http://lod.bco-dmo.org/id/dataset/685427
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
2017-03-22
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
All measurements used in the gross oxygen production estimates; from samples collected on R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) station in 2013 and 2014
2017-03-22
publication
2017-03-22
revision
BCO-DMO Linked Data URI
2017-03-22
creation
http://lod.bco-dmo.org/id/dataset/685427
William Haskell
University of California-Santa Barbara
principalInvestigator
Douglas E. Hammond
University of Southern California
principalInvestigator
Maria Prokopenko
Pomona College
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: Haskell, W., Prokopenko, M., Hammond, D. E. (2017) All measurements used in the gross oxygen production estimates; from samples collected on R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) station in 2013 and 2014. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 22 March 2017) Version Date 2017-03-22 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/685427 [access date]
All measurements used in the gross oxygen production estimates Dataset Description: <p>All measurements used in the gross oxygen production estimates. Measurements were made at the San Pedro Ocean Time-series (SPOT) station (33 33'N, 118 24'W). Data are also published in Table 3 in the following publication:<br />
Haskell, W. Z.,et al. 2017.&nbsp;Annual cyclicity in export efficiency in the inner Southern California Bight. Global Biogeochemical Cycles, 31. doi:<a href="http://dx.doi.org/10.1002/2016GB005561" target="_blank">10.1002/2016GB005561</a></p> Methods and Sampling: <p><strong>See complete methodology in Haskell et al. (2017). In summary:&nbsp;</strong><br />
This study is part of an effort aimed at characterizing the biological response to upwelling at SPOT on 21 cruises between January 2013 and June 2014; the Upwelling Regime In-Situ Ecosystem Efficiency (Up.R.I.S.E.E.) study.</p>
<p><strong>O2/Ar and Triple Oxygen Isotopes (TOI)</strong>: Samples for O2/Ar and TOI analysis were collected from Niskin bottles in 300 or 500 mL glass flasks equipped with airtight Louwers-Hapert valves (with three high-vacuum greased Viton O-rings in valve stem) and sidearms.&nbsp;Each bottle was poisoned with 150 uL saturated HgCl2, dried in an oven at 50 degrees C, preevacuated on a rotary vane vacuum pump (Pfeiffer Duo 2.5) for at least 5 min before evacuation on a stainless steel gas line using a turbo drag dry high vacuum pump (Alcatel Drytel 31). A vacuum of &lt;1 mtorr was reached and held for at least 5 min, then the bottle was weighed. After sampling, the samples were equilibrated with the headspace for ~12–24 h on a shaking table at University of Southern California (USC), weighed, and drained. The headspace was analyzed in the laboratory of R. Stanley (Woods Hole Oceanographic Institution) for O2 and Ar by peak jumping and for 18O16O (m/z 34) and 17O16O (m/z 33) using a Thermofisher MAT 253 multicollector isotope ratio mass spectrometry.&nbsp;The TOI values are reported relative to atmospheric air as a standard, for which clean Woods Hole air stored in an electropolished 2 L stainless steel cylinder was used.</p>
<p><strong>Gross Oxygen Production (GOP) Rates</strong>: Using estimates of vertical advection, diffusion, and gas exchange, we calculated the rates of GOP during each cruise. This dataset contains the calculated GOP rates, δ17O, δ18O, and 17Δ. Total euphotic zone GOP rates ranged from 161 +/- 44 mmol m-2 d-1 to 256 +/- 41 mmol m-2 d-1 in fall/winter,<br />
and 175 ± 58 mmol m-2 d-1 to 477 ± 155 mmol m-2 d-1 in spring.</p>
<p><strong>Oxygen mixed layer depths</strong> were determined as the depth at which the oxygen concentration was 0.5% different from the surface concentration. Oxygen was measured by using a Seabird SBE 43 oxygen sensor mounted on an SBE 9plus conductivity-temperature-depth (CTD) and calibrated by using Winkler titrations collected in duplicate at five depths on every CTD cast. For nine cruises (Up-13 to Up-21), the base of the euphotic zone was determined as the depth at which 1% of the surface photosynthetically available radiation (PAR) was measured. Prior to Up-13, there was no PAR sensor on the CTD unit. Since the deep chlorophyll a maximum (DCM, determined via CTD fluorescence) is almost always above the euphotic depth in the Southern California Bight, for the remainder of the cruises, the euphotic depth was defined as 10m below the DCM, except during Up-2, Up-3, and Up-4 because the DCM was within the mixed layer. For these three cruises, the euphotic depth is defined as 15m below the MLD.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1260296 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1260296
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1260692 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1260692
completed
William Haskell
University of California-Santa Barbara
Marine Science Institute, University of California
Santa Barbara
CA
93106
USA
haskell@ucsb.edu
pointOfContact
Douglas E. Hammond
University of Southern California
310-490-7896
3651 Trousdale Pkwy Earth Sciences ZHS117
Los Angeles
CA
90089-0740
USA
dhammond@usc.edu
pointOfContact
Maria Prokopenko
Pomona College
323-630-4068
185 E Sixth St
Claremont
CA
91711-4434
US
Maria.Prokopenko@pomona.edu
pointOfContact
asNeeded
Dataset Version: 22 March 2017
Unknown
site
lat
lon
cruise_id
MLD
EuphD
date
year
month
day
yrday
depth
O2_sat
O2
delta_17O
delta_18O
D17
SBE 9plus CTD
Thermofisher MAT 253 multicollector isotope ratio mass spectrometry
theme
None, User defined
site
latitude
longitude
Cruise identfier
mixed layer depth
depth_light_1
date
year
month of year
day of month
year day (Day of Year, or day of year and decimal time)
depth
No BCO-DMO term
dissolved Oxygen
featureType
BCO-DMO Standard Parameters
CTD Sea-Bird 9
Isotope-ratio Mass Spectrometer
Niskin bottle
instrument
BCO-DMO Standard Instruments
UpRISEE_SPOT_13-14
service
Deployment Activity
San Pedro Basin
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.
Collaborative Research: Use of Triple Oxygen Isotopes and O2/Ar to constrain Net/Gross Oxygen Production during upwelling and non-upwelling periods in a Coastal Setting
https://osprey.bco-dmo.org/project/675313
Collaborative Research: Use of Triple Oxygen Isotopes and O2/Ar to constrain Net/Gross Oxygen Production during upwelling and non-upwelling periods in a Coastal Setting
<p>The marine biological pump is one of the primary pathways via which anthropogenic carbon dioxide may be sequestered from the atmosphere and exported to the deep ocean as organic carbon. While the link between nutrient supply and high primary productivity in upwelling regions is well established, factors controlling the organic carbon export efficiency of upwelling ecosystems are not well known. Scientists from the University of Southern California and Pomona College plan to determine the factors that control the rates and magnitudes of two components of biological production, Net Community Production (NCP) and Gross Primary Production (GPP), as well as particulate organic carbon export efficiency, at the San Pedro Ocean Time Series, a coastal site in the California Borderland during periods of minimal and high upwelling velocity over a 2-year span. At this site, past and ongoing observations of hydrography and carbon rain will provide an historical context for interpreting results and mechanisms at work.</p>
<p>Rates of NCP and GPP will be quantified at different upwelling intensity, using dissolved oxygen to argon (O2/Ar) ratios and the oxygen triple isotope composition of dissolved oxygen (O2). The export of organic carbon will be established using 234Th (thorium) profiles in the water column, coupled with floating sediment trap deployments, and the development of a carbon isotope balance for the water column. Upwelling will be characterized using non-steady state budgets for atmospheric 7Be (beryllium) input and its depth-integrated decay, as well as estimating rates based on remote measurements of wind stress curl and budgets for dissolved inorganic carbon and silicon. Application of the O2/Ar ratio and the oxygen triple isotope approach will require depth-integrated profiles of these tracers to evaluate the impact of upwelling on mixed layer inputs and use of non-steady state models during seasonal transitions in upwelling. The comprehensive data set to be obtained should provide insights into the organic carbon export efficiency under variable upwelling regimes and help to relate the satellite-based measurements of chlorophyll to the organic carbon export of these highly productive ecosystems.</p>
<p>Broader Impacts: One graduate and one undergraduate student from the University of Southern California and two undergraduate students from Pomona College would be supported and trained as part of this project.</p>
UpRISEE O2 upwelling
largerWorkCitation
project
eng; USA
oceans
San Pedro Basin
-118.4
-118.4
33.55
33.55
2013-01-16
2014-06-19
Northeast Pacific Ocean
0
BCO-DMO catalogue of parameters from All measurements used in the gross oxygen production estimates; from samples collected on R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) station in 2013 and 2014
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/685443.rdf
Name: site
Units: unitless
Description: <p>Name of the site</p>
http://lod.bco-dmo.org/id/dataset-parameter/685444.rdf
Name: lat
Units: decimal degrees
Description: <p>Latitude of the site</p>
http://lod.bco-dmo.org/id/dataset-parameter/685445.rdf
Name: lon
Units: decimal degrees
Description: <p>Longitude of the site</p>
http://lod.bco-dmo.org/id/dataset-parameter/685446.rdf
Name: cruise_id
Units: unitless
Description: <p>Cruise identifier</p>
http://lod.bco-dmo.org/id/dataset-parameter/685447.rdf
Name: MLD
Units: meters (m)
Description: <p>Mixed layer depth; Oxygen mixed layer depths were determined as the depth at which the oxygen concentration was 0.5% different from the surface concentration.</p>
http://lod.bco-dmo.org/id/dataset-parameter/685448.rdf
Name: EuphD
Units: meters (m)
Description: <p>Euphotic depth; see "Acquisition Description" for methodology.</p>
http://lod.bco-dmo.org/id/dataset-parameter/685449.rdf
Name: date
Units: unitless
Description: <p>Date of sampling formatted as yyyy-mm-dd</p>
http://lod.bco-dmo.org/id/dataset-parameter/685450.rdf
Name: year
Units: unitless
Description: <p>4-digit year</p>
http://lod.bco-dmo.org/id/dataset-parameter/685451.rdf
Name: month
Units: unitless
Description: <p>2-digit month</p>
http://lod.bco-dmo.org/id/dataset-parameter/685452.rdf
Name: day
Units: unitless
Description: <p>2-digit day</p>
http://lod.bco-dmo.org/id/dataset-parameter/685453.rdf
Name: yrday
Units: unitless
Description: <p>Year day (sequential day of year, eg. Jan 1 = 1)</p>
http://lod.bco-dmo.org/id/dataset-parameter/685454.rdf
Name: depth
Units: meters (m)
Description: <p>Sample depth</p>
http://lod.bco-dmo.org/id/dataset-parameter/685455.rdf
Name: O2_sat
Units: micromolar (uM)
Description: <p>Oxygen saturation concentration calculated in mmol kg-1 using temperature and salinity measured by Seabird CTD (Garcia and Gordon, 1992), then converted to uM assuming a density of 1.0255 kg L-1.</p>
http://lod.bco-dmo.org/id/dataset-parameter/685456.rdf
Name: O2
Units: micromolar (uM)
Description: <p>O2 concentration</p>
http://lod.bco-dmo.org/id/dataset-parameter/685457.rdf
Name: delta_17O
Units: per mil
Description: <p>delta 17O. dO and 17D values calculated using atm O2 as reference material.</p>
http://lod.bco-dmo.org/id/dataset-parameter/685458.rdf
Name: delta_18O
Units: per mil
Description: <p>detla 18O</p>
http://lod.bco-dmo.org/id/dataset-parameter/685459.rdf
Name: D17
Units: per microgram (ug)
Description: <p>dO and 17D values calculated using atm O2 as reference material.</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
10131
https://datadocs.bco-dmo.org/file/933jo8ViRJXkWY/gross_O2_production.csv
gross_O2_production.csv
Primary data file for dataset ID 685427
download
https://osprey.bco-dmo.org/dataset/685427/data/download
download
onLine
dataset
<p><strong>See complete methodology in Haskell et al. (2017). In summary:&nbsp;</strong><br />
This study is part of an effort aimed at characterizing the biological response to upwelling at SPOT on 21 cruises between January 2013 and June 2014; the Upwelling Regime In-Situ Ecosystem Efficiency (Up.R.I.S.E.E.) study.</p>
<p><strong>O2/Ar and Triple Oxygen Isotopes (TOI)</strong>: Samples for O2/Ar and TOI analysis were collected from Niskin bottles in 300 or 500 mL glass flasks equipped with airtight Louwers-Hapert valves (with three high-vacuum greased Viton O-rings in valve stem) and sidearms.&nbsp;Each bottle was poisoned with 150 uL saturated HgCl2, dried in an oven at 50 degrees C, preevacuated on a rotary vane vacuum pump (Pfeiffer Duo 2.5) for at least 5 min before evacuation on a stainless steel gas line using a turbo drag dry high vacuum pump (Alcatel Drytel 31). A vacuum of &lt;1 mtorr was reached and held for at least 5 min, then the bottle was weighed. After sampling, the samples were equilibrated with the headspace for ~12–24 h on a shaking table at University of Southern California (USC), weighed, and drained. The headspace was analyzed in the laboratory of R. Stanley (Woods Hole Oceanographic Institution) for O2 and Ar by peak jumping and for 18O16O (m/z 34) and 17O16O (m/z 33) using a Thermofisher MAT 253 multicollector isotope ratio mass spectrometry.&nbsp;The TOI values are reported relative to atmospheric air as a standard, for which clean Woods Hole air stored in an electropolished 2 L stainless steel cylinder was used.</p>
<p><strong>Gross Oxygen Production (GOP) Rates</strong>: Using estimates of vertical advection, diffusion, and gas exchange, we calculated the rates of GOP during each cruise. This dataset contains the calculated GOP rates, δ17O, δ18O, and 17Δ. Total euphotic zone GOP rates ranged from 161 +/- 44 mmol m-2 d-1 to 256 +/- 41 mmol m-2 d-1 in fall/winter,<br />
and 175 ± 58 mmol m-2 d-1 to 477 ± 155 mmol m-2 d-1 in spring.</p>
<p><strong>Oxygen mixed layer depths</strong> were determined as the depth at which the oxygen concentration was 0.5% different from the surface concentration. Oxygen was measured by using a Seabird SBE 43 oxygen sensor mounted on an SBE 9plus conductivity-temperature-depth (CTD) and calibrated by using Winkler titrations collected in duplicate at five depths on every CTD cast. For nine cruises (Up-13 to Up-21), the base of the euphotic zone was determined as the depth at which 1% of the surface photosynthetically available radiation (PAR) was measured. Prior to Up-13, there was no PAR sensor on the CTD unit. Since the deep chlorophyll a maximum (DCM, determined via CTD fluorescence) is almost always above the euphotic depth in the Southern California Bight, for the remainder of the cruises, the euphotic depth was defined as 10m below the DCM, except during Up-2, Up-3, and Up-4 because the DCM was within the mixed layer. For these three cruises, the euphotic depth is defined as 15m below the MLD.</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Processing:<br />
-created separate columns for MLD and EuphD;<br />
-modified parameter names to conform with BCO-DMO naming conventions;<br />
-formatted date to yyyy-mm-dd;<br />
-added site name, lat, and lon from information on metadata form.</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
SBE 9plus CTD
SBE 9plus CTD
PI Supplied Instrument Name: SBE 9plus CTD PI Supplied Instrument Description:Oxygen was measured by using a Seabird SBE 43 oxygen sensor mounted on an SBE 9plus conductivity-temperature-depth (CTD). Instrument Name: CTD Sea-Bird 9 Instrument Short Name:CTD SBE 9 Instrument Description: The Sea-Bird SBE 9 is a type of CTD instrument package. The SBE 9 is the Underwater Unit and is most often combined with the SBE 11 Deck Unit (for real-time readout using conductive wire) when deployed from a research vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911. The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorometer, altimeter, etc.). Note that in most cases, it is more accurate to specify SBE 911 than SBE 9 since it is likely a SBE 11 deck unit was used. more information from Sea-Bird Electronics Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/130/
Thermofisher MAT 253 multicollector isotope ratio mass spectrometry
Thermofisher MAT 253 multicollector isotope ratio mass spectrometry
PI Supplied Instrument Name: Thermofisher MAT 253 multicollector isotope ratio mass spectrometry PI Supplied Instrument Description:O2 and Ar isotope ratios were measured on a Thermofisher MAT 253 multicollector isotope ratio mass spectrometry at Woods Hole Oceanographic Institution. 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/
PI Supplied Instrument Name: PI Supplied Instrument Description:Samples for O2/Ar and TOI analysis were collected from Niskin bottles. Instrument Name: Niskin bottle Instrument Short Name:Niskin bottle Instrument Description: A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24, or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc. Community Standard Description: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/
Cruise: UpRISEE_SPOT_13-14
UpRISEE_SPOT_13-14
R/V Yellowfin
R/V Yellowfin
vessel
R/V Yellowfin
R/V Yellowfin
vessel