http://lod.bco-dmo.org/id/dataset/555879
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
2015-04-15
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Sinking POC and PIC fluxes measured with PIT sediment traps R/V Knorr cruise KN207-01 along the southern tip of Nova Scotia to Bermuda in 2012 (SargassoSeaLipids project)
2015-04-15
publication
2015-04-15
revision
BCO-DMO Linked Data URI
2015-04-15
creation
http://lod.bco-dmo.org/id/dataset/555879
Benjamin A.S. Van Mooy
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: Van Mooy, B. A. (2015) Sinking POC and PIC fluxes measured with PIT sediment traps R/V Knorr cruise KN207-01 along the southern tip of Nova Scotia to Bermuda in 2012 (SargassoSeaLipids project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 15 April 2015) Version Date 2015-04-15 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/555879 [access date]
Sinking POC and PIC fluxes measured with PIT sediment traps on KN207-01 cruise. Dataset Description: <p>Sinking POC and PIC fluxes measured with PIT sediment traps on the KN207-01 cruise.</p> Methods and Sampling: <p>Refer to Collins et al., <em>Global Biogeochem. Cycles </em>(2015), in review. Excerpted from methods section:</p>
<p>Vertically sinking particulate carbon fluxes were measured at 50, 150, and 300 meters using surface-tethered cylindrical sediment traps (0.0125 m2 cross-sectional area; materials and construction as described in McDonnell and Buesseler, 2012). A mooring consisting of four traps at each depth, a surface buoy, wave-action mitigation bungee cord, and several floats, was deployed at each process station and allowed to drift for 3-5 days. The quasi-Lagrangian behavior of the mooring during each deployment was confirmed by comparison of positional data obtained from an Argos satellite beacon mounted on the surface buoy with shipboard acoustic Doppler current profiler (ADCP) data from the R/V Knorr, which trailed the mooring at a range of 1-2 miles.</p>
<p>Traps were prepared, deployed, and recovered as described in McDonnell and Buesseler (2012). Traps were then sampled for particulate carbon in accordance with McDonnell and Buesseler (2012), except that the screened brine suspension (350 um pore size, to exclude macrozooplankton) was filtered onto a series of precombusted, 47 mm GF/F filters (0.7 um nominal pore size). Field and analytical blanks were collected at each station. Filters were immediately frozen in liquid nitrogen and then stored at -80 degrees C.</p>
<p>Filters from three of the four traps at each depth were used for determination of total particulate and particulate inorganic carbon (TPC and PIC, respectively). After thawing, the filters (including blanks) were first dried at 70 degrees C in a drying oven; each filter was then weighed and cut in half with precombusted stainless steel scissors. Each half was then weighed separately. One half was reserved for PIC analysis and the other reserved for determination of TPC.</p>
<p>For TPC, sets of filter halves were transferred to 12 mm by 20 cm precombusted quartz tubes containing copper oxide (100 mg) and elemental silver wires. The tubes were then attached to a vacuum line, evacuated, flame-sealed, and combusted at 850 degrees C for 10 h. The evolved carbon dioxide was then isolated through a series of cold traps and quantified manometrically. PIC was determined from the other set of filter halves by coulometric analysis of acidified samples using a Model CM5014 UIC Coulometric Analyzer with Carbonate Acidification Module, as described in Honjo et al. (1995). Particulate organic carbon (POC) was determined for each trap by difference of the blank-corrected TPC and PIC measurements.</p>
<p><strong>References:</strong><br />
Collins, J. R., B. R. Edwards, K. Thamatrakoln, J. E. Ossolinksi, G. R. DiTullio, K. D. Bidle, S. C. Doney, and B. A. S. Van Mooy (2015), The multiple fates of sinking particles in the North Atlantic Ocean, <em>Global Biogeochem. Cycles, </em>in review.</p>
<p>McDonnell, A. M. P., and K. O. Buesseler (2012), A new method for the estimation of sinking particle fluxes from measurements of the particle size distribution, average sinking velocity, and carbon content, <em>Limnol Oceanogr-Meth</em>, <em>10</em>, 329-346, doi:<a href="http://dx.doi.org/10.4319/Lom.2012.10.329" target="_blank">10.4319/Lom.2012.10.329</a>.</p>
<p>Honjo, S., J. Dymond, R. Collier, and S. J. Manganini (1995), Export production of particles to the interior of the equatorial Pacific Ocean during the 1992 EqPac experiment, <em>DSR</em>, <em>42</em>(2–3), 831-870, doi:<a href="http://dx.doi.org/10.1016/0967-0645(95)00034-N" target="_blank">10.1016/0967-0645(95)00034-N</a>.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1031143 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1031143
completed
Benjamin A.S. Van Mooy
Woods Hole Oceanographic Institution
(508) 289 2322
Department of Marine Chemistry and Geochemistry, MS #4, Fye 117 Woods Hole Oceanographic Institution
Woods Hole
MA
02543
USA
bvanmooy@whoi.edu
pointOfContact
asNeeded
Dataset Version: 15 April 2015
Unknown
lat
lon
ISO_DateTime_Start_UTC
ISO_DateTime_End_UTC
ISO_DateTime_Start_Local
ISO_DateTime_End_Local
deploy_duration
depth
PIC_flux
PIC_flux_stdev
POC_flux
POC_flux_stdev
POC_to_PIC_ratio
Model CM5014 UIC Coulometric Analyzer
PIT sediment trap
theme
None, User defined
latitude
longitude
ISO_DateTime_UTC
ISO_DateTime_Local
No BCO-DMO term
depth
featureType
BCO-DMO Standard Parameters
CO2 Coulometer
Sediment Trap - Particle Interceptor
instrument
BCO-DMO Standard Instruments
KN207-01
service
Deployment Activity
southern tip of Nova Scotia to Bermuda
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
Biogeochemical Impact and Fate of Non-phosphorus Membrane Lipids in the Sargasso Sea
https://osprey.bco-dmo.org/project/2189
Biogeochemical Impact and Fate of Non-phosphorus Membrane Lipids in the Sargasso Sea
<p>Intact polar diacyglycerols (IP-DAGs) are the fatty-acid bearing lipid molecules that compose bacterial and eukaryotic cell membranes. As such, they are one of the most abundant classes of lipid molecules in plankton, and play a major role in the marine carbon cycle. However, until very recently, the molecular diversity of IP-DAGs was poorly understood; the structural identity and characteristics of IP-DAGs were inferred almost exclusively from their constituent fatty acids. These non-phosphorus containing IP-DAGs were largely unknown to chemical oceanography. In contrast, phospholipids, which have been the focus of considerable research, compose a disproportionally small fraction of total IP-DAGs. But we still lack even a cursory understanding of biochemical functions and geochemical fates of non-phosphorus IP-DAGs. Given that these molecules are among the most abundant lipid molecules on the planet, this represents a profound and unexpected gap in our understanding the marine carbon and phosphorus cycles.</p>
<p>In this project, researchers at the Woods Hole Oceanographic Institution will launch a pioneering study of these poorly understood compounds. Their approach will be guided by four questions: (1) How do non-phosphorus lipids contribute to variations in the C:N:P of particulate organic matter in the Sargasso Sea? (2) What are the relative degradation rates of phospholipids and non-phosphorus lipids in surface waters? (3) Which groups of microbes utilize the carbon and phosphorus from different IP-DAGs? (4) What are the relative contributions of different IP-DAGs to particulate organic matter export to the deep-sea? </p>
<p>These questions will be answered by using sophisticated HPLC/MS analyses and novel isotope tracing approaches in conjunction with long-standing methods for measuring the C:N:P of plankton and determining the degradation rates of organic molecules. The research team will establish whether these newly-recognized sulfolipids and betaine lipids molecules are a quantitatively important biochemical option for phytoplankton to affect flexible C:N:P stoichiometry in the face of nutrient stress. They will also elucidate the degradation rate, microbial fate, and export potential of the carbon and phosphorus from IP-DAGs. This will shed new light on the broader roles of these molecules in the cycling of these elements by the planktonic community. </p>
<p>This project contains components that are specifically designed to meet the NSF criteria for "advancing discovery and understanding while promoting teaching, training and learning." The project will support the training of a graduate student and postdoctoral fellow. In addition, the research team will work with the non-profit Zephyr Foundation in Woods Hole to design educational 'units' based on the team's research that will be tailored to student in grades 6 - 12. The Foundation will present these units as part of their hands-on marine science field trip series that is delivered to over 200 students and their teachers per year.</p>
SargassoSeaLipids
largerWorkCitation
project
eng; USA
oceans
southern tip of Nova Scotia to Bermuda
2015-04-15
Sargasso Sea
0
BCO-DMO catalogue of parameters from Sinking POC and PIC fluxes measured with PIT sediment traps R/V Knorr cruise KN207-01 along the southern tip of Nova Scotia to Bermuda in 2012 (SargassoSeaLipids 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/555885.rdf
Name: lat
Units: decimal degrees
Description: <p>Latitude.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555886.rdf
Name: lon
Units: decimal degrees
Description: <p>Longitude.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555887.rdf
Name: ISO_DateTime_Start_UTC
Units: YYYY-mm-ddTHH:MM:SS.xxZ
Description: <p>Start date and time (UTC), formatted to ISO 8601 standard.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555888.rdf
Name: ISO_DateTime_End_UTC
Units: YYYY-mm-ddTHH:MM:SS.xxZ
Description: <p>End date and time (UTC), formatted to ISO 8601 standard.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555889.rdf
Name: ISO_DateTime_Start_Local
Units: YYYY-mm-ddTHH:MM:SS.xxZ
Description: <p>Start date and time (local time zone, UTC-4), formatted to ISO 8601 standard.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555890.rdf
Name: ISO_DateTime_End_Local
Units: YYYY-mm-ddTHH:MM:SS.xxZ
Description: <p>End date and time (local time zone, UTC-4), formatted to ISO 8601 standard.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555891.rdf
Name: deploy_duration
Units: days
Description: <p>Deployment duration.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555892.rdf
Name: depth
Units: meters
Description: <p>Depth.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555893.rdf
Name: PIC_flux
Units: milligrams C per square meter per day (mg C m-2 d-1)
Description: <p>Particulate inorganic carbon (PIC) flux.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555894.rdf
Name: PIC_flux_stdev
Units: milligrams C per square meter per day (mg C m-2 d-1)
Description: <p>Standard deviation of PIC.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555895.rdf
Name: POC_flux
Units: milligrams C per square meter per day (mg C m-2 d-1)
Description: <p>Particulate organic carbon (POC) flux.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555896.rdf
Name: POC_flux_stdev
Units: milligrams C per square meter per day (mg C m-2 d-1)
Description: <p>Standard deviation of POC flux.</p>
http://lod.bco-dmo.org/id/dataset-parameter/555897.rdf
Name: POC_to_PIC_ratio
Units: dimensionless (ratio)
Description: <p>Rain ratio of POC to PIC.</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
1353
https://datadocs.bco-dmo.org/file/wnnxNO0CyyDO9N/KN207-01_flux.csv
KN207-01_flux.csv
Primary data file for dataset ID 555879
download
https://osprey.bco-dmo.org/dataset/555879/data/download
download
onLine
dataset
<p>Refer to Collins et al., <em>Global Biogeochem. Cycles </em>(2015), in review. Excerpted from methods section:</p>
<p>Vertically sinking particulate carbon fluxes were measured at 50, 150, and 300 meters using surface-tethered cylindrical sediment traps (0.0125 m2 cross-sectional area; materials and construction as described in McDonnell and Buesseler, 2012). A mooring consisting of four traps at each depth, a surface buoy, wave-action mitigation bungee cord, and several floats, was deployed at each process station and allowed to drift for 3-5 days. The quasi-Lagrangian behavior of the mooring during each deployment was confirmed by comparison of positional data obtained from an Argos satellite beacon mounted on the surface buoy with shipboard acoustic Doppler current profiler (ADCP) data from the R/V Knorr, which trailed the mooring at a range of 1-2 miles.</p>
<p>Traps were prepared, deployed, and recovered as described in McDonnell and Buesseler (2012). Traps were then sampled for particulate carbon in accordance with McDonnell and Buesseler (2012), except that the screened brine suspension (350 um pore size, to exclude macrozooplankton) was filtered onto a series of precombusted, 47 mm GF/F filters (0.7 um nominal pore size). Field and analytical blanks were collected at each station. Filters were immediately frozen in liquid nitrogen and then stored at -80 degrees C.</p>
<p>Filters from three of the four traps at each depth were used for determination of total particulate and particulate inorganic carbon (TPC and PIC, respectively). After thawing, the filters (including blanks) were first dried at 70 degrees C in a drying oven; each filter was then weighed and cut in half with precombusted stainless steel scissors. Each half was then weighed separately. One half was reserved for PIC analysis and the other reserved for determination of TPC.</p>
<p>For TPC, sets of filter halves were transferred to 12 mm by 20 cm precombusted quartz tubes containing copper oxide (100 mg) and elemental silver wires. The tubes were then attached to a vacuum line, evacuated, flame-sealed, and combusted at 850 degrees C for 10 h. The evolved carbon dioxide was then isolated through a series of cold traps and quantified manometrically. PIC was determined from the other set of filter halves by coulometric analysis of acidified samples using a Model CM5014 UIC Coulometric Analyzer with Carbonate Acidification Module, as described in Honjo et al. (1995). Particulate organic carbon (POC) was determined for each trap by difference of the blank-corrected TPC and PIC measurements.</p>
<p><strong>References:</strong><br />
Collins, J. R., B. R. Edwards, K. Thamatrakoln, J. E. Ossolinksi, G. R. DiTullio, K. D. Bidle, S. C. Doney, and B. A. S. Van Mooy (2015), The multiple fates of sinking particles in the North Atlantic Ocean, <em>Global Biogeochem. Cycles, </em>in review.</p>
<p>McDonnell, A. M. P., and K. O. Buesseler (2012), A new method for the estimation of sinking particle fluxes from measurements of the particle size distribution, average sinking velocity, and carbon content, <em>Limnol Oceanogr-Meth</em>, <em>10</em>, 329-346, doi:<a href="http://dx.doi.org/10.4319/Lom.2012.10.329" target="_blank">10.4319/Lom.2012.10.329</a>.</p>
<p>Honjo, S., J. Dymond, R. Collier, and S. J. Manganini (1995), Export production of particles to the interior of the equatorial Pacific Ocean during the 1992 EqPac experiment, <em>DSR</em>, <em>42</em>(2–3), 831-870, doi:<a href="http://dx.doi.org/10.1016/0967-0645(95)00034-N" target="_blank">10.1016/0967-0645(95)00034-N</a>.</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO processing notes:<br />
- Modified parameter names to conform with BCO-DMO naming conventions.<br />
- Modified format of date/time to fit ISO8601 format.</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
Model CM5014 UIC Coulometric Analyzer
Model CM5014 UIC Coulometric Analyzer
PI Supplied Instrument Name: Model CM5014 UIC Coulometric Analyzer PI Supplied Instrument Description:PIC was determined from the other set of filter halves by coulometric analysis of acidified samples using a Model CM5014 UIC Coulometric Analyzer with Carbonate Acidification Module, as described in Honjo et al. (1995). Instrument Name: CO2 Coulometer Instrument Short Name:CO2 coulometer Instrument Description: A CO2 coulometer semi-automatically controls the sample handling and extraction of CO2 from seawater samples. Samples are acidified and the CO2 gas is bubbled into a titration cell where CO2 is converted to hydroxyethylcarbonic acid which is then automatically titrated with a coulometrically-generated base to a colorimetric endpoint. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB12
PIT sediment trap
PIT sediment trap
PI Supplied Instrument Name: PIT sediment trap PI Supplied Instrument Description:Vertically sinking particulate carbon fluxes were measured at 50, 150, and 300 meters using surface-tethered cylindrical sediment traps (0.0125 m2 cross-sectional area; materials and construction as described in McDonnell and Buesseler, 2012). Instrument Name: Sediment Trap - Particle Interceptor Instrument Short Name:Sed Trap - Part Int Instrument Description: A Particle Interceptor Trap is a prototype sediment trap designed in the mid 1990s to segregate 'swimmers' from sinking particulate material sampled from the water column. The prototype trap used 'segregation plates' to deflect and segregate 'swimmers' while a series of funnels collected sinking particles in a chamber (see Dennis A. Hansell and Jan A. Newton. September 1994. Design and Evaluation of a "Swimmer"-Segregating Particle Interceptor Trap, Limnology and Oceanography, Vol. 39, No. 6, pp. 1487-1495). Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/33/
Cruise: KN207-01
KN207-01
R/V Knorr
Community Standard Description
International Council for the Exploration of the Sea
R/V Knorr
vessel
KN207-01
Benjamin A.S. Van Mooy
Woods Hole Oceanographic Institution
R/V Knorr
Community Standard Description
International Council for the Exploration of the Sea
R/V Knorr
vessel