BCO-DMO ERDDAP
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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 Microbial fuel cells (MFCs) were used to conduct cathodic poised potential\nexperiments as described in Jones et al. (in preparation). After cyclic\nvoltametry scanning of the indium tin oxide electrodes in the fuel cells at\nthe end of the experiment, the ITO electrodes were carefully removed from the\nMFCs and split into two sections using a diamond scribe and tweezers for\nmicroscopy and DNA analysis. One piece was serially dehydrated in ethanol\nsolutions (10 min steps each at 50:50, 60:40, 70:30, 80:20, 90:10 and 100:0\nratios of ethanol:distilled water) and hexamethyldisilizane (10 min) and air\ndried for 3 days in a HEPA-filtered biosafety cabinet in preparation for\nscanning electron microscopy (SEM), following methods available elsewhere\n(DAngelo and Orcutt, 2019). Dehydrated slide pieces were then mounted onto 12\n-mm-diameter SEM stubs with double-sided carbon tape, sputter coated with gold\nwith a Denton Vacuum Desk IV cold sputter instrument (Denton Vacuum LLC,\nMoorestown, NJ), and imaged with a Zeiss Supra25 SEM at between 5-10 kV and a\nworking distance between 3-9 mm.
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 SEM \n  PI: Beth N. Orcutt \n  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 2019-10-30T19:33:25Z
attribute NC_GLOBAL date_modified String 2020-02-11T16:02:38Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.780261.1
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/780261 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String SEM
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 780459
attribute NC_GLOBAL instruments_0_description String Scanning electron microscope
attribute NC_GLOBAL instruments_0_instrument_name String Scanning Electron Microscope
attribute NC_GLOBAL instruments_0_instrument_nid String 637895
attribute NC_GLOBAL instruments_0_supplied_name String Zeiss Supra25 field emission scanning microscope
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, cruise, data, dataset, date, depth, dmo, erddap, experiment, ExperimentID, flocsdeploy, flocsdepth, flocsrecover, FLOCSrecoverDate, flocssubstrate, fluidcollection, FluidcollectionCruise, FluidcollectionDate, imagelink, imagename, latitude, longitude, management, oceanography, office, preliminary, sample, SampleID, time, treatment, water, WaterDepth
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/780261/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/780261 (external link)
attribute NC_GLOBAL Northernmost_Northing double 22.8023
attribute NC_GLOBAL param_mapping String {'780261': {'Latitude': 'master - latitude', 'Longitude': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/780261/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:\nSeawater 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.\nThis 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 Scanning Electron Microscopy (SEM) photographs of biofilms on indium tin oxide electrodes 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 [AT39-01 CathodicEET SEM] - Scanning Electron Microscopy (SEM) photographs of biofilms on indium tin oxide electrodes from cathodic poised potential experiments with subsurface crustal samples from CORK borehole observatories at North Pond on the Mid-Atlantic Ridge during R/V A (Collaborative Research: Completing North Pond Borehole Experiments to Elucidate the Hydrology of Young, Slow-Spread Crust)
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 SampleID String
attribute SampleID bcodmo_name String sample
attribute SampleID description String Sample identifier (unique file names for .tif images)
attribute SampleID long_name String Sample ID
attribute SampleID nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute SampleID units String unitless
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 Treatment String
attribute Treatment bcodmo_name String treatment
attribute Treatment description String Treatment of the microbial fuel cell; values of Offline (with sample but no voltage applied), Fluid (with filtered fluid only/no sample and with voltage applied), or Echem (with sample and voltage applied)
attribute Treatment long_name String Treatment
attribute Treatment units String unitless
variable imagename String
attribute imagename bcodmo_name String file_name
attribute imagename description String Scanning Electron Microscopy (SEM) photograph imagename.
attribute imagename long_name String Imagename
attribute imagename units String unitless
variable FLOCSsubstrate String
attribute FLOCSsubstrate bcodmo_name String sample_descrip
attribute FLOCSsubstrate description String Description of the FLOCS sample type put into the microbial fuel cell; values of Mixed (a mixture of samples), NA (not applicable, no sample), Basalt, Glass Wool, or Pyrrhotite
attribute FLOCSsubstrate long_name String FLOCSsubstrate
attribute FLOCSsubstrate 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)
variable imagelink String
attribute imagelink bcodmo_name String file_link
attribute imagelink description String URL for SEM image
attribute imagelink long_name String Imagelink
attribute imagelink units String unitless

 
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