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 A profile was conducted using a Seabird sonde.
attribute NC_GLOBAL awards_0_award_nid String 542156
attribute NC_GLOBAL awards_0_award_number String OCE-1130495
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1130495 (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 David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String CTD Data \n  Moisander and Riemann, PIs \n  Version 2 February 2017
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 2017-02-07T22:42:25Z
attribute NC_GLOBAL date_modified String 2019-04-04T16:50:36Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.681423.1
attribute NC_GLOBAL geospatial_vertical_max double 30.501
attribute NC_GLOBAL geospatial_vertical_min double 1.03
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/681423 (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 CTD used to sample
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 681432
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 CTD
attribute NC_GLOBAL keywords String active, available, bco, bco-dmo, biological, chemical, data, dataset, density, depth, dmo, downwelling, downwelling_photosynthetic_photon_radiance_in_sea_water, earth, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, Earth Science > Oceans > Salinity/Density > Salinity, erddap, fluorescence, management, ocean, oceanography, oceans, office, optics, PAR, photon, photosynthetic, photosynthetically, practical, preliminary, radiance, radiation, salinity, science, sea, sea_water_practical_salinity, seawater, temperature, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/681423/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/681423 (external link)
attribute NC_GLOBAL param_mapping String {'681423': {'depth': 'flag - depth'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/681423/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of Massachusetts Dartmouth
attribute NC_GLOBAL people_0_affiliation_acronym String UMASSD-SMAST
attribute NC_GLOBAL people_0_person_name String Dr Pia Moisander
attribute NC_GLOBAL people_0_person_nid String 564454
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 Université de Toulon
attribute NC_GLOBAL people_1_person_name String Mar Benavides
attribute NC_GLOBAL people_1_person_nid String 680979
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 Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_2_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_2_person_name String Hannah Ake
attribute NC_GLOBAL people_2_person_nid String 650173
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 Microbial associations in zooplankton
attribute NC_GLOBAL projects_0_acronym String Microbial associations in zooplankton
attribute NC_GLOBAL projects_0_description String Description from NSF award abstract:\nNitrogen (N2) fixation is a key biogeochemical process providing new N for the marine ecosystem. Current estimates of the global rates suggest that the inputs and outputs of N are not in balance, leaving an apparent deficiency in N2 fixation in the oceanic N budget. Based on recovery of N2 fixation gene fragments, however, numerous potential N2-fixing microbes are present in the euphotic layer and below, yet evidence for their contribution to N2-fixation is lacking. The goal of this study is to identify and determine the importance of potentially diazotrophic, heterotrophic prokaryotes occupying a previously unstudied niche in the upper ocean.\nThis project PIs hypothesize that N2 fixation in zooplankton-associated microbial communities is an important source of new N in the open ocean contributing to the oceanic N budget. In oligotrophic, N-limited open ocean waters, zooplankton are faced with the same low N availability in their diets that limits growth of primary producers and heterotrophic microbes in the open ocean. Zooplankton guts would be a particularly suitable environment for heterotrophic N2-fixers as the nitrogenase enzyme is inhibited by oxygen. In many terrestrial insects, N2 fixation by gut microbes serves as a source of N. The aim of this study is to investigate whether similar associations occur in marine zooplankton that live on N-limited phytoplankton. The PIs will investigate specific associations between copepods from N-limited and non-N limited oceanic waters with microorganisms that are potentially or actively fixing N. They will also investigate the fate of this N to study whether the new N is incorporated into the zooplankton host. The main research objectives are to determine whether:\n1. diazotrophic microflora exist in copepods and what is their seasonal and spatial variability,\n2. microbial communities associated with copepods are actively fixing N2,\n3. diazotroph communities contribute to the N nutrition of their zooplankton hosts.\nMonthly samples will be collected in the oligotrophic Sargasso Sea, in association with BATS sampling cruises. In addition, experiments and field studies will be conducted in Bermuda during the summer. For comparison to a site that is not severely N limited, and for methods development, additional studies will be carried out in coastal Gulf of Maine waters. Selected copepod species and their fecal pellets will be analyzed for the presence of nifH genes and their expression using cloning and sequencing and Reverse Transcriptase-PCR. Quantitative PCR will be employed to investigate the seasonal distributions of dominant phylotypes. Anaerobic cultivation will be used for the enrichment of the gut microflora. Zooplankton will be incubated with 15N2 to quantify microbial N2 fixation activity and its fate of N through zooplankton overall 15N content and nanoSIMS determination of 15N localization. Products of this study will include novel microbial isolates or consortia, evidence regarding taxa-specific expression of N2 fixation in these microhabitats, and a first estimate for the importance of this process for the oceanic N budget.\nThis project addresses fundamental issues regarding the sources of oceanic nitrogen and will test hypotheses regarding previously overlooked diazotrophic niches. As open ocean productivity is frequently N limited, characterization of new sources of N will have global impacts.
attribute NC_GLOBAL projects_0_end_date String 2016-08
attribute NC_GLOBAL projects_0_geolocation String Sargasso Sea, Eastern and Western North Atlantic.
attribute NC_GLOBAL projects_0_name String Microbial associations in zooplankton: significance for the marine nitrogen cycle
attribute NC_GLOBAL projects_0_project_nid String 564455
attribute NC_GLOBAL projects_0_start_date String 2011-09
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 CTD data collected on a R/V Sarmiento de Gamboa cruise in the Subtropical North Atlantic Ocean between January and March 2011 (Microbial associations in zooplankton project)
attribute NC_GLOBAL title String [CTD data] - CTD data collected on a R/V Sarmiento de Gamboa cruise in the Subtropical North Atlantic Ocean between January and March 2011 (Microbial associations in zooplankton project) (Microbial associations in zooplankton: significance for the marine nitrogen cycle)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 1.03, 30.501
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Depth at which sample was taken
attribute depth ioos_category String Location
attribute depth long_name String 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 salinity float
attribute salinity _FillValue float NaN
attribute salinity actual_range float 15.1632, 33.2996
attribute salinity bcodmo_name String sal
attribute salinity colorBarMaximum double 37.0
attribute salinity colorBarMinimum double 32.0
attribute salinity description String Salinity at depth
attribute salinity long_name String Sea Water Practical Salinity
attribute salinity nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute salinity units String pratical salinity units
variable temperature float
attribute temperature _FillValue float NaN
attribute temperature actual_range float 6.2269, 14.8045
attribute temperature bcodmo_name String temperature
attribute temperature description String Temperature at depth
attribute temperature long_name String Temperature
attribute temperature units String Celsius
variable fluorescence float
attribute fluorescence _FillValue float NaN
attribute fluorescence actual_range float 0.0012, 0.0122
attribute fluorescence bcodmo_name String fluorescence
attribute fluorescence description String Fluorsence at depth
attribute fluorescence long_name String Fluorescence
attribute fluorescence nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/ (external link)
attribute fluorescence units String volts
variable PAR float
attribute PAR _FillValue float NaN
attribute PAR actual_range float 0.177, 1080.0
attribute PAR bcodmo_name String PAR
attribute PAR colorBarMaximum double 70.0
attribute PAR colorBarMinimum double 0.0
attribute PAR description String Photosynthetically Active Radiation
attribute PAR long_name String Downwelling Photosynthetic Photon Radiance In Sea Water
attribute PAR units String uE/m^2/sec

 
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