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Target alkane and aromatic concentrations for sediment samples collected in southeastern Louisiana inland and coastal marshes from 2015-02-07 to 2018-06-27Coastal Waters Consortium III (CWC III)
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Suggested Citation:
Overton, Edward. 2019. Target alkane and aromatic concentrations for sediment samples collected in southeastern Louisiana inland and coastal marshes from 2015-02-07 to 2018-06-27. Distributed by: Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC), Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/n7-tph2-3e25
Abstract:
This dataset reports gas chromatography/mass spectrometry (GC/MS) analytical results of sediment samples collected by Coastal Waters Consortium (CWC) researchers in southeastern Louisiana inland and coastal marshes 2015-02-07 to 2018-06-27. It contains a master file containing all sediment sample collection information and total target alkane and aromatic concentrations for each sample and seven excel files (organized by Principal Investigator) that provide individual concentrations of target alkane and aromatic analytes for all sediment samples listed in the master file.
Purpose:
In support of the Coastal Waters Consortium's effort to assess the chemical evolution, biological degradation, and environmental stresses of petroleum and dispersant within Gulf of Mexico coastal and shelf ecosystems.
Theme Keywords:
gas chromatography, mass spectrometry, aromatics, alkanes, surface sediments, coastal marshes
File Format:
xlsx
Filename:
R6.x808.000-0042_2015-2018_sub2.zip (1.71 MB)
Dataset Downloads:
3
Target alkane and aromatic concentrations for sediment samples collected in southeastern Louisiana inland and coastal marshes from 2015-02-07 to 2018-06-27
Identification Information
Distribution Information
Metadata Maintenance Information
Metadata:
File identifier:
R6.x808.000-0042-metadata.xml
Language:
eng; USA
Character set:
Character set code:
utf8
Hierarchy level:
Scope code:
dataset
Metadata author:
Responsible party:
Individual name:
Jason Weick
Organisation name:
Louisiana Universities Marine Consortium (LUMCON) / Data Management
Position name:
IT Manager
Contact info:
Contact:
Phone:
Telephone:
Voice:
9858512827
Facsimile:
Address:
Address:
Delivery point:
8124 Highway 56
City:
Chauvin
Administrative area:
Louisiana
Postal code:
70344
Country:
USA
Electronic mail address:
jweick@lumcon.edu
Role:
Role code:
pointOfContact
Date stamp:
2019-07-09T21:15:57+00:00
Metadata standard name:
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
Metadata standard version:
ISO 19115-2:2009(E)
Dataset URI:
https://data.gulfresearchinitiative.org/metadata/R6.x808.000:0042
Return To Index
Identification info:
Data identification:
Citation:
Citation:
Title:
Target alkane and aromatic concentrations for sediment samples collected in southeastern Louisiana inland
and coastal marshes from 2015-02-07 to 2018-06-27
Alternate title:
Date:
Date:
Date:
2019-07-09
Date type:
Date type code:
publication
Identifier:
Identifier:
Code:
Anchor: xlink: https://dx.doi.org/10.7266/n7-tph2-3e25 title: DOI
doi:10.7266/n7-tph2-3e25
Abstract:
This dataset reports gas chromatography/mass spectrometry (GC/MS) analytical results of sediment samples
collected by Coastal Waters Consortium (CWC) researchers in southeastern Louisiana inland and coastal
marshes 2015-02-07 to 2018-06-27. It contains a master file containing all sediment sample collection
information and total target alkane and aromatic concentrations for each sample and seven excel files
(organized by Principal Investigator) that provide individual concentrations of target alkane and aromatic
analytes for all sediment samples listed in the master file.
Purpose:
In support of the Coastal Waters Consortium's effort to assess the chemical evolution, biological degradation,
and environmental stresses of petroleum and dispersant within Gulf of Mexico coastal and shelf ecosystems.
Status:
Progress code:
completed
Point of contact:
Responsible party:
Individual name:
Edward Overton
Organisation name:
Louisiana State University / Department of Environmental Sciences
Position name:
Emeritus Professor
Contact info:
Contact:
Phone:
Telephone:
Voice:
2255788634
Facsimile:
Address:
Address:
Delivery point:
School of the Coast and Environment
1271 Energy, Coast and Environment Building
City:
Baton Rouge
Administrative area:
Louisiana
Postal code:
70803
Country:
USA
Electronic mail address:
ebovert@lsu.edu
Role:
Role code:
principalInvestigator
Descriptive keywords:
Keywords:
Keyword:
gas chromatography
Keyword:
mass spectrometry
Keyword:
aromatics
Keyword:
alkanes
Keyword:
surface sediments
Keyword:
coastal marshes
Type:
Keyword type code:
theme
Descriptive keywords:
Keywords:
Keyword:
Louisiana
Keyword:
Gulf of Mexico
Type:
Keyword type code:
place
Resource constraints: title: Cite As
Constraints:
Use limitation:
Overton, Edward. 2019. Target alkane and aromatic concentrations for sediment samples collected in
southeastern Louisiana inland and coastal marshes from 2015-02-07 to 2018-06-27. Distributed by: Gulf of
Mexico Research Initiative Information and Data Cooperative (GRIIDC), Harte Research Institute, Texas
A&M University–Corpus Christi. doi:10.7266/n7-tph2-3e25
Resource constraints: title: CC0 License
Legal constraints:
Use constraints:
Restriction code:
licenceUnrestricted
Other constraints:
This information is released under the Creative Commons license - No Rights Reserved - CC0 1.0 Universal
(https://creativecommons.org/publicdomain/zero/1.0/). The person who associated a work with this deed
has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide
under copyright law, including all related and neighboring rights, to the extent allowed by law. You can
copy, modify, distribute and perform the work, even for commercial purposes, all without asking
permission.
Resource constraints: title: Liability and Warranty
Legal constraints:
Other constraints:
All materials on this website are made available to GRIIDC and in turn to you "as-is." Content may only be
submitted by an individual who represents and warrants that s/he has sufficient rights to be able to
make the content available under a CC0 waiver. There is no warranty (expressed or implied) to these
materials, their title, accuracy, non-infringement of third party rights, or fitness for any particular
purpose, including the performance or results you may obtain from their use. Use these materials at your
own risk. Under no circumstances shall GRIIDC be liable for any direct, incidental, special,
consequential, indirect, or punitive damages that result from the use or the inability to use either
this website or the materials available via this website. If you are dissatisfied with any website
feature, content, or terms of use, your sole and exclusive remedy is to discontinue use.
Aggregation Info:
AggregateInformation:
Aggregate Data Set Name: title: Related Publication Citation
Citation:
Title:
Turner, R. E., Rabalais, N. N., Overton, E. B., Meyer, B. M., McClenachan, G., Swenson, E. M., …
Zingre, J. (2019). Oiling of the continental shelf and coastal marshes over eight years after the
2010 Deepwater Horizon oil spill. Environmental Pollution, 252, 1367–1376.
doi:10.1016/j.envpol.2019.05.134
Date:
inapplicable
Aggregate Data Set Identifier: title: Related Publication DOI
Identifier:
Code:
Anchor: xlink: https://dx.doi.org/10.1016/j.envpol.2019.05.134 title: DOI
doi:10.1016/j.envpol.2019.05.134
Association Type:
Association type code:
crossReference
Language:
eng; USA
Topic category:
Topic category code:
environment
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gml:pos:
29.45115 -89.753937
gml:pointMember:
Point:
gml:pos:
29.45525 -89.751964
gml:pointMember:
Point:
gml:pos:
29.46 -89.752824
Temporal element:
Temporal extent:
Extent:
Time period:
Description:
ground condition
Begin date:
2015-02-07
End date:
2018-06-27
Supplemental Information:
File: R6.x808.000-0042_Master_Sediment_2015-2018_sub1.xlsx: LSU/RCAT ID# (Internal sample identifier assigned
by the analytical lab), Date Sample Collected (MM/DD/YYYY), Date Sample Received in Analytical Lab
(MM/DD/YYYY), Date Sample Extracted by Analytical Lab (MM/DD/YYYY), Date Sample Analyzed (MM/DD/YYYY),
Extraction Method: (Extraction method used on the sample; “Wet, PSE”), Latitude (decimal degrees), Longitude
(decimal degrees), Total Alkanes (µg/L), Total Aromatics (ng/L), Macondo Biomarker Pattern: (A, B, AB are
all indicative of relatively fresh to weathered MC252 oil; If field is blank, no biomarker pattern was
detected), Principal Investigator (CWC Principal Investigator by which or for which the sample was
collected), Sample Description (user-defined descriptor for sample), Sample Collection Depth (cm; Target
depth for sediment sample collection for oil analysis), Concentration Workbook Filename (file with
individual targeted alkane and aromatic analyte concentration data). N/A in any cell of the worksheet
indicates the information was not available or not applicable. Samples with two extraction dates indicate
samples that sat too long in the refrigerator prior to extraction, becoming contaminated. These samples were
re-extracted on second indicated date and re-analyzed.
Folder R6.x808.000-0042_Concentration_Workbooks_Sediment_2015-2018: contains seven excel files that provide
individual targeted alkane and aromatic analyte concentrations for all sediment samples listed in
R6.x808.000-0042_Master_Sediment_2015-2018_sub1.xlsx. Data is organized by CWC Principal Investigator.
Within each file, samples are grouped by LSU/RCAT ID# on different worksheets according to run batches (in
other words, sequentially numbered batches of samples are on one worksheet tab). Format and Data Parameters
and Units are the same for all files: LSU/RCAT ID# (Internal sample identifier assigned by the analytical
lab), Field ID# (user-defined descriptor for sample), Initial Sediment Wt (mg; weight of sample extracted),
Final Extract Volume (µl; volume of extracted sample after concentration), Percent Moisture (%; Percentage
of water in each sediment sample), Surrogate Corrected values for 28 alkane analytes (ug/g; Alkane
concentrations, including two isoprenoids, after applying surrogate recovery or extraction efficiency
value), Surrogate Corrected values for 43 aromatic analytes (ng/g; Aromatic concentrations for parent
aromatic compounds and alkyl homologs after applying surrogate recovery or extraction efficiency value, C30
17α,21β-Hopane (ng/g; the concentration of C30 17α,21β-Hopane (if present) in the sample, providing the
option of hopane normalization of data). Elemental Sulphur Interference: Interference from elemental sulfur
is reported in some of the raw data (highlighted in blue-colored cells). It is visually evident in the
chromatograms and affects the integration of some analytes (mainly C-2 fluorenes, C-3 DBTs, and C-1
phenanthrenes) and in most cases, the interference prevents the integration of those compounds, so they are
often 0.000. Other chromatographic interference: Chromatographic interference occurred in a few samples and
is reported in the raw data (highlighted in brown-colored cells). Unlike the elemental sulfur interference,
a source for this interference could not be identified.|GC/MS-SIM Sediment extraction (modified EPA SW-846
method 3545A): Wet, PSE=approximately 10 grams of sample was centrifuged to remove excess water that was
decanted and centrifuged sample was extracted by pressurized solvent extraction (SW-846 3545A) Qualitative
oil source-fingerprinting (ASTM D5739-00).|Pressurized solvent extractor GC/MS.|Surface samples were
collected at approximately 5cm depth. Core samples were collected at the depths indicated in the Sample
Collection Depth (cm) field in the dataset R6.x808.000-0042_Master_Sediment_2015-2018_sub1.xlsx.|The Overton
lab provided sample collection and storage guidelines to all coPI's. Data quality could be affected if these
guidelines were not followed. Quality control samples were analyzed with each analytical sample sequence.
These QC samples had to be within ±20% of the original calibration values. Extraction efficiency was
evaluated based on the percent recovery of the surrogate standard added to each sample prior to extraction.
The acceptable recovery range was 70-120%. Method blanks were also extracted and quantitated every 12
samples. Any alkanes and aromatics detected in the method blanks were surrogate corrected, averaged if
multiple blanks were prepared for each sample batch, and subtracted out of the surrogate corrected
concentrations of alkanes and aromatics in each sediment sample. At least one laboratory duplicate was
prepared and extracted for each sediment sample batch.|
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Distribution info:
Distribution:
Distributor:
Distributor:
Distributor contact:
Responsible party:
Organisation name:
Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC)
Contact info:
Contact:
Phone:
Telephone:
Voice:
3618253604
Address:
Address:
Delivery point:
6300 Ocean Drive
City:
Corpus Christi
Administrative area:
TX
Postal code:
78412
Country:
USA
Electronic mail address:
griidc@gomri.org
Online Resource:
Online Resource:
Linkage:
URL:
https://data.gulfresearchinitiative.org
Role:
Role code:
distributor
Distributor format:
Format:
Name:
xlsx
Version:
inapplicable
File decompression technique:
zip
Distributor transfer options:
Digital transfer options:
Transfer size:
1.7092
Online:
Online Resource:
Linkage:
URL:
https://data.gulfresearchinitiative.org/data/R6.x808.000:0042
Protocol:
https
Name:
Data Landing Page
Description:
GRIIDC dataset landing page
Function:
Online function code:
information
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Metadata maintenance:
Maintenance information:
Maintenance and update frequency:
unknown
Maintenance note:
This ISO metadata record was automatically generated from information provided to GRIIDC for dataset:
R6.x808.000:0042 on 2020-07-02T13:43:26-05:00
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