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Color data (RGB) of IODP Hole 386-M0084E
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Color data (RGB) of IODP Hole 386-M0085C
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Color data (RGB) of IODP Hole 386-M0088A
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Color data (RGB) of IODP Hole 386-M0090D
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Color data (RGB) of IODP Hole 386-M0092B
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Color data (RGB) of IODP Hole 386-M0095B
No full textColor data obtained from split core sections from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology) during the onshore phase. The onshore phase of expedition 386 took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, high-resolution (100 pixels/cm) images of archive half was captured using the Tri-Sensor Core Logger (TSCL; NS Design). The camera provides a 16-bit red-green-blue (RGB) color (48-bit) TIFF file from which the RGB data were derived in 1 mm down-core resolution. For each section: 1) the TIFF file (from line scanning) full resolution was opened and channels scaled to 0-255; 2) TIFF file cut at top (2475 px) and bottom (2470 px + length of the section x resolution); 3) for every line of pixel down section, R, G, B values were averaged over a width of 450 px across the centre of the section (\~4.5 cm width) and data placed into a table compiling all sections of a hole; 4) for every depth interval, where a piece of sponge was observed on the linescan, R, G, B data were deleted; 5) R, G, B data were also deleted to the top and bottom ~1 cm of each section, to account for possible gaps or pieces of liner.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Methane concentrations in headspace gas prepared from shallow sediment core GeoB22051-1 collected with a multicorer off South Georgia, Southern Ocean, R/V METEOR cruise M134/1
No full textShallow sediment cores were collected with a MultiCorer at locations on the shelf and slope of South Georgia during cruise M134/1 with R/V METEOR in 2017. In order to determine distributions of methane and characterize biogeochemical zonations in the sediment, 3 mL of the sediment was removed from the cores at defined depths using cut-off syringes and transferred to 20 mL glass vials filled with 5 ml NaOH solution to generate a 12 mL headspace gas volume. The headspace gas samples were analyzed for their methane concentrations by use of a gas chromatograph equipped with a capillary column and a flame ionization detector
Color Reflectance (Spectrophotometer) of IODP Hole 386-M0082B
No full textColor reflectance spectrophotometry and colorimetry data from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology). The data where obtained during the onshore phase of expedition 386 which took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. After longitudinal splitting of the core sections, each archive half was scanned by the Tri-Sensor Core Logger (TSCL; NS Design) including a noncontact imaging spectrophotometer (MetaVue VS3200; X-Rite), recording data at 2-cm sampling interval. The obtained data is represented in the L*a*b* color coordinate system, where L* is a total reflectance index ranging 0%–100%, a* is green (0) chromaticity, and b* is blue (0) chromaticity. L*a*b* values were transferred into RGB values using the MATLAB routine lab2rgb.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.202
Trace elements (As, Co, Cu, Mo, Ni, U) at DSDP Site 178 basement basalts
No full textThis dataset compiles XRF trace metal data from sediments from IODP Site U1417 (doi:10.1594/PANGAEA.975191) and basement material from DSDP Site 178 (this dataset; ~1.5 km spatial distance) in the Gulf of Alaska. IODP Data stem from IODP Expedition 341 (Joides Resolution), DSDP Data stem from Leg 18 (Glomar Challenger). The data were produced with wavelength-dispersive X-ray fluorescence (XRF; Panalytical Axios max, 3 kW). The area is characterized by fluid circulation at the sediment-basement interface caused by subduction-related plate bending. The circulating fluids install a reverse sulfate-methane transition zone (SMTZ) in the sediments with sulfate diffusing upwards from the bottom of the sediment succession. The accompanying publication investigates causes for unusual trace element enrichments at Site U1417 and especially in the deep SMTZ and the potential leaching and re-distribution of elements from the basaltic basement into the sediments by the deep aquifer