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     data   graph     files  public [Halomethane concentrations in cell culture] - Halomethane concentrations in cell
culture (The role of organic and metal cofactors on the biogenic synthesis of halogenated
volatile hydrocarbons)
   ?        I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_712803

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
attribute NC_GLOBAL acquisition_description String Peak Simple model 302 Integration using Peak 393 software
Excel 2016
attribute NC_GLOBAL awards_0_award_nid String 712781
attribute NC_GLOBAL awards_0_award_number String OCE-1559276
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1559276 (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 Dr Simone Metz
attribute NC_GLOBAL awards_0_program_manager_nid String 51479
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Halomethane concentrations in cell culture
PI: Sergio Sanudo-Wilhelmy (USC)
Version: 2017-08-14
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 2017-08-14T22:26:06Z
attribute NC_GLOBAL date_modified String 2019-06-26T18:01:04Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.712803.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/712803 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Gas Chromatograph
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Column- Restek Rtx-502.2 (60m, 0.32mm ID, 1.8µm df)
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 712806
attribute NC_GLOBAL instruments_0_description String Instrument separating gases, volatile substances, or substances dissolved in a volatile solvent by transporting an inert gas through a column packed with a sorbent to a detector for assay. (from SeaDataNet, BODC)
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB02/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Gas Chromatograph
attribute NC_GLOBAL instruments_0_instrument_nid String 661
attribute NC_GLOBAL instruments_0_supplied_name String Agilent 7890A Gas Chromatograph with electron capture detector
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, cells, cells_per_ml, ch3, CH3Br, CH3Cl, CH3I, chbr3, chemical, clade, data, dataset, dmo, elapsed, erddap, hours, management, oceanography, office, per, preliminary, species, strain, time, Time_elapsed_hours
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/712803/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/712803 (external link)
attribute NC_GLOBAL param_mapping String {'712803': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/712803/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of Southern California
attribute NC_GLOBAL people_0_affiliation_acronym String USC
attribute NC_GLOBAL people_0_person_name String Sergio A. Sanudo-Wilhelmy
attribute NC_GLOBAL people_0_person_nid String 51586
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 Southern California
attribute NC_GLOBAL people_1_affiliation_acronym String USC
attribute NC_GLOBAL people_1_person_name String Lynda Cutter
attribute NC_GLOBAL people_1_person_nid String 516958
attribute NC_GLOBAL people_1_role String Contact
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL people_2_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_2_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_2_person_name String Megan Switzer
attribute NC_GLOBAL people_2_person_nid String 708683
attribute NC_GLOBAL people_2_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_2_role_type String related
attribute NC_GLOBAL project String Volatile_Hydrocarbons
attribute NC_GLOBAL projects_0_acronym String Volatile_Hydrocarbons
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:
Volatile halogenated hydrocarbon gases, in this case halomethanes, are produced naturally by organisms in the ocean; which then serves as a source of these biogenic gases to the atmosphere. Their chemical reactions in the atmosphere are very similar to those of anthropogenic chlorofluorocarbons (CFCs). While CFCs are well-studied because they consume the ozone in the upper atmosphere that shields the earth from harmful ultraviolet radiation, halomethanes have been largely neglected, even though they currently account for 25% of the ozone depletion. As anthropogenic CFC levels steadily decline, however, halomethanes are predicted to account for 50% of ozone depletion by 2050. Based on limited study thus far, marine halomethane production has been ascribed mainly to phytoplankton and macro algae. This project will build on new and compelling data that suggests marine heterotrophic bacteria could also be major producers of halomethanes. The data produced here will provide the critical evaluation required to address discrepancies in global halomethane budgets which currently are out of balance due to an unknown source to the atmosphere, evaluating the hypothesis that marine heterotrophic bacteria can supply this missing source. Concerns over the stability of the earth's stratospheric ozone layer make this valuable and necessary research with added value of providing support for engaged undergraduate, graduate, and postdoctoral education at the University of Southern California.
Past research on the production of marine halomethanes has focused on phytoplankton and macro algae, while potential bacterial contributions to the processe have been neglected. This research proposes to study the role of marine heterotrophic bacteria on the production of halomethanes. It has been noted in past studies that there are discrepancies in the global atmospheric halomethane budget, and it is possible this is due to a large missing bacterial source. Additionally, this research will evaluate the potential importance of vitamin B12, methionine, and vanadium cofactors on the synthesis of halomethanes in bacteria. A large portion of marine bacteria cannot synthesize methylation co-enzymes, and therefore, would require available B12, methionine, and vanadium from external sources to complete the methylation step. This study will also measure concentrations of halomethanes, B12, methionine, and vanadium in upwelling regions as well as at a long-term time series site in order to put constraints on the variability of halomethanes concentrations for use in global linked air-sea models.
attribute NC_GLOBAL projects_0_end_date String 2019-03
attribute NC_GLOBAL projects_0_name String The role of organic and metal cofactors on the biogenic synthesis of halogenated volatile hydrocarbons
attribute NC_GLOBAL projects_0_project_nid String 712782
attribute NC_GLOBAL projects_0_start_date String 2016-04
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 Halomethane concentrations in cell culture
attribute NC_GLOBAL title String [Halomethane concentrations in cell culture] - Halomethane concentrations in cell culture (The role of organic and metal cofactors on the biogenic synthesis of halogenated volatile hydrocarbons)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Strain   String  
attribute Strain bcodmo_name String unknown
attribute Strain description String Strain of marine bacteria
attribute Strain long_name String Strain
attribute Strain units String unitless
variable Species   String  
attribute Species bcodmo_name String unknown
attribute Species description String Species
attribute Species long_name String Species
attribute Species units String unitless
variable Clade   String  
attribute Clade bcodmo_name String unknown
attribute Clade description String Clade
attribute Clade long_name String Clade
attribute Clade units String unitless
variable Time_elapsed_hours   short  
attribute Time_elapsed_hours _FillValue short 32767
attribute Time_elapsed_hours actual_range short 0, 2400
attribute Time_elapsed_hours bcodmo_name String time_elapsed
attribute Time_elapsed_hours description String Incubation duration; originally Time (hours)
attribute Time_elapsed_hours long_name String Time Elapsed Hours
attribute Time_elapsed_hours nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ELTMZZZZ/ (external link)
attribute Time_elapsed_hours units String hours
variable cells_per_ml   int  
attribute cells_per_ml _FillValue int 2147483647
attribute cells_per_ml actual_range int 233000, 1110000000
attribute cells_per_ml bcodmo_name String cell_concentration
attribute cells_per_ml description String Cell concentration; originally cellsmL-1
attribute cells_per_ml long_name String Cells Per Ml
attribute cells_per_ml units String cells per milliliter
variable CH3Br   float  
attribute CH3Br _FillValue float NaN
attribute CH3Br actual_range float 0.2, 3673.2
attribute CH3Br bcodmo_name String unknown
attribute CH3Br description String bromomethane concentration
attribute CH3Br long_name String CH3 BR
attribute CH3Br units String picomoles per liter
variable CH3I   float  
attribute CH3I _FillValue float NaN
attribute CH3I actual_range float 1.28, 16311.96
attribute CH3I bcodmo_name String unknown
attribute CH3I description String iodomethane concentration
attribute CH3I long_name String CH3 I
attribute CH3I units String picomoles per liter
variable CH3Cl   float  
attribute CH3Cl _FillValue float NaN
attribute CH3Cl actual_range float 0.67, 3067.47
attribute CH3Cl bcodmo_name String unknown
attribute CH3Cl description String chloromethane concentration
attribute CH3Cl long_name String CH3 CL
attribute CH3Cl units String picomoles per liter
variable CHBr3   String  
attribute CHBr3 bcodmo_name String unknown
attribute CHBr3 description String bromoform, tribromomethane concentration
attribute CHBr3 long_name String CHBR3
attribute CHBr3 units String picomoles per liter

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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