Takemasa Miyoshi

Profile Information

Affiliation: RIKEN
: (Concurrent)
: (Concurrent)
: The University of Maryland
: Japan Agency for Marine-Earth Science and Technology
: Graduate School of Science, Kyoto University
: Japan Science and Technology Agency

Degree: Ph.D.(Aug, 2005, University of Maryland)

J-GLOBAL ID: 201101067705643788
Researcher ID: C-2768-2009
researchmap Member ID: B000004151

External link: http://data-assimilation.riken.jp/~miyoshi/

Research Areas

Natural sciences / Atmospheric and hydrospheric science /

Papers

168

Ensemble-based Data Assimilation of GPM DPR Reflectivity: Cloud Microphysics Parameter Estimation with the Nonhydrostatic Icosahedral Atmospheric Model (NICAM)

Shunji Kotsuki, Koji Terasaki, Masaki Satoh, Takemasa Miyoshi

2023 Peer-reviewed
A Local Particle Filter and Its Gaussian Mixture Extension Implemented with Minor Modifications to the LETKF

Shunji Kotsuki, Takemasa Miyoshi, Keiichi Kondo, Roland Potthast

Jun 7, 2022
An EnKF-based ocean data assimilation system improved by adaptive observation error inflation (AOEI)

Shun Ohishi, Takemasa Miyoshi, Misako Kachi

Mar 31, 2022
Progress of developing flood forecasting system by Today’s Earth (TE)

Wenchao Ma, Yuta Ishitsuka, Akira Takeshima, Kenshi Hibino, Dai Yamazaki, Taikan Oki, Ying-Wen Chen, Masaki Satoh, Kotsuki Shunji, Takemasa Miyoshi, Kosuke Yamamoto, Misako Kachi, Takuji Kubota, Riko Oki, Kei Yoshimura

Mar 28, 2022
An ensemble Kalman filter system with the Stony Brook Parallel Ocean Model v1.0

Shun Ohishi, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, Takemasa Miyoshi

Mar 4, 2022
Enhancing data assimilation of GPM observations

Takemasa Miyoshi, Koji Terasaki, Shunji Kotsuki, Shigenori Otsuka, Ying-Wen Chen, Kaya Kanemaru, Kozo Okamoto, Keiichi Kondo, Guo-Yuan Lien, Hisashi Yashiro, Hirofumi Tomita, Masaki Satoh, Eugenia Kalnay

Precipitation Science, 787-804, 2022
Potential Impacts of Lightning Flash Observations on Numerical Weather Prediction With Explicit Lightning Processes

Takumi Honda, Yousuke Sato, Takemasa Miyoshi

Journal of Geophysical Research: Atmospheres, 126(19), Oct 16, 2021
Revisiting Online and Offline Data Assimilation Comparison for Paleoclimate Reconstruction: An Idealized OSSE Study

Atsushi Okazaki, Takemasa Miyoshi, Kei Yoshimura, Steven J. Greybush, Fuqing Zhang

Journal of Geophysical Research: Atmospheres, 126(16), Aug 27, 2021
Oversampling Reflectivity Observations From a Geostationary Precipitation Radar Satellite: Impact on Typhoon Forecasts Within a Perfect Model OSSE Framework

James Taylor, Atsushi Okazaki, Takumi Honda, Shunji Kotsuki, Moeka Yamaji, Takuji Kubota, Riko Oki, Toshio Iguchi, Takemasa Miyoshi

Journal of Advances in Modeling Earth Systems, 13(7), Jul, 2021
EFSO at different geographical locations verified with observing-system experiments

Akira Yamazaki, Takemasa Miyoshi, Jun Inoue, Takeshi Enomoto, Nobumasa Komori

Weather and Forecasting, Apr 29, 2021
Regional-scale data assimilation with the Spatially Explicit Individual-based Dynamic Global Vegetation Model (SEIB-DGVM) over Siberia.

Hazuki Arakida, Shunji Kotsuki, Shigenori Otsuka, Yohei Sawada, Takemasa Miyoshi

Progress in Earth and Planetary Science, 2021 Peer-reviewed
A 1024-member ensemble data assimilation with 3.5-km mesh global weather simulations

Hisashi Yashiro, Koji Terasaki, Yuta Kawai, Shuhei Kudo, Takemasa Miyoshi, Toshiyuki Imamura, Kazuo Minami, Hikaru Inoue, Tatsuo Nishiki, Takayuki Saji, Masaki Satoh, Hirofumi Tomita

International Conference for High Performance Computing, Networking, Storage and Analysis, SC, 2020-November, Nov, 2020
Weight structure of the Local Ensemble Transform Kalman Filter: A case with an intermediate atmospheric general circulation model

Shunji Kotsuki, Andrew Pensoneault, Atsushi Okazaki, Takemasa Miyoshi

Quarterly Journal of the Royal Meteorological Society, Aug 18, 2020
Data Assimilation for Climate Research: Model Parameter Estimation of Large‐Scale Condensation Scheme

Shunji Kotsuki, Yousuke Sato, Takemasa Miyoshi

Journal of Geophysical Research: Atmospheres, 125(1), Jan 16, 2020
Improving the Observation Operator for the Phased Array Weather Radar in the SCALE-LETKF System

Arata Amemiya, Takumi Honda, Takemasa Miyoshi

SOLA, 16 6-11, 2020
Precipitation ensemble data assimilation in NWP models

Takemasa Miyoshi, Shunji Kotsuki, Koji Terasaki, Shigenori Otsuka, Guo Yuan Lien, Hisashi Yashiro, Hirofumi Tomita, Masaki Satoh, Eugenia Kalnay

Advances in Global Change Research, 69 983-991, 2020
Impact of the Window Length of Four-Dimensional Local Ensemble Transform Kalman Filter: A Case of Convective Rain Event

Yasumitsu Maejima, Takemasa Miyoshi

SOLA, 16 37-42, 2020 Peer-reviewed
Non-Gaussian statistics in global atmospheric dynamics: a study with a 10 240-member ensemble Kalman filter using an intermediate atmospheric general circulation model

Keiichi KONDO, MIYOSHI, Takemasa

Nonlinear Processes in Geophysics, 26 211-225, Aug, 2019 Peer-reviewed
Global Precipitation Forecasts by Merging Extrapolation-based Nowcast and Numerical Weather Prediction with Locally-optimized Weights

Shunji Kotsuki, Kenta Kurosawa, Shigenori Otsuka, Koji Terasaki, Takemasa Miyoshi

Weather and Forecasting, 34 701-714, Apr, 2019 Peer-reviewed
Assimilating Every‐10‐minute Himawari‐8 Infrared Radiances to Improve Convective Predictability

Yohei Sawada, Kozo Okamoto, Masaru Kunii, Takemasa Miyoshi

Journal of Geophysical Research: Atmospheres, 124(5) 2546-2561, Mar 16, 2019

Misc.

133

気象災害委員会・第54回メソ気象研究会「令和2年7月豪雨」報告

川畑拓矢, 荒木健太郎, 清水慎吾, 下瀬健一, 三好建正, 前島康光

天気, 68(8) 443-446, Aug, 2021
さいたまMP-PAWRで観測された2019年台風15号の強風域の3次元構造

佐藤晋介, 磯田総子, 岩井宏徳, 花土弘, 中川勝広, 大塚成徳, 三好建正, 前坂剛, 清水慎吾

日本気象学会大会講演予稿集(CD-ROM), (117), 2020
シンポジウム第9回データ同化ワークショップの報告

川畑拓矢, 上野玄太, 中野慎也, 藤井陽介, 三好建正, 小守信正, 増田周平, 茂木耕作, 小槻峻司, 澤田洋平, van LEEUWEN Peter Jan, 長尾大道

66(2) 161-164, Feb, 2019
観測インパクト評価診断（EFSO）ツールの適応型観測実験への利用

山崎哲, 三好建正, 榎本剛, 小守信正, 猪上淳

日本気象学会2018年度春季大会, May 17, 2018
シンポジウム第8回データ同化ワークショップの報告

川畑拓矢, 上野玄太, 中野慎也, 藤井陽介, 三好建正, 小守信正, 増田周平, 茂木耕作, 中村和幸, 杉本憲彦, 前島康光, Duc Le, 小槻峻司, 須藤明人, 杉浦望実, 釜堀弘隆

天気, 65(5) 330-333, May, 2018
フェーズドアレイ気象レーダーで観測された3次元降水データの時空間特性

佐藤晋介, 磯田総子, 佐野哲也, 諸田雪江, 岩井宏徳, 川村誠治, 花土弘, 中川勝広, 牛尾知雄, 三好建正

日本気象学会大会講演予稿集, (113) 286, Apr 30, 2018
AFES-LETKF 同化システムへの対観測予報感度診断ツールの実装

山崎哲, 三好建正, 榎本剛, 小守信正

日本気象学会2017年度秋季大会, Oct 31, 2017
複数の衛星観測データを用いたCO₂データ同化実験(II)

眞木貴史, 関山剛, 三好建正, 中村貴, 岩崎俊樹

日本気象学会大会講演予稿集, (112) 243, Sep 30, 2017
Goals of the Symposium : the K Computer, Big Data, and the Post-K (A Report on the Symposium of the 2015 Fall Assembly of the Meteorological Society of Japan)

64(5) 323-325, May, 2017
Basics and applications of the ensemble Kalman filter : Leading-edge research using the K computer

(59) 28-36, 2017
Ensemble-based experimental atmospheric reanalysis using a global coupled atmosphere-ocean GCM

小守信正, 榎本剛, 三好建正, 山崎哲, 吉田聡, 田口文明

海洋. 号外 = Kaiyo monthly : カラー版, (59) 93-97, 2017
GPM全球降水マップのデータ同化手法の研究

中島映至, 久保田拓志, 三好建正, 小槻峻司, 寺崎康児, 八代尚

宇宙航空研究開発機構特別資料 JAXA-SP-(Web), (16-003) 159‐161 (WEB ONLY), Sep 30, 2016
Arctic OSE studies by using the AFES-LETKF data assimilation system

Yamazaki, A, J. Inoue, T. Enomoto, T. Miyoshi, N. Komori

Fifth International Symposium on Data Assimilation 2016, Jul, 2016
Study for Tropical Climate Variability Prediction using Global Cloud-Resolving Model

Annual report of the earth simulator, 167-170, Apr, 2016
革新的な数値天気予報と被害レベル推定に基づく高度な気象防災

瀬古弘, 三好建正, 斉藤和雄, 新野宏, 田村哲郎, 国井勝

日本地球惑星科学連合大会予稿集(Web), 2016 ROMBUNNO.AAS02‐P10 (WEB ONLY), 2016
Data assimilation experiments of phased array weather radar with 30-second-update ensemble Kalman filter with 100-m resolution

KUNII Masaru, RUIZ Juan, LIEN Guo‐Yuan, USHIO Tomoo, SATOH Shinsuke, BESSHO Kotaro, SEKO Hiromu, MIYOSHI Takemasa

日本地球惑星科学連合大会予稿集(Web), 2016 ROMBUNNO.AAS02‐03 (WEB ONLY), 2016
気象学データ同化の進展と広がり

三好建正

JGL = 日本地球惑星科学連合ニュースレター : Japan geoscience letters, 11(4) 1-3, Nov, 2015
ビッグデータ同化システムを用いた局地的豪雨発生過程のシミュレーション

前島康光, 国井勝, 瀬古弘, 呉宏堯, 佐藤香枝, 三好建正

日本気象学会大会講演予稿集, (108) 162, Sep 30, 2015
高解像度・多アンサンブル同化シミュレーションを可能にするNICAM‐LETKFフレームワークの開発

八代尚, 寺崎康児, 三好建正, 富田浩文

日本気象学会大会講演予稿集, (108) 395, Sep 30, 2015
局地的豪雨の予測における稠密な地上観測データ同化の効果

前島康光, 国井勝, 瀬古弘, 前田亮太, 佐藤香枝, 三好建正

日本気象学会大会講演予稿集, 107(107) 382-382, Apr 30, 2015

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