http://lod.bco-dmo.org/id/dataset/3296
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
2010-08-30
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Absorption spectra and DOC concentrations from the NOAA Ship Ronald H. Brown cruise RB-07-05, R/V Pelican cruises PE07-32, PEJun2000 in the Gulf of Mexico (GoMX - NACP-OCB project)
2011-06-21
publication
2011-06-21
revision
BCO-DMO Linked Data URI
2011-06-21
creation
http://lod.bco-dmo.org/id/dataset/3296
Chris Osburn
North Carolina State University - Marine, Earth and Atmospheric Sciences
principalInvestigator
Thomas Bianchi
Texas A&M University
principalInvestigator
Robert F. Chen
University of Massachusetts Boston
principalInvestigator
Paula Coble
University of South Florida
principalInvestigator
Eurico D'Sa
Louisiana State University Coastal Studies Institute
principalInvestigator
George B. Gardner
University of Massachusetts Boston
principalInvestigator
Xu-Chen Wang
University of Massachusetts Boston
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: Osburn, C., Bianchi, T., Chen, R. F., Coble, P., D'Sa, E., Gardner, G. B., Wang, X. (2011) Absorption spectra and DOC concentrations from the NOAA Ship Ronald H. Brown cruise RB-07-05, R/V Pelican cruises PE07-32, PEJun2000 in the Gulf of Mexico (GoMX - NACP-OCB project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 21 June 2011) Version Date 2011-06-21 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/3296 [access date]
Absorption spectra and DOC concentrations Dataset Description: <p>Geospatial Synthesis of Chromophoric (color-absorbing) Dissolved Organic Matter (CDOM) Distribution in the Gulf of Mexico</p>
<h4>PI: Christopher Osburn, Dept. Marine, Earth, and Atmospheric Sciences, NC State University</h4>
<h4>Co-PIs: Thomas Bianchi, Texas A&amp;M University, Bob Chen, University of Massachusetts-Boston; Paula Coble, University of South Florida; Eurico D'Sa, Louisiana State University</h4>
<p>This dataset is affiliated with the North American Carbon Program (NACP). For additional information, please see the <a href="http://www.nacarbon.org/cgi-bin/web/investigations/inv_pgp.pl?pgid=511">entry at the NACP site</a>.</p>
<p>This data set will be a synthesis of bio-optical data on chromophoric or color-absorbing dissolved organic matter (CDOM) in the coastal regions the Gulf of Mexico - an immediate goal of the NACP and OCB programs. Absorption spectra and DOC concentrations from the Organic Matter Cycli project will be reported. In addition to in situ absorption spectra and DOC concentrations some study locations may also report fluorescence (estimate of chlorophyll a concentration), plus CTD and dissolved oxygen measurements</p>
<p>CDOM affects on water quality and water clarity are part of a high priority issue identified by the Gulf of Mexico Alliance (GOMA). Each of the PI's listed has historical CDOM data from coastal regions of the Gulf of Mexico, ranging from the Texas coast to West Florida Shelf.</p>
<p>The historic CDOM synthesis data set will provide a resource for validating remote sensing algorithms that predict water clarity properties in the coastal areas of the Gulf of Mexico. Each dataset to be shared by a PI is linked to specific research cruises. Thus the database has temporal and spatial coverage and associated metadata. In Years 1-2 of the project, data will be collated from each PI and transformed into a format amenable to data rescue by BCO-DMO. The structure of the resulting database will provide a mechanism by which future data sets may be integrated by members of the scientific community, through the project. In Year 2, as data comes online, it will be used to validate a coastal CDOM remote sensing algorithm for the Gulf of Mexico. Co-PI D'Sa has a decision support science website (<a href="http://gulf-coast.lsu.edu/index.html">http://gulf-coast.lsu.edu/index.html</a>) that will provide water clarity data products based on CDOM algorithms.</p>
<p>The goal of the project is to have a functional database of CDOM information for two objectives. One objective is to provide coastal oceanographers with a clearinghouse for CDOM data that can be accessed and to which future cruise-related data acquisitions can be added. The second objective is to provide a resource for decision makers who require water clarity data on spatial and time scales for which satellite imagery may be used. For the second goal to be met, we have as an objective the validation of CDOM algorithms using the proposed database. Once the algorithm is validated, water clarity data products can be generated by users using the GCIS website, which will link to the CDOM database hosted by BCO-DMO.</p>
<p>The CDOM database will also provide pilot data for research proposals to NSF from our team. Part of our evolving project is to produce geospatial models of CDOM distributions in the Gulf of Mexico from the inflows of multiple rivers as well as the Loop Current. Functional models of CDOM distributions will further aid in remote sensing algorithm development and validation and in the general understanding of terrestrial C flux to the Gulf of Mexico.</p>
<p>Modification History:<br />
September 2010: added processed Atchafalaya data from Chris Osburn<br />
December 2010: raw/unprocessed Mississippi Plume absorption coefficients were added but then quickly removed<br />
June 2011: added processed Mississippi Plume data from Bob Chen; a_lambda units corrected to "per meter" (had been incorrectly specified as "per nanometer" in earlier version)</p> Methods and Sampling: <p>Samples were collected at the surface either in bucket grabs or from the Pelican's flow-through system, or by CTD. Samples were filtered through 0.2 micrometer polyethersulfone filters into baked (550 degrees Celsius; 5 hr. minimum) collection vials and stored at 4 degrees Celsius in the dark until return to the lab (about 3 days time). Absorbance was measured on a Shimadzu 1601UV spectrophotometer from 200 to 800 nm at 1 nm intervals versus air. All a(λ) values are blank corrected for Milli-Q water.</p>
Funding provided by United States Naval Research Laboratory (Navy/NRL) Award Number: unknown GoMX NACP-OCB Navy/NRL
Funding provided by Office of Naval Research (ONR) Award Number: N00014-00-10325
Funding provided by National Aeronautics & Space Administration (NASA) Award Number: unknown GoMX NACP-OCB NASA
onGoing
Chris Osburn
North Carolina State University - Marine, Earth and Atmospheric Sciences
919.515.0382
Marine, Earth, and Atmospheric Sciences Dept. 2800 Faucette Drive
Raleigh
NC
27695
USA
closburn@ncsu.edu
pointOfContact
Thomas Bianchi
Texas A&M University
pointOfContact
Robert F. Chen
University of Massachusetts Boston
(617) 287-7491
100 Morrissey Blvd
Boston
MA
02125
USA
Bob.Chen@umb.edu
pointOfContact
Paula Coble
University of South Florida
727-553-1631
College of Marine Science 140 Seventh Ave. S.
St. Petersburg
FL
33701
USA
pcoble@marine.usf.edu
pointOfContact
Eurico D'Sa
Louisiana State University Coastal Studies Institute
225-578-0212
320 Howe-Russell Geoscience Complex
Baton Rouge
LA
70803
USA
ejdsa@lsu.edu
pointOfContact
George B. Gardner
University of Massachusetts Boston
(617) 287-7454
100 Morrissey Blvd
Boston
MA
02125
USA
Bernie.gardner@umb.edu
pointOfContact
Xu-Chen Wang
University of Massachusetts Boston
(617) 287-7486
100 Morrissey Blvd
Boston
MA
02125
USA
xuchen.wang@umb.edu
pointOfContact
asNeeded
Dataset Version: 21 June 2011
Unknown
Location_ID
Sta_name
date
lat
lon
time
depth
temp
sal
DOC
Wavelength
a_lambda
DO
PI_name
bucket
Cary 50 spectrophotometer
Conductivity, Temperature, Depth
Isotope-ratio Mass Spectrometer
Shimadzu TOC-V Analyzer
towed undulating vehicle
UV Spectrophotometer-Shimadzu
theme
None, User defined
Site_ID
station name
date
latitude
longitude
time of day
depth
water temperature at measurement depth
salinity
dissolved organic Carbon
wavelength
No BCO-DMO term
dissolved Oxygen
person name
featureType
BCO-DMO Standard Parameters
bucket
Cary 50 spectrophotometer
CTD - profiler
Isotope-ratio Mass Spectrometer
Shimadzu TOC-V Analyzer
towed undulating vehicle
UV Spectrophotometer-Shimadzu
instrument
BCO-DMO Standard Instruments
RB-07-05
PE07-32
PEJun2000
service
Deployment Activity
Gulf of Mexico, East Coast US
Atchafalaya estuary and Northern Gulf of Mexico shelf waters, 29.44 N 91.32 W to 28.40 N 91.81 W
Mississippi Plume and Northern Gulf of Mexico
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.
Ocean Carbon and Biogeochemistry
http://us-ocb.org/
Ocean Carbon and Biogeochemistry
The Ocean Carbon and Biogeochemistry (OCB) program focuses on the ocean's role as a component of the global Earth system, bringing together research in geochemistry, ocean physics, and ecology that inform on and advance our understanding of ocean biogeochemistry. The overall program goals are to promote, plan, and coordinate collaborative, multidisciplinary research opportunities within the U.S. research community and with international partners. Important OCB-related activities currently include: the Ocean Carbon and Climate Change (OCCC) and the North American Carbon Program (NACP); U.S. contributions to IMBER, SOLAS, CARBOOCEAN; and numerous U.S. single-investigator and medium-size research projects funded by U.S. federal agencies including NASA, NOAA, and NSF.
The scientific mission of OCB is to study the evolving role of the ocean in the global carbon cycle, in the face of environmental variability and change through studies of marine biogeochemical cycles and associated ecosystems.
The overarching OCB science themes include improved understanding and prediction of: 1) oceanic uptake and release of atmospheric CO2 and other greenhouse gases and 2) environmental sensitivities of biogeochemical cycles, marine ecosystems, and interactions between the two.
The OCB Research Priorities (updated January 2012) include: ocean acidification; terrestrial/coastal carbon fluxes and exchanges; climate sensitivities of and change in ecosystem structure and associated impacts on biogeochemical cycles; mesopelagic ecological and biogeochemical interactions; benthic-pelagic feedbacks on biogeochemical cycles; ocean carbon uptake and storage; and expanding low-oxygen conditions in the coastal and open oceans.
OCB
largerWorkCitation
program
North American Carbon Program
http://www.nacarbon.org/nacp/
North American Carbon Program
The North American Carbon Program (NACP) is a multidisciplinary research program to obtain scientific understanding of North America's carbon sources and sinks and of changes in carbon stocks needed to meet societal concerns and to provide tools for decision makers. Successful execution of the NACP will require an unprecedented level of coordination among observational, experimental, and modeling efforts regarding terrestrial, oceanic, atmospheric, and human components. The NACP is supported by a number of different federal agencies through a variety of intramural and extramural funding mechanisms and award instruments. NACP will rely upon a rich and diverse array of existing observational networks, monitoring sites, and experimental field studies in North America and its adjacent oceans. Integrating these different program activities and maximizing synergy amongst them, will require expert guidance beyond the norm for large field programs in Earth system science and global climate change.
Central Objective
The central objective of the North American Carbon Program is to measure and understand the sources and sinks of Carbon Dioxide (CO2), Methane (CH4), and Carbon Monoxide (CO) in North America and in adjacent ocean regions.
Goals
Develop quantitative scientific knowledge, robust observations, and models to determine the emissions and uptake of CO2, CH4, and CO, changes in carbon stocks, and the factors regulating these processes for North America and adjacent ocean basins.
Develop the scientific basis to implement full carbon accounting on regional and continental scales. This is the knowledge base needed to design monitoring programs for natural and managed CO2 sinks and emissions of CH4.
Support long-term quantitative measurements of fluxes, sources, and sinks of atmospheric CO2 and CH4, and develop forecasts for future trends.
Science Questions
What is the carbon balance of North America and adjacent oceans? What are the geographic patterns of fluxes of CO2, CH4, and CO? How is the balance changing over time?
What processes control the sources and sinks of CO2, CH4, and CO, and how do the controls change with time?
Are there potential surprises where sources increase or sinks disappear?
How can we enhance and manage long-lived carbon sinks, and provide resources to support decision makers?
The NACP Science Steering Group (SSG) provides scientific leadership for the NACP. (NACP SSG)
Program Data: The data from most projects associated with the NACP program are not managed by BCO-DMO. Information about most projects and their results are available from the Program and Data site URLs shown above. However, some exceptions are the NACP/OCB coastal synthesis projects listed below when the project section is expanded.
NACP
largerWorkCitation
program
NACP-OCB Coastal Synthesis
http://www.nacarbon.org/cgi-nacp/working_groups/wg.pl?synthesis=1#coastal
NACP-OCB Coastal Synthesis
In late June 2008, the OCB Project Office sent out a call for participation in the Coastal Synthesis Activity as part of the North American Carbon Program (NACP) Interim Synthesis Activities. The objective of this activity is to stimulate the synthesis and publication of recent observational and modeling results on carbon cycle fluxes and processes along the North American continental margin. The current state of knowledge of the magnitude, spatial distribution, and inter-annual variability of carbon sources and sinks in coastal waters is incomplete. Thus, the goal of this activity is to synthesize individual, small-scale studies across broader spatial and temporal scales to improve quantitative assessments of the North American coastal carbon cycle. Because the coastal oceans have important and complex linkages with terrestrial, atmospheric, and open ocean biogeochemical cycles, we encourage the participation of researchers focused on both organic and inorganic carbon, as well as nitrogen and phosphorous cycle topics related to carbon balance and related issues such as hypoxia impacts on continental margins.
Planning for the coastal synthesis activity was initiated during a breakout session at the 2008 OCB Summer Science Workshop. The proposed coastal synthesis activity is initially broken into five U.S. geographical sub-regions (Atlantic Coast, Pacific Coast, Gulf Coast, Arctic Coast, and Laurentian Great Lakes), with leads identified for each region. Researchers were encouraged to consider ongoing projects and think about how those projects might relate to one or more of the regional syntheses. Additional information available at the NACP Web site (http://www.nacarbon.org/cgi-bin/working_groups/wg.pl) includes a list of active NACP Interim Synthesis activities and working groups.
The majority of data sets uploaded for this project will be synthesis data sets, representing an integration of previously compiled data from the various sub-regions.
Related Links:
NACP Coastal Synthesis Web Site (includes regional links)
NACP-OCB Coastal
largerWorkCitation
program
Gulf of Mexico NACP-OCB Coastal Synthesis
http://coastalcarbon.pbwiki.com/
Gulf of Mexico NACP-OCB Coastal Synthesis
<h2>NACP-OCB Coastal Synthesis: Gulf of Mexico region</h2>
<p>The objective of the NACP coastal synthesis activities is to stimulate the synthesis and publication of recent observational and modeling results on carbon cycle fluxes and processes along the North American continental margin, a critical unknown in the North American carbon budget. NACP/OCB researchers have identified the Gulf of Mexico as being one of the regions of special interest for this coastal synthesis activity.</p>
<h4>Phase 1. Regional Carbon Budgets</h4>
<p>The first phase of the coastal synthesis will be to develop a carbon budget for each region based on a compilation of existing data, which will require literature searches, web searches of databases, etc. Although full community participation is welcome and encouraged, Paula Coble volunteered to lead the Gulf of Mexico Phase 1 synthesis efforts.</p>
<p>Some key elements of the database synthesis are:</p>
<ul>
<li>Climatology</li>
<li>pCO2</li>
<li>riverine delivery, inc losses and inputs on the way</li>
<li>rates of processes</li>
<li>ocean color data and products</li>
<li>export out of coastal regions</li>
<li>DIC, PIC, DOC, POC</li>
<li>Nutrients</li>
<li>Other fluxes</li>
<li>model output</li>
</ul>
<p>plus uncertainty analysis and quality control related to those observations</p>
<h4>Phase 2. Community Modeling and Database Development</h4>
<p>The second phase of the coastal synthesis will involve community modeling activity to refine the regional carbon budgets.</p>
GoMX - NACP-OCB
largerWorkCitation
project
eng; USA
oceans
Gulf of Mexico, East Coast US; Atchafalaya estuary and Northern Gulf of Mexico shelf waters, 29.44 N 91.32 W to 28.40 N 91.81 W; Mississippi Plume and Northern Gulf of Mexico
2011-06-21
global coastal zones
0
BCO-DMO catalogue of parameters from Absorption spectra and DOC concentrations from the NOAA Ship Ronald H. Brown cruise RB-07-05, R/V Pelican cruises PE07-32, PEJun2000 in the Gulf of Mexico (GoMX - NACP-OCB 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
http://lod.bco-dmo.org/id/dataset-parameter/22259.rdf
Name: Location_ID
Units: dimensionless
Description: <p>sampling location site identifier</p>
http://lod.bco-dmo.org/id/dataset-parameter/22260.rdf
Name: Sta_name
Units: dimensionless
Description: <p>station name</p>
http://lod.bco-dmo.org/id/dataset-parameter/22261.rdf
Name: date
Units: dimensionless
Description: <p>date of sampling in GMT</p>
http://lod.bco-dmo.org/id/dataset-parameter/22262.rdf
Name: lat
Units: decimal degrees
Description: <p>latitude of sampling location (North is positive)</p>
http://lod.bco-dmo.org/id/dataset-parameter/22263.rdf
Name: lon
Units: decimal degrees
Description: <p>longitude of sampling location (West is negative)</p>
http://lod.bco-dmo.org/id/dataset-parameter/22264.rdf
Name: time
Units: dimensionless
Description: <p>time of sampling in GMT</p>
http://lod.bco-dmo.org/id/dataset-parameter/22265.rdf
Name: depth
Units: meters
Description: <p>depth calculated from pressure measured by the SeaBird CTD</p>
http://lod.bco-dmo.org/id/dataset-parameter/22266.rdf
Name: temp
Units: degrees Celsius
Description: <p>surface water temperature (ITS-90 scale)</p>
http://lod.bco-dmo.org/id/dataset-parameter/22267.rdf
Name: sal
Units: dimensionless
Description: <p>surface water salinity</p>
http://lod.bco-dmo.org/id/dataset-parameter/22268.rdf
Name: DOC
Units: micromolar
Description: <p>Dissolved Organic Carbon</p>
http://lod.bco-dmo.org/id/dataset-parameter/22269.rdf
Name: Wavelength
Units: nanometers
Description: <p>wavelength</p>
http://lod.bco-dmo.org/id/dataset-parameter/22270.rdf
Name: a_lambda
Units: 1/meter
Description: <p>absorption coefficient</p>
http://lod.bco-dmo.org/id/dataset-parameter/22843.rdf
Name: DO
Units: micromoles/kilogram
Description: <p>in situ dissolved oxygen </p>
http://lod.bco-dmo.org/id/dataset-parameter/22844.rdf
Name: PI_name
Units: dimensionless
Description: <p>last name of lead investigator who contributed the data</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
13367663
https://datadocs.bco-dmo.org/file/6YYMwQkhPYVV2r/CDOM.csv
CDOM.csv
Primary data file for dataset ID 3296
download
https://osprey.bco-dmo.org/dataset/3296/data/download
download
onLine
dataset
<p>Samples were collected at the surface either in bucket grabs or from the Pelican's flow-through system, or by CTD. Samples were filtered through 0.2 micrometer polyethersulfone filters into baked (550 degrees Celsius; 5 hr. minimum) collection vials and stored at 4 degrees Celsius in the dark until return to the lab (about 3 days time). Absorbance was measured on a Shimadzu 1601UV spectrophotometer from 200 to 800 nm at 1 nm intervals versus air. All a(λ) values are blank corrected for Milli-Q water.</p>
from Cruise: PE07-32 <p>DOC concentration was measured on an OI Analytical 1010 wet chemical oxidation carbon analyzer using modifications for seawater per Osburn and St-Jean (2007). Modifications included the use of wet chemical oxidation with high-amplification isotope ratio mass spectrometry (WCO-IRMS) to measure stable isotope values of dissolved organic carbon in seawater. The analytical obstacles associated with low amounts of DOC in seawater samples, are overcome by use of concentrated persulfate in a wet chemical oxidation organic carbon analyzer coupled to an isotope ratio mass spectrometry (WCO-IRMS). One key aspect of this method is reducing the persulfate blank and increasing the IRMS signal with larger amplifier gain resistors. After these simple modifications, a 2 mL sample provides enough signal to make precise measurements of DOC concentration.<br />
<br />
DOC methods are described in:<br />
Osburn, CL and G. St-Jean (2007) "The use of wet chemical oxidation with high-amplification isotope ratio mass spectrometry (WCO-IRMS) to measure stable isotope values of dissolved organic carbon in seawater" Limnology and Oceanography: Methods, 5: pp. 296-308. <br />
</p>
from Cruise: PEJun2000 <p>Data from this deployment include: fluorescence, absorbance and DOC measurements of water samples; in-situ CTD data and dissolved oxygen measurements.</p>
<p>Dissolved organic carbon was measured by high temperature catalytic oxidation. Briefly, 50 microliter injections of sparged, acidified seawater were combusted at 800 °C and the resultant CO2 was purified and measured with a nondispersive infrared detector (Chen et al. 2004).</p>
<p>In-situ data (Temperature, Salinity, Depth) were collected using towed undulating vehicle, the ECOShuttle, based on the Nu-Shuttle with CTD and dissolved oxygen sensor.</p>
<p>Absorbance (200-800 nm) measurements were made with a Cary 50 spectrophotometer and spectra were corrected for Milli-Q water as baseline.</p>
<p>DOC was measured by high temperature combustion method using a Shimadzu TOC-V Analyzer.</p>
<p>For sampling and analytical methodology, please refer to:</p>
<p>Chen, R. F., Gardner, G. B., 2004. High-resolution measurements of chromophoric dissolved organic matter in the Mississippi and Atchafalaya River plume regions. Marine Chemistry 89, 103-125.</p>
<p>Chen, R. F., Bissett, P., Coble, P., Conmy, R., Gardner, G. B., Moran, M. A., Wang, X.-C., Wells, M. L., Whelan, P. and Zepp, R. G., 2004. Chromophoric dissolved organic matter (CDOM) source characterization in the Louisiana Bight. Marine Chemistry 89, 257-272.</p>
Specified by the Principal Investigator(s)
<p>Parameters reported will include:<br />
a_lambda = absorption coefficient at each wavelength (250-750 nm), in m-1<br />
DOC = dissolved organic carbon concentration (micromolar).&nbsp; For DOC, different techniques were used and are identified for each deployment.</p>
<p>Absorption coefficients (a) are calculated from absorbance (A) according to Equation 1: <img alt="" src="https://datadocs.bco-dmo.org/d2/NACP-OCB_CoSyn/Gulf_Mexico/Osburn_GoMx_CDOM_Eq1.gif" /></p>
<p>where L is the pathlength in meters (0.1 m). The absorption coefficients were then modeled from 250 to 750 nm using Equation 2: <img alt="" src="https://datadocs.bco-dmo.org/d2/NACP-OCB_CoSyn/Gulf_Mexico/Osburn_GoMx_CDOM_Eq2.gif" /></p>
<p>Excitation-emission matrix (EEM) fluorescence spectra and 13C-DOC values were measured on most of these samples.</p>
<p>&nbsp;</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
bucket
bucket
PI Supplied Instrument Name: bucket Instrument Name: bucket Instrument Short Name:bucket Instrument Description: A bucket used to collect surface sea water samples. Community Standard Description: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0536/
Cary 50 spectrophotometer
Cary 50 spectrophotometer
PI Supplied Instrument Name: Cary 50 spectrophotometer PI Supplied Instrument Description:The Cary 50 spectrophotometer was used to measure absorbance (200-800 nm) and spectra were corrected for Milli-Q water as baseline. Instrument Name: Cary 50 spectrophotometer Instrument Short Name:Cary 50 Instrument Description: A Cary 50 spectrophotometer measures absorbance (200-800 nm). Community Standard Description: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0523/
Conductivity, Temperature, Depth
Conductivity, Temperature, Depth
PI Supplied Instrument Name: Conductivity, Temperature, Depth Instrument Name: CTD - profiler Instrument Short Name: Instrument Description: The Conductivity, Temperature, Depth (CTD) unit is an integrated instrument package designed to measure the conductivity, temperature, and pressure (depth) of the water column. The instrument is lowered via cable through the water column. It permits scientists to observe the physical properties in real-time via a conducting cable, which is typically connected to a CTD to a deck unit and computer on a ship. The CTD is often configured with additional optional sensors including fluorometers, transmissometers and/or radiometers. It is often combined with a Rosette of water sampling bottles (e.g. Niskin, GO-FLO) for collecting discrete water samples during the cast.
This term applies to profiling CTDs. For fixed CTDs, see https://www.bco-dmo.org/instrument/869934. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/130/
Isotope-ratio Mass Spectrometer
Isotope-ratio Mass Spectrometer
PI Supplied Instrument Name: Isotope-ratio Mass Spectrometer PI Supplied Instrument Description:DOC measured by wet chemical oxidation with high-amplification isotope ratio mass spectrometry (WCO-IRMS) using a WCO-modified OI Analytical Model 1010 TOC analyzer. Instrument Name: Isotope-ratio Mass Spectrometer Instrument Short Name:IR Mass Spec; IRMS Instrument Description: The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer). Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB16/
Shimadzu TOC-V Analyzer
Shimadzu TOC-V Analyzer
PI Supplied Instrument Name: Shimadzu TOC-V Analyzer PI Supplied Instrument Description:The Shimadzu TOC-V Analyzer was used to measure DOC by high temperature combustion method. Instrument Name: Shimadzu TOC-V Analyzer Instrument Short Name:Shimadzu TOC-V Instrument Description: A Shimadzu TOC-V Analyzer measures DOC by high temperature combustion method. Community Standard Description: http://onto.nerc.ac.uk/CAST/124
towed undulating vehicle
towed undulating vehicle
PI Supplied Instrument Name: towed undulating vehicle PI Supplied Instrument Description:The ECOShuttle is a towed undulating vehicle based on the Nu-Shuttle with CTD and dissolved oxygen sensor and is used to measure in-situ data including Temperature, Salinity and Depth. Instrument Name: towed undulating vehicle Instrument Short Name:TUV Instrument Description: A towed undulating vehicle is a generic class of instruments. See the data set specific information for a detailed description. These are often prototype instrument packages designed to make very specific measurements.
UV Spectrophotometer-Shimadzu
UV Spectrophotometer-Shimadzu
PI Supplied Instrument Name: UV Spectrophotometer-Shimadzu PI Supplied Instrument Description:Absorbance was measured on a Shimadzu 1601UV spectrophotometer. Instrument Name: UV Spectrophotometer-Shimadzu Instrument Short Name:UV Spectrophotometer-Shimadzu Instrument Description: The Shimadzu UV Spectrophotometer is manufactured by Shimadzu Scientific Instruments (ssi.shimadzu.com). Shimadzu manufacturers several models of spectrophotometer; refer to dataset for make/model information. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB20/
Cruise: RB-07-05
RB-07-05
Community Standard Description
International Council for the Exploration of the Sea
NOAA Ship Ronald H. Brown
vessel
RB-07-05
Christopher Langdon
University of Miami Rosenstiel School of Marine and Atmospheric Science
http://data.bco-dmo.org/NACP-OCB_CoSyn/Gulf_Mexico/RB-07-05_CruiseReportFinal.pdf
Report describing RB-07-05
Cruise: PE07-32
PE07-32
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel
PE07-32
Chris Osburn
North Carolina State University - Marine, Earth and Atmospheric Sciences
Cruise: PEJun2000
PEJun2000
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel
PEJun2000
Robert F. Chen
University of Massachusetts Boston
Community Standard Description
International Council for the Exploration of the Sea
NOAA Ship Ronald H. Brown
vessel
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel