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Datasets
Dorado 2014: OsmoSampler fluid chemistry
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
URLhttp://www.bco-dmo.org/dataset/661481
Download URLhttp://www.bco-dmo.org/dataset/661481/data/download
Media Typetext/tab-separated-values
CreatedOctober 12, 2016
ModifiedJuly 3, 2017
StateFinal no updates expected
Brief DescriptionSpring and pore fluid chemistry from samples taken by OsmoSamplers

Acquisition Description

Continuous fluid samplers (OsmoSamplers) included a 12-membrane pump and one coil of Teflon tubing that was 300-m-long and small bore (1.1 mm ID). The tubing was initially filled with 18 MΩ distilled water. Upon retrieval, the Teflon coil was cut in 1.1 m lengths and the fluid was expelled into hot acid cleaned plastic microcentrifuge tubes. For more information about OsmoSamplers see the instruments page.

The R/V Atlantis cruise AT26-09 (2013 Jason/Sentry Expedition) deployed the OsmoSamplers. They were deployed for almost a full year.  The R/V Atlantis cruise AT26-24 recovered the OsmoSamplers.  Dorado Outcrop is off the west coast of Costa Rica in the Pacific Ocean at location 9 degrees 5.5 minutes north, 87 degrees 6.0 minutes west.  For more information about operations of this cruise see the expedition reports and cruise information (AT26-24, AT26-09).

Processing Description

Other than converting signal counts, voltages, etc. to concentrations, the data have not been processed further.

BCO-DMO Processing Notes:

* added conventional header with dataset name, PI name, version date
* modified parameter names to conform with BCO-DMO naming conventions
* added fields for OsmoSampler_name, date_deployed, date_recovered, location (e.g. Marker_K) from information in comments of original files submitted.
* Date format converted to ISO Date format

Instruments

OsmoSampler [osmotic pump]
Details
Instance Description (OsmoSampler)

OsmoSamplers are long-term osmotically pumped fluid samplers.  For more information see the following reference:

Jannasch Hans W. , Wheat C. Geoff , Plant Josh N. , Kastner Miriam , Stakes Debra S. , (2004),Continuous chemical monitoring with osmotically pumped water samplers: OsmoSampler design and applications, Limnol. Oceanogr. Methods, 2, doi:10.4319/lom.2004.2.102.

osmotic pump

A pump that uses osmotic pressure to collect water samples.

An example of an osmotic pump is an OsmoSampler (Jannasch et al., 2004) which has no electrical or mechanical parts.

References:

Jannasch Hans W. , Wheat C. Geoff , Plant Josh N. , Kastner Miriam , Stakes Debra S. , (2004),Continuous chemical monitoring with osmotically pumped water samplers: OsmoSampler design and applications, Limnol. Oceanogr. Methods, 2, doi:10.4319/lom.2004.2.102.

Parameters

OsmoSampler_name [instrument]
Details
OsmoSampler_name

Name of the OsmoSampler Instrument

instrument
instrument used to collect or process data, definition is specific to the data set in which it appears
date_deployed [date]
Details
date_deployed

Date of OsmoSampler deployment in ISO format YYYY-mm-dd

date

date; generally reported in GMT as YYYYMMDD (year; month; day); also as MMDD (month; day); EqPac dates are local Hawaii time. ISO_Date format is YYYY-MM-DD (http://www.iso.org/iso/home/standards/iso8601.htm)

date_recovered [date]
Details
date_recovered

Date of OsmoSampler recovery in ISO format YYYY-mm-dd

date

date; generally reported in GMT as YYYYMMDD (year; month; day); also as MMDD (month; day); EqPac dates are local Hawaii time. ISO_Date format is YYYY-MM-DD (http://www.iso.org/iso/home/standards/iso8601.htm)

location [site]
Details
location

Location of deployment

site
Sampling site identification.
sample_num [sample]
Details
sample_num

Sample number

sample

unique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent

date_calculated [date]
Details
date_calculated

Date of chemical analysis in ISO format YYYY-mm-dd

date

date; generally reported in GMT as YYYYMMDD (year; month; day); also as MMDD (month; day); EqPac dates are local Hawaii time. ISO_Date format is YYYY-MM-DD (http://www.iso.org/iso/home/standards/iso8601.htm)

DIC [DIC]
Details
DIC
Dissolved inorganic carbon
DIC

Dissolved Inorganic Carbon

DIC_stdev [standard deviation]
Details
DIC_stdev

Standard deviation of dissolved inorganic carbon

standard deviation
Generic standard deviation value, taking on the units of the parameter that it is tied to.
d13C_DIC [d13C_DIC]
Details
d13C_DIC
Stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC)
d13C_DIC

Stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC).

d13C_DIC_stdev [standard deviation]
Details
d13C_DIC_stdev

Standard deviation of the stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC)

standard deviation
Generic standard deviation value, taking on the units of the parameter that it is tied to.
V [V]
Details
V
Vanadium concentration
V

V (Vanadium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Rb [Rb]
Details
Rb
Rubidium concentration
Rb

Rb (rubidium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Mo [Mo]
Details
Mo
Molybdenum concentration
Mo

Mo (Molybdenum) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Cs [Cs]
Details
Cs
Cesium concentration
Cs

Cs (Cesium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Ba [Ba]
Details
Ba
Barium concentration
Ba

Ba (Barium). May be reported in parts per million, nanomoles per Liter, or other units. Refer to dataset metadata for units.

U [U]
Details
U
Uranium concentration
U

U (Uranium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Si [Si]
Details
Si

Silicon concentration

Si

Si (Silicon) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Sr [Sr]
Details
Sr
Strontium concentration
Sr

Sr (Strontium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Li [Li]
Details
Li
Lithium concentration
Li

Li (Lithium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

S [trace_element_conc]
Details
S
Sulfur concentration
trace_element_conc

Concentration of a trace element in seawater. Does not include trace metals and metaloids.  Refer to dataset for element name and units.

Periodic Table

Na [Na]
Details
Na
Sodium concentration
Na

Na (Sodium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Ca [Ca]
Details
Ca
Calcium concentration
Ca

Ca (Calcium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

Mg [Mg]
Details
Mg
Magnesium concentration
Mg

Mg (magnesium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

K [K]
Details
K
Potassium concentration
K

K (potassium) concentration. May be reported in parts per million, nanomoles/Liter, or other units. Refer to dataset metadata for units.

lat_approx [latitude]
Details
lat_approx

Approximate latitude of sampling area Dorado Outcrop

latitude

latitude, in decimal degrees, North is positive, negative denotes South; Reported in some datasets as degrees, minutes

lon_approx [longitude]
Details
lon_approx

Approximate longitude of sampling area Dorado Outcrop; west is negative

longitude

longitude, in decimal degrees, East is positive, negative denotes West; Reported in some datsets as degrees, minutes

Dataset Maintainers

NameAffiliationContact
Charles Geoffrey WheatUniversity of Alaska Fairbanks (UAF)✓
James McManusUniversity of Akron (UAkron)
Beth N. OrcuttBigelow Laboratory for Ocean Sciences
Andrew T. FisherUniversity of California-Santa Cruz (UC Santa Cruz)
Samuel M. HulmeMoss Landing Marine Laboratories (MLML)
Charles Geoffrey WheatUniversity of Alaska Fairbanks (UAF)✓
Amber YorkWoods Hole Oceanographic Institution (WHOI BCO-DMO)

BCO-DMO Project Info

Project TitleDiscovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
AcronymDorado Outcrop
URLhttp://www.bco-dmo.org/project/627844
CreatedNovember 30, 2015
ModifiedDecember 1, 2015
Project Description

Description from NSF award abstract:
Pristine fluids from a typical ridge-flank hydrothermal system have never been sampled, mainly because it has not been possible to locate a site of focused discharge where representative samples could be collected. The PIs have located a small basement feature, Dorado outcrop, on 23 m.y.-old seafloor on the eastern flank of the East Pacific Rise that they plan to sample to determine the fluid composition, and to assess the rate of discharge from the outcrop, so that they can quantify the chemical impact of this hydrothermal system. They plan an 18-day expedition that combines the surveying capabilities of the AUV Sentry (bathymetric, sub-bottom sonar, photo mosaics, water column anomalies) and an ocean-class vessel capable of collecting high-quality multi-beam data and CTD samples, and supporting the survey and sampling capabilities of the ROV Jason II for collection of spring and plume fluids, heat flow data, sediment push cores, and still and video photography. These data and samples will be combined hopefully to generate the first well-constrained estimates of hydrothermal flows from Dorado outcrop. This expedition will result in the collection of samples and data from a "fire hose" of ridge-flank, hydrothermal system, challenging the commonly held view that discharge from ridge flank hydrothermal systems occurs primarily from diffuse seeps.

Project Maintainers
NameAffiliationRoleContact
Charles Geoffrey WheatUniversity of Alaska Fairbanks (UAF-IMS)Principal Investigator✓
Andrew T. FisherUniversity of California-Santa Cruz (UC Santa Cruz)Principal Investigator
Samuel M. HulmeMoss Landing Marine Laboratories (MLML)Principal Investigator

Related Items

Awards
Awards > Research Grants
Award Dates: August 25, 2013 — February 24, 2016
Carbon dynamics in cool ridge-flank hydrothermal springs: The Dorado Outcrop of the eastern Pacific
PI: James McManus (Oregon State University; University of Akron)
Awards > Research Grants
Award Dates: December 1, 2012 — December 31, 2014
The Dorado Outcrop low-temperature ridge flank environment
PI: Beth N. Orcutt (Bigelow Laboratory for Ocean Science)
Datasets
Last Modified: July 3, 2017
Instruments: Temperature Logger
Dorado 2014: Continuous temperature at marker K
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Temperature Logger, Dissolved Oxygen Sensor
Dorado 2014: Temperature and DO from soloDO logger
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Aanderaa Oxygen Optodes, Temperature Logger
Dorado 2014: Discrete temperature and DO from Alvin
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Push Corer, Gravity Corer, Dissolved Oxygen Sensor, ROV Jason
Dorado 2014: Pore water dissolved oxygen from sediment gravity cores, and push cores
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Discrete water sampler, Inductively Coupled Plasma Mass Spectrometer, Inductively Coupled Plasma Optical Emission Spectrometer
Dorado 2014: Chemical composition of discrete hydrothermal syringe samples
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Gravity Corer, Inductively Coupled Plasma Optical Emission Spectrometer, Elemental Analyzer, Mass Spectrometer
Dorado 2014: Solid phase chemistry from gravity cores
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Push Corer, Inductively Coupled Plasma Optical Emission Spectrometer, Elemental Analyzer, Mass Spectrometer
Dorado 2014: Solid phase chemistry from push cores
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Push Corer, Inductively Coupled Plasma Optical Emission Spectrometer
Dorado 2014: Pore fluid chemistry from push cores
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York
Last Modified: July 3, 2017
Instruments: Gravity Corer, Inductively Coupled Plasma Optical Emission Spectrometer
Dorado 2014: Pore fluid chemistry from gravity cores
Data Project: Discovery, sampling, and quantification of flows from cool yet massive ridge-flank hydrothermal springs on Dorado Outcrop, eastern Pacific Ocean
Project Maintainers: Charles Geoffrey Wheat, Andrew T. Fisher, Samuel M. Hulme
Dataset Maintainers: Charles Geoffrey Wheat, James McManus, Beth N. Orcutt, Andrew T. Fisher, Samuel M. Hulme, Charles Geoffrey Wheat, Amber York

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