http://lod.bco-dmo.org/id/dataset/844548
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2021-03-09
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Core data collected in the Brazos River Plume, TX during 2017-2018
2021-03-11
publication
2021-03-11
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-03-11
publication
https://doi.org/10.26008/1912/bco-dmo.844548.1
Timothy M. Dellapenna
Texas A&M, Galveston
principalInvestigator
James Churchill
Woods Hole Oceanographic Institution
principalInvestigator
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Dellapenna, T. M., Churchill, J., Wang, Z. A. (2021) Core data collected in the Brazos River Plume, TX during 2017-2018. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-03-11 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.844548.1 [access date]
Brazos Plume Core Data Dataset Description: <p>This dataset contains core data collected in the Brazos River Plume, TX during three cruises conducted in 2017 and 2018. Cores were analyzed for grain size and mercury content. The sample collection that took place on&nbsp;September&nbsp;10, 2017 was supported by NSF award&nbsp;OCE-1635893. Award&nbsp;OCE-1829221 supported the rest of the data collection.</p> Methods and Sampling: <p>Data were collected on three cruises on the&nbsp;Brazos River Plume in the Northern Gulf of Mexico. Cores were collected from: 11 stations on September 10, 2017; 23 stations on October 29, 2017; and 26 stations on July 12, 2018. The September 2017 cruise was conducted on R/V Pelican (PE18-09); the two subsequent cruises were conducted on R/V Trident.</p>
<p>On each cruise, a series of box cores were collected in a grid pattern. From those box cores, a series of sub-cores were collected. Those included: x-radiograph trays, a 3-inch aluminum and/or polycarbonate core, and a 6-inch core. They were stored in a refrigerator at 2 °C and later split into 1 cm sections, x-rayed, and stored in bags until further analysis.</p>
<p>To collect water content, a basic oven was used at 60 °C. They were dried in pre-weighed aluminum tins, and then the water content was calculated after weighing the dry weight.</p>
<p>The grain size was processed in a Malvern Mastersizer 2000 that uses laser diffraction to analyze the grains.</p>
<p>The Mercury content was analyzed in a Milestone DMA-80 that combusts the sample to get a total mercury content.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1635893 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1635893
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1829221 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1829221
completed
Timothy M. Dellapenna
Texas A&M, Galveston
409-740-4952
1001 Texas Clipper Road
Galveston
TX
77553
USA
dellapet@tamug.edu
pointOfContact
James Churchill
Woods Hole Oceanographic Institution
508-289-2807
Clark 354, MS #21
Woods Hole
MA
02543-1541
USA
jchurchill@whoi.edu
pointOfContact
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
508-289-3676
Marine Chemistry and Geochemistry MS #8
Woods Hole
MA
02543
USA
zawang@whoi.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Date
Core_Name
Lat
Long
Depth
Water_Content
Hg_Content
Sand
Silt
Clay
STD
D50
box cores
Malvern Mastersizer 2000
Milestone DMA-80
theme
None, User defined
date
sample identification
latitude
longitude
depth core
No BCO-DMO term
total mercury
sediment grain size
featureType
BCO-DMO Standard Parameters
Box Corer
Laser Diffraction Particle Size Analyzer
Milestone Direct Mercury Analyzer
instrument
BCO-DMO Standard Instruments
Brazos_Harvey_Cruises
PE18-09
service
Deployment Activity
Brazos River Plume in the northern Gulf of Mexico (28 N, 95 W)
Northern Gulf of Mexico : river plumes of the Mississippi and the Brazos
place
Locations
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
NSFOCE-BSF: Collaborative Research: The Role and Mechanisms of Nuclei-induced Calcium Carbonate Precipitation in the Coastal Carbon Cycle: A First In-depth Study
https://osprey.bco-dmo.org/project/754858
NSFOCE-BSF: Collaborative Research: The Role and Mechanisms of Nuclei-induced Calcium Carbonate Precipitation in the Coastal Carbon Cycle: A First In-depth Study
<p>NSF Abstract:</p>
<p>The formation of calcium carbonate (CaCO3) in seawater is a fundamental pathway in the marine carbon cycle. Calcium carbonate formation may occur through biological production (calcification by organisms building shells or skeletal material) or through non-biological (abiotic, or chemical) processes. Although most surface seawater in both open and coastal waters is supersaturated in calcium carbonate, several factors inhibit the abiotic production of calcium carbonate. Therefore the current paradigm is that most calcium carbonate formation in seawater is biological. However, laboratory experiments have demonstrated that addition of solid-phase particles to supersaturated seawater promotes nuclei-induced CaCO3 precipitation (NICP) by providing "seeds" for precipitation. NICP has been demonstrated in the Little Bahama Banks during events of re-suspension of CaCO3-rich sediments. Until very recently, essentially no evidence has shown that NICP occurs in typical marine systems where suspended particles have relatively low CaCO3 content. A recent study by the Israeli partners in this project provides evidence that NICP may play a significant role in the carbon budget in the Red Sea, as a result of an influx of particulate material caused by flash floods and potentially airborne dusts. Such a finding suggests that NICP may be an important CaCO3 formation pathway that has been mostly ignored in the ocean carbon cycle. The goal of this project is to conduct the first comprehensive, in-depth study to evaluate the significance of NICP in the oceans. The project is an international collaboration between U.S. and Israeli scientists, jointly funded by NSF and the U.S.-Israel Binational Science Foundation. A postdoctoral researcher whose Ph.D. work forms the foundation for this study will be supported through this project. An Israeli masters-level student and one U.S. minority undergraduate intern will be advised and trained in this project.</p>
<p>The project will use an integrated approach to assess different mechanisms that may result in NICP, including riverine sediment input, land-derived particle influx via flash floods, bottom sediment resuspension, and atmospheric dust input. Field investigations will be done in a suite of coastal environments: the northern Red Sea, the Mississippi and Sabine River plumes and Galveston Bay in the northern Gulf of Mexico, each of which receive significant quantities of non-carbonate rich sediments. The investigators will also conduct controlled laboratory experiments to verify and extend field observations. If NICP is shown to be significant, this finding could promote a reexamination of important parts of the carbon cycle and the response of the ocean carbon system to ongoing perturbations.</p>
Nuclei CaCO3 Precip
largerWorkCitation
project
RAPID: Collaborative Research: Tracking the Flood Pulse of a Record Discharge of the Brazos River in the Gulf of Mexico
https://osprey.bco-dmo.org/project/834170
RAPID: Collaborative Research: Tracking the Flood Pulse of a Record Discharge of the Brazos River in the Gulf of Mexico
<p><em>NSF Award Abstract:</em><br />
The transport and fate of sediment carried by rivers to the coastal ocean is of great ecological and societal importance. River input is the primary source of land-derived sediment to the marine environment. These particles have significant impacts on the health of coastal ecosystems and the geology and bathymetry of coastal oceans and shipping channels. They directly and indirectly affect fisheries and navigation. This research focuses on the movement of sediments carried into the Gulf of Mexico, via the Brazos River, during the unprecedented rainfall and flooding event that occurred during Hurricane Harvey. The Brazos River ranks as the second largest contributor of nutrients and organic matter to the Gulf of Mexico, after the Mississippi River. Unlike the Mississippi, however, most sediment delivered to the Gulf of Mexico from the Brazos is carried during flooding events like that which accompanied Hurricane Harvey. Little is known about the fate of this sediment. It is not clear if it is retained in the coastal zone, where the nutrients and chemicals it carries affect the coastal environment, or is carried offshore and deposited in the deep waters of the Gulf of Mexico. Through intensive sampling of sediments just offshore the mouth of the Brazos River and further offshore in the Gulf of Mexico in what is known as the Texas Mud Blanket, this project will determine the principal repository of sediments delivered to the western Gulf of Mexico by a major Texas river.</p>
<p>The overall goal of this research is to investigate the hypothesis that flood-borne sediment from the Brazos River is initially deposited in the coastal zone and subsequently mobilized and carried offshore with a large fraction of it being deposited in the Texas Mud Blanket. The work builds on the analysis of sea-bottom sediment samples collected in 2017 during flooding associated with Hurricane Harvey. This new program will include two sampling cruises to augment already collected data. The first cruise will entail acquisition of ~25 cores that will indicate sediment deposition and transport in the near-shore region near the Brazos River mouth. Preliminary work indicates that much of the initial deposition of Brazos River sediment occurred east of the original sampling region. The second cruise in will collect additional Brazos region cores and expand sampling into the Texas Mud Blanket, with the goal of documenting changes in Brazos sediment deposition from the Hurricane Harvey flooding. During both cruises, complementary hydrography data will be collected. This includes water column velocities and suspended sediment loads. Provenance of individual layers, within the sediment samples and box cores, will be determined by digital photos and x-radiographs of intact core slabs that show sediment fabric and structures. To differentiate Gulf of Mexico from Brazos River sediments, sub-samples of collected cores will be geochemically analyzed and profiled for short-lived-radioisotope geochronology, water content, grainsize distribution, and mercury and carbonate content. These indicators will help identify the origin of the sediments deposited in the system.</p>
<p>This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.</p>
Flood Pulse Brazos
largerWorkCitation
project
eng; USA
oceans
Brazos River Plume in the northern Gulf of Mexico (28 N, 95 W); Northern Gulf of Mexico : river plumes of the Mississippi and the Brazos
-95.520612
-95.25045
28.6391533
28.8746
2017-09-10
2018-07-12
From projects that focused on the following 2 locations: 1. Northern Red Sea (Eilat, Israel), Mississippi / Sabine/ Brazos River plumes and Galveston Bay in the northern Gulf of Mexico 2. Brazos River Plume, offshore Texas coast
0
BCO-DMO catalogue of parameters from Core data collected in the Brazos River Plume, TX during 2017-2018
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/844690.rdf
Name: Date
Units: unitless
Description: <p>Date of sample collection; format: YYYY-MM-DD</p>
http://lod.bco-dmo.org/id/dataset-parameter/844691.rdf
Name: Core_Name
Units: unitless
Description: <p>Site name</p>
http://lod.bco-dmo.org/id/dataset-parameter/844692.rdf
Name: Lat
Units: decimal degrees North
Description: <p>Latitude</p>
http://lod.bco-dmo.org/id/dataset-parameter/844693.rdf
Name: Long
Units: decimal degrees East
Description: <p>Longitude</p>
http://lod.bco-dmo.org/id/dataset-parameter/844694.rdf
Name: Depth
Units: centimeters (cm)
Description: <p>Depth in the sediment</p>
http://lod.bco-dmo.org/id/dataset-parameter/844695.rdf
Name: Water_Content
Units: unitless (percent)
Description: <p>Percent water in sample</p>
http://lod.bco-dmo.org/id/dataset-parameter/844696.rdf
Name: Hg_Content
Units: micrograms per kilogram (ug/kg)
Description: <p>Total Mercury in sample</p>
http://lod.bco-dmo.org/id/dataset-parameter/844697.rdf
Name: Sand
Units: unitless (percent)
Description: <p>Percent Sand size</p>
http://lod.bco-dmo.org/id/dataset-parameter/844698.rdf
Name: Silt
Units: unitless (percent)
Description: <p>Percent Silt size</p>
http://lod.bco-dmo.org/id/dataset-parameter/844699.rdf
Name: Clay
Units: unitless (percent)
Description: <p>Percent Clay size</p>
http://lod.bco-dmo.org/id/dataset-parameter/844700.rdf
Name: STD
Units: micrometers (um)
Description: <p>Standard deviation of grain size</p>
http://lod.bco-dmo.org/id/dataset-parameter/844701.rdf
Name: D50
Units: micrometers (um)
Description: <p>Median grain size</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
86077
https://darchive.mblwhoilibrary.org/bitstream/1912/26793/1/dataset-844548_brazos-plume-core-data__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.844548.1
download
onLine
dataset
<p>Data were collected on three cruises on the&nbsp;Brazos River Plume in the Northern Gulf of Mexico. Cores were collected from: 11 stations on September 10, 2017; 23 stations on October 29, 2017; and 26 stations on July 12, 2018. The September 2017 cruise was conducted on R/V Pelican (PE18-09); the two subsequent cruises were conducted on R/V Trident.</p>
<p>On each cruise, a series of box cores were collected in a grid pattern. From those box cores, a series of sub-cores were collected. Those included: x-radiograph trays, a 3-inch aluminum and/or polycarbonate core, and a 6-inch core. They were stored in a refrigerator at 2 °C and later split into 1 cm sections, x-rayed, and stored in bags until further analysis.</p>
<p>To collect water content, a basic oven was used at 60 °C. They were dried in pre-weighed aluminum tins, and then the water content was calculated after weighing the dry weight.</p>
<p>The grain size was processed in a Malvern Mastersizer 2000 that uses laser diffraction to analyze the grains.</p>
<p>The Mercury content was analyzed in a Milestone DMA-80 that combusts the sample to get a total mercury content.</p>
Specified by the Principal Investigator(s)
<p>Data Processing:&nbsp;Most of the data were processed in Excel, Matlab R2020a, or ArcPro 2.6.3. The data were stored in Excel sheets, then graphs and maps were created using Matlab or ArcPro.</p>
<p>BCO-DMO Processing:<br />
- concatenated three separate data files into one dataset;<br />
- added Date column;<br />
- re-named fields to conform with BCO-DMO naming conventions (replaced spaces with underscores);<br />
- rounded Hg_Content and Water_Content columns.</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
box cores
box cores
PI Supplied Instrument Name: box cores Instrument Name: Box Corer Instrument Short Name:Box Corer Instrument Description: General description of a box corer:
A box corer is a marine geological tool that recovers undisturbed soft surface sediments. It is designed for minimum disturbance of the sediment surface by bow wave effects. Traditionally, it consists of a weighted stem fitted to a square sampling box. The corer is lowered vertically until it impacts with the seabed. At this point the instrument is triggered by a trip as the main coring stem passes through its frame. While pulling the corer out of the sediment a spade swings underneath the sample to prevent loss. When hauled back on board, the spade is under the box. (definition from the SeaVox Device Catalog)
Box corers are one of the simplest and most commonly used types of sediment corers. The stainless steel sampling box can contain a surface sediment block as large as 50cm x 50cm x 75cm with negligible disturbance. Once the sediment is recovered onboard, the sediment box can be detached from the frame and taken to a laboratory for subsampling and further analysis. The core sample size is controlled by the speed at which the corer is lowered into the ocean bottom. When the bottom is firm, a higher speed is required to obtain a complete sample. A depth pinger or other depth indicator is generally used to determine when the box is completely filled with sediment. Once the core box is filled with sediment, the sample is secured by moving the spade-closing lever arm to lower the cutting edge of the spade into the sediment, until the spade completely covers the bottom of the sediment box. (definition from Woods Hole Oceanographic Institution). Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/51/
Malvern Mastersizer 2000
Malvern Mastersizer 2000
PI Supplied Instrument Name: Malvern Mastersizer 2000 Instrument Name: Laser Diffraction Particle Size Analyzer Instrument Short Name: Instrument Description: Laser diffraction is particle sizing technique for materials ranging from hundreds of nanometers up to several millimeters in size. Laser diffraction measures particle size distributions by measuring the angular variation in intensity of light scattered as a laser beam passes through a dispersed particulate sample. One example is the Beckman Coulter LS200. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/150/
Milestone DMA-80
Milestone DMA-80
PI Supplied Instrument Name: Milestone DMA-80 Instrument Name: Milestone Direct Mercury Analyzer Instrument Short Name:DMA-80 Instrument Description: The Milestone DMA-80 is a mercury analyzer used to determine mercury concentrations in liquid and solid samples. The DMA-80 is based on the principles of sample thermal decomposition, mercury amalgamation, and atomic absorption detection. See more: https://milestonesci.com/direct-mercury-analyzer/
Cruise: Brazos_Harvey_Cruises
Brazos_Harvey_Cruises
R/V Trident
R/V Trident
vessel
Cruise: PE18-09
PE18-09
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel
PE18-09
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
R/V Trident
R/V Trident
vessel
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel