Brandon Dugan
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View article: Deglaciation drove seawater infiltration and slowed submarine groundwater discharge
Deglaciation drove seawater infiltration and slowed submarine groundwater discharge Open
Submarine groundwater discharge—the flow of groundwater into the ocean—plays an important role in shaping coastal biogeochemical cycles. The absence of temporal constraints on offshore groundwater dynamics driven by proximal glacial loadin…
View article: The FUTURE of the US Marine Seafloor and Subseafloor Sampling Capabilities
The FUTURE of the US Marine Seafloor and Subseafloor Sampling Capabilities Open
Recent changes in US oceanographic assets are impacting scientists' ability to access seafloor and sub‐seafloor materials and thus constraining progress on science critical for societal needs. Here we identify national infrastructure needs…
View article: Testing different scenarios of freshwater emplacement on the New England continental shelf using hydrologic modeling constrained by electromagnetic, isotopic, and salinity data
Testing different scenarios of freshwater emplacement on the New England continental shelf using hydrologic modeling constrained by electromagnetic, isotopic, and salinity data Open
Recent advances in marine electromagnetic surveys have allowed geophysicists to interpret and map offshore freshwater resources with unprecedented resolution and to test inferences regarding onshore-offshore hydrologic connections. To date…
View article: Comment on egusphere-2024-622
Comment on egusphere-2024-622 Open
Abstract. Subaqueous landslides present a hazard to communities through their ability to damage infrastructure and generate tsunamis. Efforts to assess tsunami risk often depend on observations from prior events, such as volume of sediment…
View article: Comment on egusphere-2024-622
Comment on egusphere-2024-622 Open
Abstract. Subaqueous landslides present a hazard to communities through their ability to damage infrastructure and generate tsunamis. Efforts to assess tsunami risk often depend on observations from prior events, such as volume of sediment…
View article: Improving Risk Assessment of Subaqueous Landslides and Tsunami Generation by Understanding the Roles of Pore Pressure and Sediment Cohesion
Improving Risk Assessment of Subaqueous Landslides and Tsunami Generation by Understanding the Roles of Pore Pressure and Sediment Cohesion Open
Subaqueous landslides present a hazard to communities through their ability to damage infrastructure and generate tsunamis. Efforts to assess tsunami risk often depend on observations from prior events, such as volume of sediment remobiliz…
View article: Slope stabilization through groundwater management with limited hydrogeological data: a case study from Majes, southern Peru
Slope stabilization through groundwater management with limited hydrogeological data: a case study from Majes, southern Peru Open
Water table rise near a cliff may trigger a landslide due to the associated increase pore pressure and decrease in frictional resistance. One main cause of water table rise is intense irrigation for agriculture in arid and semi-arid region…
View article: Wildfire Progression Time Series Mapping With Interferometric Synthetic Aperture Radar (InSAR)
Wildfire Progression Time Series Mapping With Interferometric Synthetic Aperture Radar (InSAR) Open
We describe a novel algorithm to accurately characterize burned area and generate a time series of active burned areal extent during an actively burning wildfire based upon changes in the second-order statistics of interferometric syntheti…
View article: Seismic and Hydrostratigraphic Characterization of the Onshore-Offshore Freshwater Systems of Martha's Vineyard and Nantucket, Massachusetts, USA: Field Survey Report
Seismic and Hydrostratigraphic Characterization of the Onshore-Offshore Freshwater Systems of Martha's Vineyard and Nantucket, Massachusetts, USA: Field Survey Report Open
This data archive includes three files: field project report, seisimic data (shot gathers) from Martha's Vineyard, and seismic data (shot gathers) from Nantucket. This work was supported by the National Science Foundation (NSF Award 205279…
View article: Seismic and Hydrostratigraphic Characterization of the Onshore-Offshore Freshwater Systems of Martha's Vineyard and Nantucket, Massachusetts, USA: Field Survey Report
Seismic and Hydrostratigraphic Characterization of the Onshore-Offshore Freshwater Systems of Martha's Vineyard and Nantucket, Massachusetts, USA: Field Survey Report Open
This data archive includes three files: field project report, seisimic data (shot gathers) from Martha's Vineyard, and seismic data (shot gathers) from Nantucket. This work was supported by the National Science Foundation (NSF Award 205279…
View article: Cohesion, permeability, and slope failure dynamics: Implications for failure morphology and tsunamigenesis from benchtop flume experiments
Cohesion, permeability, and slope failure dynamics: Implications for failure morphology and tsunamigenesis from benchtop flume experiments Open
Submarine slope failures pose hazards to coastal communities through their ability to damage seafloor infrastructure and generate tsunamis. Submarine slope failures occur along continental margins worldwide, yet our understanding of submar…
View article: How Clay Mineral Assemblages Affect Instability on the Upper Slope of the Hikurangi Subduction Zone, New Zealand
How Clay Mineral Assemblages Affect Instability on the Upper Slope of the Hikurangi Subduction Zone, New Zealand Open
The International Ocean Discovery Program cored Sites U1517 (Tuaheni landslide) and U1519 (Tuaheni Basin) on the Hikurangi slope, North Island, New Zealand. We employed X‐ray diffraction to document clay mineral assemblages within the mudd…
View article: Integrated geophysical investigation for understanding agriculturally induced landslides in southern Peru
Integrated geophysical investigation for understanding agriculturally induced landslides in southern Peru Open
We conducted near-surface geophysical surveys in and around the Majes I agricultural development (60 km west of Arequipa, Peru), where the nexus of geology and agriculture has increased landslide activity along the Majes–Siguas River Valle…
View article: IODP Expedition 362 Stratigraphic Correlation
IODP Expedition 362 Stratigraphic Correlation Open
Affine and splice files created for stratigraphic correlation.
View article: IODP Expedition 362 Stratigraphic Correlation
IODP Expedition 362 Stratigraphic Correlation Open
Affine and splice files created for stratigraphic correlation.
View article: Investigating the Basal Shear Zone of the Submarine Tuaheni Landslide Complex, New Zealand: A Core‐Log‐Seismic Integration Study
Investigating the Basal Shear Zone of the Submarine Tuaheni Landslide Complex, New Zealand: A Core‐Log‐Seismic Integration Study Open
Although submarine landslides have been studied for decades, a persistent challenge is the integration of diverse geoscientific datasets to characterize failure processes. We present a core‐log‐seismic integration study of the Tuaheni Land…
View article: IODP Expedition 362, Hole U1481A - Well Logging Data
IODP Expedition 362, Hole U1481A - 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 362, Hole U1481A - Well Logging Data
IODP Expedition 362, Hole U1481A - 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: Data report: clay mineral assemblages within and beneath the Tuaheni Landslide Complex, IODP Expedition 372A Site U1517, offshore New Zealand
Data report: clay mineral assemblages within and beneath the Tuaheni Landslide Complex, IODP Expedition 372A Site U1517, offshore New Zealand Open
The Tuaheni Landslide Complex is thought to have originated through multiple slip events offshore the Hawke's Bay region, North Island (New Zealand).Cores were obtained from within and beneath the interpreted landslide complex to a maximum…
View article: IODP Expedition 362, Hole U1480G - Well Logging Data
IODP Expedition 362, Hole U1480G - 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 362, Hole U1480G - Well Logging Data
IODP Expedition 362, Hole U1480G - 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 372, Hole U1518B - Well Logging Data
IODP Expedition 372, Hole U1518B - 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 372, Hole U1519A - Well Logging Data
IODP Expedition 372, Hole U1519A - 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 372, Hole U1517A - Well Logging Data
IODP Expedition 372, Hole U1517A - 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 372, Hole U1518B - Well Logging Data
IODP Expedition 372, Hole U1518B - 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 372, Hole U1520A - Well Logging Data
IODP Expedition 372, Hole U1520A - 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 372, Hole U1520B - Well Logging Data
IODP Expedition 372, Hole U1520B - 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 372, Hole U1518A - Well Logging Data
IODP Expedition 372, Hole U1518A - 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, …