ERDDAP > info > bcodmo_dataset_810032

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Acces- sible	Title	Sum- mary	FGDC, ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
		data	graph		files	public	[N2O Global Reconstruction] - Global reconstruction of surface oceanic N2O disequilibrium and its associated flux (CAREER: Multiple Scales of Nitrogen Cycle in Oxygen Minimum Zones)		F   I   M	background			BCO-DMO	bcodmo_dataset_810032

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
attribute	NC_GLOBAL	acquisition_description	String	We compiled surface (0m-12m depth) marine N2O concentrations and partial pressures measurements from a variety of sources. The core of the data is sourced from the MEMENTO database (Kock\u00a0& Bange, 2015). We complement MEMENTO with additional published N2O measurements from the literature, and unpublished N2O measurements from 16 additional cruises (see Supplemental File \"SuppCruiseTable_dec11.xlsx\"), including 11 cruises from the Global Ocean Ship-Based Hydrographic Investigations Program (GO-SHIP). We do not perform any further quality control of the N2O data from published sources besides that performed by the individual contributors and the MEMENTO database administrators (Kock\u00a0& Bange, 2015). A description of the quality control performed on new unpublished N2O data is reported as footnotes to the annotations labeled as qc1**, qc2**, or qc3** (see \"SuppCruiseTable_dec11.xlsx\"). We convert each marine N2O measurement to XwN2O (the N2O mixing ratio in seawater, in units of ppb) using, when needed, the N2O solubility coefficient (Weiss & Price, 1980). The coefficient is calculated using co-measured temperature, and salinity, as well as sea level pressure from the ERA5 reanalysis (Copernicus Climate Change Service, 2017), at the time (month and year), and location of the measurement. If the measurement time is not available in the ERA5 reanalysis prediction, we instead use the climatological atmospheric pressure at sea level, calculated from the monthly predictions for the years from 1979 through 2018. We then calculated N2O disequilibrium as DN2O = XwN2O \u2212 XaN2O, where XaN2O is the atmospheric N2O mixing ratio estimated by linear interpolation of NOAA\u2019s flask measurement dataset (Hall\u00a0et al., 2007) at the time and latitude of each marine N2O measurement.; To convert sparse observations to a global climatology, we trained 100 ensembles of regressions trees (Random Forests) to predict DN2O based on its relationship to well-sampled physical and biogeochemical predictors. We note that, while the prediction of N2O disequilibrium is done in mixing ratio units (ppb), the results are reported in the more commonly used pressure units (natm): pN2O = XN2O . P, where P is the climatological atmospheric pressure at sea level in atm, predicted by ERA5, included as part of the relevant data file for easy conversion. (see Data File: dn2o-mapped-Yang2020.nc).\u00a0 We calculate the N2O air-sea flux using two wind-speed dependent parameterizations: an updated version of a commonly-used quadratic formulation (Wanninkhof, 1992; Wanninkhof, 2014) and a recent formulation that explicitly accounts for the effect of bubble-mediated fluxes (Liang et al., 2013). We apply each parameterization to two high-resolution wind products (Copernicus Climate Change Service, 2017;\u00a0Wentz et al., 2015), yielding four permutations of the piston velocity. In total, we obtain an ensemble of 400 global N2O air-sea flux estimates, from which we calculate a mean and uncertainty range (see Data File: n2oFlux-Yang2020.nc). Sampling and analytical prodcedures: The data is compiled from multiple sources, published and unpublished.\u00a0 Refer to the associated Supplemental File \"SuppCruiseTable_dec11.xlsx\"\u00a0for a detailed description of sampling and analytical methods associated with new data and references associated with published data. \"qc\" refers to \"qualtiy control and methods\"; see related references and descriptions in the Supplemental File. GOSHIP (qc1): N2O was measured using shipboard gas chromatography-electron capture detection (GC-ECD) using analytical techniques modified from those described in Bullister and Wisegarver (2008). N2O was purged from 200 mL seawater samples using N2 carrier gas and trapped onto a trap that included MS5A held at -60\u00b0C. The trap was subsequently heated to 175\u00b0C to release N2O, which was further separated and purified via two precolumns before being quantified using electron capture detection. (The carrier gas for the N2O analyses was a 95%Ar/5% CH4 mix) The analytical system was calibrated frequently using internal standards of known N2O compositions or standards from Working Group no. 143 of the Scientific Committee on Oceanic Research (SCOR) (Wilson et al. 2018). Concentrations of N2O in seawater samples and gas standards are reported relative to the SIO98 calibration scale. SPOT (qc3): Dissolved N2O concentrations were measured using a headspace equilibration method modified from Laperriere et al. (2019). A 30-mL ultra- high purity N2 headspace was introduced into 160 mL seawater samples using a 30-mL syringe with a second empty 30-mL syringe inserted into the septum to collect displaced sample water. Each headspace was overpressured with 10 mL of ultra high purity N2 to minimize atmospheric contamination. Samples were analyzed on an SRI 8610 Greenhouse Gas Monitoring Gas Chromatograph (GC) equipped with an electron capture detector (ECD), dual HayeSep D packed columns, and a 1-mL sample loop (SRI Instruments, Torrance, California, USA). Ultra-high purity N2 gas was used as the carrier with the sample loop kept at 60 \u00b0C and the column oven kept at 100 \u00b0C. Two certified standards, 0.1 ppm and 1 ppm N2O (Matheson Tri-Gas) were used for daily calibration using a linear calibration scheme. Others (qc2): N2O concentrations were measured with a GV IsoPrime Continuous Flow Isotope-Ratio Mass Spectrometer (CF-IRMS) as described in Bourbonnais et al. (2017). Briefly, seawater was pumped from sample bottles and completely extracted using a gas-extractor continuously sparged with He. N2O was then concentrated and purified in a purge-trap system. CO2 and H2O were removed with chemical and cryogenic traps. N2O was cryofocused with liquid N2 traps and passed through a gas chromatography (GC) column before IRMS analysis. N2O concentrations were calculated from relative peak heights between the samples and seawater standards of known N2O concentration equilibrated with the atmosphere at 5C and 20C. Equilibrium surface N2O concentrations were calculated based on the global mean atmospheric N2O dry mole fraction at the time of the cruise. The data were inter calibrated with samples also measured using purge-trap gas extraction systems coupled with either a GC-Electron Capture Detector (ECD) or a GC-quadrupole mass spectrometer (Fenwick et al., 2017) when available (e.g., P18 GO-SHIP, ArcticNet 2017 expedition) and yielded comparable N2O concentrations (generally less than 5% difference). The data is compiled from multiple sources, published and unpublished. Refer to the Supplemental File, \"SuppCruiseTable_dec11.xlsx\", for a detailed description of sampling and analytical methods associated with new data and references associated with published data.
attribute	NC_GLOBAL	awards_0_award_nid	String	809664
attribute	NC_GLOBAL	awards_0_award_number	String	OCE-1847687
attribute	NC_GLOBAL	awards_0_data_url	String	http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1847687
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	Elizabeth Canuel
attribute	NC_GLOBAL	awards_0_program_manager_nid	String	778642
attribute	NC_GLOBAL	cdm_data_type	String	Other
attribute	NC_GLOBAL	comment	String	Surface N2O Compilation orig file name: surfocean-n2o-compilation.csv PI: Daniele Bianchi (UCLA) Co-PI: Simon Yang (UCLA) Version date: 27 April 2020 ** NOTE: This is a large dataset that may take some time to fully load in the browser.
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/
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	2020-04-27T16:58:48Z
attribute	NC_GLOBAL	date_modified	String	2020-05-01T19:16:38Z
attribute	NC_GLOBAL	defaultDataQuery	String	&time<now
attribute	NC_GLOBAL	doi	String	10.26008/1912/bco-dmo.810032.1
attribute	NC_GLOBAL	Easternmost_Easting	double	359.999995521472
attribute	NC_GLOBAL	geospatial_lat_max	double	88.3943333333333
attribute	NC_GLOBAL	geospatial_lat_min	double	-77.177
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	359.999995521472
attribute	NC_GLOBAL	geospatial_lon_min	double	0.0
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	geospatial_vertical_max	double	9.973
attribute	NC_GLOBAL	geospatial_vertical_min	double	0.0
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/810032
attribute	NC_GLOBAL	institution	String	BCO-DMO
attribute	NC_GLOBAL	instruments_0_acronym	String	IR Mass Spec
attribute	NC_GLOBAL	instruments_0_dataset_instrument_description	String	Others (see qc2): GV IsoPrime Continuous Flow Isotope-Ratio Mass Spectrometer (CF-IRMS)
attribute	NC_GLOBAL	instruments_0_dataset_instrument_nid	String	810055
attribute	NC_GLOBAL	instruments_0_description	String	The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
attribute	NC_GLOBAL	instruments_0_instrument_external_identifier	String	https://vocab.nerc.ac.uk/collection/L05/current/LAB16/
attribute	NC_GLOBAL	instruments_0_instrument_name	String	Isotope-ratio Mass Spectrometer
attribute	NC_GLOBAL	instruments_0_instrument_nid	String	469
attribute	NC_GLOBAL	instruments_0_supplied_name	String	GV IsoPrime Continuous Flow Isotope-Ratio Mass Spectrometer
attribute	NC_GLOBAL	instruments_1_acronym	String	Gas Chromatograph
attribute	NC_GLOBAL	instruments_1_dataset_instrument_description	String	GOSHIP: Shipboard gas chromatography-electron capture detection (GC-ECD) SPOT: SRI 8610 Greenhouse Gas Monitoring Gas Chromatograph (GC) equipped with an electron capture detector (ECD), dual HayeSep D packed columns, and a 1-mL sample loop (SRI Instruments, Torrance, California, USA).
attribute	NC_GLOBAL	instruments_1_dataset_instrument_nid	String	810054
attribute	NC_GLOBAL	instruments_1_description	String	Instrument separating gases, volatile substances, or substances dissolved in a volatile solvent by transporting an inert gas through a column packed with a sorbent to a detector for assay. (from SeaDataNet, BODC)
attribute	NC_GLOBAL	instruments_1_instrument_external_identifier	String	https://vocab.nerc.ac.uk/collection/L05/current/LAB02/
attribute	NC_GLOBAL	instruments_1_instrument_name	String	Gas Chromatograph
attribute	NC_GLOBAL	instruments_1_instrument_nid	String	661
attribute	NC_GLOBAL	instruments_1_supplied_name	String	Shipboard gas chromatography-electron capture detection
attribute	NC_GLOBAL	keywords	String	atm, atmPressure, bco, bco-dmo, biological, chemical, cruise, data, dataset, date, day, density, depth, dmo, dn2o, dn2o_ppb, earth, Earth Science > Oceans > Salinity/Density > Salinity, erddap, latitude, longitude, management, month, n2o, n2o_nM, n2o_ppb, ocean, oceanography, oceans, office, ppb, practical, preliminary, pressure, salinity, science, sea, sea_water_practical_salinity, seawater, temperature, time, water, year
attribute	NC_GLOBAL	keywords_vocabulary	String	GCMD Science Keywords
attribute	NC_GLOBAL	license	String	https://www.bco-dmo.org/dataset/810032/license
attribute	NC_GLOBAL	metadata_source	String	https://www.bco-dmo.org/api/dataset/810032
attribute	NC_GLOBAL	Northernmost_Northing	double	88.3943333333333
attribute	NC_GLOBAL	param_mapping	String	{'810032': {'latitude': 'flag - latitude', 'depth': 'flag - depth', 'longitude': 'flag - longitude'}}
attribute	NC_GLOBAL	parameter_source	String	https://www.bco-dmo.org/mapserver/dataset/810032/parameters
attribute	NC_GLOBAL	people_0_affiliation	String	University of California-Los Angeles
attribute	NC_GLOBAL	people_0_affiliation_acronym	String	UCLA
attribute	NC_GLOBAL	people_0_person_name	String	Daniele Bianchi
attribute	NC_GLOBAL	people_0_person_nid	String	809667
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-Los Angeles
attribute	NC_GLOBAL	people_1_affiliation_acronym	String	UCLA
attribute	NC_GLOBAL	people_1_person_name	String	Simon Yang
attribute	NC_GLOBAL	people_1_person_nid	String	810042
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	Shannon Rauch
attribute	NC_GLOBAL	people_2_person_nid	String	51498
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	Multiple Scales of Nitrogen Cycle in the Ocean
attribute	NC_GLOBAL	projects_0_acronym	String	Multiple Scales of Nitrogen Cycle in the Ocean
attribute	NC_GLOBAL	projects_0_description	String	NSF Award Abstract: The nitrogen cycle in the ocean is key to ocean productivity, carbon storage, and emissions of nitrous oxide, a potent greenhouse gas, to the atmosphere. The chemical processes that connect nitrogen species in the ocean are sensitive to the amount of oxygen dissolved in seawater. These reactions become more intense within oxygen minimum zones, areas of the ocean with little or no dissolved oxygen. Oxygen minimum zones are affected by currents that range in scale from hundreds to less than few kilometers. These currents create microhabitats where nitrogen cycling and nitrous oxide emissions are higher. This project investigates the interaction between small-scale ocean circulation, oxygen availability, and the nitrogen cycle. It uses a series of increasingly finer-scale numerical simulations of the Pacific Ocean, where two of the largest oxygen minimum zones are found. These simulations provide information about nitrogen transformations and nitrous oxide emissions on timescales from less than one year to several decades, and spatial scales from a few kilometers to the basin scale. This research will increase our ability to simulate and predict ocean responses to natural and human disturbances, with implications for society. The educational component of the project establishes a series of ocean-going chemical oceanography activities for approximately 100 undergraduate students at the University of California at Los Angeles each year. The field trips involve half-day cruises in the Santa Monica Bay, where students sample a variety of biogeochemical properties. Observations collected during the field trips will be used as a resource in classroom activities and student research projects. The field trips and educational materials offer opportunities to explore cutting-edge questions in ocean biogeochemistry, increase student interest in ocean sciences and access to research, and enhance student learning and self-efficacy, ultimately promoting retention in oceanography and STEM. Oxygen minimum zones host major nitrogen transformations, including denitrification, anammox, and nitrous oxide production, which are essential for biogeochemistry and climate. These reactions are strongly partitioned along oxygen gradients in the suboxic range, making them sensitive to ventilation and chemical heterogeneity driven by variable ocean currents. However, the nature of this sensitivity is poorly understood. The objective of this project is to test the hypothesis that physical circulation at scales from tens of kilometers (mesoscale) to less than one kilometer (submesoscale) is critical in shaping these nitrogen cycle transformations. To test the hypothesis and investigate its implications, we will optimize a new model of the nitrogen cycle against a range of recent observations, and implement it in a realistic three-dimensional hydrodynamic-biogeochemical model. We will adopt a nesting strategy to downscale a Pacific-wide historical simulation to a series of regional domains at resolutions down to few kilometers or less, resolving the oxygen minimum zone boundaries and their fine-scale variability. By analyzing these model solutions, we will: (1) constrain the sensitivity of the microbial nitrogen cycle to oxygen, ventilation, and chemical heterogeneity; (2) in light of this sensitivity, quantify the role of mesoscale and submesoscale processes in shaping nitrogen transformations and transport across oxygen minimum zone boundaries; and (3) investigate the response of the nitrogen cycle to climate variability, in particular fixed-nitrogen losses and nitrous oxide emissions to the atmosphere.
attribute	NC_GLOBAL	projects_0_end_date	String	2024-06
attribute	NC_GLOBAL	projects_0_geolocation	String	Global
attribute	NC_GLOBAL	projects_0_name	String	CAREER: Multiple Scales of Nitrogen Cycle in Oxygen Minimum Zones
attribute	NC_GLOBAL	projects_0_project_nid	String	809665
attribute	NC_GLOBAL	projects_0_start_date	String	2019-07
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	-77.177
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v55
attribute	NC_GLOBAL	summary	String	Global reconstruction of surface oceanic N2O disequilibrium and its associated flux. The dataset consists of (1) a global compilation of observed nitrous oxide pressure, concentration, mixing ratio measurements and their associated disequilibrium in the surface ocean; (2) the globally mapped N2O disequilibrium predicted by a supervised learning algorithm, and (3) the reconstructed ocean to atmosphere N2O flux.
attribute	NC_GLOBAL	title	String	[N2O Global Reconstruction] - Global reconstruction of surface oceanic N2O disequilibrium and its associated flux (CAREER: Multiple Scales of Nitrogen Cycle in Oxygen Minimum Zones)
attribute	NC_GLOBAL	version	String	1
attribute	NC_GLOBAL	Westernmost_Easting	double	0.0
attribute	NC_GLOBAL	xml_source	String	osprey2erddap.update_xml() v1.5
variable	cruise		String
attribute	cruise	bcodmo_name	String	Cruise Name
attribute	cruise	description	String	Cruise name
attribute	cruise	long_name	String	Cruise
attribute	cruise	units	String	unitless
variable	date		String
attribute	date	bcodmo_name	String	date
attribute	date	description	String	Date; format: YYYY-MM-DD
attribute	date	long_name	String	Date
attribute	date	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/
attribute	date	source_name	String	date
attribute	date	time_precision	String	1970-01-01
attribute	date	units	String	unitless
variable	year		short
attribute	year	_FillValue	short	32767
attribute	year	actual_range	short	1971, 2018
attribute	year	bcodmo_name	String	year
attribute	year	description	String	Measurement year; format: YYYY
attribute	year	long_name	String	Year
attribute	year	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/
attribute	year	units	String	unitless
variable	month		byte
attribute	month	_FillValue	byte	127
attribute	month	actual_range	byte	1, 12
attribute	month	bcodmo_name	String	month
attribute	month	description	String	Measurement month; format: MM
attribute	month	long_name	String	Month
attribute	month	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/MNTHXXXX/
attribute	month	units	String	unitless
variable	day		byte
attribute	day	_FillValue	byte	127
attribute	day	actual_range	byte	1, 31
attribute	day	bcodmo_name	String	day
attribute	day	description	String	Measurement day; format: DD
attribute	day	long_name	String	Day
attribute	day	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/DAYXXXXX/
attribute	day	units	String	unitless
variable	latitude		double
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	_FillValue	double	NaN
attribute	latitude	actual_range	double	-77.177, 88.3943333333333
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	Measurement 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/
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	0.0, 359.999995521472
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	Measurement 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/
attribute	longitude	standard_name	String	longitude
attribute	longitude	units	String	degrees_east
variable	depth		double
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	_FillValue	double	NaN
attribute	depth	actual_range	double	0.0, 9.973
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	Measurement depth
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/
attribute	depth	positive	String	down
attribute	depth	standard_name	String	depth
attribute	depth	units	String	m
variable	n2o_ppb		double
attribute	n2o_ppb	_FillValue	double	NaN
attribute	n2o_ppb	actual_range	double	140.097262188757, 30401.7581479621
attribute	n2o_ppb	bcodmo_name	String	Nitrous Oxide
attribute	n2o_ppb	description	String	Ocean n2o mixing ratio
attribute	n2o_ppb	long_name	String	N2o Ppb
attribute	n2o_ppb	units	String	ppb
variable	n2o_nM		double
attribute	n2o_nM	_FillValue	double	NaN
attribute	n2o_nM	actual_range	double	3.41, 842.972937199327
attribute	n2o_nM	bcodmo_name	String	Nitrous Oxide
attribute	n2o_nM	description	String	Ocean n2o mixing ratio
attribute	n2o_nM	long_name	String	N2o N M
attribute	n2o_nM	units	String	nmol/L
variable	dn2o_ppb		double
attribute	dn2o_ppb	_FillValue	double	NaN
attribute	dn2o_ppb	actual_range	double	-178.519816514739, 30076.2397223307
attribute	dn2o_ppb	bcodmo_name	String	Nitrous Oxide
attribute	dn2o_ppb	description	String	Estimated n2o disequilibrium
attribute	dn2o_ppb	long_name	String	Dn2o Ppb
attribute	dn2o_ppb	units	String	ppb
variable	atmPressure		double
attribute	atmPressure	_FillValue	double	NaN
attribute	atmPressure	actual_range	double	0.940551788914571, 1.02529054735944
attribute	atmPressure	bcodmo_name	String	press_bar
attribute	atmPressure	description	String	Sea level pressure estimated at observed time and location
attribute	atmPressure	long_name	String	Atm Pressure
attribute	atmPressure	units	String	atm
variable	temperature		double
attribute	temperature	_FillValue	double	NaN
attribute	temperature	actual_range	double	-2.2, 31.896
attribute	temperature	bcodmo_name	String	temperature
attribute	temperature	description	String	Co-measured temperature
attribute	temperature	long_name	String	Temperature
attribute	temperature	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/
attribute	temperature	units	String	degrees Celsius
variable	salinity		double
attribute	salinity	_FillValue	double	NaN
attribute	salinity	actual_range	double	0.0, 42.2815780639648
attribute	salinity	bcodmo_name	String	sal
attribute	salinity	colorBarMaximum	double	37.0
attribute	salinity	colorBarMinimum	double	32.0
attribute	salinity	description	String	Co-measured salinity (or estimated from climatology if absent)
attribute	salinity	long_name	String	Sea Water Practical Salinity
attribute	salinity	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/
attribute	salinity	units	String	g/kg

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.