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,.odvTxt
attribute NC_GLOBAL acquisition_description String Sample Collection and Filtration  \n All seawater samples analyzed here for dissolved iron (dFe) concentration\nand isotope ratios (\\u03b456Fe) were collected between 21 November and 4\nDecember 2013 aboard the R/V Thomas G. Thompson as part of the U.S. GEOTRACES\nGP16 East Pacific Zonal Transect (Resing et al. 2015, Fitzsimmons et al. 2017,\nJohn et al. 2018). The EPZT encompassed 35 stations along an 8000 km transect\nthat traversed from Peru to Tahiti (Peters et al. 2017, Moffett & German\n2018). All seawater samples were collected as part of the standard U.S.\nGEOTRACES trace metal casts, using a trace metal clean carousel and CTD\n(Seabird) with a Kevlar conducting cable, fitted with 24 x 12-L Teflon-coated\nGO-Flo bottles (General Oceanics), following established GEOTRACES protocols\n(Cutter & Bruland 2012). Rosette deployments began with GO-Flo bottles open,\nallowing them to flush during deployment to depth, and the GO-Flo bottle was\nsubsequently tripped on ascent at ~3 m/min, to minimize chances of\ncontamination from rosette hardware. Upon recovery, GO-Flo bottles were\ntransferred immediately into a clean van for subsampling and were pressurized\nusing HEPA-filtered air. Each GO-Flo bottle was fitted with acid-cleaned\nTeflon tubing connected to a 0.2 um Acropak-200 capsule filter (Pall),\nallowing collection of filtered seawater for bulk dissolved Fe analysis into 4\nL acid-clean low-density polyethylene (LDPE) bottles, after three 10% volume\nseawater rinses of the caps and threads (Cutter et al. 2017). Filtered\nseawater from Station 26 at 2650 m and 2700 m depths were combined to achieve\nsufficient volume for ultrafiltration processing.\n \nUltrafiltration and Sample Processing  \n Immediately after sample collection and 0.2 um filtration, 1 L of the 4 L\nhomogenized sample was poured into a clean 1 L LDPE bottle for dissolved Fe\nanalysis, and the remaining sample (~ 3 L) was ultrafiltered. Ultrafiltration\ntook place using a cross flow filtration system (CFF) with a 10 kDa (~0.003 um\nfor globular proteins; Erickson et al. 2009) regenerated cellulose membrane\n(Pellicon XL PLCGC) in single-pass mode (see Fitzsimmons and Boyle 2014 for\ndetailed methods). Briefly, before collection, the CFF system was conditioned\nusing ~500 mL of sample seawater, and the sample bottles, caps, and threads\nwere rinsed with a minimal amount of ultrafiltered seawater. After\nconditioning, ~1 L of permeate (soluble fraction) and ~1 L of retentate were\ncollected into separate 1 L LDPE bottles. All samples were then acidified to\n0.012 M hydrochloric acid (HCl, Optima, Fisher) and stored for more than a\nyear before analysis. Soluble Fe (sFe) is defined as the concentration in the\npermeate solution.\n \nDissolved Fe Concentration Analysis  \n Iron concentrations in the dissolved, permeate, and retentate phases were\nanalyzed using a 15 mL aliquot of the 1 L samples. Samples were analyzed in\nthe Sherrell lab at Rutgers University with a SeaFAST pico system (ESI, Omaha,\nNE, USA) and Thermo Element 1 HR-ICPMS following the SeaFAST methods of\nLagerstrom et al. (2013). Samples were analyzed offline, as outlined by Jensen\net al. (2020).\n \nDissolved Fe isotope ratio (\\u03b456Fe) Analysis  \n Iron stable isotope ratios (\\u03b456Fe) were determined using a double-spike\nmulti-collector MC-ICPMS technique, based on Conway et al. (2013). All sample\nprocessing and Fe isotope analyses were carried out at the University of South\nFlorida (USF). Chemical processing of samples took place in ISO-5 laminar flow\nhoods within the Marine Metal Isotope and Trace Element ISO-6 clean laboratory\nat the USF College of Marine Science. All ultrapure water used was from a\nThermo Scientific Barnstead Genpure Ultrapure Water System; all plasticware\nwas cleaned using standard procedures (Conway et al. 2013); and all reagents\nwere Optima grade from Fisher Scientific. Briefly, the ~1 L of dissolved,\npermeate, and retentate seawater samples were spiked with a double spike\ncontaining 57Fe and 58Fe at a ratio of ~1:1, to provide a ~1:2 ratio of\nnatural:spike Fe in samples. Following spiking, samples were amended to 10 mM\nH\\u2082O\\u2082 and left for 24 h after spiking. Samples were then brought to\npH ~6, and Fe was extracted from seawater onto Nobias PA-1 chelating resin\nbeads using a batch extraction technique. The Fe was then eluted from the\nNobias resin using 3 M HNO\\u2083, evaporated to dryness, refluxed with a conc.\nHNO\\u2083 and conc. H\\u2082O\\u2082 mixture, evaporated to dryness, taken up in\n1 M HCl, and purified using an AGMP-1 (BioRad) anion-exchange column chemistry\ntechnique following Sieber et al. (2019). Following column purification,\nsamples were evaporated to dryness before being re-dissolved in 0.5 mL of 2%\nHNO\\u2083 (v/v) for analysis by MC-ICPMS.\n \nSamples were analyzed for Fe isotope ratios by Thermo Neptune Plus MC-ICPMS at\nUSF\\u2019s Tampa Bay Plasma Facility at the USF College of Marine Science.\nBriefly, samples were introduced via a ~100 \\u00b5L/min PFA nebulizer into an\nESI Apex \\u03a9 desolvator (with Ar but no N\\u2082 add gas), using a Ni Jet\nsampler cone and an Al X skimmer cone. Fe isotope ratios were measured using\nhigh resolution mode, and instrumental mass bias was corrected using the\ndouble spike technique. \\u03b456Fe were calculated following an iterative\nprocedure based on Siebert et al. (2001) and are expressed relative to the\nIRMM-014 international standard.\n \nProblem report: Filtered seawater from Station 26 at 2650 m and 2700 m depths\nwere combined to achieve sufficient volume for ultrafiltration processing.
attribute NC_GLOBAL awards_0_award_nid String 640077
attribute NC_GLOBAL awards_0_award_number String OCE-1234827
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1234827 (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 Henrietta N Edmonds
attribute NC_GLOBAL awards_0_program_manager_nid String 51517
attribute NC_GLOBAL awards_1_award_nid String 787554
attribute NC_GLOBAL awards_1_award_number String OCE-1713677
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1713677 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_1_funding_source_nid String 355
attribute NC_GLOBAL awards_1_program_manager String Henrietta N Edmonds
attribute NC_GLOBAL awards_1_program_manager_nid String 51517
attribute NC_GLOBAL awards_2_award_nid String 787559
attribute NC_GLOBAL awards_2_award_number String OCE-1434493
attribute NC_GLOBAL awards_2_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1434493 (external link)
attribute NC_GLOBAL awards_2_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_2_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_2_funding_source_nid String 355
attribute NC_GLOBAL awards_2_program_manager String Henrietta N Edmonds
attribute NC_GLOBAL awards_2_program_manager_nid String 51517
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Soluble & Dissolved Fe & Fe Isotopes \n   US GEOTRACES EPZT (GP16, TN303) \n  PI: Jessica Fitzsimmons & Janelle Steffen  (TAMU) \n  Co-PIs: Tim Conway (USF) & Robert Sherrell (Rutgers) \n  Version date: 16 July 2020
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 dataset_current_state String Final and no updates
attribute NC_GLOBAL date_created String 2020-07-15T21:01:55Z
attribute NC_GLOBAL date_modified String 2020-07-16T23:32:51Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.818707.1
attribute NC_GLOBAL Easternmost_Easting double -112.75
attribute NC_GLOBAL geospatial_lat_max double -11.671
attribute NC_GLOBAL geospatial_lat_min double -15.0
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -112.75
attribute NC_GLOBAL geospatial_lon_min double -128.0
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 2610.2
attribute NC_GLOBAL geospatial_vertical_min double 2000.8
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/818707 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String CTD Sea-Bird
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Trace metal clean carousel and CTD (Seabird) with a Kevlar conducting cable, fitted with 24 x 12-L Teflon-coated GO-Flo bottles (General Oceanics), was used to collect water and depth measurements following established GEOTRACES protocols.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 818799
attribute NC_GLOBAL instruments_0_description String Conductivity, Temperature, Depth (CTD) sensor package from SeaBird Electronics, no specific unit identified. This instrument designation is used when specific make and model are not known. See also other SeaBird instruments listed under CTD. More information from Sea-Bird Electronics.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/130/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String CTD Sea-Bird
attribute NC_GLOBAL instruments_0_instrument_nid String 447
attribute NC_GLOBAL instruments_0_supplied_name String Trace metal clean carousel and CTD (Seabird)
attribute NC_GLOBAL instruments_1_acronym String ICP Mass Spec
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Iron concentrations were analyzed in the Sherrell lab using a SeaFAST pico system (ESI, Omaha, NE, USA) and Thermo-Finnigan Element 1 HR-ICPMS following the SeaFAST methods of Lagerstrom et al., (2013).
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 818800
attribute NC_GLOBAL instruments_1_description String An ICP Mass Spec is an instrument that passes nebulized samples into an inductively-coupled gas plasma (8-10000 K) where they are atomized and ionized. Ions of specific mass-to-charge ratios are quantified in a quadrupole mass spectrometer.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB15/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Inductively Coupled Plasma Mass Spectrometer
attribute NC_GLOBAL instruments_1_instrument_nid String 530
attribute NC_GLOBAL instruments_1_supplied_name String Thermo-Finnigan Element 1 HR-ICPMS
attribute NC_GLOBAL instruments_2_acronym String ICP Mass Spec
attribute NC_GLOBAL instruments_2_dataset_instrument_description String Samples were analyzed for Fe isotope ratios by Thermo Neptune Plus MC-ICPMS at USF’s Tampa Bay Plasma Facility at the USF College of Marine Science.
attribute NC_GLOBAL instruments_2_dataset_instrument_nid String 818801
attribute NC_GLOBAL instruments_2_description String An ICP Mass Spec is an instrument that passes nebulized samples into an inductively-coupled gas plasma (8-10000 K) where they are atomized and ionized. Ions of specific mass-to-charge ratios are quantified in a quadrupole mass spectrometer.
attribute NC_GLOBAL instruments_2_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB15/ (external link)
attribute NC_GLOBAL instruments_2_instrument_name String Inductively Coupled Plasma Mass Spectrometer
attribute NC_GLOBAL instruments_2_instrument_nid String 530
attribute NC_GLOBAL instruments_2_supplied_name String Thermo Neptune Plus MC-ICPMS
attribute NC_GLOBAL instruments_3_acronym String GO-FLO Teflon TM
attribute NC_GLOBAL instruments_3_dataset_instrument_description String A trace metal clean carousel and CTD (Seabird) with a Kevlar conducting cable, fitted with 24 x 12-L Teflon-coated GO-Flo bottles (General Oceanics), was used to collect water and depth measurements following established GEOTRACES protocols.
attribute NC_GLOBAL instruments_3_dataset_instrument_nid String 818798
attribute NC_GLOBAL instruments_3_description String GO-FLO Teflon-lined Trace Metal free sampling bottles are used for collecting water samples for trace metal, nutrient and pigment analysis. The GO-FLO sampling bottle is designed specifically to avoid sample contamination at the surface, internal spring contamination, loss of sample on deck (internal seals), and exchange of water from different depths.
attribute NC_GLOBAL instruments_3_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/30/ (external link)
attribute NC_GLOBAL instruments_3_instrument_name String GO-FLO Teflon Trace Metal Bottle
attribute NC_GLOBAL instruments_3_instrument_nid String 533
attribute NC_GLOBAL instruments_3_supplied_name String Teflon-coated GO-Flo bottles (General Oceanics)
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, cast, cast_no, chemical, conc, conductivity, cruise, ctd, ctd_depth, data, dataset, date, delta, delta_56_dFe, delta_56_dFe_error, delta_56_dFe_flag, delta_56_sFe, delta_56_sFe_error, delta_56_sFe_flag, depth, dFe_conc, dFe_conc_error, dFe_conc_flag, dmo, erddap, error, event, event_no, flag, geotraces, geotraces_no, iso, latitude, longitude, management, oceanography, office, preliminary, sFe_conc, sFe_conc_error, sFe_conc_flag, sonde, station, station_no, temperature, time, time2
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/818707/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/818707 (external link)
attribute NC_GLOBAL Northernmost_Northing double -11.671
attribute NC_GLOBAL param_mapping String {'818707': {'ctd_depth': 'flag - depth', 'lat': 'flag - latitude', 'long': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/818707/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Texas A&M University
attribute NC_GLOBAL people_0_affiliation_acronym String TAMU
attribute NC_GLOBAL people_0_person_name String Jessica N. Fitzsimmons
attribute NC_GLOBAL people_0_person_nid String 51632
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 University of South Florida
attribute NC_GLOBAL people_1_affiliation_acronym String USF
attribute NC_GLOBAL people_1_person_name String Timothy M. Conway
attribute NC_GLOBAL people_1_person_nid String 51623
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String Rutgers University
attribute NC_GLOBAL people_2_person_name String Robert M. Sherrell
attribute NC_GLOBAL people_2_person_nid String 50919
attribute NC_GLOBAL people_2_role String Co-Principal Investigator
attribute NC_GLOBAL people_2_role_type String originator
attribute NC_GLOBAL people_3_affiliation String Texas A&M University
attribute NC_GLOBAL people_3_affiliation_acronym String TAMU
attribute NC_GLOBAL people_3_person_name String Janelle M. Steffen
attribute NC_GLOBAL people_3_person_nid String 818841
attribute NC_GLOBAL people_3_role String Student
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL people_4_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_4_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_4_person_name String Shannon Rauch
attribute NC_GLOBAL people_4_person_nid String 51498
attribute NC_GLOBAL people_4_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_4_role_type String related
attribute NC_GLOBAL project String U.S. GEOTRACES EPZT,GEOTRACES EPZT Suspended Particles
attribute NC_GLOBAL projects_0_acronym String U.S. GEOTRACES EPZT
attribute NC_GLOBAL projects_0_description String From the NSF Award Abstract\nThe mission of the International GEOTRACES Program (www.geotraces.org), of which the U.S. chemical oceanography research community is a founding member, is \"to identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions\" (GEOTRACES Science Plan, 2006). In the United States, ocean chemists are currently in the process of organizing a zonal transect in the eastern tropical South Pacific (ETSP) from Peru to Tahiti as the second cruise of the U.S.GEOTRACES Program. This Pacific section includes a large area characterized by high rates of primary production and particle export in the eastern boundary associated with the Peru Upwelling, a large oxygen minimum zone that is a major global sink for fixed nitrogen, and a large hydrothermal plume arising from the East Pacific Rise. This particular section was selected as a result of open planning workshops in 2007 and 2008, with a final recommendation made by the U.S.GEOTRACES Steering Committee in 2009. It is the first part of a two-stage plan that will include a meridional section of the Pacific from Tahiti to Alaska as a subsequent expedition.\nThis award provides funding for management of the U.S.GEOTRACES Pacific campaign to a team of scientists from the University of Southern California, Old Dominion University, and the Woods Hole Oceanographic Institution. The three co-leaders will provide mission leadership, essential support services, and management structure for acquiring the trace elements and isotopes samples listed as core parameters in the International GEOTRACES Science Plan, plus hydrographic and nutrient data needed by participating investigators. With this support from NSF, the management team will (1) plan and coordinate the 52-day Pacific research cruise described above; (2) obtain representative samples for a wide variety of trace metals of interest using conventional CTD/rosette and GEOTRACES Sampling Systems; (3) acquire conventional JGOFS/WOCE-quality hydrographic data (CTD, transmissometer, fluorometer, oxygen sensor, etc) along with discrete samples for salinity, dissolved oxygen (to 1 uM detection limits), plant pigments, redox tracers such as ammonium and nitrite, and dissolved nutrients at micro- and nanomolar levels; (4) ensure that proper QA/QC protocols are followed and reported, as well as fulfilling all GEOTRACES Intercalibration protocols; (5) prepare and deliver all hydrographic-type data to the GEOTRACES Data Center (and US data centers); and (6) coordinate cruise communications between all participating investigators, including preparation of a hydrographic report/publication.\nBroader Impacts: The project is part of an international collaborative program that has forged strong partnerships in the intercalibration and implementation phases that are unprecedented in chemical oceanography. The science product of these collective missions will enhance our ability to understand how to interpret the chemical composition of the ocean, and interpret how climate change will affect ocean chemistry. Partnerships include contributions to the infrastructure of developing nations with overlapping interests in the study area, in this case Peru. There is a strong educational component to the program, with many Ph.D. students carrying out thesis research within the program.\nFigure 1. The 2013 GEOTRACES EPZT Cruise Track. [click on the image to view a larger version]
attribute NC_GLOBAL projects_0_end_date String 2015-06
attribute NC_GLOBAL projects_0_geolocation String Eastern Tropical Pacific - Transect from Peru to Tahiti
attribute NC_GLOBAL projects_0_name String U.S. GEOTRACES East Pacific Zonal Transect
attribute NC_GLOBAL projects_0_project_nid String 499723
attribute NC_GLOBAL projects_0_project_website String https://www.geotraces.org/ (external link)
attribute NC_GLOBAL projects_0_start_date String 2012-06
attribute NC_GLOBAL projects_1_acronym String GEOTRACES EPZT Suspended Particles
attribute NC_GLOBAL projects_1_description String During the 2013 GEOTRACES Eastern Pacific cruise a diverse range of oceanic environments will be encountered from the high productivity/high particle flux waters off Peru to the Peru-Chile oxygen minimum zone, the hydrothermal plume of the East Pacific Rise, and finally to some of the most oligotrophic waters around Tahiti. Scientists from Rutgers University and Woods Hole Oceanographic Institution will sample suspended particulates from the same GO-Flo bottles that will be used to sample dissolved trace metals and their isotopes (TEIs) across this entire transect. The suspended matter samples will be analyzed for 42 elements, including the particle-reactive rare earth elements. In addition, core-top sediments will be collected at every water-column sampling station and analyzed for both bulk composition (i.e., relative % content of organic carbon, opal, biogenic carbonate and lithogenic components) and the same 42 elements to be analyzed in the suspended particulates. Results from this study will be used to assess the role of suspended particulates in the biogeochemical cycling of TEIs across the Eastern Pacific by addressing three key sets of questions: (1) How does uptake of TEIs into phytoplankton and non-living particles in the upper ocean drive the suspended particulate composition through the deeper water column, along the substantial gradient from the high productivity Peru margin to the oligotrophic ocean interior?; (2) How faithfully is the along-transect variability in the upper ocean transmitted to the sediment (paleo) record?; (3) What are the relative influences of vertical recycling versus lateral advection in generating the distributions of dissolved and particulate TEIs observed in the Peru-Chile OMZ?; (4) Is there a characteristic signature of OMZ activity that is preserved in core-top sediments?; (5) What dominates TEI uptake onto/into authigenic particles in hydrothermal plumes and to what extent are these processes augmented by continuing uptake in core-top sediments?; and (6) What is the net effect from submarine venting on global TEI budgets?\nAs regards broader impacts, the scientist from Rutgers University is collaborating with the Education Director of the Centers for Ocean Science Education Excellence Networked Ocean World (COSEE-NOW) to contribute to the MARE (Marine Activities, Resources, and Education) program by inviting teachers and high school students to workshops and presentations on climate and ocean sciences. With the help of COSEE-NOW, he also plans to create educational video clips during the Pacific cruise and the subsequent laboratory based analytical work to educate them on the use of geochemistry to understand how the ocean works. Both scientists also plan to develop a teaching module entitled \"Particles, Metals, and Carbon\" for an Introduction to Oceanography class taught by the Rutgers scientist. One postdoc from Rutgers University would be supported and trained as part of this project.
attribute NC_GLOBAL projects_1_end_date String 2016-12
attribute NC_GLOBAL projects_1_geolocation String Subtropical Southeastern Pacific Ocean
attribute NC_GLOBAL projects_1_name String GEOTRACES:  Suspended particle geochemistry along the US GEOTRACES Eastern Pacific Zonal Transect, from high productivity ocean margin to deep sea hydrothermal plume
attribute NC_GLOBAL projects_1_project_nid String 640083
attribute NC_GLOBAL projects_1_start_date String 2013-01
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 -15.0
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String cruise,dFe_conc_flag,sFe_conc_flag,delta_56_dFe_flag,delta_56_sFe_flag
attribute NC_GLOBAL summary String Concentrations of soluble and dissolved iron (Fe) and iron isotope ratios from the U.S. GEOTRACES EPZT cruise (GP16, TN303) on R/V Thomas G. Thompson in the tropical Pacific during November & December 2013.
attribute NC_GLOBAL time_coverage_end String 2013-12-04T06:41Z
attribute NC_GLOBAL time_coverage_start String 2013-11-21T01:19Z
attribute NC_GLOBAL title String [GP16 Soluble and Dissolved Fe and Fe Isotopes] - Concentrations of soluble and dissolved iron (Fe) and iron isotope ratios from the U.S. GEOTRACES EPZT cruise (GP16, TN303) on R/V Thomas G. Thompson in the tropical Pacific during November & December 2013 (U.S. GEOTRACES East Pacific Zonal Transect)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -128.0
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5
variable cruise String
attribute cruise bcodmo_name String cruise_id
attribute cruise description String Cruise identifier
attribute cruise long_name String Cruise
attribute cruise units String unitless
variable station_no byte
attribute station_no _FillValue byte 127
attribute station_no actual_range byte 18, 26
attribute station_no bcodmo_name String station
attribute station_no description String Station number
attribute station_no long_name String Station No
attribute station_no units String unitless
variable cast_no byte
attribute cast_no _FillValue byte 127
attribute cast_no actual_range byte 1, 11
attribute cast_no bcodmo_name String cast
attribute cast_no description String Cast number
attribute cast_no long_name String Cast No
attribute cast_no units String unitless
variable event_no short
attribute event_no _FillValue short 32767
attribute event_no actual_range short 4233, 4343
attribute event_no bcodmo_name String event
attribute event_no description String Event number
attribute event_no long_name String Event No
attribute event_no nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/ (external link)
attribute event_no units String unitless
variable geotraces_no String
attribute geotraces_no bcodmo_name String sample
attribute geotraces_no description String GEOTRACES sample number
attribute geotraces_no long_name String Geotraces No
attribute geotraces_no nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute geotraces_no units String unitless
variable date String
attribute date bcodmo_name String date_utc
attribute date description String Sampling date (UTC); format: YYYY-MM-DD
attribute date long_name String Date
attribute date time_precision String 1970-01-01
attribute date units String unitless
variable time2 String
attribute time2 bcodmo_name String time_utc
attribute time2 description String Sampling time (UTC); format: hh:mm
attribute time2 long_name String Time
attribute time2 units String unitless
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.38499674E9, 1.38613926E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Sampling date and time (UTC) formatted to ISO8601 standard: YYYY-MM-DDThh:mmZ
attribute time ioos_category String Time
attribute time long_name String ISO Date Time UTC
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute time source_name String ISO_DateTime_UTC
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double -15.0, -11.671
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 Latitude
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 -128.0, -112.75
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 Longitude
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 source_name String long
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 2000.8, 2610.2
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth description String Depth measured by CTD
attribute depth ioos_category String Location
attribute depth long_name String Ctd Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable dFe_conc float
attribute dFe_conc _FillValue float NaN
attribute dFe_conc actual_range float 0.629, 8.742
attribute dFe_conc bcodmo_name String Fe
attribute dFe_conc description String Dissolved Fe concentration (
attribute dFe_conc long_name String D Fe Conc
attribute dFe_conc units String nanomoles per kilogram (nmol kg-1)
variable dFe_conc_error float
attribute dFe_conc_error _FillValue float NaN
attribute dFe_conc_error actual_range float 0.031, 0.437
attribute dFe_conc_error bcodmo_name String Fe
attribute dFe_conc_error colorBarMaximum double 50.0
attribute dFe_conc_error colorBarMinimum double 0.0
attribute dFe_conc_error description String 1 std. deviation error on dissolved Fe concentration
attribute dFe_conc_error long_name String D Fe Conc Error
attribute dFe_conc_error units String nanomoles per kilogram (nmol kg-1)
variable dFe_conc_flag byte
attribute dFe_conc_flag _FillValue byte 127
attribute dFe_conc_flag actual_range byte 2, 2
attribute dFe_conc_flag bcodmo_name String q_flag
attribute dFe_conc_flag colorBarMaximum double 150.0
attribute dFe_conc_flag colorBarMinimum double 0.0
attribute dFe_conc_flag description String Quality flag for dissolved Fe concentration (SeaDataNet scheme)
attribute dFe_conc_flag long_name String D Fe Conc Flag
attribute dFe_conc_flag units String unitless
variable sFe_conc float
attribute sFe_conc _FillValue float NaN
attribute sFe_conc actual_range float 0.257, 4.88
attribute sFe_conc bcodmo_name String Fe
attribute sFe_conc description String Soluble Fe concentration (
attribute sFe_conc long_name String S Fe Conc
attribute sFe_conc units String nanomoles per kilogram (nmol kg-1)
variable sFe_conc_error float
attribute sFe_conc_error _FillValue float NaN
attribute sFe_conc_error actual_range float 0.0129, 0.244
attribute sFe_conc_error bcodmo_name String Fe
attribute sFe_conc_error colorBarMaximum double 50.0
attribute sFe_conc_error colorBarMinimum double 0.0
attribute sFe_conc_error description String 1 std. deviation error on soluble Fe concentration
attribute sFe_conc_error long_name String S Fe Conc Error
attribute sFe_conc_error units String nanomoles per kilogram (nmol kg-1)
variable sFe_conc_flag byte
attribute sFe_conc_flag _FillValue byte 127
attribute sFe_conc_flag actual_range byte 2, 2
attribute sFe_conc_flag bcodmo_name String q_flag
attribute sFe_conc_flag colorBarMaximum double 150.0
attribute sFe_conc_flag colorBarMinimum double 0.0
attribute sFe_conc_flag description String Quality flag for soluble Fe concentration (SeaDataNet scheme)
attribute sFe_conc_flag long_name String S Fe Conc Flag
attribute sFe_conc_flag units String unitless
variable delta_56_dFe float
attribute delta_56_dFe _FillValue float NaN
attribute delta_56_dFe actual_range float -0.2, 0.54
attribute delta_56_dFe bcodmo_name String Fe
attribute delta_56_dFe description String Dissolved 56/54 Fe isotope ratio (
attribute delta_56_dFe long_name String Delta 56 D Fe
attribute delta_56_dFe units String per mil (‰)
variable delta_56_dFe_error float
attribute delta_56_dFe_error _FillValue float NaN
attribute delta_56_dFe_error actual_range float 0.02, 0.1
attribute delta_56_dFe_error bcodmo_name String Fe
attribute delta_56_dFe_error colorBarMaximum double 50.0
attribute delta_56_dFe_error colorBarMinimum double 0.0
attribute delta_56_dFe_error description String 2 std. deviation error on dissolved 56/54 Fe isotope ratio
attribute delta_56_dFe_error long_name String Delta 56 D Fe Error
attribute delta_56_dFe_error units String per mil (‰)
variable delta_56_dFe_flag byte
attribute delta_56_dFe_flag _FillValue byte 127
attribute delta_56_dFe_flag actual_range byte 2, 2
attribute delta_56_dFe_flag bcodmo_name String q_flag
attribute delta_56_dFe_flag colorBarMaximum double 150.0
attribute delta_56_dFe_flag colorBarMinimum double 0.0
attribute delta_56_dFe_flag description String Quality flag for dissolved Fe isotope ratio (SeaDataNet scheme)
attribute delta_56_dFe_flag long_name String Delta 56 D Fe Flag
attribute delta_56_dFe_flag units String unitless
variable delta_56_sFe float
attribute delta_56_sFe _FillValue float NaN
attribute delta_56_sFe actual_range float 0.09, 0.68
attribute delta_56_sFe bcodmo_name String Fe
attribute delta_56_sFe description String Soluble 56/54 Fe isotope ratio (
attribute delta_56_sFe long_name String Delta 56 S Fe
attribute delta_56_sFe units String per mil (‰)
variable delta_56_sFe_error float
attribute delta_56_sFe_error _FillValue float NaN
attribute delta_56_sFe_error actual_range float 0.03, 0.1
attribute delta_56_sFe_error bcodmo_name String Fe
attribute delta_56_sFe_error colorBarMaximum double 50.0
attribute delta_56_sFe_error colorBarMinimum double 0.0
attribute delta_56_sFe_error description String 2 std. deviation error on soluble 56/54 Fe isotope ratio
attribute delta_56_sFe_error long_name String Delta 56 S Fe Error
attribute delta_56_sFe_error units String per mil (‰)
variable delta_56_sFe_flag byte
attribute delta_56_sFe_flag _FillValue byte 127
attribute delta_56_sFe_flag actual_range byte 2, 2
attribute delta_56_sFe_flag bcodmo_name String q_flag
attribute delta_56_sFe_flag colorBarMaximum double 150.0
attribute delta_56_sFe_flag colorBarMinimum double 0.0
attribute delta_56_sFe_flag description String Quality flag for soluble Fe isotope ratio (SeaDataNet scheme)
attribute delta_56_sFe_flag long_name String Delta 56 S Fe Flag
attribute delta_56_sFe_flag units String unitless

 
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