Hotta Daisuke 堀田大介

… Alternative Names

堀田大介ホッタダイスケ

HOTTA Daisuke 堀田大介

Less

Researcher Number	60805365
Other IDs	https://orcid.org/0000-0003-2287-0608
Affiliation (Current)	2025: 気象庁気象研究所, 気象観測研究部, 主任研究官
Affiliation (based on the past Project Information) *help	2021 – 2023: 気象庁気象研究所, 気象観測研究部, 主任研究官 2018: 気象庁気象研究所, 気象観測研究部, 主任研究官 2017 – 2018: 気象庁気象研究所, 予報研究部, 主任研究官
Review Section/Research Field	Principal Investigator Basic Section 17020:Atmospheric and hydrospheric sciences-related / Meteorology/Physical oceanography/Hydrology Except Principal Investigator Basic Section 17020:Atmospheric and hydrospheric sciences-related
Keywords	Principal Investigator データ同化 / 位置ずれ / 非ガウス性 / 数値予報 / 自己符号化器 / ガウス分布 / 赤外画像 / 画像データ / 非ガウス分布 / 衛星測位 … More / リモートセンシング / 統計数学 / 気象学 / GNSS / アンサンブルカルマンフィルタ / 地上GNSS観測 / 共分散局所化 / アンサンブル・カルマンフィルタ … More Except Principal Investigator 豪雨の発達機構 / アンサンブル予測 / 水物質の背景誤差 / 数値天気予報 / 深層学習 / 集中豪雨 / データ同化 Less

Innovating assimilation of non-Gaussian image-like observationsPrincipal Investigator
- Principal Investigator
  
  堀田大介
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17020:Atmospheric and hydrospheric sciences-related
- Research Institution
  Japan, Meteorological Research Institute
Research on hydrometeors assimilation methods to elucidate the mechanisms of torrential rain development
- Principal Investigator
  
  Ikuta Yasutaka
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17020:Atmospheric and hydrospheric sciences-related
- Research Institution
  Japan, Meteorological Research Institute
Improving LETKF assimilation of remotely-sensed dense observations through direct model-space covariance localizationPrincipal Investigator
- Principal Investigator
  
  HOTTA Daisuke
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Japan, Meteorological Research Institute

All 2024 2023 2021 2019 2018 2017

All Journal Article Presentation

[Journal Article] Forward operator for polarimetric radio occultation measurements2024
- Author(s)
  Hotta Daisuke、Lonitz Katrin、Healy Sean
- Journal Title
  
  Atmospheric Measurement Techniques
  
  Volume: 17 Issue: 3 Pages: 1075-1089
- DOI
  10.5194/amt-17-1075-2024
- Data Source
  KAKENHI-PROJECT-21K03668
[Journal Article] Twin‐analysis verification: A new verification approach to alleviate pitfalls of own‐analysis verification2023
- Author(s)
  Hotta Daisuke、Kadowaki Takashi、Yonehara Hitoshi、Ishibashi Toshiyuki
- Journal Title
  
  Quarterly Journal of the Royal Meteorological Society
  
  Volume: - Issue: 752 Pages: 924-932
- DOI
  10.1002/qj.4441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03668
[Journal Article] On the foundation and different interpretations of ensemble sensitivity2023
- Author(s)
  Duc Le、Kawabata Takuya、Hotta Daisuke
- Journal Title
  
  Monthly Weather Review
  
  Volume: - Issue: 7 Pages: 1689-1697
- DOI
  10.1175/mwr-d-22-0273.1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03668
[Journal Article] Statistical generation of SST perturbations with spatio‐temporally coherent growing patterns2019
- Author(s)
  Hotta Daisuke、Ota Yoichiro
- Journal Title
  
  Quarterly Journal of the Royal Meteorological Society
  
  Volume: 印刷中 Issue: 721 Pages: 1660-1673
- DOI
  10.1002/qj.3518
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H07352
[Journal Article] A nestable, multigrid-friendly grid on a sphere for global spectral models based on Clenshaw-Curtis quadrature2018
- Author(s)
  Hotta D.、Ujiie M.
- Journal Title
  
  Quarterly Journal of the Royal Meteorological Society
  
  Volume: 未定 Issue: 714 Pages: 1382-1397
- DOI
  10.1002/qj.3282
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H07352
[Journal Article] EFSR: Ensemble Forecast Sensitivity to Observation Error Covariance2017
- Author(s)
  Hotta Daisuke、Kalnay Eugenia、Ota Yoichiro、Miyoshi Takemasa
- Journal Title
  
  Monthly Weather Review
  
  Volume: 145 Issue: 12 Pages: 5015-5031
- DOI
  10.1175/mwr-d-17-0122.1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2023
- Author(s)
  Daisuke Hotta, Bun-Kim San,Loik Berre, and Vincent Chabot
- Organizer
  9th International Symposium on Data Assimilation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03669
[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2023
- Author(s)
  Daisuke Hotta, Bun-Kim San,Loik Berre, and Vincent Chabot
- Organizer
  9th International Symposium on Data Assimilation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03668
[Presentation] Gaussian Assimilation of non-Gaussian Image Data via Pre-Processing by Variational Auto-Encoder (VAE)2023
- Author(s)
  Daisuke Hotta
- Organizer
  10th International Congress on Industrial and Applied Mathematics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03669
[Presentation] OctaHEALPix grid: a new, equal-area quadrilateral grid on a sphere which admits spherical harmonics transform2023
- Author(s)
  Daisuke Hotta, Milan Klower, and Sam Hatfield
- Organizer
  6th International Workshop on Nonhydrostatic Model
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03669
[Presentation] "Twin-analysis" verification: a new verification approach that alleviates pitfalls of "own-analysis" verification when applied to short-range forecasts2021
- Author(s)
  Daisuke Hotta, Takashi Kadowaki, Hitoshi Yonehara, Toshiyuki Ishibashi
- Organizer
  Joint WCRP-WWRP Symposium on Data Assimilation and Reanalysis
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03668
[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2021
- Author(s)
  Daisuke Hotta
- Organizer
  International Symposium on Data Assimilation - Online
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03668
[Presentation] Gaussian Assimilation of non-Gaussian Image Data via Pre-Processing by Variational Auto-Encoder (VAE)2021
- Author(s)
  Daisuke Hotta
- Organizer
  ESA-ECMWF Workshop 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03668
[Presentation] Accounting for multi-scale vertical error correlation within ETKF through spectral-space covariance localization2019
- Author(s)
  Hotta, D. and C. H. Bishop
- Organizer
  7th International Symposium on Data Assimilation (ISDA)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] ネスト可能でマルチグリッド法の利用に適した全球スペクトルモデル用の格子系の提案2018
- Author(s)
  堀田大介, 氏家将志
- Organizer
  日本気象学会2018年度春季大会
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] Toward improved LETKF assimilation of non-local and dense observation by direct covariance localization in model space2018
- Author(s)
  Daisuke Hotta
- Organizer
  6th International Symposium on Data Assimilation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] Toward improved LETKF assimilation of non-local and dense observation by direct covariance localization in model space2018
- Author(s)
  Daisuke Hotta
- Organizer
  8th EnKF Data Assimilation Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] EFSR: Ensemble Forecast Sensitivity to Observation Error Covariance2018
- Author(s)
  Hotta. D., E. Kalnay, Y. Ota and T. Miyoshi
- Organizer
  6th International Symposium on Data Assimilation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] The diagonally predominant property of the positive symmetric ensemble transform matrix and its application in ensemble forecast and data assimilation2018
- Author(s)
  Duc、L., K. Saito and D. Hotta
- Organizer
  気象庁数値予報課コロキウム
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] Development and validation of a diagonal ensemble transform Kalman filter2018
- Author(s)
  Duc, L., K. Saito, and D. Hotta
- Organizer
  The 5th International Workshop on Nonhydrostatic Models
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] EFSR: Ensemble Forecast Sensitivity to Observation Error Covariance2018
- Author(s)
  Hotta. D., E. Kalnay, Y. Ota and T. Miyoshi
- Organizer
  8th EnKF Data Assimilation Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] モデル空間局所化での事後アンサンブル生成方法についての考察2018
- Author(s)
  堀田大介
- Organizer
  第5回アンサンブルデータ同化摂動に関する研究会
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] The diagonally predominant property of the positive symmetric ensemble transform matrix and its application in ensemble forecast and data assimilation2018
- Author(s)
  Duc、L., K. Saito and D. Hotta
- Organizer
  6th International Symposium on Data Assimilation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] EFSO and DFS diagnostics for JMA's global Data Assimilation system: their caveats and potential pitfalls2018
- Author(s)
  Hotta. D. and Y. Ota
- Organizer
  Workshop on Sensitivity Analysis and Data Assimilation in Meteorology and Oceanography
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] Symmetric square rootと変換行列の対角成分2017
- Author(s)
  堀田大介
- Organizer
  平成29年度第1回アンサンブル同化摂動手法に関する研究会
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] The diagonally predominant property of the positive symmetric ensemble transform matrix (ETM) and its application in ensemble forecast2017
- Author(s)
  Duc, L., K. Saito and D. Hotta
- Organizer
  平成29年度第2回アンサンブル同化摂動手法に関する研究会
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] EFSR: アンサンブル感度解析を用いた観測誤差共分散行列の推定手法2017
- Author(s)
  Hotta Daisuke、Kalnay Eugenia、Ota Yoichiro、Miyoshi Takemasa
- Organizer
  第21回データ同化夏の学校
- Data Source
  KAKENHI-PROJECT-17H07352
[Presentation] An explanation for the diagonally predominant property of ensemble transform matrices.2017
- Author(s)
  Duc, L., K. Saito and D. Hotta
- Organizer
  日本気象学会秋季大会
- Data Source
  KAKENHI-PROJECT-17H07352

1. Ikuta Yasutaka (80878249)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 澤田謙 (10847205)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. SEKO Hiromu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. SHOJI Yoshinori

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. OTA Yoichiro

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
6. KALNAY Eugenia

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results

Hotta Daisuke 堀田 大介

堀田 大介 ホッタ ダイスケ

HOTTA Daisuke 堀田 大介

Research Projects

Research Products

Co-Researchers

Innovating assimilation of non-Gaussian image-like observationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on hydrometeors assimilation methods to elucidate the mechanisms of torrential rain development

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Improving LETKF assimilation of remotely-sensed dense observations through direct model-space covariance localizationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Forward operator for polarimetric radio occultation measurements2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Twin‐analysis verification: A new verification approach to alleviate pitfalls of own‐analysis verification2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On the foundation and different interpretations of ensemble sensitivity2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Statistical generation of SST perturbations with spatio‐temporally coherent growing patterns2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A nestable, multigrid-friendly grid on a sphere for global spectral models based on Clenshaw-Curtis quadrature2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] EFSR: Ensemble Forecast Sensitivity to Observation Error Covariance2017

Author(s)

Journal Title

DOI

Data Source

[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2023

Author(s)

Organizer

Data Source

[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2023

Author(s)

Organizer

Data Source

[Presentation] Gaussian Assimilation of non-Gaussian Image Data via Pre-Processing by Variational Auto-Encoder (VAE)2023

Author(s)

Organizer

Data Source

[Presentation] OctaHEALPix grid: a new, equal-area quadrilateral grid on a sphere which admits spherical harmonics transform2023

Author(s)

Organizer

Data Source

[Presentation] "Twin-analysis" verification: a new verification approach that alleviates pitfalls of "own-analysis" verification when applied to short-range forecasts2021

Author(s)

Organizer

Data Source

[Presentation] VAE as a Stochastic Multidimensional Extension to Gaussian Anamorphosis2021

Author(s)

Organizer

Data Source

[Presentation] Gaussian Assimilation of non-Gaussian Image Data via Pre-Processing by Variational Auto-Encoder (VAE)2021

Author(s)

Hotta Daisuke 堀田大介

堀田大介ホッタダイスケ

HOTTA Daisuke 堀田大介

[Presentation] ネスト可能でマルチグリッド法の利用に適した全球スペクトルモデル用の格子系の提案2018