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     data   graph     files  public Cyclic voltametry data from cathodic poised potential experiments with subsurface crustal
samples from CORK borehole observatories at North Pond on the Mid-Atlantic Ridge during R/V
Atlantis cruise AT39-01
   ?     I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_780248

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson
attribute NC_GLOBAL acquisition_description String Samples for this study come from CORK observatories installed at IODP Holes
U1382A and U1383C as described elsewhere (Edwards et al., 2012b). In brief,
instrument strings containing OsmoSampler systems (Wheat et al., 2011) were
deployed at different depths within the holes from 2011-2017. Additional
OsmoSampler systems were deployed at the wellhead of the CORKs in 2014 and
were inoculated with bottom seawater, making them useful for identifying
differences between crustal subsurface and bottom seawater inoculated
microbial communities. OsmoSampler systems included Flow-through Osmo
Colonization Systems (FLOCS) for mineral colonization experiments, as
described elsewhere (Ramrez et al., 2019). Each FLOCS contained sterile
(autoclaved and ethanol-rinsed) substrates including crushed basalts, pyrite,
pyrrhotite, or inert glass beads housed within polycarbonate cassettes and
sleeves. Fluids were introduced into the FLOCS via the OsmoSampler pumps,
allowing fluid microbial communities to colonize the substrates.

All FLOCS were recovered in October 2017 during cruise AT39-01 of the RV
Atlantis with the ROV Jason (Woods Hole Oceanographic Institution) following
methods described elsewhere (Ramrez et al., 2019). In brief, the instrument
strings with the downhole FLOCS were pulled up to the ship on a wire, then
immediately disassembled to store the FLOCS in a cold room. Wellhead FLOCS
incubated in milkcrates attached to crustal fluid umbilicals at the seafloor
were also collected on this cruise with the ROV. FLOCS contents were
distributed inside an ethanol-rinsed and UV-irradiated HEPA-filtered hood
using sterile instruments. Substrates for the experiment were stored cold
(2-4C) and in the dark in sterile centrifuge tubes with ultrafiltered (0.22
m-mesh Millipore Sterivex and 0.02 m-mesh Whatman Anotop 25 filters) crustal
fluid until incubation at the shore-based laboratory. Parallel samples for
initial characterization of the substrate biofilms were transferred to sterile
cyrovials, flash frozen with liquid nitrogen, and stored at -80C until
analysis. In addition to the FLOCS samples, 4-10L samples of raw and
unfiltered crustal fluids were collected into ethanol-rinsed cubitainers after
collection into gamma-irradiated bags on the seafloor using a Mobile Pumping
System. Cubitainers were stored cold (2-4C) and in the dark for approximately
one year before beginning the experiments.

A detailed description of the cathodic poised potential protocol used is
available elsewhere (Jones and Orcutt, 2019). In brief, glass two-cell, three-
electrode MFC systems (Adams and Chittenden, CA, USA) were used as incubations
chambers, run in parallel with a multichannel potentiostat (model CHI1030C,
CHI Instruments, TX, USA). Nafion 117 proton exchange membrane (Fuel Cell
Store, TX) separated the half-cells. Cells were filled with distilled water
and autoclaved prior to filling with media and sample inocula. Ag/AgCl
reference electrodes (Gamry Instruments, PA, USA part 932-00018 and/or
Analytical Instrument Systems, NY, USA) were calibrated before each run by
immersion in 3 M NaCl and compared against a known electrode kept only for
that purpose (max +/- 20 mV drift from the value of lab master electrode).
Working electrodes (WEs) were 2 4 cm2 Indium Tin Oxide (ITO) coated glass
slides (Delta Technologies Ltd, CO, USA part CB-50IN-1111), constructed for
MFC as described elsewhere (Rowe et al., 2015). Counter electrodes (CEs) were
carbon cloth with a 4 4 cm2 surface area. Electrodes were sterilized by
rinsing with 80% ethanol, air-drying, then exposing to UV radiation for 15
minutes per side.

Each experiment consisted of five treatments: Three MFCs filled with buffered
and double autoclaved crustal fluid (cool and oxic), inoculated with samples,
and incubated with a WE set poised at -200 mV versus a standard hydrogen
electrode (SHE) referred to as the Echem treatments; one MFC filled with the
same fluid and WE but without any sample inoculum referred to as the Fluid
treatment; and one glass bottle with a mixed sample inoculum and ITO electrode
without any voltage applied referred to as the Offline treatment. Samples were
transferred into the MFCs in HEPA-filtered, UV-irradiated biosafety cabinet or
hood using sterile tools. An aliquot of each sample was also collected into a
sterile plastic tube for microbial community analysis representing a time zero
(T0) condition that may have changed from the Shipboard (SB) initial
condition. For the Echem and Fluid treatments, the counter cell redox couple
was H2O/O2. Testing (data not shown) determined that a strong kill control
method was necessary to achieve sterility of the crustal fluid, consisting of
1 h autoclaving at 121C, incubation at room temperature in the dark for ~24 h
to allow for spore germination, and then another 1 h autoclaving at 121C
before cooling down to 4C for the addition of substrate. Sodium bicarbonate
was added to the media (0.1 M) as a buffer. MFCs were incubated at 4C in the
dark.

Once the MFCs were constructed, a cyclic voltammetry (CV) sweep was performed
for each cell with the potentiostat before each poised potential experiment at
a scan rate of 0.1 V s-1 and sample interval of 0.001 V, across -1 to 1 V
range. Then the chronoamperometry (CA) experiments began by applying a
constant voltage (-200 mV versus SHE) to the Echem and Fluid MFCs. Current
generation was monitored and recorded until current changes began to decline
after a period of approximately 15 days. At the end of each CA experiment, two
further CV sweeps were performed: one with the incubated ITO electrode (Tend
i) and one with a fresh ITO electrode dipped into the incubated media (Tend
ii).
attribute NC_GLOBAL awards_0_award_nid String 707761
attribute NC_GLOBAL awards_0_award_number String OCE-1536539
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1536539 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String Barbara Ransom
attribute NC_GLOBAL awards_0_program_manager_nid String 661067
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String AT39-01 CathodicEET CyclicVoltametry
PI: Beth Orcutt
Data Version 1: 2020-02-03
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2019-10-30T19:29:30Z
attribute NC_GLOBAL date_modified String 2020-02-11T16:02:49Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.780248.1
attribute NC_GLOBAL Easternmost_Easting double -46.053
attribute NC_GLOBAL geospatial_lat_max double 22.8023
attribute NC_GLOBAL geospatial_lat_min double 22.7564
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -46.053
attribute NC_GLOBAL geospatial_lon_min double -46.0817
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/780248 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String unknown
attribute NC_GLOBAL instruments_0_dataset_instrument_description String multichannel potentiostat (model CHI1030C, CHI Instruments, TX, USA)

attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 783340
attribute NC_GLOBAL instruments_0_description String No relevant match in BCO-DMO instrument vocabulary.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/999/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String unknown
attribute NC_GLOBAL instruments_0_instrument_nid String 575
attribute NC_GLOBAL instruments_0_supplied_name String multichannel potentiostat CHI1030C
attribute NC_GLOBAL keywords String average, bco, bco-dmo, biological, ch1, CH1_a, CH1_average, CH1_b, CH1_c, ch2, CH2_a, CH2_average, CH2_b, CH2_c, ch3, CH3_a, CH3_average, CH3_b, CH3_c, ch4, CH4_a, CH4_average, CH4_b, CH4_c, chemical, condition, cruise, data, dataset, date, depth, dmo, erddap, experiment, ExperimentID, flocsdeploy, flocsdepth, flocsrecover, FLOCSrecoverDate, fluidcollection, FluidcollectionCruise, FluidcollectionDate, latitude, longitude, management, oceanography, office, preliminary, time, voltage, water, WaterDepth
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/780248/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/780248 (external link)
attribute NC_GLOBAL Northernmost_Northing double 22.8023
attribute NC_GLOBAL param_mapping String {'780248': {'Latitude': 'master - latitude', 'Longitude': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/780248/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Bigelow Laboratory for Ocean Sciences
attribute NC_GLOBAL people_0_person_name String Beth N. Orcutt
attribute NC_GLOBAL people_0_person_nid String 565799
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Amber York
attribute NC_GLOBAL people_1_person_nid String 643627
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String North Pond 2017
attribute NC_GLOBAL projects_0_acronym String North Pond 2017
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:
Seawater circulates through the upper part of the oceanic crust much like groundwater flows through continental aquifers. However, in the ocean this seawater circulation, many times heated by buried magmatic bodies, transports and releases 25% of the Earth's heat. The rate of fluid flow through ocean crust is estimated to be equal to the amount of water delivered by rivers to the ocean. Much of what we know of this subseafloor fluid flow comes from studies in the eastern Pacific Ocean on ocean crust created by medium and fast spreading mid-ocean ridges. These studies indicate that seawater and its circulation through the seafloor significantly impact crustal evolution and biogeochemical cycles in the ocean and affect the biosphere in ways that are just now beginning to be quantified and understood. To expand this understanding, this research focuses on fluid flow of seafloor generated by slow spreading ridges, like those in the Atlantic, Indian and Arctic Oceans because it is significantly different in structure, mineralogy, and morphology than that formed at fast and intermediate spreading ridges. This research returns to North Pond, a long-term; seafloor; fluid flow monitoring site, drilled and instumented by the Ocean Drilling Program in the Atlantic Ocean. This research site was punctured by boreholes in which fluid flow and geochemical and biological samplers have been deployed for a number of years to collect data and samples. It also provides resources for shipboard and on-shore geochemical and biological analysis. Broader impacts of the work include sensor and technology development, which increases infrastructure for science and has commercial applications. It also provides training for students and the integration of education and research at three US academic institutions, one of which is an EPSCoR state (Mississippi), and supports a PI whose gender is under-represented in sciences and engineering. Public outreach will be carried out in conjunction with the Center for Dark Energy Biosphere Investigations.
This project completes a long-term biogeochemical and hydrologic study of ridge flank hydrothermal processes on slow-spreading, 8 million year old crust on the western flank of the Mid-Atlantic Ridge. The site, North Pond, is an isolated northeast-trending sediment pond, bounded by undersea mountains that have been studied since the 1970s. During Integrated Ocean Drilling Program Expedition 336 in 2011 and an expedition five months later (2012), sensors, samplers, and experiments were deployed in four borehole observatories drilled into the seafloor that penetrated into volcanic crust, with the purpose of monitoring changes in hydrologic properties, crustal fluid composition and mineral alteration, among other objectives. Wellhead sampling in 2012 and 2014 already revealed changes in crustal fluid compositions; and associated pressure data confirm that the boreholes are sealed and overpressured, reflecting a change in the formation as the boreholes recover from drilling disturbances. This research includes a 13-day oceanographic expedition and use of on-site robotically operated vehicles to recover downhole instrument packages at North Pond. It will allow the sampling of crustal fluids, recovering pressure data, and measuring fluid flow rates. Ship- and shore-based analyses will be used to address fundamental questions related to the hydrogeology of hydrothermal processes on slow-spread crust.
attribute NC_GLOBAL projects_0_end_date String 2018-09
attribute NC_GLOBAL projects_0_geolocation String North Pond, Mid-Atlantic Ridge flank CORKs
attribute NC_GLOBAL projects_0_name String Collaborative Research: Completing North Pond Borehole Experiments to Elucidate the Hydrology of Young, Slow-Spread Crust
attribute NC_GLOBAL projects_0_project_nid String 707762
attribute NC_GLOBAL projects_0_project_website String http://www.darkenergybiosphere.org/research-activities/field-sites/ (external link)
attribute NC_GLOBAL projects_0_start_date String 2015-10
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 22.7564
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Cyclic voltametry data from cathodic poised potential experiments with subsurface crustal samples from CORK borehole observatories at North Pond on the Mid-Atlantic Ridge during R/V Atlantis cruise AT39-01.
attribute NC_GLOBAL title String Cyclic voltametry data from cathodic poised potential experiments with subsurface crustal samples from CORK borehole observatories at North Pond on the Mid-Atlantic Ridge during R/V Atlantis cruise AT39-01
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -46.0817
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable voltage   float  
attribute voltage _FillValue float NaN
attribute voltage actual_range float -1.0, 1.0
attribute voltage bcodmo_name String unknown
attribute voltage description String Voltage applied in the cyclic voltametry sweep
attribute voltage long_name String Voltage
attribute voltage units String voltage (V)
variable CH1_a   float  
attribute CH1_a _FillValue float NaN
attribute CH1_a actual_range float -0.00386, 0.00271
attribute CH1_a bcodmo_name String unknown
attribute CH1_a description String current recorded on the first cyclic voltemetry scan of the Channel 1 electrode
attribute CH1_a long_name String CH1 A
attribute CH1_a units String amps (A)
variable CH1_b   float  
attribute CH1_b _FillValue float NaN
attribute CH1_b actual_range float -0.00322, 0.00258
attribute CH1_b bcodmo_name String unknown
attribute CH1_b description String current recorded on the second cyclic voltemetry scan of the Channel 1 electrode
attribute CH1_b long_name String CH1 B
attribute CH1_b units String amps (A)
variable CH1_c   float  
attribute CH1_c _FillValue float NaN
attribute CH1_c actual_range float -0.00315, 0.0021
attribute CH1_c bcodmo_name String unknown
attribute CH1_c description String current recorded on the third cyclic voltemetry scan of the Channel 1 electrode
attribute CH1_c long_name String CH1 C
attribute CH1_c units String amps (A)
variable CH2_a   float  
attribute CH2_a _FillValue float NaN
attribute CH2_a actual_range float -0.0013, 8.16E-4
attribute CH2_a bcodmo_name String unknown
attribute CH2_a description String current recorded on the first cyclic voltemetry scan of the Channel 2 electrode
attribute CH2_a long_name String CH2 A
attribute CH2_a units String amps (A)
variable CH2_b   float  
attribute CH2_b _FillValue float NaN
attribute CH2_b actual_range float -0.00232, 0.00353
attribute CH2_b bcodmo_name String unknown
attribute CH2_b description String current recorded on the second cyclic voltemetry scan of the Channel 2 electrode
attribute CH2_b long_name String CH2 B
attribute CH2_b units String amps (A)
variable CH2_c   float  
attribute CH2_c _FillValue float NaN
attribute CH2_c actual_range float -0.00222, 0.00366
attribute CH2_c bcodmo_name String unknown
attribute CH2_c description String current recorded on the third cyclic voltemetry scan of the Channel 2 electrode
attribute CH2_c long_name String CH2 C
attribute CH2_c units String amps (A)
variable CH3_a   float  
attribute CH3_a _FillValue float NaN
attribute CH3_a actual_range float -0.00146, 0.00103
attribute CH3_a bcodmo_name String unknown
attribute CH3_a description String current recorded on the first cyclic voltemetry scan of the Channel 3 electrode
attribute CH3_a long_name String CH3 A
attribute CH3_a units String amps (A)
variable CH3_b   float  
attribute CH3_b _FillValue float NaN
attribute CH3_b actual_range float -0.00202, 9.27E-4
attribute CH3_b bcodmo_name String unknown
attribute CH3_b description String current recorded on the second cyclic voltemetry scan of the Channel 3 electrode
attribute CH3_b long_name String CH3 B
attribute CH3_b units String amps (A)
variable CH3_c   float  
attribute CH3_c _FillValue float NaN
attribute CH3_c actual_range float -0.00124, 8.64E-4
attribute CH3_c bcodmo_name String unknown
attribute CH3_c description String current recorded on the third cyclic voltemetry scan of the Channel 3 electrode
attribute CH3_c long_name String CH3 C
attribute CH3_c units String amps (A)
variable CH4_a   float  
attribute CH4_a _FillValue float NaN
attribute CH4_a actual_range float -0.00132, 9.8E-4
attribute CH4_a bcodmo_name String unknown
attribute CH4_a description String current recorded on the first cyclic voltemetry scan of the Channel 4 electrode
attribute CH4_a long_name String CH4 A
attribute CH4_a units String amps (A)
variable CH4_b   float  
attribute CH4_b _FillValue float NaN
attribute CH4_b actual_range float -0.00193, 0.00231
attribute CH4_b bcodmo_name String unknown
attribute CH4_b description String current recorded on the second cyclic voltemetry scan of the Channel 4 electrode
attribute CH4_b long_name String CH4 B
attribute CH4_b units String amps (A)
variable CH4_c   float  
attribute CH4_c _FillValue float NaN
attribute CH4_c actual_range float -0.00142, 0.00233
attribute CH4_c bcodmo_name String unknown
attribute CH4_c description String current recorded on the third cyclic voltemetry scan of the Channel 4 electrode
attribute CH4_c long_name String CH4 C
attribute CH4_c units String amps (A)
variable CH1_average   float  
attribute CH1_average _FillValue float NaN
attribute CH1_average actual_range float -425.0, 265.0
attribute CH1_average bcodmo_name String unknown
attribute CH1_average description String average current density of the Channel 1 electrode
attribute CH1_average long_name String CH1 Average
attribute CH1_average units String microamps per square centimeter (A cm-2)
variable CH2_average   float  
attribute CH2_average _FillValue float NaN
attribute CH2_average actual_range float -284.0, 449.0
attribute CH2_average bcodmo_name String unknown
attribute CH2_average description String average current density of the Channel 2 electrode
attribute CH2_average long_name String CH2 Average
attribute CH2_average units String microamps per square centimeter (A cm-2)
variable CH3_average   float  
attribute CH3_average _FillValue float NaN
attribute CH3_average actual_range float -159.0, 117.0
attribute CH3_average bcodmo_name String unknown
attribute CH3_average description String average current density of the Channel 3 electrode
attribute CH3_average long_name String CH3 Average
attribute CH3_average units String microamps per square centimeter (A cm-2)
variable CH4_average   float  
attribute CH4_average _FillValue float NaN
attribute CH4_average actual_range float -189.0, 290.0
attribute CH4_average bcodmo_name String unknown
attribute CH4_average description String average current density of the Channel 4 electrode
attribute CH4_average long_name String CH4 Average
attribute CH4_average units String microamps per square centimeter (A cm-2)
variable ExperimentID   String  
attribute ExperimentID bcodmo_name String exp_id
attribute ExperimentID description String Text description of experiment with microbial fuel cells; values of NP11, NP12, NP13, NP14 or NP15
attribute ExperimentID long_name String Experiment ID
attribute ExperimentID units String unitless
variable Condition   String  
attribute Condition bcodmo_name String sample_descrip
attribute Condition description String Condition.  T0 = Cyclic voltametry (CV) analysis at Time Zero - before the chronoamperometry (CA) experiment.  Tendi = CV analysis at Time end - immediately after the CA experiment. Tendii = CV analysis performed on the same experiment, with a new electrode replacing the original one.
attribute Condition long_name String Condition
attribute Condition units String unitless
variable FLOCSdeployDate   String  
attribute FLOCSdeployDate bcodmo_name String date
attribute FLOCSdeployDate description String Date of the FLOCS deployment, in ISO 8601 format yyyy-mm-dd
attribute FLOCSdeployDate long_name String FLOCSdeploy Date
attribute FLOCSdeployDate nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute FLOCSdeployDate source_name String FLOCSdeployDate
attribute FLOCSdeployDate time_precision String 1970-01-01
attribute FLOCSdeployDate units String unitless
variable FLOCSdepth   String  
attribute FLOCSdepth bcodmo_name String meters below seafloor
attribute FLOCSdepth description String Approximate depth, in meters below seafloor, where the FLOCS experiment was deployed
attribute FLOCSdepth long_name String FLOCSdepth
attribute FLOCSdepth units String meters below seafloor (m)
variable FLOCSrecoverDate   String  
attribute FLOCSrecoverDate bcodmo_name String date
attribute FLOCSrecoverDate description String Date of the FLOCS recovery, in ISO 8601 format yyyy-mm-dd
attribute FLOCSrecoverDate long_name String FLOCSrecover Date
attribute FLOCSrecoverDate nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute FLOCSrecoverDate time_precision String 1970-01-01
attribute FLOCSrecoverDate units String unitless
variable FluidcollectionCruise   String  
attribute FluidcollectionCruise bcodmo_name String cruise_id
attribute FluidcollectionCruise description String Name of the cruise and ROV Jason dive number when the crustal fluid was collected; values of AT39-01 (R/V Atlantis cruise AT39-01) + J2-#### (ROV Jason dive number)
attribute FluidcollectionCruise long_name String Fluidcollection Cruise
attribute FluidcollectionCruise units String unitless
variable FluidcollectionDate   String  
attribute FluidcollectionDate bcodmo_name String date
attribute FluidcollectionDate description String Date of the collection of the crustal fluids, in ISO 8601 format yyyy-mm-dd
attribute FluidcollectionDate long_name String Fluidcollection Date
attribute FluidcollectionDate nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute FluidcollectionDate time_precision String 1970-01-01
attribute FluidcollectionDate units String unitless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 22.7564, 22.8023
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Degree decimal minutes N latitude of the FLOCS experiment
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -46.0817, -46.053
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Degree decimal minates W longitude of the FLOCS experiment
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable WaterDepth   short  
attribute WaterDepth _FillValue short 32767
attribute WaterDepth actual_range short 4414, 4483
attribute WaterDepth bcodmo_name String depth_w
attribute WaterDepth description String water depth to seafloor of the IODP Hole
attribute WaterDepth long_name String Water Depth
attribute WaterDepth units String meters (m)

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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