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 Sample collection: Mid-water trawls were conducted in the western Ross Sea,\nAntarctica on board the R/V Nathaniel B. Palmer in January-February 2018\n(cruise number 18-01). The Issacs-Kidd Midwater Trawl (IKMT, 1.8 m frame, 500\num mesh, non-filtering cod end) was fitted with a calibrated General Oceanics\nflow meter. Four trawls were completed, each used to conduct a grazing\nexperiment using the gut fluorescence/gut evacuation technique. Sampling\nstations for experiments 1-3 were located on the Continental Shelf Adjacent to\nthe Ross Ice Shelf barrier near 76\\u00baS, and experiment 4 was located on the\ncontinental shelf near 74\\u00baS.\n \nExperiment 1 date and location: 1/16/2018; -76 00.044S, 176 59.909E  \n Experiment 2 date and location: 1/18/2018; -76 45.024S, 172 01.733E  \n Experiment 3 date and location: 2/6/2018; -76 27.063S, 168 07.142E  \n Experiment 4 date and location: 2/16/2018; -74 49.955S, 164 34.177E\n \nExperimental Procedure: Immediately after each trawl (for each experiment), a\nsubset of crystal krill, Euphausia crystallorophias, were processed for\ninitial gut fluorescence and the other krill were sorted into experimental\nbuckets for a time series sample collection. The krill collected for initial\ngut fluorescence were immediately measured for length, wrapped in foil, flash\nfrozen in liquid nitrogen, and placed in a -80\\u00baC freezer for later\nchlorophyll gut content analysis (see below). To determine gut evacuation\nrates, an additional 5 krill were processed immediately after collection for\nthe initial time point, T0. The remaining krill were quickly sorted into five\nbuckets to achieve a total of 12 krill per bucket. Each bucket was filled with\n15L of 0.2\\u00b5m filtered seawater, and 4.0 mg of activated granular charcoal\npowder was added at a final concentration of 265 \\u00b5g L-1. The filtered\nseawater was maintained at in situ temperature in a cold incubator room for\nthe duration of the 24-hr experiment. One krill per bucket was removed at time\npoints of 5, 10, 15, 20, 25, 30, 40, 50, 60, and 120 minutes, yielding a\nsample size of five krill per time point. Finally, 1-2 krill were removed\nafter 24 hours to obtain background gut fluorescence which is to be subtracted\nfrom all the other krill fluorescence samples. All krill removed at each time\npoint were measured for standard length, wrapped in foil, flash frozen in\nliquid nitrogen, and placed in the -80\\u00baC freezer.\n \n\\u00a0Analyses: Fluorometric analysis was then conducted on the krill samples\nusing a Turner 10-AU Fluorometer before and after acidification. The analysis\nwas performed in the dark to ensure that chlorophyll did not degrade during\nsample preparation and processing. Each krill was placed without\nhomogenization into a 20mL glass scintillation vial where 5ml of 90% acetone\nwas added to extract chlorophyll pigments. The samples were covered in foil\nand placed into the -20 \\u00baC freezer for a 48-hr extraction. After this\nextraction period, the samples along with 3 prepared blanks of 5ml acetone\nwere transferred to individual sample cuvettes. Each sample was placed in the\nfluorometer to obtain fluorescence values before acidification. The sample was\nthen removed from the fluorometer, 2 drops of 1.2M hydrochloric acid was\nadded, and the sample was placed back into the fluorometer to obtain values\nafter acidification.
attribute NC_GLOBAL awards_0_award_nid String 788722
attribute NC_GLOBAL awards_0_award_number String OPP-1743035
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1743035 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Office of Polar Programs (formerly NSF PLR)
attribute NC_GLOBAL awards_0_funding_acronym String NSF OPP
attribute NC_GLOBAL awards_0_funding_source_nid String 713360
attribute NC_GLOBAL awards_0_program_manager String Jennifer Burns
attribute NC_GLOBAL awards_0_program_manager_nid String 50508
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String 2018 Ross Sea Euphausia crystallorophias grazing rates \n   Antarctica, R/V Nathaniel B. Palmer cruise NBP18-01, Jan-Feb. 2018 \n   PI: G. Saba (Rutgers U) \n   version date: 2020-02-10
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 2020-02-10T19:21:08Z
attribute NC_GLOBAL date_modified String 2020-02-13T13:51:34Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.792478.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/792478 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Fluorometer
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Device used specifically to detect chlorophyll fluorescence emission from each krill sample. Used to calculate krill gut fluorescence.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 792510
attribute NC_GLOBAL instruments_0_description String A fluorometer or fluorimeter is a device used to measure parameters of fluorescence: its intensity and wavelength distribution of emission spectrum after excitation by a certain spectrum of light. The instrument is designed to measure the amount of stimulated electromagnetic radiation produced by pulses of electromagnetic radiation emitted into a water sample or in situ.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/113/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Fluorometer
attribute NC_GLOBAL instruments_0_instrument_nid String 484
attribute NC_GLOBAL instruments_0_supplied_name String Turner 10-AU fluorometer
attribute NC_GLOBAL instruments_1_acronym String IKMT
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Rectangle framed net (1.75 m x 1.44 m) with 500 um mesh and a non-filtering cod end. Used to collected zooplankton during the Ross Sea cruise.
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 792485
attribute NC_GLOBAL instruments_1_description String A trawl with a pentagonal mouth opening and a dihedral depressor vane as part of the mouth opening. IKMTs come in various dimensions (refer to individual dataset documentation).\n\nThe original IKMTs were 10 foot (304 cm) and 15 foot (457 cm) at the mouth. The 10 foot IKMT net was 31 feet (9.45 m) in length (Wiebe and Benfield 2003).
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/NETT0071/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Isaacs-Kidd Midwater Trawl
attribute NC_GLOBAL instruments_1_instrument_nid String 715
attribute NC_GLOBAL instruments_1_supplied_name String Isaacs-Kid Midwater Trawl
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, bucket, Bucket_number, chemical, chemistry, chlorophyll, concentration, concentration_of_chlorophyll_in_sea_water, data, dataset, dmo, E1_Chlorophyll_a_ug_L, E1_Krill_length_mm, E1_Phaeopigment_ug_L, E2_Chlorophyll_a_ug_L, E2_Krill_length_mm, E2_Phaeopigment_ug_L, E3_Chlorophyll_a_ug_L, E3_Krill_length_mm, E3_Phaeopigment_ug_L, E4_Chlorophyll_a_ug_L, E4_Krill_length_mm, E4_Phaeopigment_ug_L, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, erddap, interval, krill, Krill_number, length, management, measurement, minutes, number, ocean, oceanography, oceans, office, phaeopigment, preliminary, science, sea, seawater, time, Time_Interval_minutes, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/792478/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/792478 (external link)
attribute NC_GLOBAL param_mapping String {'792478': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/792478/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Rutgers University
attribute NC_GLOBAL people_0_person_name String Grace Saba
attribute NC_GLOBAL people_0_person_nid String 721369
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 Nancy Copley
attribute NC_GLOBAL people_1_person_nid String 50396
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 bio-acoustic plankton surveys
attribute NC_GLOBAL projects_0_acronym String bio-acoustic plankton surveys
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:\nThe Ross Sea is the one of the most productive regions in Antarctica and supports large populations of several key species in the Ross Sea food web, including copepods, crystal krill (Euphausia crystallorophias), and Antarctic silverfish (Pleuragramma antarcticum). Copepods and crystal krill dominate the diets of Antarctic silverfish, the dominant fish species in the high Antarctic zone, and silverfish are a major link between lower (copepods, krill) and higher (fishes, marine mammals, flighted birds, Adélie and Emperor penguins) trophic levels. Despite the significance of these key species, there is limited understanding of copepod, krill, and silverfish mesoscale distribution, spatial structure of age/maturity classes, and their interactions with physical drivers within the Ross Sea. Autonomous underwater profiling gliders are a developing technology that offers the potential for providing high spatial, temporal, and depth resolution data on regional scales. The project will test the capability of a multi-frequency echo sounder integrated into a Slocum Webb glider with the aim of providing the first glider-based acoustic assessment of simultaneous distributions of three trophic levels in the Ross Sea. Complementary glider sensors measuring physical, chemical, and biological parameters will provide mesoscale and sub-mesoscale hydrographic information from which phytoplankton-zooplankton-fish interactions and the relationships between these organisms and physics drivers (sea ice, circulation features) will be investigated. The approach proposed here, glider acoustics, is relatively new and has the potential to be transformational for investigating food webs and the Ross Sea ecosystem.\nResearchers will modify and integrate an Acoustic Zooplankton and Fish Profiler (AZFP) multi-frequency echo sounder into a Slocum Webb G2 glider with the capability to differentiate between krill and other types of zooplankton, including copepods, and different sizes of krill and silverfish. The AZFP will be complemented with the existing glider sensors including a CTD, a WET Labs BB2FL ECO puck configured for simultaneous chlorophyll fluorescence (phytoplankton biomass) and optical backscatter measurements, and an Aanderaa Optode for measuring dissolved oxygen. The new sensor suite will be tested during a four-week glider deployment, where it will conduct acoustic surveys to map distribution and abundance of multiple zooplankton taxa and silverfish during the austral summer along the Terra Nova Bay polynya ice shelf and in adjacent continental shelf waters. The relationships between phytoplankton-zooplankton-fish distributions and the physical drivers of zooplankton and silverfish species and size distributions will be investigated. Coordinated ship-based acoustic sampling and net tows/trawls will be conducted multiple times during the glider deployment to validate glider acoustic-based species, size, and abundance measurements. Open accessible, automated data produced during this project will be made available through RUCOOL (Rutgers University Center for Ocean Observing Leadership) and THREDDS (Thematic Real-time Environmental Data Distribution System). The production of consistent, vertically-resolved, high resolution glider-based acoustic measurements will define a successful outcome of this project that should help in identifying the challenges in their use as a potentially cost-effective, automated examination of food webs in the Antarctic.
attribute NC_GLOBAL projects_0_end_date String 2019-07
attribute NC_GLOBAL projects_0_geolocation String Terra Nova Bay, Western Ross Sea, Antarctica
attribute NC_GLOBAL projects_0_name String Using Bio-acoustics on an Autonomous Surveying Platform for the Examination of Phytoplankton-zooplankton and Fish Interactions in the Western Ross Sea
attribute NC_GLOBAL projects_0_project_nid String 788723
attribute NC_GLOBAL projects_0_start_date String 2017-08
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 Four experiments using the gut fluorescence/gut evacuation technique were conducted during the R/V Nathaniel B. Palmer cruise NBP1801 in Jan-Feb 2018 to determine grazing rates of crystal krill, Euphausia crystallorophias.
attribute NC_GLOBAL title String [2018 Ross Sea Crystal Krill Grazing] - Grazing rates of Euphausia crystallorophias from RVIB Nathaniel B. Palmer NBP1801 in the Ross Sea, Jan.-Feb. 2018 (Using Bio-acoustics on an Autonomous Surveying Platform for the Examination of Phytoplankton-zooplankton and Fish Interactions in the Western Ross Sea)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Measurement String
attribute Measurement bcodmo_name String brief_desc
attribute Measurement description String The measurement as part of the gut fluorescence/gut evacuation technique that the final chlorophyll and phaeopigment data will be used for in calculations of krill grazing
attribute Measurement long_name String Measurement
attribute Measurement units String unitless
variable Krill_number byte
attribute Krill_number _FillValue byte 127
attribute Krill_number actual_range byte 1, 55
attribute Krill_number bcodmo_name String replicate
attribute Krill_number colorBarMaximum double 100.0
attribute Krill_number colorBarMinimum double 0.0
attribute Krill_number description String Sequential number of krill used for each measurement component of the gut fluorescence/gut evacuation technique
attribute Krill_number long_name String Krill Number
attribute Krill_number units String unitless
variable Time_Interval_minutes short
attribute Time_Interval_minutes _FillValue short 32767
attribute Time_Interval_minutes actual_range short 0, 1440
attribute Time_Interval_minutes bcodmo_name String time_elapsed
attribute Time_Interval_minutes description String Time interval during each grazing experiment whereby krill were removed from replicate buckets and processed for gut fluorescence
attribute Time_Interval_minutes long_name String Time Interval Minutes
attribute Time_Interval_minutes nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ELTMZZZZ/ (external link)
attribute Time_Interval_minutes units String minutes
variable Bucket_number byte
attribute Bucket_number _FillValue byte 127
attribute Bucket_number actual_range byte 1, 5
attribute Bucket_number bcodmo_name String tank
attribute Bucket_number colorBarMaximum double 100.0
attribute Bucket_number colorBarMinimum double 0.0
attribute Bucket_number description String Bucket number that indicates where krill were removed at specific intervals during each grazing experiment. There were five replicate buckets;  each with 12 krill during each experiment
attribute Bucket_number long_name String Bucket Number
attribute Bucket_number units String unitless
variable E1_Krill_length_mm float
attribute E1_Krill_length_mm _FillValue float NaN
attribute E1_Krill_length_mm actual_range float 9.0, 24.5
attribute E1_Krill_length_mm bcodmo_name String length
attribute E1_Krill_length_mm description String Experiment 1: standard length of individual krill (anterior tip of the rostrum to posterior tip of the uropod) measured with digital calipers from the experiments that were ultimately processed for gut fluorescence
attribute E1_Krill_length_mm long_name String E1 Krill Length Mm
attribute E1_Krill_length_mm units String mm = millimeters
variable E1_Chlorophyll_a_ug_L float
attribute E1_Chlorophyll_a_ug_L _FillValue float NaN
attribute E1_Chlorophyll_a_ug_L actual_range float 0.0, 39.96
attribute E1_Chlorophyll_a_ug_L bcodmo_name String chlorophyll a
attribute E1_Chlorophyll_a_ug_L colorBarMaximum double 30.0
attribute E1_Chlorophyll_a_ug_L colorBarMinimum double 0.03
attribute E1_Chlorophyll_a_ug_L colorBarScale String Log
attribute E1_Chlorophyll_a_ug_L description String Experiment 1: chlorophyll a concentration of individual krill measured with a Turner 10-AU fluorometer
attribute E1_Chlorophyll_a_ug_L long_name String Concentration Of Chlorophyll In Sea Water
attribute E1_Chlorophyll_a_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLHPP1/ (external link)
attribute E1_Chlorophyll_a_ug_L units String ug/L = micrograms per liter
variable E1_Phaeopigment_ug_L float
attribute E1_Phaeopigment_ug_L _FillValue float NaN
attribute E1_Phaeopigment_ug_L actual_range float 0.04, 24.21
attribute E1_Phaeopigment_ug_L bcodmo_name String phaeopigment
attribute E1_Phaeopigment_ug_L description String Experiment 1: phaeopigment concentration of individual krill measured with a Turner 10-AU fluorometer after addition of hydrochloric acid
attribute E1_Phaeopigment_ug_L long_name String E1 Phaeopigment Ug L
attribute E1_Phaeopigment_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHAEFMP1/ (external link)
attribute E1_Phaeopigment_ug_L units String ug/L = micrograms per liter
variable E2_Krill_length_mm float
attribute E2_Krill_length_mm _FillValue float NaN
attribute E2_Krill_length_mm actual_range float 10.4, 38.5
attribute E2_Krill_length_mm bcodmo_name String length
attribute E2_Krill_length_mm description String Experiment 2: standard length of individual krill (anterior tip of the rostrum to posterior tip of the uropod) measured with digital calipers from the experiments that were ultimately processed for gut fluorescence
attribute E2_Krill_length_mm long_name String E2 Krill Length Mm
attribute E2_Krill_length_mm units String mm = millimeters
variable E2_Chlorophyll_a_ug_L float
attribute E2_Chlorophyll_a_ug_L _FillValue float NaN
attribute E2_Chlorophyll_a_ug_L actual_range float 0.04, 38.65
attribute E2_Chlorophyll_a_ug_L bcodmo_name String chlorophyll a
attribute E2_Chlorophyll_a_ug_L colorBarMaximum double 30.0
attribute E2_Chlorophyll_a_ug_L colorBarMinimum double 0.03
attribute E2_Chlorophyll_a_ug_L colorBarScale String Log
attribute E2_Chlorophyll_a_ug_L description String Experiment 2: chlorophyll a concentration of individual krill measured with a Turner 10-AU fluorometer
attribute E2_Chlorophyll_a_ug_L long_name String Concentration Of Chlorophyll In Sea Water
attribute E2_Chlorophyll_a_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLHPP1/ (external link)
attribute E2_Chlorophyll_a_ug_L units String ug/L = micrograms per liter
variable E2_Phaeopigment_ug_L float
attribute E2_Phaeopigment_ug_L _FillValue float NaN
attribute E2_Phaeopigment_ug_L actual_range float 0.08, 62.26
attribute E2_Phaeopigment_ug_L bcodmo_name String phaeopigment
attribute E2_Phaeopigment_ug_L description String Experiment 2: phaeopigment concentration of individual krill measured with a Turner 10-AU fluorometer after addition of hydrochloric acid
attribute E2_Phaeopigment_ug_L long_name String E2 Phaeopigment Ug L
attribute E2_Phaeopigment_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHAEFMP1/ (external link)
attribute E2_Phaeopigment_ug_L units String ug/L = micrograms per liter
variable E3_Krill_length_mm float
attribute E3_Krill_length_mm _FillValue float NaN
attribute E3_Krill_length_mm actual_range float 8.7, 28.8
attribute E3_Krill_length_mm bcodmo_name String length
attribute E3_Krill_length_mm description String Experiment 3: standard length of individual krill (anterior tip of the rostrum to posterior tip of the uropod) measured with digital calipers from the experiments that were ultimately processed for gut fluorescence
attribute E3_Krill_length_mm long_name String E3 Krill Length Mm
attribute E3_Krill_length_mm units String mm = millimeters
variable E3_Chlorophyll_a_ug_L float
attribute E3_Chlorophyll_a_ug_L _FillValue float NaN
attribute E3_Chlorophyll_a_ug_L actual_range float 0.04, 8.91
attribute E3_Chlorophyll_a_ug_L bcodmo_name String chlorophyll a
attribute E3_Chlorophyll_a_ug_L colorBarMaximum double 30.0
attribute E3_Chlorophyll_a_ug_L colorBarMinimum double 0.03
attribute E3_Chlorophyll_a_ug_L colorBarScale String Log
attribute E3_Chlorophyll_a_ug_L description String Experiment 3: chlorophyll a concentration of individual krill measured with a Turner 10-AU fluorometer
attribute E3_Chlorophyll_a_ug_L long_name String Concentration Of Chlorophyll In Sea Water
attribute E3_Chlorophyll_a_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLHPP1/ (external link)
attribute E3_Chlorophyll_a_ug_L units String ug/L = micrograms per liter
variable E3_Phaeopigment_ug_L float
attribute E3_Phaeopigment_ug_L _FillValue float NaN
attribute E3_Phaeopigment_ug_L actual_range float 0.14, 8.19
attribute E3_Phaeopigment_ug_L bcodmo_name String phaeopigment
attribute E3_Phaeopigment_ug_L description String Experiment 3: phaeopigment concentration of individual krill measured with a Turner 10-AU fluorometer after addition of hydrochloric acid
attribute E3_Phaeopigment_ug_L long_name String E3 Phaeopigment Ug L
attribute E3_Phaeopigment_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHAEFMP1/ (external link)
attribute E3_Phaeopigment_ug_L units String ug/L = micrograms per liter
variable E4_Krill_length_mm float
attribute E4_Krill_length_mm _FillValue float NaN
attribute E4_Krill_length_mm actual_range float 14.7, 30.9
attribute E4_Krill_length_mm bcodmo_name String length
attribute E4_Krill_length_mm description String Experiment 4: standard length of individual krill (anterior tip of the rostrum to posterior tip of the uropod) measured with digital calipers from the experiments that were ultimately processed for gut fluorescence
attribute E4_Krill_length_mm long_name String E4 Krill Length Mm
attribute E4_Krill_length_mm units String mm = millimeters
variable E4_Chlorophyll_a_ug_L float
attribute E4_Chlorophyll_a_ug_L _FillValue float NaN
attribute E4_Chlorophyll_a_ug_L actual_range float 0.23, 5.76
attribute E4_Chlorophyll_a_ug_L bcodmo_name String chlorophyll a
attribute E4_Chlorophyll_a_ug_L colorBarMaximum double 30.0
attribute E4_Chlorophyll_a_ug_L colorBarMinimum double 0.03
attribute E4_Chlorophyll_a_ug_L colorBarScale String Log
attribute E4_Chlorophyll_a_ug_L description String Experiment 4: chlorophyll a concentration of individual krill measured with a Turner 10-AU fluorometer
attribute E4_Chlorophyll_a_ug_L long_name String Concentration Of Chlorophyll In Sea Water
attribute E4_Chlorophyll_a_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLHPP1/ (external link)
attribute E4_Chlorophyll_a_ug_L units String ug/L = micrograms per liter
variable E4_Phaeopigment_ug_L float
attribute E4_Phaeopigment_ug_L _FillValue float NaN
attribute E4_Phaeopigment_ug_L actual_range float 1.33, 52.3
attribute E4_Phaeopigment_ug_L bcodmo_name String phaeopigment
attribute E4_Phaeopigment_ug_L description String Experiment 4: phaeopigment concentration of individual krill measured with a Turner 10-AU fluorometer after addition of hydrochloric acid
attribute E4_Phaeopigment_ug_L long_name String E4 Phaeopigment Ug L
attribute E4_Phaeopigment_ug_L nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHAEFMP1/ (external link)
attribute E4_Phaeopigment_ug_L units String ug/L = micrograms per liter

 
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