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
attribute NC_GLOBAL acquisition_description String We tested the integrity of 15N2 gas samples dissolved in seawater samples\nduring storage in Exetainer\\u2122 vials, which were kept submerged at 8\\u02daC\nor otherwise left at room temperature unsubmerged. Multiple Exetainer\\u2122\nsubsamples were gravity-filled with discrete 15N2 preparations (in 1 L\nbottles) and triplicate subsamples were measured by MIMS at consecutive time\nintervals.\\u00a0
attribute NC_GLOBAL awards_0_award_nid String 772538
attribute NC_GLOBAL awards_0_award_number String OCE-1732246
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1732246 (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 cdm_data_type String Other
attribute NC_GLOBAL comment String Test of integrity of dissolved 15N2 gas samples stored in Exetainer vials \n  PI: Julie Granger \n  Version: 2019-09-30
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 2019-09-30T15:15:46Z
attribute NC_GLOBAL date_modified String 2019-10-02T18:47:52Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.778047.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/778047 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String IR Mass Spec
attribute NC_GLOBAL instruments_0_dataset_instrument_description String continuous flow Delta V Isotope Ratio Mass Spectrometer (Smith et al. 2015), and continuous flow-GV Isoprime IRMS (Charoenpong et al., 2014)
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 778055
attribute NC_GLOBAL instruments_0_description String The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB16/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Isotope-ratio Mass Spectrometer
attribute NC_GLOBAL instruments_0_instrument_nid String 469
attribute NC_GLOBAL instruments_0_supplied_name String Isotope Ratio Mass Spectrometer
attribute NC_GLOBAL instruments_1_acronym String MIMS
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Membrane Inlet Mass Spectrometer (Bay Instruments)
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 778054
attribute NC_GLOBAL instruments_1_description String Membrane-introduction mass spectrometry (MIMS) is a method of introducing analytes into the mass spectrometer's vacuum chamber via a semipermeable membrane.
attribute NC_GLOBAL instruments_1_instrument_name String Membrane Inlet Mass Spectrometer
attribute NC_GLOBAL instruments_1_instrument_nid String 661606
attribute NC_GLOBAL instruments_1_supplied_name String Membrane Inlet Mass Spectrometer
attribute NC_GLOBAL keywords String analysis, average, Avg_15N_at_pcnt, bco, bco-dmo, biological, chemical, data, dataset, date, Date_of_analysis, days, Days_of_storage, deviation, dmo, erddap, management, notes, oceanography, office, pcnt, preliminary, sample, Sample_ID, standard, standard deviation, stdev, stdev_at_pcnt, storage, trial
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/778047/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/778047 (external link)
attribute NC_GLOBAL param_mapping String {'778047': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/778047/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of Connecticut
attribute NC_GLOBAL people_0_affiliation_acronym String UConn
attribute NC_GLOBAL people_0_person_name String Julie Granger
attribute NC_GLOBAL people_0_person_nid String 528937
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 Massachusetts Dartmouth
attribute NC_GLOBAL people_1_affiliation_acronym String UMass Dartmouth
attribute NC_GLOBAL people_1_person_name String Annie Bourbonnais
attribute NC_GLOBAL people_1_person_nid String 778011
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 University of Hawaii
attribute NC_GLOBAL people_2_person_name String Samuel Wilson
attribute NC_GLOBAL people_2_person_nid String 51733
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 Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_3_person_name String Mathew Biddle
attribute NC_GLOBAL people_3_person_nid String 708682
attribute NC_GLOBAL people_3_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL project String EAGER NitFix
attribute NC_GLOBAL projects_0_acronym String EAGER NitFix
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:\nThe availability of nitrogen is required to support the growth and production of organisms living in the surface of our global ocean. This element can be scarce. To alleviate this scarcity, a special class of bacteria and archaea, called nitrogen fixers, can derive the nitrogen needed for growth from nitrogen gas. This project would carefully examine one specific method for measuring nitrogen fixation that has been used recently to suggest the occurrence of small amounts of nitrogen fixation in subsurface ocean waters. If these reports are verified, then a revision of our understanding of the marine nitrogen cycle may be needed. The Ocean Carbon and Biogeochemistry program will be used as a platform to develop community consensus for best practices in nitrogen fixation measurements and detection of diversity, activity, and abundances of the organisms responsible. In addition, a session will be organized in a future national/international conference to communicate with the broader scientific community while developing these best practices.\nThe goal of this study is to conduct a thorough examination of potential experimental and analytical errors inherent to the 15N2-tracer nitrogen fixation method, in tandem with comprehensive molecular measurements, in mesopelagic ocean waters. Samples will be collected and experimental work conducted on a cruise transect in the North Atlantic Ocean, followed by analytical work in the laboratory. The specific aims of this study are to (1) determine the minimum quantifiable rates of 15N2 fixation based on incubations of mesopelagic waters via characterization of sources of experimental and analytical error, and (2) seek evidence of presence and expression of nitrogen fixation genes via comprehensive molecular approaches on corresponding samples. The range of detectable rates and diazotroph activity from the measurements made in this study will be informative for the understanding of the importance of nitrogen fixation in the oceanic nitrogen budget.
attribute NC_GLOBAL projects_0_end_date String 2018-10
attribute NC_GLOBAL projects_0_geolocation String North Atlantic Ocean, Pacific Ocean
attribute NC_GLOBAL projects_0_name String EAGER:  Collaborative Research:  Detection limit in marine nitrogen fixation measurements - Constraints of rates from the mesopelagic ocean
attribute NC_GLOBAL projects_0_project_nid String 772534
attribute NC_GLOBAL projects_0_start_date String 2017-05
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 standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String We monitored the 15N2 gas atom% values of prepared solutions stored in Exetainer vials (filled with no headspace) in order to verify that these values remained stable over a period of weeks to months of storage. The integrity of samples was preserved for at least 6 months.
attribute NC_GLOBAL title String [integrity_tests] - Test of integrity of dissolved 15N2 gas samples stored in Exetainer vials (EAGER:  Collaborative Research:  Detection limit in marine nitrogen fixation measurements - Constraints of rates from the mesopelagic ocean)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Trial String
attribute Trial bcodmo_name String unknown
attribute Trial description String trial information
attribute Trial long_name String Trial
attribute Trial units String unitless
variable Sample_ID String
attribute Sample_ID bcodmo_name String sample
attribute Sample_ID description String sample identification
attribute Sample_ID long_name String Sample ID
attribute Sample_ID nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute Sample_ID units String unitless
variable Date_of_analysis String
attribute Date_of_analysis bcodmo_name String date
attribute Date_of_analysis description String date sample was analyzed
attribute Date_of_analysis long_name String Date Of Analysis
attribute Date_of_analysis nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute Date_of_analysis units String unitless
variable Days_of_storage float
attribute Days_of_storage _FillValue float NaN
attribute Days_of_storage actual_range float 1.0, 186.0
attribute Days_of_storage bcodmo_name String duration
attribute Days_of_storage description String length of storage
attribute Days_of_storage long_name String Days Of Storage
attribute Days_of_storage units String days
variable Avg_15N_at_pcnt float
attribute Avg_15N_at_pcnt _FillValue float NaN
attribute Avg_15N_at_pcnt actual_range float 0.1, 14.1
attribute Avg_15N_at_pcnt bcodmo_name String unknown
attribute Avg_15N_at_pcnt description String Average 15N at% (n = 3)
attribute Avg_15N_at_pcnt long_name String Avg 15 N At Pcnt
attribute Avg_15N_at_pcnt units String unitless
variable stdev_at_pcnt float
attribute stdev_at_pcnt _FillValue float NaN
attribute stdev_at_pcnt actual_range float 0.0, 0.7
attribute stdev_at_pcnt bcodmo_name String unknown
attribute stdev_at_pcnt description String stdev at%
attribute stdev_at_pcnt long_name String Stdev At Pcnt
attribute stdev_at_pcnt units String unitless
variable Notes String
attribute Notes bcodmo_name String unknown
attribute Notes description String additional comments
attribute Notes long_name String Notes
attribute Notes units String unitless

 
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