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Title Sum-
Institution Dataset ID
   set  data   graph     files  public Autonomous Behaving Lagrangian Explorer (ABLE) output for 5 taxonomic groups examined from
the R/V Cape Horn in the upwelling region of the west coast of California, USA in August 2015
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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 Sampling:
ABLE 6218 (aka Velella) \u2013 constant depth of 3m
ABLE 6155 (aka Cyprid) \u2013 diel vertical migration 3-15m, 2.0 cm/s, up
3:00/down 13:00
ABLE 6157 (aka Pteropod) \u2013 diel vertical migration 3-15m, 2.0 cm/s, up
3:00/down 13:00
ABLE 5996 (aka Pluteus) \u2013 constant depth 15m
ABLE 6031 (aka Melibe) \u2013 constant depth 15m

We simulated documented behaviors using the Autonomous Behaving Lagrangian
Explorer (ABLE). ABLE, designed by Tom Wolcott,\u00a0is a biomimetic robotic
drifter that senses in situ environmental stimuli (e.g., variations in PAR,
pressure, salinity, or temperature). It\u00a0can be programmed to maintain
depth or vertically migrate in response to in-situ variables, like the larvae
under study. It can reveal quasi-Lagrangian transport of vertically migrating
plankters that swim between water parcels at different depths. ABLE weighs 3
kg and is 36 cm tall, topped by a 15 cm antenna mast. It necessarily
integrates water motions at and below its own scale. Consequently, it cannot
mimic transport of individual plankters, nor diffusive processes at scales
smaller than its own. ABLE best simulates the transport of the centroid of a
cloud of plankters that is large relative to its own dimensions.

ABLE dynamically calculates its target depth from measurements of its
immediate microenvironment and a behavioral model for the organism being
simulated. It moves toward the new target depth at a biologically realistic
velocity, permitting it to show transport consequences of adaptive behaviors
in response to actual (not average) conditions and actual (not modeled) water
movements. Because behavioral patterns are under the experimenter\u2019s
control, ABLE can reveal effects of either known or hypothetical behavior
patterns. ABLE has no structures outside the parcel of water in which it is
embedded, hence no extraneous drag that would cause drift errors. Use of ABLE
(unlike modeling) requires no a priori characterization of the system before
the first data can be collected; immediately upon deployment it begins
yielding information on how water and organisms in the system move.

Although ABLE has no extraneous drag, hence no drift errors, while embedded in
the tracked water parcel, it must periodically leave that parcel and make
excursions to the surface to obtain and transmit GPS fixes. A drift error is
created by velocity differences (relative to the target parcel) at other
depths multiplied by the time ABLE spends transiting each during a pop-up,
which cannot be simply estimated in heterogeneous systems. A rule of thumb
analogous to that for suspended-drogue drifters would be that ABLE must spend
<1/40 of the time making excursions to the surface. As target (operating)
depth increases, transit time to the surface increases, and hence allowable
fix frequency decreases.

To facilitate tracking, it has an ultrasonic beacon that provides bearings and
telemeters depth during operation at depth; when at the surface it obtains
fixes from its GPS receiver and transmits the fix data by VHF radio (short
range) and satellite modem (global range). The GPS fix obtained at each
surface interval is logged in ABLE\u2019s data memory, even if it is not
received by the Globalstar satellite system. To facilitate recovery at the sea
surface, it transmits updated fixes continuously by VHF and periodically via
satellite while blinking high-brightness LED beacons for visual fixes. We also
command ABLE to surface for recovery by decoding ultrasonic signals while
rejecting noise from surf and biota. It senses the bottom and swims up a
programmed distance above the substrate.

When deployed, it uses measurements of in-situ variables (depth, T, S, PAR,
time of day, vertical speed relative to water). It subtly adjusts buoyancy (by
< 1g) to \"swim\" toward that target depth, maintaining a rate realistic for
the organism being simulated (0 to >10 cm/s). It periodically pops to the
surface to obtain a GPS fix and transmit it by VHF, ultrasonic pinger and
satellite (or cell phone) modem. Along its entire trajectory, it logs in-situ
measurements; the suite of variables and frequency of logging are user-
selectable. On the bench, ABLE communicates by wireless Bluetooth with a host
computer or smart phone and presents a menu for downloading logged data,
testing and calibrating sensors, altering data logging parameters, or even
rewriting the entire program. Endurance during deployments is about 2 wk with
7 NiMH \"D\"\u00a0cells, depending on frequency of excursions to the surface
and pumping of ballast to hoist antennas.

ABLEs were deployed by boat at pre-defined locations and retrieved a pre-
defined number of days later.\u00a0
attribute NC_GLOBAL awards_0_award_nid String 568290
attribute NC_GLOBAL awards_0_award_number String OCE-1334448
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1334448 (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 awards_1_award_nid String 568297
attribute NC_GLOBAL awards_1_award_number String OCE-1334553
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1334553 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_1_funding_source_nid String 355
attribute NC_GLOBAL awards_1_program_manager String David L. Garrison
attribute NC_GLOBAL awards_1_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Autonomous Behaving Lagrangian Explorer (ABLE) output for 5 taxonomic groups
PI: Steven G. Morgan (Bodega Marine Laboratory)
Co-PI: John L. Largier (Bodega Marine Laboratory), Thomas G. Wolcott & Donna Wolcott (North Carolina State University)
Version: 15 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 2017-02-07T19:06:46Z
attribute NC_GLOBAL date_modified String 2019-08-01T19:32:45Z
attribute NC_GLOBAL defaultDataQuery String &amp;time&lt;now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.681042.1
attribute NC_GLOBAL Easternmost_Easting double -122.963942
attribute NC_GLOBAL geospatial_lat_max double 38.309512
attribute NC_GLOBAL geospatial_lat_min double 38.218773
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -122.963942
attribute NC_GLOBAL geospatial_lon_min double -123.08404
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/681042 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String ABLE
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 682398
attribute NC_GLOBAL instruments_0_description String The Autonomous Behaving Lagrangian Explorer (ABLE), designed by Tom Wolcott, is a biomimetic robotic drifter that senses in situ environmental stimuli (e.g., variations in PAR, pressure, salinity, or temperature) and can be programmed to respond to these cues with vertical migration behavior like that of the planktonic organism of interest.
attribute NC_GLOBAL instruments_0_instrument_name String Autonomous Behaving Lagrangian Explorer
attribute NC_GLOBAL instruments_0_instrument_nid String 682336
attribute NC_GLOBAL instruments_0_supplied_name String ABLE
attribute NC_GLOBAL keywords String active, altimetry, ang, ang_vel_X, ang_vel_Y, ang_vel_Z, available, batt, batt_V, bco, bco-dmo, biological, bot, chemical, cumulative, cumulative_secs, data, dataset, date, date_utc, dmo, dop, down, downwelling, downwelling_photosynthetic_photon_radiance_in_sea_water, earth, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, erddap, flag, iso, laboratory, latitude, longitude, management, ocean, oceanography, oceans, office, optics, par, PAR_flag, photon, photosynthetic, photosynthetically, preliminary, pump, pump_down, pump_up, radiance, radiation, sal, sal_flag, satellite, science, sea, seawater, secs, target, target_Z, taxon, temp_flag, temperature, time, time_utc, v, vel, water, Z_bot, Z_flag
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/681042/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/681042 (external link)
attribute NC_GLOBAL Northernmost_Northing double 38.309512
attribute NC_GLOBAL param_mapping String {'681042': {'lat': 'master - latitude', 'lon': 'master - longitude', 'ISO_DateTime_UTC': 'flag - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/681042/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of California-Davis
attribute NC_GLOBAL people_0_affiliation_acronym String UC Davis-BML
attribute NC_GLOBAL people_0_person_name String Steven Morgan
attribute NC_GLOBAL people_0_person_nid String 506186
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 California-Davis
attribute NC_GLOBAL people_1_affiliation_acronym String UC Davis-BML
attribute NC_GLOBAL people_1_person_name String John L. Largier
attribute NC_GLOBAL people_1_person_nid String 568294
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 North Carolina State University
attribute NC_GLOBAL people_2_affiliation_acronym String NCSU
attribute NC_GLOBAL people_2_person_name String Donna Wolcott
attribute NC_GLOBAL people_2_person_nid String 568301
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 North Carolina State University
attribute NC_GLOBAL people_3_affiliation_acronym String NCSU
attribute NC_GLOBAL people_3_person_name String Thomas G. Wolcott
attribute NC_GLOBAL people_3_person_nid String 568299
attribute NC_GLOBAL people_3_role String Co-Principal Investigator
attribute NC_GLOBAL people_3_role_type String originator
attribute NC_GLOBAL people_4_affiliation String University of California-Davis
attribute NC_GLOBAL people_4_affiliation_acronym String UC Davis-BML
attribute NC_GLOBAL people_4_person_name String Steven Morgan
attribute NC_GLOBAL people_4_person_nid String 506186
attribute NC_GLOBAL people_4_role String Contact
attribute NC_GLOBAL people_4_role_type String related
attribute NC_GLOBAL people_5_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_5_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_5_person_name String Shannon Rauch
attribute NC_GLOBAL people_5_person_nid String 51498
attribute NC_GLOBAL people_5_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_5_role_type String related
attribute NC_GLOBAL project String ABLE
attribute NC_GLOBAL projects_0_acronym String ABLE
attribute NC_GLOBAL projects_0_description String Description from NSF award abstract:
The majority of larvae of coastal marine species are planktonic and generally weak swimmers. Thus, they are thought to be dispersed widely by coastal currents. However, there is accumulating evidence that their behavior can strongly influence their transport: some remain within estuaries, while others make true migrations between adult and larval habitats, even out to the edge of the continental shelf and back. Rates and directions of larval transport are thought to be determined largely by the timing, duration, and amplitude of vertical migrations and the mean depth that larvae occupy in stratified flows. The PIs propose to provide one of the first direct tests of how behavior affects across-shelf and alongshore transport using biomimetic drifters. The study will be conducted in a region of persistent upwelling, where strong currents are widely believed to overwhelm larval swimming and limit recruitment to adult populations.
Knowledge of underlying mechanisms regulating larval transport is central to understanding ecology and evolution in the sea and anticipating the impacts of climate change on marine populations and communities. The proposed research will provide the first experimental field-test of how larval behavior affects the rates, directions and distances of transport and population connectivity in an upwelling regime. The PIs will test three hypotheses:
1. Residence below the wind-driven surface layer and vertical migrations below that layer keep larvae closer to shore compared to residence in the surface layer or larvae without depth preferences and vertical migration.
2. Residence at depth enhances northward transport near shore, and vertical migration leads to decreased alongshore mean displacement but increased variance for a group.
3. Depth preferences and vertical migrations have pronounced effects on retention and transport of plankton in upwelling regions.
The study will compare direct measurements from mimetic drifters with observed and modeled cross-shelf larval distributions, and with modeled alongshore transport. Results will be broadly applicable to upwelling regimes along the western margins of continents, and the approach can be applied to non-upwelling systems throughout the world.
attribute NC_GLOBAL projects_0_end_date String 2017-08
attribute NC_GLOBAL projects_0_geolocation String Upwelling region, West coast of USA, Northern California
attribute NC_GLOBAL projects_0_name String Collaborative Research: Field test of larval behavior on transport and connectivity in an upwelling regime
attribute NC_GLOBAL projects_0_project_nid String 568291
attribute NC_GLOBAL projects_0_start_date String 2013-09
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 Southernmost_Northing double 38.218773
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String temp_flag,sal_flag
attribute NC_GLOBAL summary String Autonomous Behaving Lagrangian Explorer (ABLE) output for 5 taxonomic groups (Cyprid, Melibe, Pluteus, Pteropod, and Velella) from the R/V Cape Horn in the upwelling region of the west coast of California, USA in August 2015.
attribute NC_GLOBAL time_coverage_end String 2015-08-21T19:08:00Z
attribute NC_GLOBAL time_coverage_start String 2015-08-19T16:17:02Z
attribute NC_GLOBAL title String Autonomous Behaving Lagrangian Explorer (ABLE) output for 5 taxonomic groups examined from the R/V Cape Horn in the upwelling region of the west coast of California, USA in August 2015
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -123.08404
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable taxon   String  
attribute taxon bcodmo_name String taxon
attribute taxon description String Taxonomic group examined using ABLE
attribute taxon long_name String Taxon
attribute taxon units String unitless
variable cumulative_secs   int  
attribute cumulative_secs _FillValue int 2147483647
attribute cumulative_secs actual_range int 493316222, 493499280
attribute cumulative_secs bcodmo_name String unknown
attribute cumulative_secs description String Cumulative seconds
attribute cumulative_secs long_name String Cumulative Secs
attribute cumulative_secs units String seconds
variable date_utc   String  
attribute date_utc bcodmo_name String date_utc
attribute date_utc description String Date (UTC) formatted as yyyy-mm-dd
attribute date_utc long_name String Date Utc
attribute date_utc time_precision String 1970-01-01
attribute date_utc units String unitless
variable time_utc   String  
attribute time_utc bcodmo_name String time_utc
attribute time_utc description String Time (UTC) formatted as HH:MM:SS
attribute time_utc long_name String Time Utc
attribute time_utc units String unitless
variable Z   float  
attribute Z _FillValue float NaN
attribute Z actual_range float 0.0, 19.65
attribute Z bcodmo_name String unknown
attribute Z description String Current depth
attribute Z long_name String Z
attribute Z units String meters (m)
variable Z_flag   byte  
attribute Z_flag _FillValue byte 127
attribute Z_flag actual_range byte 0, 5
attribute Z_flag bcodmo_name String unknown
attribute Z_flag colorBarMaximum double 150.0
attribute Z_flag colorBarMinimum double 0.0
attribute Z_flag description String Quality flag for current depth: 0 – no QC, 1 – good, 2 – unreliable, 3 – bad, 4 – changed, 5 – no data.
attribute Z_flag long_name String Z Flag
attribute Z_flag units String unitless
variable target_Z   float  
attribute target_Z _FillValue float NaN
attribute target_Z actual_range float 0.25, 125.0
attribute target_Z bcodmo_name String unknown
attribute target_Z description String Target depth in meters
attribute target_Z long_name String Target Z
attribute target_Z units String meters (m)
variable Z_bot   float  
attribute Z_bot _FillValue float NaN
attribute Z_bot actual_range float 0.0, 127.89
attribute Z_bot bcodmo_name String unknown
attribute Z_bot description String Assumed bottom depth
attribute Z_bot long_name String Z Bot
attribute Z_bot units String meters (m)
variable temp   float  
attribute temp _FillValue float NaN
attribute temp actual_range float 0.0, 17.44
attribute temp bcodmo_name String temperature
attribute temp description String Temperature
attribute temp long_name String Temperature
attribute temp nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/ (external link)
attribute temp units String degrees Centigrade (C)
variable temp_flag   byte  
attribute temp_flag _FillValue byte 127
attribute temp_flag actual_range byte 0, 0
attribute temp_flag bcodmo_name String unknown
attribute temp_flag colorBarMaximum double 150.0
attribute temp_flag colorBarMinimum double 0.0
attribute temp_flag description String Quality flag for temperature: 0 – no QC, 1 – good, 2 – unreliable, 3 – bad, 4 – changed, 5 – no data
attribute temp_flag long_name String Temp Flag
attribute temp_flag units String unitless
variable PAR   int  
attribute PAR _FillValue int 2147483647
attribute PAR actual_range int -18088, 121003
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 (PAR)
attribute PAR long_name String Downwelling Photosynthetic Photon Radiance In Sea Water
attribute PAR units String moles per square meter per second (mol m-2 s-1)
variable PAR_flag   byte  
attribute PAR_flag _FillValue byte 127
attribute PAR_flag actual_range byte 0, 5
attribute PAR_flag bcodmo_name String unknown
attribute PAR_flag colorBarMaximum double 150.0
attribute PAR_flag colorBarMinimum double 0.0
attribute PAR_flag description String Quality flag for PAR: 0 – no QC, 1 – good, 2 – unreliable, 3 – bad, 4 – changed, 5 – no data
attribute PAR_flag long_name String PAR Flag
attribute PAR_flag units String unitless
variable sal   float  
attribute sal _FillValue float NaN
attribute sal actual_range float 0.0, 39.59
attribute sal bcodmo_name String sal
attribute sal description String Salinity
attribute sal long_name String Sal
attribute sal nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute sal units String practical salinity scale (PSU)
variable sal_flag   byte  
attribute sal_flag _FillValue byte 127
attribute sal_flag actual_range byte 0, 0
attribute sal_flag bcodmo_name String unknown
attribute sal_flag colorBarMaximum double 150.0
attribute sal_flag colorBarMinimum double 0.0
attribute sal_flag description String Quality flag for salinity: 0 – no QC, 1 – good, 2 – unreliable, 3 – bad, 4 – changed, 5 – no data
attribute sal_flag long_name String Sal Flag
attribute sal_flag units String unitless
variable ang_vel_X   short  
attribute ang_vel_X _FillValue short 32767
attribute ang_vel_X actual_range short -8154, 9122
attribute ang_vel_X bcodmo_name String unknown
attribute ang_vel_X description String Angular velocity in x direction
attribute ang_vel_X long_name String Ang Vel X
attribute ang_vel_X units String unitless (raw counts from the gyro)
variable ang_vel_Y   short  
attribute ang_vel_Y _FillValue short 32767
attribute ang_vel_Y actual_range short -7849, 9319
attribute ang_vel_Y bcodmo_name String unknown
attribute ang_vel_Y description String Angular velocity in y direction
attribute ang_vel_Y long_name String Ang Vel Y
attribute ang_vel_Y units String unitless (raw counts from the gyro)
variable ang_vel_Z   short  
attribute ang_vel_Z _FillValue short 32767
attribute ang_vel_Z actual_range short -6182, 15328
attribute ang_vel_Z bcodmo_name String unknown
attribute ang_vel_Z description String Angular velocity in z direction
attribute ang_vel_Z long_name String Ang Vel Z
attribute ang_vel_Z units String unitless (raw counts from the gyro)
variable pump_down   byte  
attribute pump_down _FillValue byte 127
attribute pump_down actual_range byte 0, 125
attribute pump_down bcodmo_name String unknown
attribute pump_down description String Number of pump strokes in a downward direction
attribute pump_down long_name String Pump Down
attribute pump_down units String unitless
variable pump_up   byte  
attribute pump_up _FillValue byte 127
attribute pump_up actual_range byte 0, 125
attribute pump_up bcodmo_name String unknown
attribute pump_up description String Number of pump strokes in an upward direction
attribute pump_up long_name String Pump Up
attribute pump_up units String unitless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 38.218773, 38.309512
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
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 longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -123.08404, -122.963942
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
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 DOP   float  
attribute DOP _FillValue float NaN
attribute DOP actual_range float 0.9, 5.2
attribute DOP bcodmo_name String Dissolved Organic Phosphorus
attribute DOP description String Dilution of precision for GPS quality
attribute DOP long_name String DOP
attribute DOP units String unitless
variable batt_V   float  
attribute batt_V _FillValue float NaN
attribute batt_V actual_range float 8.49, 8.79
attribute batt_V bcodmo_name String unknown
attribute batt_V description String Battery voltage
attribute batt_V long_name String Batt V
attribute batt_V units String volts
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.440001022E9, 1.44018408E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Date and time (UTC) formatted ISO 8601 standard: yyyy-mm-ddTHH:MM:SS.xxZ (where T indicates the start of the time string and 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

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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