New age points of ODP Hole 177-1088B
Composite core images for Ocean Drilling Program (ODP) Hole 1088B were generated by cutting individual core sections from core table photos (downloaded from JANUS: http://www-odp.tamu.edu/database/). Each section image was then compiled and scaled to the shipboard meters composite depth (mcd) using...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.924459 2024-09-15T18:36:32+00:00 New age points of ODP Hole 177-1088B Tanner, Thomas Hernández-Almeida, Iván Drury, Anna Joy Guitián, José Stoll, Heather M LATITUDE: -41.136060 * LONGITUDE: 13.562830 * DATE/TIME START: 1997-12-17T09:45:00 * DATE/TIME END: 1997-12-17T23:15:00 * MINIMUM DEPTH, sediment/rock: 0.00 m * MAXIMUM DEPTH, sediment/rock: 206.89 m 2020 text/tab-separated-values, 84 data points https://doi.pangaea.de/10.1594/PANGAEA.924459 https://doi.org/10.1594/PANGAEA.924459 en eng PANGAEA https://doi.org/10.1594/PANGAEA.924529 Tanner, Thomas; Hernández-Almeida, Iván; Drury, Anna Joy; Guitián, José; Stoll, Heather M (in review): Decreasing atmospheric CO2 during the Late Miocene Cooling. https://doi.pangaea.de/10.1594/PANGAEA.924459 https://doi.org/10.1594/PANGAEA.924459 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess 177-1088B AGE Age model DEPTH sediment/rock DRILL Drilling/drill rig Joides Resolution Leg177 Ocean Drilling Program ODP ODP Site 1088B South Atlantic Ocean Tie point Tie point type dataset 2020 ftpangaea https://doi.org/10.1594/PANGAEA.92445910.1594/PANGAEA.924529 2024-07-24T02:31:42Z Composite core images for Ocean Drilling Program (ODP) Hole 1088B were generated by cutting individual core sections from core table photos (downloaded from JANUS: http://www-odp.tamu.edu/database/). Each section image was then compiled and scaled to the shipboard meters composite depth (mcd) using the Includes_Core_Table_Photos functions within Code for Ocean Drilling Data (CODD v1; www.codd-home.net; Wilkens et al. (2017)). To account for the single point lighting source used in core table photos, a lighting correction was also applied. As shipboard color reflectance data was not collected at Site 1088, core color information (hue, saturation, lightness, red, green, blue) was extracted every mm from the composite core images using the CODD “CreateHoleCoreImageProfiles” function. The extracted lightness (L) showed the clearest variability and was chosen to approximate Lstar data. The top 4 cm of each section was excluded from the L profile to remove a lighting artefact at section ends. To account for core heterogeneity, the L data was then despiked using the CODD “Median_DeSpike” function (despiked data over 2 s.d. from the median within a 400 point/0.4 m window) and then smoothed using an 11-point binomial smoothing. All extracted data is provided in supplementary table 1. The composite core images from Hole 1088B show clear evidence for core disturbance at the top of most cores (supplementary table 2). These intervals were excluded from the extracted lightness and shipboard magnetic susceptibility records. The shipboard magnetic susceptibility (MS) data was also despiked using the “Median_DeSpike” function (despiked data over 2 s.d. from the median within a 40 point/0.4 m window; supplementary tables 3). An astrochronology for Hole 1088B was generated between 4.2 and 7.9Ma (38-90 mcd), using 24 minimal tie points between L maxima and ~110 kyr eccentricity maxima (Ecc; Laskar et al. (2004). These additional age points are provided in supplementary table 4. Dataset South Atlantic Ocean PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(13.562830,13.562830,-41.136060,-41.136060) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
177-1088B AGE Age model DEPTH sediment/rock DRILL Drilling/drill rig Joides Resolution Leg177 Ocean Drilling Program ODP ODP Site 1088B South Atlantic Ocean Tie point Tie point type |
spellingShingle |
177-1088B AGE Age model DEPTH sediment/rock DRILL Drilling/drill rig Joides Resolution Leg177 Ocean Drilling Program ODP ODP Site 1088B South Atlantic Ocean Tie point Tie point type Tanner, Thomas Hernández-Almeida, Iván Drury, Anna Joy Guitián, José Stoll, Heather M New age points of ODP Hole 177-1088B |
topic_facet |
177-1088B AGE Age model DEPTH sediment/rock DRILL Drilling/drill rig Joides Resolution Leg177 Ocean Drilling Program ODP ODP Site 1088B South Atlantic Ocean Tie point Tie point type |
description |
Composite core images for Ocean Drilling Program (ODP) Hole 1088B were generated by cutting individual core sections from core table photos (downloaded from JANUS: http://www-odp.tamu.edu/database/). Each section image was then compiled and scaled to the shipboard meters composite depth (mcd) using the Includes_Core_Table_Photos functions within Code for Ocean Drilling Data (CODD v1; www.codd-home.net; Wilkens et al. (2017)). To account for the single point lighting source used in core table photos, a lighting correction was also applied. As shipboard color reflectance data was not collected at Site 1088, core color information (hue, saturation, lightness, red, green, blue) was extracted every mm from the composite core images using the CODD “CreateHoleCoreImageProfiles” function. The extracted lightness (L) showed the clearest variability and was chosen to approximate Lstar data. The top 4 cm of each section was excluded from the L profile to remove a lighting artefact at section ends. To account for core heterogeneity, the L data was then despiked using the CODD “Median_DeSpike” function (despiked data over 2 s.d. from the median within a 400 point/0.4 m window) and then smoothed using an 11-point binomial smoothing. All extracted data is provided in supplementary table 1. The composite core images from Hole 1088B show clear evidence for core disturbance at the top of most cores (supplementary table 2). These intervals were excluded from the extracted lightness and shipboard magnetic susceptibility records. The shipboard magnetic susceptibility (MS) data was also despiked using the “Median_DeSpike” function (despiked data over 2 s.d. from the median within a 40 point/0.4 m window; supplementary tables 3). An astrochronology for Hole 1088B was generated between 4.2 and 7.9Ma (38-90 mcd), using 24 minimal tie points between L maxima and ~110 kyr eccentricity maxima (Ecc; Laskar et al. (2004). These additional age points are provided in supplementary table 4. |
format |
Dataset |
author |
Tanner, Thomas Hernández-Almeida, Iván Drury, Anna Joy Guitián, José Stoll, Heather M |
author_facet |
Tanner, Thomas Hernández-Almeida, Iván Drury, Anna Joy Guitián, José Stoll, Heather M |
author_sort |
Tanner, Thomas |
title |
New age points of ODP Hole 177-1088B |
title_short |
New age points of ODP Hole 177-1088B |
title_full |
New age points of ODP Hole 177-1088B |
title_fullStr |
New age points of ODP Hole 177-1088B |
title_full_unstemmed |
New age points of ODP Hole 177-1088B |
title_sort |
new age points of odp hole 177-1088b |
publisher |
PANGAEA |
publishDate |
2020 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.924459 https://doi.org/10.1594/PANGAEA.924459 |
op_coverage |
LATITUDE: -41.136060 * LONGITUDE: 13.562830 * DATE/TIME START: 1997-12-17T09:45:00 * DATE/TIME END: 1997-12-17T23:15:00 * MINIMUM DEPTH, sediment/rock: 0.00 m * MAXIMUM DEPTH, sediment/rock: 206.89 m |
long_lat |
ENVELOPE(13.562830,13.562830,-41.136060,-41.136060) |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_relation |
https://doi.org/10.1594/PANGAEA.924529 Tanner, Thomas; Hernández-Almeida, Iván; Drury, Anna Joy; Guitián, José; Stoll, Heather M (in review): Decreasing atmospheric CO2 during the Late Miocene Cooling. https://doi.pangaea.de/10.1594/PANGAEA.924459 https://doi.org/10.1594/PANGAEA.924459 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.92445910.1594/PANGAEA.924529 |
_version_ |
1810480200003092480 |