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Marine Biology

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Sediment cores

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Hydrocarbon Concentration Data From Sediment Cores Collected Aboard R/V Justo Sierra Cruise Js-0815 In The Southern Gulf Of Mexico From 2015-07-31 To 2015-08-08, Isabel C. Romero Mar 2019

Hydrocarbon Concentration Data From Sediment Cores Collected Aboard R/V Justo Sierra Cruise Js-0815 In The Southern Gulf Of Mexico From 2015-07-31 To 2015-08-08, Isabel C. Romero

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This dataset consists of hydrocarbon measurements in sediment cores collected aboard R/V Justo Sierra cruise JS-0815 in the southern Gulf of Mexico from 2015-07-31 to 2015-08-08. The dataset contains the date, location and depth where the sediment cores were collected and the concentration of polycyclic aromatic hydrocarbon (PAHs) and biomarkers (hopanes, steranes, alkanes) analyzed at 5 mm intervals. The measurements were done following the method outlined in Romero et al., 2015 and using GC/MS/MS/MRM (gas chromatography with tandem mass spectrometry, operated in multiple reaction monitoring mode) on an Agilent 7680B gas chromatograph coupled with an Agilent 7010 triple quadrupole mass …


Short-Lived Radioisotope Geochronology From Sediment Cores Collected During R/V Weatherbird Ii Cruises In The Northern Gulf Of Mexico From 2010-11-18 To 2016-09-09, Gregg R. Brooks, Rebekka A. Larson Nov 2018

Short-Lived Radioisotope Geochronology From Sediment Cores Collected During R/V Weatherbird Ii Cruises In The Northern Gulf Of Mexico From 2010-11-18 To 2016-09-09, Gregg R. Brooks, Rebekka A. Larson

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Short-lived Radioisotope (SLRad) data were generated for selected core sub-samples at 2mm sampling intervals for “surficial unit” and 5mm sampling resolution intervals to base of cores. SLRad data generated include sample activity as disintegrations per minute per gram (dpm/g) of: 1) Excess 234Th (234Thxs) activity, which is calculated by measuring the total 234Th (234ThTot) activity and the subtraction of the measured or estimated “Supported” 234Th (234ThSup) activity, 2) Excess 210Pb (210Pbxs) activity, which is calculated by measuring the total 210Pb (210PbTot) activity and subtraction of the measured background 210Pb (210PbSup) activity (average of 214Pb at 295keV, 214Pb at 351keV, and …


Gulf-Wide Seafloor Surface Benthic Foraminifera Stable Isotopes From Sediment Cores Collected On Multiple Cruises From 2010-06-13 To 2017-07-19, Patrick Schwing, David J. Hollander Oct 2018

Gulf-Wide Seafloor Surface Benthic Foraminifera Stable Isotopes From Sediment Cores Collected On Multiple Cruises From 2010-06-13 To 2017-07-19, Patrick Schwing, David J. Hollander

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This dataset includes baseline stable carbon and oxygen isotope measurements from benthic foraminifera throughout the Gulf of Mexico. Stable isotope measurements were performed on Cibicidoides spp. The dataset contains the sediment core information such as location, date, and depth; and benthic foraminiferal stable carbon and oxygen isotopes. Sediment cores were collected on multiple cruises from 2010-06-13 to 2017-07-19.


Benthic Foraminiferal Assemblages From Sediment Cores Collected On Multiple Cruises In The Gulf Of Mexico From 2010-11-18 To 2017-05-22, Patrick Schwing, David J. Hollander Oct 2018

Benthic Foraminiferal Assemblages From Sediment Cores Collected On Multiple Cruises In The Gulf Of Mexico From 2010-11-18 To 2017-05-22, Patrick Schwing, David J. Hollander

C-IMAGE data

This dataset includes baseline assemblage measurements from benthic foraminifera throughout the Gulf of Mexico. The dataset is a compilation of seafloor surface benthic foraminifera assemblages from sediment cores collected on multiple cruises and field sampling in the Gulf of Mexico from 2010-11-18 to 2017-05-22. The dataset contains the Gulf-wide diversity indices and the full benthic taxonomic counts for two regions: Cuba and the southern Gulf of Mexico. The Gulf-wide file contains the total density and diversity calculations using Fisher’s Alpha and Shannon indices from the surface-most sub-sample from each core (typically 0-2 mm). The Gulf-wide spreadsheet is comprised of data …