Mai‐Linh Doan
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View article: A Collaborative Assessment of Coastal Ocean Acidification Monitoring in Maine & Standard Operating Procedures and Best Practices for the Collection of Continuous pH Data in Coastal Marine Environments
A Collaborative Assessment of Coastal Ocean Acidification Monitoring in Maine & Standard Operating Procedures and Best Practices for the Collection of Continuous pH Data in Coastal Marine Environments Open
The ‘Sensor Squad’ of the Maine Ocean Climate Collaborative is the product of a 2023 Maine Coastal and Marine Climate Action Fund grant to conduct “A two-year pilot project designed to address and overcome technological barriers to ocean a…
View article: Change of Thought: Adaptive Test-Time Computation
Change of Thought: Adaptive Test-Time Computation Open
Transformers evaluated in a single, fixed-depth pass are provably limited in expressive power to the constant-depth circuit class TC0. Running a Transformer autoregressively removes that ceiling -- first in next-token prediction and, more …
View article: Seismic Velocities of Subducted Serpentinites Through the Lizardite‐Antigorite Transition
Seismic Velocities of Subducted Serpentinites Through the Lizardite‐Antigorite Transition Open
The mineralogical transition (lizardite to antigorite) occurring in serpentinites dragged down in subduction zones depends on the metamorphic pressure and temperature conditions. The seismic Vp/Vs ratio is useful for distinguishing serpent…
View article: Continuous Real‐Time Detection of H<sub>2</sub>, He, and <sup>222</sup>Rn While Drilling DIVE‐1 Boreholes (ICDP) Indicates Deep Fracture Fluid Migration in Crystalline Rocks
Continuous Real‐Time Detection of H<sub>2</sub>, He, and <sup>222</sup>Rn While Drilling DIVE‐1 Boreholes (ICDP) Indicates Deep Fracture Fluid Migration in Crystalline Rocks Open
The identification and real‐time monitoring of geofluids during drilling is crucial for safe drilling operations and can provide valuable insights into reservoir properties and fluid migration. While mud gas logging is well established in …
View article: Hydraulic structure of the Tohoku plate boundary fault zone: insights and evidence from direct drilling (IODP expedition 405)
Hydraulic structure of the Tohoku plate boundary fault zone: insights and evidence from direct drilling (IODP expedition 405) Open
In 2011, the Tohoku subduction zone endured a Mw 9.0 large earthquake and a large tsunami with co-seismic displacement exceeding 40 meters at the trench. Such an unexpected tsunami earthquake is expected to have created intense damage acro…
View article: Co-seismic damage of the Nojima fault one year after the 1995 Nanbu-Kobe earthquake
Co-seismic damage of the Nojima fault one year after the 1995 Nanbu-Kobe earthquake Open
After the devastating Mw 7.3 Nanbu-Kobe earthquake of 1995, a 750 m deep borehole was drilled by the Geological Survey of Japan to intersect the Nojima fault at depth. The Hirabayashi borehole intersected the fault core at 625 m in 1996, l…
View article: The effect of pressure drop and fluid expansion during rock fracturing by dynamic unloading
The effect of pressure drop and fluid expansion during rock fracturing by dynamic unloading Open
The propagation of earthquake fault ruptures in the crust involve the generation of unloading stress pulses sufficiently large to induce dynamic failure of water-saturated rocks under tensional stresses and hydrofracturing. Similar process…
View article: Seismic properties of serpentinites under increasing pressure and temperature conditions
Seismic properties of serpentinites under increasing pressure and temperature conditions Open
Serpentinites result from the hydration of ultramafic rocks (e.g., peridotite and pyroxenite) that transform primary mineralogical assemblages (olivine-pyroxene) into different serpentine species (lizardite-chrysotile-antigorite) depending…
View article: The power-law distribution of the rock pore structure: inversion and analysis of laboratory velocity-pressure data
The power-law distribution of the rock pore structure: inversion and analysis of laboratory velocity-pressure data Open
Linking the pore structure distributions and velocity-pressure relationship is important for understanding geological processes and in situ stress conditions. During the pressure loading, the pressure-velocity relationship is controlled by…
View article: Direct assessment of the hydraulic structure of the plate boundary at the toe of the Nankai accretionary prism
Direct assessment of the hydraulic structure of the plate boundary at the toe of the Nankai accretionary prism Open
SUMMARY The Nankai Trough is a locus of slow slip, low-frequency earthquakes, and large magnitude (Mw > 8) earthquakes. It is usually assumed that high pore pressure contributes substantially to earthquake dynamics. Hence, a thorough un…
View article: Dynamic damage in dry and wet rocks monitored by ultra-fast synchrotron imaging
Dynamic damage in dry and wet rocks monitored by ultra-fast synchrotron imaging Open
During earthquake propagation, a shock wave damages rocks at the rupture tip, creating numerous microfractures and altering the mechanical properties of fault zone rocks. This damage, which occurs dynamically at the millisecond time scale,…
View article: The heterogeneous near-surface velocity structure of carbonate-hosted seismogenic fault zones investigated at different length scales: from ultrasonic measurements to subsurface seismic tomography
The heterogeneous near-surface velocity structure of carbonate-hosted seismogenic fault zones investigated at different length scales: from ultrasonic measurements to subsurface seismic tomography Open
Field geological studies have revealed the heterogeneous structure of fault zones down to the sub-metric scale due to the juxtaposition of rocks presenting distinct deformation intensity and physical-transport properties. However, such int…
View article: Effective Porosity Profile at IODP Site C0002 in the Heart of the Nankai Accretionary Prism, and Its Use for Predicting In Situ Seismic Velocities
Effective Porosity Profile at IODP Site C0002 in the Heart of the Nankai Accretionary Prism, and Its Use for Predicting In Situ Seismic Velocities Open
Using logging data and samples collected by the four expeditions of the International Ocean Discovery Program NanTroSEIZE drilling campaign that occupied Site C0002 in the Nankai margin located southwest of Japan, we determined effective p…
View article: Comparison between GEANT4 and MCNP for well logging applications
Comparison between GEANT4 and MCNP for well logging applications Open
MCNP and GEANT4 are two reference Monte Carlo nuclear simulators, MCNP being the standard in the Oil & Gas nuclear logging industry. While performing a simulation benchmark of these two software for the purpose of “Cased Hole” wellbore eva…
View article: IODP Expedition -358, Site C0024 - LWD Data
IODP Expedition -358, Site C0024 - LWD Data Open
Drilling and Logging data acquired during drilling (Logging-While-Drilling, LWD) of the IODP expedition 358 site C0024.
View article: IODP Expedition -358, Site C0024 - LWD Data
IODP Expedition -358, Site C0024 - LWD Data Open
Drilling and Logging data acquired during drilling (Logging-While-Drilling, LWD) of the IODP expedition 358 site C0024.
View article: Comment on se-2021-150
Comment on se-2021-150 Open
Abstract. X-ray computed tomography (XCT) is an advanced imaging technique that has been increasingly used in the past years because it can provide valuable information on internal structures of a rock sample in a non-invasive manner. The …
View article: Direct evidence of high pore pressure at the toe of the Nankai accretionary prism
Direct evidence of high pore pressure at the toe of the Nankai accretionary prism Open
<p>The Nankai Trough is a locus of slow slip, low frequency earthquakes and M<sub>w</sub>>8 classical earthquakes. It is assumed that high pore pressure contributes substantially to earthquake dynamics. Hence, a full u…
View article: Assessing damage pattern at depth near the Alpine Fault, New Zealand
Assessing damage pattern at depth near the Alpine Fault, New Zealand Open
<p>&#160;</p><p>The Alpine Fault is the principal component of the plate boundary through the South Island of New Zealand, separating the Pacific and Indo-Australian Plates. It is recognised internationally as an impo…
View article: Hydrogeological Properties at the Toe of the Nankai Accretionary Prism, using Borehole Geophysical and Petrophysical Data within Hole C0024A, Expedition 358 of IODP–NanTroSEIZE Project.
Hydrogeological Properties at the Toe of the Nankai Accretionary Prism, using Borehole Geophysical and Petrophysical Data within Hole C0024A, Expedition 358 of IODP–NanTroSEIZE Project. Open
Earth and Space Science Open Archive PosterOpen AccessYou are viewing the latest version by default [v1]Hydrogeological Properties at the Toe of the Nankai Accretionary Prism, using Borehole Geophysical and Petrophysical Data within Hole C…
View article: Direct evidence of high pore pressure at the toe of the Nankai accretionary prism
Direct evidence of high pore pressure at the toe of the Nankai accretionary prism Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Geophysical Research - Solid Earth. ESSOAr is a venue for early communication or feedback before peer review. Data may be pre…
View article: The estimation of porosity in Japan Trench plate boundary using low-resolution X-ray computed tomography (XCT) images and laboratory measurements
The estimation of porosity in Japan Trench plate boundary using low-resolution X-ray computed tomography (XCT) images and laboratory measurements Open
X-ray computed tomography (XCT) is an advanced imaging technique that has been increasingly used in the past years because it can provide valuable information on internal structures of a rock sample in a non-invasive manner. The maximum re…
View article: Multi‐scale and multi‐parametric analysis of Late Quaternary event deposits within the active Corinth Rift (Greece)
Multi‐scale and multi‐parametric analysis of Late Quaternary event deposits within the active Corinth Rift (Greece) Open
A major challenge in subaqueous palaeoseismology is to understand the relationship between an earthquake/tsunami and a sedimentary event deposit recorded in drillcores. Expedition 381 of the International Ocean Discovery Program was dedica…
View article: Understanding and Anticipating Induced Seismicity
Understanding and Anticipating Induced Seismicity Open
A new special collection in JGR: Solid Earth and Earth and Space Science seeks papers from across disciplines that provide insights into induced seismicity at different spatial and temporal scales.