Joel E. Johnson
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View article: Expedition UT-GOM2-2 Summary
Expedition UT-GOM2-2 Summary Open
View article: Expedition UT-GOM2-2 Site H
Expedition UT-GOM2-2 Site H Open
View article: Bathyal molluscs from Upper Pleistocene methane seeps in Krishna-Godavari Basin, offshore eastern India
Bathyal molluscs from Upper Pleistocene methane seeps in Krishna-Godavari Basin, offshore eastern India Open
Compared to other ocean basins there are few reported Recent methane seep communities from the Indian Ocean, with records from offshore Indonesia and Pakistan, and, more recently the east coast of India, in the Krishna-Godavari and Mannar …
View article: Tracking diagenetic alteration of magnetic susceptibility in thrust ridge and slope basin sediments of the Cascadia margin (ODP Sites 1249 and 1252; IODP Site U1325)
Tracking diagenetic alteration of magnetic susceptibility in thrust ridge and slope basin sediments of the Cascadia margin (ODP Sites 1249 and 1252; IODP Site U1325) Open
View article: UT-GOM2-2 Preliminary Report Terrebonne Basin Northern Gulf of Mexico
UT-GOM2-2 Preliminary Report Terrebonne Basin Northern Gulf of Mexico Open
In the summer and fall of 2023, the Gulf of Mexico Deepwater Hydrate Coring Expedition (UT-GOM2-2) drilled, cored, made downhole measurements, and analyzed samples from the seafloor to the base of the gas hydrate stability zone in one loca…
View article: Japan Trench event stratigraphy: First results from IODP giant piston coring in a deep-sea trench to advance subduction zone paleoseismology
Japan Trench event stratigraphy: First results from IODP giant piston coring in a deep-sea trench to advance subduction zone paleoseismology Open
International audience
View article: Comparative single-cell genomics of Atribacterota JS1 in the Japan Trench hadal sedimentary biosphere
Comparative single-cell genomics of Atribacterota JS1 in the Japan Trench hadal sedimentary biosphere Open
Deep-sea and subseafloor sedimentary environments host heterotrophic microbial communities that contribute to Earth’s carbon cycling. However, the potential metabolic functions of individual microorganisms and their biogeographical distrib…
View article: Sites M0081 and M0082 (Basin S1)
Sites M0081 and M0082 (Basin S1) Open
View article: Site M0091 (Basin S3)
Site M0091 (Basin S3) Open
View article: Site M0086 (Basin N1)
Site M0086 (Basin N1) Open
View article: Expedition 386 methods
Expedition 386 methods Open
View article: Site M0090 (Basin C1)
Site M0090 (Basin C1) Open
View article: Sites M0083 and M0089 (Basin C2)
Sites M0083 and M0089 (Basin C2) Open
View article: Sites M0084 and M0085 (Basin N3)
Sites M0084 and M0085 (Basin N3) Open
3. Generate results for comparison with those from all other Expedition 386 sites to explore spatiotemporal distribution of event deposits and the southern extent of sediment transport routed through the Ogawara submarine canyon to eventua…
View article: Sites M0092 and M0095 (Basin S2)
Sites M0092 and M0095 (Basin S2) Open
View article: Site M0094 (Basin C/N2)
Site M0094 (Basin C/N2) Open
All depth and thickness estimates in this section are approximate and assume a seismic velocity of 1500 m/s. BathymetryHoles M0094A and M0094B lie in the deepest part of the basin at 7469 m.The acquired bathymetry data do not capture the e…
View article: Site M0088 (Basin N2)
Site M0088 (Basin N2) Open
View article: Site M0087 (Basin C/N3)
Site M0087 (Basin C/N3) Open
View article: Site M0093 (Basin C/N1)
Site M0093 (Basin C/N1) Open
View article: Earthquake-enhanced dissolved carbon cycles in ultra-deep ocean sediments
Earthquake-enhanced dissolved carbon cycles in ultra-deep ocean sediments Open
Hadal trenches are unique geological and ecological systems located along subduction zones. Earthquake-triggered turbidites act as efficient transport pathways of organic carbon (OC), yet remineralization and transformation of OC in these …
View article: CAGE14-5 Cruise Report: Fram Strait – NW Svalbard
CAGE14-5 Cruise Report: Fram Strait – NW Svalbard Open
CAGE 14-5 cruise allowed to study the gas release from gas hydrated sub-seabed environments at the continental margin off NW and N-Svalbard and the transport and distribution of methane within the water column. We carried out acoustic prof…
View article: Organic matter and methane dynamics in the Japan Trench sediments
Organic matter and methane dynamics in the Japan Trench sediments Open
View article: Source Data.xlsx
Source Data.xlsx Open
This is the source data file of the Nature Communications manuscript 'Earthquake-enhanced dissolved carbon cycles in ultra-deep ocean sediments'.
View article: X-ray diffraction (XRD) measurement of bulk and clay mineral composition at India National Gas Hydrate Program 01 (NGHP-01) Sites on the Indian continental margin (Krishna-Godavari Basin, Kerala-Konkan Basin, Mahanadi Basin, Andaman Sea)
X-ray diffraction (XRD) measurement of bulk and clay mineral composition at India National Gas Hydrate Program 01 (NGHP-01) Sites on the Indian continental margin (Krishna-Godavari Basin, Kerala-Konkan Basin, Mahanadi Basin, Andaman Sea) Open
This dataset contains bulk and clay mineral relative abundances measured by X-ray diffraction (XRD) measured at 12 offshore sites drilled and cored during the Indian National Gas Hydrate Program 01 (NGHP-01) in 2006 by the JOIDES Resolutio…
View article: X-ray diffraction (XRD) measurement of bulk and clay mineral composition at India National Gas Hydrate Program 01 (NGHP-01) Sites on the Indian continental margin (Krishna-Godavari Basin, Kerala-Konkan Basin, Mahanadi Basin, Andaman Sea)
X-ray diffraction (XRD) measurement of bulk and clay mineral composition at India National Gas Hydrate Program 01 (NGHP-01) Sites on the Indian continental margin (Krishna-Godavari Basin, Kerala-Konkan Basin, Mahanadi Basin, Andaman Sea) Open
This dataset contains bulk and clay mineral relative abundances measured by X-ray diffraction (XRD) measured at 12 offshore sites drilled and cored during the Indian National Gas Hydrate Program 01 (NGHP-01) in 2006 by the JOIDES Resolutio…
View article: NGHP-01 Site 19 (Mahanadi Basin, Bay of Bengal) multi-proxy paleoenvironmental record since 110 ka
NGHP-01 Site 19 (Mahanadi Basin, Bay of Bengal) multi-proxy paleoenvironmental record since 110 ka Open
In this dataset we include carbon and nitrogen elemental and isotopic (TOC, TN, CaCO3, d13C-TOC, d15N-TN), biogenic silica, X-ray fluorescence (XRF), grain size, physical property core logs, benthic foraminifer O and C isotopes, planktic f…
View article: NGHP-01 Site 19 (Mahanadi Basin, Bay of Bengal) multi-proxy paleoenvironmental record since 110 ka
NGHP-01 Site 19 (Mahanadi Basin, Bay of Bengal) multi-proxy paleoenvironmental record since 110 ka Open
In this dataset we include carbon and nitrogen elemental and isotopic (TOC, TN, CaCO3, d13C-TOC, d15N-TN), biogenic silica, X-ray fluorescence (XRF), grain size, physical property core logs, benthic foraminifer O and C isotopes, planktic f…
View article: ODP Site 1249, ODP Site 1252, and IODP Site U1325: X-ray fluoresence core scanning, laser diffraction grain size, CNS elemental/isotopic, environmental magnetism, and age model data
ODP Site 1249, ODP Site 1252, and IODP Site U1325: X-ray fluoresence core scanning, laser diffraction grain size, CNS elemental/isotopic, environmental magnetism, and age model data Open
We present data used as part of an integrative early diagenesis study (submitted September 2022 to Marine Geology) focused on identifying zones of magnetite dissolution and pyrite precipitation in which magnetic susceptibility records are …
View article: ODP Site 1249, ODP Site 1252, and IODP Site U1325: X-ray fluoresence core scanning, laser diffraction grain size, CNS elemental/isotopic, environmental magnetism, and age model data
ODP Site 1249, ODP Site 1252, and IODP Site U1325: X-ray fluoresence core scanning, laser diffraction grain size, CNS elemental/isotopic, environmental magnetism, and age model data Open
We present data used as part of an integrative early diagenesis study (submitted September 2022 to Marine Geology) focused on identifying zones of magnetite dissolution and pyrite precipitation in which magnetic susceptibility records are …
View article: Primary deposition and early diagenetic effects on the high saturation accumulation of gas hydrate in a silt dominated reservoir in the Gulf of Mexico
Primary deposition and early diagenetic effects on the high saturation accumulation of gas hydrate in a silt dominated reservoir in the Gulf of Mexico Open