Yusuke Kubo
YOU?
Author Swipe
View article: Automated Detection and Chemical Characterization of Anomalous Grains in Scientific Ocean Drilling Legacy Cores
Automated Detection and Chemical Characterization of Anomalous Grains in Scientific Ocean Drilling Legacy Cores Open
The dynamic behavior of glaciers under varying climatic conditions plays a crucial role in Earth's climate systems, necessitating reliable records of glacial extent throughout the Cenozoic era. Ice-rafted debris (IRD) provides insights int…
View article: 21st Century Drilling Workshops Project - Building capacity in the digital domain using scientific ocean drilling legacy material
21st Century Drilling Workshops Project - Building capacity in the digital domain using scientific ocean drilling legacy material Open
The success of 55+ years of scientific ocean drilling through the International Ocean Discovery Program (IODP) and its predecessors has provided the international scientific ocean drilling (ISOD) community with a wealth of legacy material …
View article: A Case of Cavitary Lung Metastasis From Prostate Cancer
A Case of Cavitary Lung Metastasis From Prostate Cancer Open
A 79‐year‐old man was found to have multiple nodules in the lung fields on chest computed tomography. Metastatic lung cancer was suspected; however, the primary site remained elusive. After 1 year of follow‐up, both the nodules had enlarge…
View article: ReC23-01 – Initial Results of the first KCC-J-DESC Repository Core Re-Discovery Program (ReCoRD)
ReC23-01 – Initial Results of the first KCC-J-DESC Repository Core Re-Discovery Program (ReCoRD) Open
In 2023, the ReCoRD program was initiated by a joint venture of the Kochi Core Center (KCC), Kochi University and the Japan Drilling Earth Science Consortium (J-DESC) as a new workshop type, providing access to IODP cores archived at the K…
View article: High Fluid‐Pressure Patches Beneath the Décollement: A Potential Source of Slow Earthquakes in the Nankai Trough off Cape Muroto
High Fluid‐Pressure Patches Beneath the Décollement: A Potential Source of Slow Earthquakes in the Nankai Trough off Cape Muroto Open
Pore pressure plays a key role in the generation of earthquakes in subduction zones. However, quantitative constraints for its determination are quite limited. Here, we estimate the subsurface pore pressure by analyzing the transient upwel…
View article: IODP Expedition 348, Hole C0002N - Well Logging Data
IODP Expedition 348, Hole C0002N - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 348, Hole C0002N - Well Logging Data
IODP Expedition 348, Hole C0002N - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 337, Hole C0020A - Well Logging Data
IODP Expedition 337, Hole C0020A - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 337, Hole C0020A - Well Logging Data
IODP Expedition 337, Hole C0020A - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 322, Hole C0011A - Well Logging Data
IODP Expedition 322, Hole C0011A - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 322, Hole C0011A - Well Logging Data
IODP Expedition 322, Hole C0011A - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: Temperature limits to deep subseafloor life in the Nankai Trough subduction zone
Temperature limits to deep subseafloor life in the Nankai Trough subduction zone Open
Deep, hot, and more alive than we thought Marine sediments represent a massive microbial ecosystem, but we still do not fully understand what factors shape and limit life underneath the seafloor. Analyzing samples from a subduction zone of…
View article: IODP Expedition 348, Hole C0002P - Well Logging Data
IODP Expedition 348, Hole C0002P - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 348, Hole C0002P - Well Logging Data
IODP Expedition 348, Hole C0002P - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: New <i>Chikyu</i> Shallow Core Program (SCORE): exploring mass transport deposits and the subseafloor biosphere off Cape Erimo, northern Japan
New <i>Chikyu</i> Shallow Core Program (SCORE): exploring mass transport deposits and the subseafloor biosphere off Cape Erimo, northern Japan Open
The Chikyu Shallow Core Program (SCORE) has been started to provide more opportunities for the scientific ocean drilling of shallow boreholes (up to 100 m) during a short-term expedition. The proposal flow is a simplified version of that o…
View article: A copula-based visualization technique for a neural network
A copula-based visualization technique for a neural network Open
Interpretability of machine learning is defined as the extent to which humans can comprehend the reason of a decision. However, a neural network is not considered interpretable due to the ambiguity in its decision-making process. Therefore…
View article: Hot fluids, burial metamorphism and thermal histories in the underthrust sediments at IODP 370 site C0023, Nankai Accretionary Complex
Hot fluids, burial metamorphism and thermal histories in the underthrust sediments at IODP 370 site C0023, Nankai Accretionary Complex Open
This research used samples and data provided by the International Ocean Discovery Program (IODP). The authors are grateful to the IODP and the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT). We thank crew, d…
View article: A New Method for Quality Control of Geological Cores by X-Ray Computed Tomography: Application in IODP Expedition 370
A New Method for Quality Control of Geological Cores by X-Ray Computed Tomography: Application in IODP Expedition 370 Open
X-ray computed tomography (XCT) can be used to identify lithologies and deformation\nstructures within geological core, with the potential for the identification processes to\nbe applied automatically. However, because of drilling disturba…
View article: Preparing for the new age of the Nagoya Protocol in scientific ocean drilling
Preparing for the new age of the Nagoya Protocol in scientific ocean drilling Open
Deep biosphere research has become one of the major scientific focuses in ocean drilling science. Increased scientific attention to microbiological research of the subseafloor environment raises the complications and concerns related to ad…
View article: Deep-biosphere methane production stimulated by geofluids in the nankai accretionary complex
Deep-biosphere methane production stimulated by geofluids in the nankai accretionary complex Open
Microbial life inhabiting subseafloor sediments plays an important role in Earth’s carbon cycle. However, the impact of geodynamic processes on the distributions and carbon-cycling activities of subseafloor life remains poorly constrained.…
View article: Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex
Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex Open
Scientific drilling at a submarine mud volcano shows that geofluid migration stimulates methanogenesis in the deep biosphere.
View article: Data report: water activity of the deep coal-bearing basin off Shimokita from IODP Expedition 337
Data report: water activity of the deep coal-bearing basin off Shimokita from IODP Expedition 337 Open
Water activity (A w ) is one of the physicochemical properties that may influence microbial activity in deep subseafloor environments; however, A w for subseafloor sediments has never been examined, even at shallow depths.This study invest…
View article: Exploration of the deep-subseafloor-biosphere frontiers: Achievements and perspectives
Exploration of the deep-subseafloor-biosphere frontiers: Achievements and perspectives Open
約半世紀の歴史を持つ海洋掘削科学は,プレートテクトニクスの実証や過去の劇的な地球環境変動など,教科書にその名を刻む輝かしい科学的成果をもたらしてきた.中でも,「海底下生命圏」の発見による生命生息可能域の大幅な拡大は,それまでの地球生命科学の概念(パラダイム)を覆すマイルストーン的な科学成果の一つである.これまでに,世界各地の海洋底から掘削されたコアサンプルの多面的な分析研究により,水・エネルギー供給が極めて限られた海底下環境に,固有の進化を遂げた膨大な数の未知微生物が生息し…
View article: IODP Expedition 337: Deep Coalbed Biosphere off Shimokita – Microbial processes and hydrocarbon system associated with deeply buried coalbed in the ocean
IODP Expedition 337: Deep Coalbed Biosphere off Shimokita – Microbial processes and hydrocarbon system associated with deeply buried coalbed in the ocean Open
The Integrated Ocean Drilling Program (IODP) Expedition 337 was the first expedition dedicated to subseafloor microbiology that used riser-drilling technology with the drilling vessel Chikyu. The drilling Site C0020 is located in a forearc…
View article: Experiments on method for washing drill cuttings: evaluation of soaking, stirring, and milling effects
Experiments on method for washing drill cuttings: evaluation of soaking, stirring, and milling effects Open
Effects of soaking, stirring, and milling were investigated to standardize the washing method used for drill cutting samples. Drill cuttings are fragments of solid material ground by a drill bit at the bottom of a hole. They are recovered …