016, 55 - WEBB Adrean; WASEDA Takuji; FUJIMOTO Wataru; MIYAZAWA Yasumasa; VARLAMOV Sergey; KIYOMATSU Keiji; HORIUCHI Kazutoshi; FUJIWARA Toshifumi; TANIGUCHI Tomoki; MATSUDA Kazuhiro; YOSHIKAWA Jun
A Wave and Current Resource Assessment of Japan: Web GIS Dataset
日本海洋学会大会講演要旨集, Aug. 2016
2016, 54 - 田村 仁; 早稲田 卓爾; 宮澤 泰正
Role of Nonlinear Energy Transfer on Wave spectrum in the Equilibrium Range
土木学会論文集. B2, 海岸工学, 2013
69, 2, 121, 125 - 宮澤 泰正; 早稲田 卓爾
Numerical ocean forecast : current status and future perspective
日本船舶海洋工学会講演会論文集, Jun. 2010
10, 93, 96 - 田村 仁; 早稲田 卓爾; 宮澤 泰正
A generation mechanism of narrow banded wave spectrum : Numerical study of the Suwa-Maru incident
日本船舶海洋工学会講演会論文集, Jun. 2010
10, 35, 38 - 西田 智哉; 早稲田 卓爾; 川合 義美; 市川 洋; 宮澤 泰正; 田村 仁
P309 K-Tritonブイ気象場解析(ポスターセッション)
大会講演予講集, 30 Apr. 2010
97, 292, 292 - 瀬藤聡; 清水学; 宮澤泰正; 小松幸生; 奥野章; 黒田寛; 吉成浩志; LEE Joo‐Soo; 亀田卓彦; 安倍大介; 青木一弘
FRA‐JCOPE海況予測システム
理論応用力学講演会講演論文集, 09 Jun. 2009
58th, 67-68, 28 - YOSHINARI Hiroshi; SETOU Takashi; OKUNO Akira; AMBE Daisuke; KOMATSU Kosei; MIYAZAWA Yasumasa; FRA-JCOPE Group
Impact evaluation of Argo data for the reproducibility of FRA-JCOPE
海と空, 30 Sep. 2008
84, 2, 77, 84 - MIYAZAWA Yasumasa; KOMATSU Kosei; SETOU Takashi
Nowcast skill of the JCOPE2 ocean forecast system in the Kuroshio-Oyashio mixed water region
海と空, 30 Sep. 2008
84, 2, 85, 91 - 瀬藤 聡; 奥野 章; 小松 幸生; 清水 学; 宮澤 泰正; 鍵本 崇; Lee J.S.; 吉成 浩志; 黒田 寛; 安倍 大介; 秋山 秀樹; 章 若潮; FRA-JCOPEグループ
FRA-JCOPEの精度検証
黒潮の資源海洋研究 = Fisheries biology and oceanography in the Kuroshio, Mar. 2008
9, 35, 43 - 宮澤 泰正; 鍵本 崇; 小松 幸生
Numerical modeling of the East China Sea by the JCOPE ocean forecast system
Kaiyo monthly, Mar. 2008
40, 1, 37, 45 - 奥野 章; 瀬藤 聡; 小松 幸生; 植原 量行; 宮澤 泰正
FRA-JCOPE再解析値による黒潮続流再現性の検討
黒潮の資源海洋研究 = Fisheries biology and oceanography in the Kuroshio, Mar. 2007
8, 51, 60 - 清水 学; 小松 幸生; 植原 量行; 伊藤 進一; 角田 智彦; 瀬藤 聡; 日下 彰; 筧 茂穂; 宮澤 泰正; 平井 光行
FRA-JCOPEのデータ流通および利益還元システム
黒潮の資源海洋研究 = Fisheries biology and oceanography in the Kuroshio, Mar. 2007
8, 35, 40 - 清水 学; 小松 幸生; 植原 量行; 瀬藤 聡; 宮澤 泰正; 日下 彰; 伊藤 進一; 筧 茂穂; 平井 光行
数値漁海況予報を目指して
黒潮の資源海洋研究 = Fisheries biology and oceanography in the Kuroshio, Mar. 2006
7, 59, 65 - 清水 学; 小松 幸生; 植原 量行; 瀬藤 聡; 宮澤 泰正; 日下 彰; 伊藤 進一; 筧 茂穂; 鹿島 基彦; 平井 光行
数値漁海況予報を目指して : FRA-JCOPEによる黒潮域の卵稚仔輸送解析
水産海洋研究, 28 Feb. 2006
70, 1, 68, 69 - 瀬藤 聡; 小松 幸生; 宮澤 泰正
御前崎沖黒潮周辺域におけるJCOPE海洋変動予測システムの水塊再現性について (総特集 北太平洋における表層水塊過程) -- (3章 黒潮と水塊構造)
海洋. 号外, 2006
43, 175, 184 - 小松 幸生; 瀬藤 聡; 宮澤 泰正; 秋山 秀樹; 清水 学; 渡邊 朝生; 廣江 豊; 斉藤 勉; 植原 量行; 伊藤 進一; 平井 光行
水産総合研究センターにおける海況予測モデルの開発
黒潮の資源海洋研究 = Fisheries biology and oceanography in the Kuroshio, Mar. 2005
6, 21, 40 - 宮澤 泰正; 地球フロンティア研究システムJCOPEグループ
渦解像モデルによる黒潮のシミュレーション (総特集 海洋モデリングの新世紀--更なる発展には何が必要か?)
海洋, Sep. 2001
33, 9, 656, 663
Presentations
- 宮澤泰正; 木戸晶一郎; Varlamov, M.; Sergey; 美山透; 章若潮; Yu-Lin K. Chang; 林田博士
北西太平洋四次元アンサンブル変分法予測システムその2
2024年度日本海洋学会秋季大会, 18 Sep. 2024 - 宮澤泰正
中規模渦空間スケール把握のための多数漂流ブイ観測
「みらい」P24-01航海（航海番号MR25-01）シンポジウム, 30 Aug. 2024 - Miyazawa,Yasumasa; Kido, Shoichiro; Varlamov M. Sergey; Chang, Yu-Lin K.; hayashida, Hakase
Skill assessment of an ensemble-based Northwestern Pacific Ocean forecast system
The 14th nternational Workshop on Modeling the Ocean, 20 Jun. 2024 - Miyazawa, Yasumasa
JCOPE as an operational forecasting system for sustainable developments
2nd UN Ocean Decade Regional Conference & 11th WESTPAC International Marine Science Conference “Accelerating Ocean Science Solutions for Sustainable Development”, 24 Apr. 2024
