Presentations -
about 49-
Assessment of particle absorption coefficient measurement quality during the IOPs workshop 2023 by the GCOM-C ocean color community
Hiroto Higa, Shintaro Takao, Amane Fujiwara, Tomonori Isada, Toru Hirawake
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Oral presentation (general)
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Advancements in chlorophyll-a retrieval: Integrating convolution neural network models with Sentinel-2 multispectral instrument
Salem Ibrahim Salem, Muhammad Salah, Hiroto Higa, Joji Ishizaka
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Oral presentation (general)
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Numerical analysis of fecal pollution caused by combined sewer overflows in the Odaiba coastal area of Tokyo
Mizuki Arii, Hiroto Higa, Hiroaki Furumai
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Analysis of sediment-water cycling of metals and nutrients using a hydrodynamic-ecosystem coupled model for Tokyo Bay
Satomi Nakamura, Hiroto Higa, Teruhisa Okada, Yoshiyuki Nakamura
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Understanding the spatial dynamics of blue tides using ocean color satellite data and ecosystem model
Hinata Kawano, Hiroto Higa, Satomi Nakamura, Salem Ibrahim Salem, and Shogo Sugahara
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Improvement of atmospheric correction considering absorptive aerosols optical properties based on radiometric observations
Yamato Ogura, Hiroshi Kobayashi, Hiroto Higa, Hitoshi Irie
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Development of an ecosystem-bio-optical coupling model considering the variability of SIOPs in Tokyo Bay
Yuta Shinohara, Hiroto Higa, Taiga Nakayama, Salem Ibrahim Salem
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Advanced machine learning approach for chlorophyll-a retrieval with SGLI/GCOM-C data
Muhammad Salah, Hiroto Higa, Joji Ishizaka, Salem Ibrahim Salem
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Simultaneous retrieval of water quality indices using machine learning and GCOM-C satellite
Yuuto Sasaki, Muhammad Salah , Hiroto Higa, Salem Ibrahim Salem
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Machine learning approach for harmful algal blooms classification and quantification
Luka Kirtadze, Adrian Gomez, Muhammad Salah, Yuta Shinohara, Eko Siswanto, Hiroto Higa, Salem Ibrahim Salem
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Oral presentation (general)
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Observations of water optical properties during red tide off southeast Hokkaido by GCOM-C/SGLI
Eko Siswanto, Jutarak Luang-on, Kazunori Ogata, Hiroto Higa, Mitsuhiro Toratani
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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Temporal and spatial variation analysis of IOPs in coastal areas using GCOM-C/SGLI
Natsuki Ichimura, Hiroto Higa, Salem Ibrahim Salem
11th AWOC / 20th KJWOC
Event date： 2023.12
Language：English Presentation type：Poster presentation
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浚渫窪地における貧酸素水塊中の二酸化炭素挙動
遠藤雅実，岡田輝久，比嘉紘士，佐々木淳
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
Venue：愛媛大学
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多様な水塊に適用可能な固有光学特性推定手法の検討
渡邊薫，比嘉紘士，松下流也
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
Venue：愛媛大学
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東京湾におけるデータ同化手法を用いた数値モデルの高精度化
篠原優太，岡田輝久，比嘉紘士
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
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高濁度水域における放射伝達モデルを用いた後方散乱係数測定の不確実性に関する解析
出野亮太，比嘉紘士，松下流也
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
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東京湾における流動・生態系モデルを用いた水底間の硫化物・鉄・マンガン循環の解析
中村聖美，比嘉紘士，岡田輝久，林宏樹
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
Venue：愛媛大学
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東京湾における鉄・マンガンの動態回名に関する現地観測
比嘉紘士，林宏樹，岡田輝久，遠藤雅実
日本水環境学会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
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Review of Measurement Method for Light Absorption Coefficients based on the Filter Pad Method
Hiroto Higa, Ryuya Matsushita, Salem Ibrahim Salem
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Promoting the Utilization of the Marine Information Service for Fisheries
Sumire Hiramatsu, Hiroto Higa, Kasunori Ogata, Eiichi Haraki
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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A Study on Understanding the Spatio-Temporal Behavior of Plastic Waste in River Basins Using Small Satellites and Trail Cameras
Sho Morimoto, Hiroto Higa, Salem Ibrahim Salem
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
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COM-C/SGLI Preliminary Investigation of Red Tides in Asian Coastal Waters
Jutarak Luang-on, Eko Siswanto, Hiroto Higa, Mitsuhiro Toratani, Kazunori Ogata, Joji Ishizaka
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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A Study on Development of SGLI Atmospheric Correction for Various Water Areas Using Linear Combination Index (LCI) algorithm
Kaoru Takeuchi, Hiroto Higa, Salem Ibrahim Salem
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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A Deep Learning Approach for Chl-a Estimation using Remote Sensing Reflectance
Muhammad Salah, Salem Ibrahim Salem, Joji Ishizaka, Hiroto Higa
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Evaluation of Semi-Analytical Inversion Algorithms for Inherent Optical Properties by Water Mass Classification from Open Ocean to Highly Turbid Coastal Areas
Ryuya Matsushita, Hiroto Higa, Joji Ishizaka, Victor S. Kuwahara, Salem Ibrahim Salem
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Novel Spectral Band-Shifting Technique for Ocean Color Multispectral Sensors
Salem Ibrahim Salem, Hiroto Higa, Joji Ishizaka
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Ocean Color Inversion Model Applicable to Various Water Masses for Retrieving Inherent Optical Properties
Kaoru Watanabe, Hiroto Higa, Ryuya Matsushita, Salem Ibrahim Salem
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Analysis of water quality fluctuation patterns in Tokyo Bay based on spatial information from IOPs
Shogo Minamiyama, Hiroto Higa, Ryuya Matsushita
AWOC/KJWOC 2022 2022.12 Jonson Lumban Gaol
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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GCOM-C SGLIを用いた沿岸域における吸収性エアロゾル検出手法の検討
竹内芳，比嘉紘士
日本リモートセンシング学会 2022.11
Event date： 2022.11
Language：Japanese Presentation type：Oral presentation (general)
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GCOM-C/SGLIを想定した固有光学特性推定アルゴリズムの精度検証と特徴把握
松下流也，比嘉紘士，石坂丞二 ，桑原ビクター伸一
日本リモートセンシング学会 2022.11
Event date： 2022.11
Language：English Presentation type：Oral presentation (general)
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東京湾におけるAERONET-OCを用いた海色衛星データ解析への応用
比嘉紘士，南山将吾，松下流也，竹内芳
日本リモートセンシング学会 2022.11
Event date： 2022.11
Language：Japanese Presentation type：Oral presentation (general)
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SeaBASSと東京湾実測反射率データを使った沿岸クロロフィル推定モデルの検証
高澤薫平，高澤薫平，作野裕司，比嘉紘士
日本リモートセンシング学会 2022.11
Event date： 2022.11
Language：English Presentation type：Oral presentation (general)
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Performance Evaluation of IOP Algorithms by Optical Synthetic Data assuming GCOM-C/SGLI Bands
Hiroto Higa, Kanako Fujita
International Symposium on Remote Sensing 2022 2022.5
Event date： 2022.5
Language：English Presentation type：Oral presentation (general)
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東京湾における水底間の鉄・マンガン，硫化物動態の解析
林宏樹，比嘉紘士，遅乃文
日本水環境学会 2022.3
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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沿岸域の光学的特徴分類に基づく固有光学特性推定アルゴリズムの検証
松下流也，比嘉紘士
日本水環境学会 2022.3
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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海色リモートセンシングにおける沿岸域の大気補正モデル開発の試み
竹内芳，比嘉紘士
日本水環境学会 2022.3
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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AERONET-OC を用いた閉鎖性内湾域における大気・水中の光学的特性の解析
武藤正剛，比嘉紘士
日本水環境学会 2022.3
Event date： 2022.3
Language：English Presentation type：Oral presentation (general)
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定点モニタリングシステムによる青潮の広域的動態に関する検討
遠藤雅実，比嘉紘士
日本水環境学会 2022.3
Event date： 2022.3
Language：English Presentation type：Oral presentation (general)
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Spectral Band-Shifting of Multispectral Remote Sensing Reflectance
Salem Ibrahim Salem, Hiroto Higa, and Joji Ishizaka
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Synthetic dataset for optically complex waters and its application of ocean color inversion algorithms validation
Kanako Fujita, Hiroto Higa, Salem Ibrahim Salem
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Validation of the inherent optical property estimation algorithms assuming GCOM-C/SGLI bands for coastal areas
Ryuya Matsushita, Hiroto Higa, Joji Ishizaka, Victor.S Kuwahara, Salem Ibrahim Salem
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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A trial of atmospheric correction development for highly turbid coastal areas using GCOM-C/SGLI
Kaoru Takeuchi, Hiroto Higa
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Analysing Optical Propaties for Atmosphere and in-water in Coastal Areas by AERONET-OC
Masataka Muto, Hiroto Higa
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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Elucidating optical properties of multiple water areas based on backscattering ratio by radiative transfer simulation
Ryota Ideno, Hiroto Higa, Kanako Fujita
AWOC/KJWOC 2021 2021.12 Kim, Junghyun
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：online
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高濁度水域に適した光学合成データの構築と固有光学特性推定アルゴリズムの検証
藤田夏菜子，比嘉紘士，松下流也
日本リモートセンシング学会 2021.11
Event date： 2021.11
Language：Japanese Presentation type：Oral presentation (general)
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AERONET-OCによる東京湾における正規化海水射出放射輝度とクロロフィルaの光学的関係について
武藤正剛，比嘉紘士
日本リモートセンシング学会 2021.11
Event date： 2021.11
Language：English Presentation type：Oral presentation (general)
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濁質の特性が異なる複数の高濁度水域における後方散乱測定の有効性の検証
出野亮太，比嘉紘士，藤田夏菜子
日本リモートセンシング学会 2021.11
Event date： 2021.11
Language：Japanese Presentation type：Oral presentation (general)
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GCOM-C/SGLIを想定した固有光学特性推定アルゴリズムの精度検証と特徴把握
松下流也，比嘉紘士，石坂丞二，桑原ビクター伸一
日本リモートセンシング学会 2021.11
Event date： 2021.11
Language：Japanese Presentation type：Oral presentation (general)
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宍道湖・中海水系における塩分変動に関連した水質応答解析
中村聖美，比嘉紘士，中村由行
水環境学会シンポジウム 2021.9 汽水域研究委員会
Event date： 2021.9
Language：Japanese Presentation type：Oral presentation (general)