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Title Sum-
Institution Dataset ID
   set  data   graph     files  public Phytoplankton diagnostic pigments from HPLC from samples collected on R/V Endeavor cruise
EN614 in the tropical North Atlantic during May 2018
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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,.esriCsv,.geoJson,.odvTxt
attribute NC_GLOBAL acquisition_description String The samples were collected using a CTD rosette and an appropriate volume of
water was filtered through a 25mm GF/F filter soon after collection. The
filters were then stored in liquid nitrogen until analyzed. The analysis and
duplicate filter precision details as well as calibration details are provided
in [may18atl_HPLC_readme.pdf](\\"https://datadocs.bco-
The samples were run at NASA GSFC by Crystal Thomas.

The diagnostic pigments were measured using High-performance liquid
chromatography as detailed in Van Heukelem and Thomas (2001) and Hooker et al

The HPLC used for pigment analysis is an Agilent RR1200 with a programmable
autoinjector (900 ul syringe head), refrigerated autosampler, degasser, and
photo-diode array detector with deuterium and tungsten lamps. The HPLC is
controlled by Agilent Chemstation software. The 4.6 x 150 mm HPLC Eclipse XDB
column (Agilent Technologies, Palo Alto, CA) is filled with a C8 stationary
phase (3.5 um stationary phase); the mobile phase consists of a linear
gradient from 5-95% solvent B over the 27 minutes, for which solvent A is 70
parts methanol, 30 parts 28 mM tetrabutylammononium acetate (pH 6.5) and
solvent B is methanol. The column temperature is 60 C and the photo diode
array detector is set to plot chromatograms at 450, 665, and 222 nm to acquire
visible absorbance spectra between 350 and 750 nm.
attribute NC_GLOBAL awards_0_award_nid String 751100
attribute NC_GLOBAL awards_0_award_number String OCE-1737128
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1737128 (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 HPLC Pigments
from EN614
PI: Ajit Subramaniam (LDEO/Columbia University)
Version date: 05-June-2019
missing = -9999
below detection limit = -8888
above detection limit = -7777
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 2019-06-05T18:59:04Z
attribute NC_GLOBAL date_modified String 2020-04-30T16:58:18Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.769601.1
attribute NC_GLOBAL Easternmost_Easting double -50.8897
attribute NC_GLOBAL geospatial_lat_max double 16.292
attribute NC_GLOBAL geospatial_lat_min double 4.8901
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -50.8897
attribute NC_GLOBAL geospatial_lon_min double -57.2529
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 124.1
attribute NC_GLOBAL geospatial_vertical_min double 2.1
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/769601 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String HPLC
attribute NC_GLOBAL instruments_0_dataset_instrument_description String The HPLC used for pigment analysis is an Agilent RR1200 with a programmable autoinjector (900 ul syringe head), refrigerated autosampler, degasser, and photo-diode array detector with deuterium and tungsten lamps.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 769619
attribute NC_GLOBAL instruments_0_description String A High-performance liquid chromatograph (HPLC) is a type of liquid chromatography used to separate compounds that are dissolved in solution. HPLC instruments consist of a reservoir of the mobile phase, a pump, an injector, a separation column, and a detector. Compounds are separated by high pressure pumping of the sample mixture onto a column packed with microspheres coated with the stationary phase. The different components in the mixture pass through the column at different rates due to differences in their partitioning behavior between the mobile liquid phase and the stationary phase.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB11/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String High Performance Liquid Chromatograph
attribute NC_GLOBAL instruments_0_instrument_nid String 506
attribute NC_GLOBAL instruments_0_supplied_name String Agilent RR1200
attribute NC_GLOBAL keywords String allo, alpha, Alpha_beta_Car, bco, bco-dmo, beta, biological, but, But_fuco, c1c2, car, chemical, chemistry, chl, Chl_c1c2, Chl_c3, chlide, Chlide_a, chlorophyll, concentration, concentration_of_chlorophyll_in_sea_water, data, dataset, date, day, depth, diadino, diato, dmo, DV_Chl_a, DV_Chl_b, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, erddap, fuco, gyro, hex, Hex_fuco, iso, latitude, longitude, lut, management, month, MV_Chl_a, MV_Chl_b, neo, ocean, oceanography, oceans, office, perid, phide, Phide_a, phytin, Phytin_a, ppc, PPC_TCar, PPC_Tpg, pras, preliminary, psc, PSC_TCar, psp, PSP_TPg, sample, science, sdy, sea, seawater, station, tacc, Tacc_Tchla, tcar, tchl, TChl_TCar, tchla, TChla_TPg, time, time2, tot, Tot_Chl_a, Tot_Chl_b, Tot_Chl_c, tpg, viola, volfilt, water, year, zea
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/769601/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/769601 (external link)
attribute NC_GLOBAL Northernmost_Northing double 16.292
attribute NC_GLOBAL param_mapping String {'769601': {'lat': 'flag - latitude', 'depth': 'flag - depth', 'lon': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/769601/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Lamont-Doherty Earth Observatory
attribute NC_GLOBAL people_0_affiliation_acronym String LDEO
attribute NC_GLOBAL people_0_person_name String Ajit Subramaniam
attribute NC_GLOBAL people_0_person_nid String 50857
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 Shannon Rauch
attribute NC_GLOBAL people_1_person_nid String 51498
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 Amazon River Plume Nitrogen
attribute NC_GLOBAL projects_0_acronym String Amazon River Plume Nitrogen
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:
This is a focused program of field research in waters of the Western Tropical North Atlantic influenced by the Amazon River Plume during the high river flow season. The Amazon Plume region supports diverse plankton communities in a dynamic system driven by nutrients supplied by transport from the river proper as well as nutrients entrained from offshore waters by physical mixing and upwelling. This creates strong interactions among physical, chemical, and biological processes across a range of spatial and temporal scales. The field program will link direct measurements of environmental properties with focused experimental studies of nutrient supply and nutrient limitation of phytoplankton, as well as the transfer of phytoplankton nitrogen to the zooplankton food web. The Amazon Plume exhibits a close juxtaposition of distinct communities during the high-flow season, making it an ideal site for evaluating how nutrient availability, nutrient supply, and habitat longevity interact to drive offshore ecosystem dynamics and function. This project will include German collaborators and will seamlessly integrate education and research efforts. The investigators and their institutions have a strong commitment to undergraduate and graduate education and to increasing the diversity of the ocean science community through active recruiting and training efforts. The team has a strong track record of involving both undergraduate and graduate students in their field and lab research. The two research cruises planned will provide opportunities for students and technicians to interact with an interdisciplinary and international research team.
The ultimate objectives of this project are to understand the processes and interactions that promote distinct communities of nitrogen-fixing organisms (diazotrophs) and other phytoplankton around the Amazon Plume and to explore the impacts of these diazotroph-rich communities on zooplankton biomass and production. The research team includes scientists with expertise in nutrient and stable isotope biogeochemistry, remote sensing as well as specialists in characterizing water mass origin and history using naturally occurring radium isotopes. This combination of approaches will provide a unique opportunity to address fundamental questions related to plankton community structure, primary production, and links to secondary production in pelagic ecosystems. The project will address the following key questions focused on fundamental issues in plankton ecology resulting from previous research in this region:
A. What mechanisms promote the preferential delivery of bioavailable phosphorus and the resulting strong nitrogen limitation associated with the northern reaches of the Amazon Plume during the high flow season?
B. What factors lead to the clear niche separation between diazotrophs within and around the Amazon Plume and how are the distinct diazotroph communities influenced by hydrographic and biogeochemical controls associated with the Amazon River Plume and offshore upwelling processes?
C. How does the nitrogen fixed by the different types of diazotrophs contribute to secondary production, and how efficiently does diazotroph nitrogen move through the food web?
attribute NC_GLOBAL projects_0_end_date String 2020-12
attribute NC_GLOBAL projects_0_geolocation String Amazon River plume
attribute NC_GLOBAL projects_0_name String Collaborative Research: Impact of the Amazon River Plume on Nitrogen Availability and Planktonic Food Web Dynamics in the Western Tropical North Atlantic
attribute NC_GLOBAL projects_0_project_nid String 751093
attribute NC_GLOBAL projects_0_start_date String 2018-01
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 4.8901
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String Year,month,Gyro
attribute NC_GLOBAL summary String Phytoplankton diagnostic pigments from HPLC from samples collected on R/V Endeavor cruise EN614 in the tropical North Atlantic during May 2018. Note: these data are also available through NASA's SeaBASS repository at https://seabass.gsfc.nasa.gov/archive/COLUMBIA_U/subramaniam/LAMONT_ATL/may18atl/archive
attribute NC_GLOBAL time_coverage_end String 2018-05-29T15:33:28Z
attribute NC_GLOBAL time_coverage_start String 2018-05-07T18:27:42Z
attribute NC_GLOBAL title String Phytoplankton diagnostic pigments from HPLC from samples collected on R/V Endeavor cruise EN614 in the tropical North Atlantic during May 2018
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -57.2529
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5
variable Sample   String  
attribute Sample bcodmo_name String sample
attribute Sample description String Sample ID
attribute Sample long_name String Sample
attribute Sample nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute Sample units String unitless
variable volfilt   short  
attribute volfilt _FillValue short 32767
attribute volfilt actual_range short 1050, 4300
attribute volfilt bcodmo_name String vol_filt
attribute volfilt description String Volume of water filtered
attribute volfilt long_name String Volfilt
attribute volfilt units String liters (L)
variable Station   String  
attribute Station bcodmo_name String station
attribute Station description String Station ID
attribute Station long_name String Station
attribute Station units String unitless
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 2.1, 124.1
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 of sample
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 Year   short  
attribute Year _FillValue short 32767
attribute Year actual_range short 2018, 2018
attribute Year bcodmo_name String year
attribute Year description String Year
attribute Year long_name String Year
attribute Year nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ (external link)
attribute Year units String meters (m)
variable month   byte  
attribute month _FillValue byte 127
attribute month actual_range byte 5, 5
attribute month bcodmo_name String month
attribute month description String Month
attribute month long_name String Month
attribute month nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/MNTHXXXX/ (external link)
attribute month units String unitless
variable Day   byte  
attribute Day _FillValue byte 127
attribute Day actual_range byte 7, 29
attribute Day bcodmo_name String day
attribute Day description String Day
attribute Day long_name String Day
attribute Day nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DAYXXXXX/ (external link)
attribute Day units String unitless
variable sdy   short  
attribute sdy _FillValue short 32767
attribute sdy actual_range short 127, 149
attribute sdy bcodmo_name String julian_day
attribute sdy description String Julian day number
attribute sdy long_name String SDY
attribute sdy units String unitless
variable time2   String  
attribute time2 bcodmo_name String time
attribute time2 description String Time UTC; format: HH:MM:SS
attribute time2 long_name String Time
attribute time2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/ (external link)
attribute time2 units String unitless
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.525717662E9, 1.527608008E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Date and time (UTC) formatted to ISO8601 standard. Format: yyyy-mm-ddTHH:MM:SSZ (Z indicates UTC)
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 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -57.2529, -50.8897
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 (negative = west)
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 standard_name String longitude
attribute longitude units String degrees_east
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 4.8901, 16.292
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 (negative = south)
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 Tot_Chl_a   float  
attribute Tot_Chl_a _FillValue float NaN
attribute Tot_Chl_a actual_range float 0.047, 5.118
attribute Tot_Chl_a bcodmo_name String chl_a_tot
attribute Tot_Chl_a colorBarMaximum double 30.0
attribute Tot_Chl_a colorBarMinimum double 0.03
attribute Tot_Chl_a colorBarScale String Log
attribute Tot_Chl_a description String total chlorophyll a; DV_Chl_a + MV_Chl_a + Chlide_a + Chl_a allomers + Chl_a epimers
attribute Tot_Chl_a long_name String Concentration Of Chlorophyll In Sea Water
attribute Tot_Chl_a units String milligrams per cubic meter (mg/m^3)
variable Tot_Chl_b   float  
attribute Tot_Chl_b _FillValue float NaN
attribute Tot_Chl_b actual_range float 0.005, 0.209
attribute Tot_Chl_b bcodmo_name String chl_b_tot
attribute Tot_Chl_b description String total chlorophyll b; DV_Chl_b + MV_Chl_b + Chl_b epimers
attribute Tot_Chl_b long_name String Tot Chl B
attribute Tot_Chl_b nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CBDVHPP1/ (external link)
attribute Tot_Chl_b units String milligrams per cubic meter (mg/m^3)
variable Tot_Chl_c   float  
attribute Tot_Chl_c _FillValue float NaN
attribute Tot_Chl_c actual_range float 0.014, 0.668
attribute Tot_Chl_c bcodmo_name String chl_c_tot
attribute Tot_Chl_c description String total chlorophyll c; Chl_c3 + Chl_c1c2
attribute Tot_Chl_c long_name String Tot Chl C
attribute Tot_Chl_c units String milligrams per cubic meter (mg/m^3)
variable Alpha_beta_Car   float  
attribute Alpha_beta_Car _FillValue float NaN
attribute Alpha_beta_Car actual_range float 0.003, 0.163
attribute Alpha_beta_Car bcodmo_name String carotene
attribute Alpha_beta_Car description String carotenes; alpha (beta, epsilon) + beta (beta, beta) carotene. Unresolved and therefore undifferentiated.
attribute Alpha_beta_Car long_name String Alpha Beta Car
attribute Alpha_beta_Car nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ABCRHPP1/ (external link)
attribute Alpha_beta_Car units String milligrams per cubic meter (mg/m^3)
variable But_fuco   float  
attribute But_fuco _FillValue float NaN
attribute But_fuco actual_range float -8888.0, 0.092
attribute But_fuco bcodmo_name String fucox_but
attribute But_fuco description String 19'-butanoyloxyfucoxanthin
attribute But_fuco long_name String But Fuco
attribute But_fuco units String milligrams per cubic meter (mg/m^3)
variable Hex_fuco   float  
attribute Hex_fuco _FillValue float NaN
attribute Hex_fuco actual_range float 0.007, 0.141
attribute Hex_fuco bcodmo_name String fucox_hex
attribute Hex_fuco description String 19'-hexanoyloxyfucoxanthin
attribute Hex_fuco long_name String Hex Fuco
attribute Hex_fuco units String milligrams per cubic meter (mg/m^3)
variable Allo   float  
attribute Allo _FillValue float NaN
attribute Allo actual_range float -8888.0, 0.048
attribute Allo bcodmo_name String allox
attribute Allo description String alloxanthin
attribute Allo long_name String Allo
attribute Allo nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ALLOHPP1/ (external link)
attribute Allo units String milligrams per cubic meter (mg/m^3)
variable Diadino   float  
attribute Diadino _FillValue float NaN
attribute Diadino actual_range float 0.001, 0.203
attribute Diadino bcodmo_name String diadinox
attribute Diadino description String diadinoxanthin
attribute Diadino long_name String Diadino
attribute Diadino nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DIADHPP1/ (external link)
attribute Diadino units String milligrams per cubic meter (mg/m^3)
variable Diato   float  
attribute Diato _FillValue float NaN
attribute Diato actual_range float -8888.0, 0.011
attribute Diato bcodmo_name String diatox
attribute Diato description String diatoxanthin
attribute Diato long_name String Diato
attribute Diato nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DIATHPP1/ (external link)
attribute Diato units String milligrams per cubic meter (mg/m^3)
variable Fuco   float  
attribute Fuco _FillValue float NaN
attribute Fuco actual_range float 0.004, 2.148
attribute Fuco bcodmo_name String fucox
attribute Fuco description String fucoxanthin
attribute Fuco long_name String Fuco
attribute Fuco nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/FUCXHPP1/ (external link)
attribute Fuco units String milligrams per cubic meter (mg/m^3)
variable Perid   float  
attribute Perid _FillValue float NaN
attribute Perid actual_range float -8888.0, 0.138
attribute Perid bcodmo_name String peridinin
attribute Perid description String Peridinin
attribute Perid long_name String Perid
attribute Perid nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PERIHPP1/ (external link)
attribute Perid units String milligrams per cubic meter (mg/m^3)
variable Zea   float  
attribute Zea _FillValue float NaN
attribute Zea actual_range float 0.003, 0.221
attribute Zea bcodmo_name String zeax
attribute Zea description String Zeaxanthin
attribute Zea long_name String Zea
attribute Zea nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ZEOXHPP1/ (external link)
attribute Zea units String milligrams per cubic meter (mg/m^3)
variable MV_Chl_a   float  
attribute MV_Chl_a _FillValue float NaN
attribute MV_Chl_a actual_range float 0.042, 5.049
attribute MV_Chl_a bcodmo_name String chl_a1
attribute MV_Chl_a colorBarMaximum double 30.0
attribute MV_Chl_a colorBarMinimum double 0.03
attribute MV_Chl_a colorBarScale String Log
attribute MV_Chl_a description String monovinyl chlorophyll a
attribute MV_Chl_a long_name String Concentration Of Chlorophyll In Sea Water
attribute MV_Chl_a nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/MVACHPP1/ (external link)
attribute MV_Chl_a units String milligrams per cubic meter (mg/m^3)
variable DV_Chl_a   float  
attribute DV_Chl_a _FillValue float NaN
attribute DV_Chl_a actual_range float -8888.0, 0.196
attribute DV_Chl_a bcodmo_name String chl_a2
attribute DV_Chl_a colorBarMaximum double 30.0
attribute DV_Chl_a colorBarMinimum double 0.03
attribute DV_Chl_a colorBarScale String Log
attribute DV_Chl_a description String divinyl chlorophyll a
attribute DV_Chl_a long_name String Concentration Of Chlorophyll In Sea Water
attribute DV_Chl_a nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DVCAHPP1/ (external link)
attribute DV_Chl_a units String milligrams per cubic meter (mg/m^3)
variable Chlide_a   float  
attribute Chlide_a _FillValue float NaN
attribute Chlide_a actual_range float -8888.0, 0.314
attribute Chlide_a bcodmo_name String chlide_a
attribute Chlide_a description String chlorophyllide a
attribute Chlide_a long_name String Chlide A
attribute Chlide_a nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CIDAHPP1/ (external link)
attribute Chlide_a units String milligrams per cubic meter (mg/m^3)
variable MV_Chl_b   float  
attribute MV_Chl_b _FillValue float NaN
attribute MV_Chl_b actual_range float -8888.0, 0.084
attribute MV_Chl_b bcodmo_name String chl_b1
attribute MV_Chl_b description String monovinyl chlorophyll b
attribute MV_Chl_b long_name String MV CHL B
attribute MV_Chl_b units String milligrams per cubic meter (mg/m^3)
variable DV_Chl_b   float  
attribute DV_Chl_b _FillValue float NaN
attribute DV_Chl_b actual_range float -8888.0, 0.167
attribute DV_Chl_b bcodmo_name String chl_b2
attribute DV_Chl_b description String divinyl chlorophyll b
attribute DV_Chl_b long_name String DV CHL B
attribute DV_Chl_b nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DVCBHPP1/ (external link)
attribute DV_Chl_b units String milligrams per cubic meter (mg/m^3)
variable Chl_c1c2   float  
attribute Chl_c1c2 _FillValue float NaN
attribute Chl_c1c2 actual_range float 0.006, 0.653
attribute Chl_c1c2 bcodmo_name String chl_c1_c2
attribute Chl_c1c2 description String Chlorophyll c2 + chlorophyll c1 + MGDVP Mg-2,4-divnyl pheoporphyrin a5 monomethyl ester
attribute Chl_c1c2 long_name String CHL C1C2
attribute Chl_c1c2 units String milligrams per cubic meter (mg/m^3)
variable Chl_c3   float  
attribute Chl_c3 _FillValue float NaN
attribute Chl_c3 actual_range float 0.005, 0.102
attribute Chl_c3 bcodmo_name String chl_c3
attribute Chl_c3 description String Chlorophyll c3
attribute Chl_c3 long_name String CHL C3
attribute Chl_c3 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CLC3HPP1/ (external link)
attribute Chl_c3 units String milligrams per cubic meter (mg/m^3)
variable Lut   float  
attribute Lut _FillValue float NaN
attribute Lut actual_range float -8888.0, 0.006
attribute Lut bcodmo_name String lutein
attribute Lut description String Lutein
attribute Lut long_name String Lut
attribute Lut nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/LUTNHPP1/ (external link)
attribute Lut units String milligrams per cubic meter (mg/m^3)
variable Neo   float  
attribute Neo _FillValue float NaN
attribute Neo actual_range float -8888.0, 0.009
attribute Neo bcodmo_name String neox
attribute Neo description String Neoxanthin
attribute Neo long_name String Neo
attribute Neo nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/NEOXHPP1/ (external link)
attribute Neo units String milligrams per cubic meter (mg/m^3)
variable Viola   float  
attribute Viola _FillValue float NaN
attribute Viola actual_range float -8888.0, 0.007
attribute Viola bcodmo_name String violax
attribute Viola description String Violaxanthin
attribute Viola long_name String Viola
attribute Viola nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/VILXHPP1/ (external link)
attribute Viola units String milligrams per cubic meter (mg/m^3)
variable Phytin_a   float  
attribute Phytin_a _FillValue float NaN
attribute Phytin_a actual_range float 0.001, 0.095
attribute Phytin_a bcodmo_name String pheophorbide a
attribute Phytin_a description String total pheophorbide a; multiple peaks
attribute Phytin_a long_name String Phytin A
attribute Phytin_a units String milligrams per cubic meter (mg/m^3)
variable Phide_a   float  
attribute Phide_a _FillValue float NaN
attribute Phide_a actual_range float -8888.0, 0.233
attribute Phide_a bcodmo_name String p_phytin
attribute Phide_a description String total pheophytin a; pheophytin a + pheophytin a'
attribute Phide_a long_name String Phide A
attribute Phide_a units String milligrams per cubic meter (mg/m^3)
variable Pras   float  
attribute Pras _FillValue float NaN
attribute Pras actual_range float -8888.0, 0.01
attribute Pras bcodmo_name String prasinox
attribute Pras description String Prasinoxanthin
attribute Pras long_name String Pras
attribute Pras nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PRSXHPP1/ (external link)
attribute Pras units String milligrams per cubic meter (mg/m^3)
variable Gyro   float  
attribute Gyro _FillValue float NaN
attribute Gyro actual_range float -8888.0, -8888.0
attribute Gyro bcodmo_name String Gyroxanthin-Diester
attribute Gyro description String Gyroxanthin diester
attribute Gyro long_name String Gyro
attribute Gyro units String milligrams per cubic meter (mg/m^3)
variable TChl   float  
attribute TChl _FillValue float NaN
attribute TChl actual_range float 0.07, 5.838
attribute TChl bcodmo_name String chl_tot
attribute TChl description String total chlorophylls; Tot_Chl_a +Tot_Chl_b +Tot_Chl_c
attribute TChl long_name String TCHL
attribute TChl units String milligrams per cubic meter (mg/m^3)
variable PPC   float  
attribute PPC _FillValue float NaN
attribute PPC actual_range float 0.007, 0.429
attribute PPC bcodmo_name String car_ppc
attribute PPC description String photoprotective carotenoids; allo + diadino + diato + zea + alpha-beta-car
attribute PPC long_name String PPC
attribute PPC units String milligrams per cubic meter (mg/m^3)
variable PSC   float  
attribute PSC _FillValue float NaN
attribute PSC actual_range float 0.029, 2.209
attribute PSC bcodmo_name String car_psc
attribute PSC description String photosynthetic carotenoids; but-fuco + fuco + hex-fuco + perid
attribute PSC long_name String PSC
attribute PSC units String milligrams per cubic meter (mg/m^3)
variable PSP   float  
attribute PSP _FillValue float NaN
attribute PSP actual_range float 0.099, 8.047
attribute PSP bcodmo_name String chl_psp
attribute PSP description String photosynthetic pigments; PSC + TChl
attribute PSP long_name String PSP
attribute PSP units String milligrams per cubic meter (mg/m^3)
variable TCar   float  
attribute TCar _FillValue float NaN
attribute TCar actual_range float 0.036, 2.638
attribute TCar bcodmo_name String car_psc_psp
attribute TCar description String total carotenoids; PPC + PSC
attribute TCar long_name String TCar
attribute TCar units String milligrams per cubic meter (mg/m^3)
variable TAcc   float  
attribute TAcc _FillValue float NaN
attribute TAcc actual_range float 0.059, 3.358
attribute TAcc bcodmo_name String pig_tot_acc
attribute TAcc description String total accessory pigments; PPC + PSC + Tot_Chl_b + Tot_Chl_c
attribute TAcc long_name String TAcc
attribute TAcc units String milligrams per cubic meter (mg/m^3)
variable TPg   float  
attribute TPg _FillValue float NaN
attribute TPg actual_range float 0.106, 8.476
attribute TPg bcodmo_name String pig_tot
attribute TPg description String total pigments; TAcc + Tot_Chl_a
attribute TPg long_name String TPG
attribute TPg units String milligrams per cubic meter (mg/m^3)
variable DP   float  
attribute DP _FillValue float NaN
attribute DP actual_range float 0.04, 2.313
attribute DP bcodmo_name String pig_diag
attribute DP description String total diagnostic pigments; PSC + allo + zea + Tot_Chl_b
attribute DP long_name String DP
attribute DP units String milligrams per cubic meter (mg/m^3)
variable Tacc_Tchla   float  
attribute Tacc_Tchla _FillValue float NaN
attribute Tacc_Tchla actual_range float 0.63, 1.86
attribute Tacc_Tchla bcodmo_name String pigacc_to_chla_tot
attribute Tacc_Tchla description String ratio of total accessory pigments to total chlorophyll a; [Tacc]/[Tchla]
attribute Tacc_Tchla long_name String Tacc Tchla
attribute Tacc_Tchla units String unitless (ratio)
variable PSC_TCar   float  
attribute PSC_TCar _FillValue float NaN
attribute PSC_TCar actual_range float 0.17, 0.89
attribute PSC_TCar bcodmo_name String pigpsc_to_cartot
attribute PSC_TCar description String ratio of photosynthetic carotenoids to total carotenoids; [PSC]/[TCar]
attribute PSC_TCar long_name String PSC TCar
attribute PSC_TCar units String unitless (ratio)
variable PPC_TCar   float  
attribute PPC_TCar _FillValue float NaN
attribute PPC_TCar actual_range float 0.11, 0.83
attribute PPC_TCar bcodmo_name String pigppc_to_cartot
attribute PPC_TCar description String ratio of photoprotective carotenoids to total carotenoids; [PPC]/[Tcar]
attribute PPC_TCar long_name String PPC TCar
attribute PPC_TCar units String unitless (ratio)
variable TChl_TCar   float  
attribute TChl_TCar _FillValue float NaN
attribute TChl_TCar actual_range float 0.84, 2.84
attribute TChl_TCar bcodmo_name String chltot_to_cartot
attribute TChl_TCar description String ratio of total chlorophyll to total carotenoids; [TChl]/[TCaro]
attribute TChl_TCar long_name String TChl TCar
attribute TChl_TCar units String unitless (ratio)
variable PPC_Tpg   float  
attribute PPC_Tpg _FillValue float NaN
attribute PPC_Tpg actual_range float 0.03, 0.45
attribute PPC_Tpg bcodmo_name String pigppc_to_pigtot
attribute PPC_Tpg description String ratio of photoprotective carotenoids to total pigments; [PPC]/[Tpg]
attribute PPC_Tpg long_name String PPC TPG
attribute PPC_Tpg units String unitless (ratio)
variable PSP_TPg   float  
attribute PSP_TPg _FillValue float NaN
attribute PSP_TPg actual_range float 0.55, 0.97
attribute PSP_TPg bcodmo_name String pigpsp_to_pigtot
attribute PSP_TPg description String ratio of photosynthetic pigments to total pigments; [PSP]/[TPg]
attribute PSP_TPg long_name String PSP TPG
attribute PSP_TPg units String unitless (ratio)
variable TChla_TPg   float  
attribute TChla_TPg _FillValue float NaN
attribute TChla_TPg actual_range float 0.35, 0.61
attribute TChla_TPg bcodmo_name String chla_tot_to_pigtot
attribute TChla_TPg description String ratio of total chlorophyll a to total pigments; [TChla]/[TPg]
attribute TChla_TPg long_name String TChla TPg
attribute TChla_TPg units String unitless (ratio)

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