GRAPE density of ODP Site 145-887

DOI

New composite GRAPE WBD profile from our new splice at ODP site 887. The composite depth scale for site 887 was created by visual correlation of the shipboard GRAPE WBD measurements between 887A and 887C cores 11H and 12H. 887C 11H-1 0–12 cm and 887C 12H-1 0-35 were not considered in the correlation exercise due to flow in and heavy core disturbance noted by the shipboard scientific party. In almost all cores, recovery was > 100%. To account for this in terms of depth, cores with > 100% recovery were compressed uniformly and fixed to the top drill log depth (depth mbsf) assigned to that core. Subsequent correlation of cores between holes A and C revealed apparent gaps in recovery. Cores were further uniformly compressed to account for the unrecovered sediments and a composite stratigraphic section was stitched together by switching between the two holes. On average, cores were compressed 10% and at most by 25% of their drilled depth (9.5 m). GRAPE WBD from 887A and 887C was then correlated to the composite section to generate tie points for each core to the composite section.

Identifier
DOI https://doi.org/10.1594/PANGAEA.967376
Related Identifier IsPartOf https://doi.org/10.1594/PANGAEA.967342
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.967376
Provenance
Creator Novak, Joseph B ORCID logo; Caballero-Gill, Rocio P; Rose, Rebecca; Herbert, Timothy D ORCID logo; Dowsett, Harry J ORCID logo
Publisher PANGAEA
Publication Year 2024
Funding Reference National Science Foundation https://doi.org/10.13039/100000001 Crossref Funder ID 1459280 https://www.nsf.gov/awardsearch/showAward?AWD_ID=1459280 A New View of Pliocene Glaciations; National Science Foundation https://doi.org/10.13039/100000001 Crossref Funder ID 1545859 https://www.nsf.gov/awardsearch/showAward?AWD_ID=1545859 PIRE: DUST stimulated drawn-down of atmospheric CO2 as a trigger for Northern Hemisphere Glaciation; National Science Foundation https://doi.org/10.13039/100000001 Crossref Funder ID 1602331 https://www.nsf.gov/awardsearch/showAward?AWD_ID=1602331 Collaborative Research: Did the SE Pacific Gyre become a Hot Spot for N2 Fixation during Dusty Glacial Conditions?
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 4281 data points
Discipline Earth System Research
Spatial Coverage (-148.446 LON, 54.366 LAT); North Pacific Ocean
Temporal Coverage Begin 1992-09-12T05:15:00Z
Temporal Coverage End 1992-09-13T17:00:00Z