ERDDAP > info > aerosol_optical_gvb_2022

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	Aerosol scattering and absorption coefficients at the Gruvebadet Aerosol Laboratory (Svalbard), from 2022		F   I   M	background			CNR	aerosol_optical_gvb_2022

The Dataset's Variables and Attributes

Row Type	Variable Name	Attribute Name	Data Type	Value
attribute	NC_GLOBAL	acknowledgement	String	The dataset is provided in the framework of the SIOS core data curation call [Research Council of Norway, project number 2022_SCD_01, Svalbard Integrated Arctic Earth Observing System - Knowledge Centre, operational phase]
attribute	NC_GLOBAL	cdm_data_type	String	TimeSeries
attribute	NC_GLOBAL	cdm_timeseries_variables	String	station_id,latitude,longitude
attribute	NC_GLOBAL	Conventions	String	ACDD-1.3, COARDS, CF-1.6
attribute	NC_GLOBAL	creator_email	String	mauro.mazzola at cnr.it
attribute	NC_GLOBAL	creator_name	String	CNR
attribute	NC_GLOBAL	creator_type	String	institution
attribute	NC_GLOBAL	creator_url	String	https://iadc.cnr.it
attribute	NC_GLOBAL	Easternmost_Easting	double	11.86587
attribute	NC_GLOBAL	featureType	String	TimeSeries
attribute	NC_GLOBAL	geospatial_lat_max	double	78.92136
attribute	NC_GLOBAL	geospatial_lat_min	double	78.92136
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	11.86587
attribute	NC_GLOBAL	geospatial_lon_min	double	11.86587
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	history	String	For the scattering coefficient the truncation error correction is performed according to Muller et al. (2009) and assuming a scattering angstrom exponent of 1.15 (Schmeisser et al., 2018). For absorption coefficient, we calculated aerosol absorption coefficient at seven wavelengths according to the formula reported by Drinovec et al. (2015). Corrected aerosol absorption coefficient was derived from the increment of aerosol attenuation measured over a time interval of 60 minutes (dATN). The attenuation was normalized by the sampling flow (F), corrected for the leakage factor z (1%), and the filter collection spot area (S=0.785 cm2). To take into account the loading effect, which would lead to an underestimation of aerosol absorption when filter loading increases, the normalized attenuation increment was divided by the factor (1-kATN), where k is derived from the simultaneous attenuation measurements on two different filter spots characterized by different sampling flows (Drinovec et al., 2015). The parameter k in formula (1) is the average value during the 1-hour time interval and it was calculated assuming that it varied linearly in time. The parameter C compensates for the enhancement of aerosol optical absorption due to the scattering of light by the filter fibers and it was equal to 1.39. Black carbon (BC) concentration derived from the aerosol absorption coefficient at 880 nm and assuming a Mass Absorption Cross section of 7.77 m2/g (according to the instrument manufacturer).. Both absorption and scattering coefficient measurements are normalized at standard pressure and temperature conditions (1 atm and 0 degC), averaged over a 1-hour period, and provided at all available wavelengths.
attribute	NC_GLOBAL	infoUrl	String	https://iadc.cnr.it
attribute	NC_GLOBAL	institution	String	CNR
attribute	NC_GLOBAL	keywords	String	aerosol absorption coefficient, aerosol scattering coefficient, BC
attribute	NC_GLOBAL	keywords_vocabulary	String	GCMD Science Keywords
attribute	NC_GLOBAL	license	String	CC BY-NC: This license allows reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator.
attribute	NC_GLOBAL	Northernmost_Northing	double	78.92136
attribute	NC_GLOBAL	product_version	String	2022
attribute	NC_GLOBAL	references	String	Müller, T., Nowak, A., Wiedensohler, A., Sheridan, P., Laborde, M., Covert, D.S., Marinoni, A., Imre, K., Henzing, B., Roger, J.C., Martins dos Santos, S., Wilhelm, R., Wang, Y.Q., de Leeuw, G. (2009) Angular Illumination and Truncation of Three Different Integrating Nephelometers: Implications for Empirical, Size-Based Corrections, Aerosol Science and Technology, 43:6, 581-586, DOI: 10.1080/02786820902798484; Schmeisser, L., Backman, J., Ogren, J. A., Andrews, E., Asmi, E., Starkweather, S., Uttal, T., Fiebig, M., Sharma, S., Eleftheriadis, K., Vratolis, S., Bergin, M., Tunved, P., and Jefferson, A.: Seasonality of aerosol optical properties in the Arctic, Atmos. Chem. Phys., 18, 11599-11622, https://doi.org/10.5194/acp-18-11599-2018, 2018; Drinovec, L., Močnik, G., Zotter, P., Prévôt, A. S. H., Ruckstuhl, C., Coz, E., Rupakheti, M., Sciare, J., Müller, T., Wiedensohler, A., and Hansen, A. D. A.: The "dual-spot" Aethalometer: an improved measurement of aerosol black carbon with real-time loading compensation, Atmos. Meas. Tech., 8, 1965–1979, https://doi.org/10.5194/amt-8-1965-2015, 2015.
attribute	NC_GLOBAL	sourceUrl	String	(local files)
attribute	NC_GLOBAL	Southernmost_Northing	double	78.92136
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v55
attribute	NC_GLOBAL	summary	String	At the Gruvebadet Aerosol Laboratory (GAL) aerosol scattering coefficient is measured at a single wavelength (530 nm) using a Radiance Research nephelometer. Aerosol light absorption is measured 7 wavelengths (370, 470, 520, 590, 660, 880, 950 nm) measured using an AETHALOMETER AE33 from Aerosol Magee Scientific. Data is acquired continuously at 1-minute time resolution by both instruments.
attribute	NC_GLOBAL	time_coverage_end	String	2022-12-28T09:00:00Z
attribute	NC_GLOBAL	time_coverage_start	String	2022-01-01T19:00:00Z
attribute	NC_GLOBAL	title	String	Aerosol scattering and absorption coefficients at the Gruvebadet Aerosol Laboratory (Svalbard), from 2022
attribute	NC_GLOBAL	Westernmost_Easting	double	11.86587
variable	station_id		String
attribute	station_id	actual_range	String	Gruvebadet Gruvebadet
attribute	station_id	cf_role	String	timeseries_id
attribute	station_id	long_name	String	Id of the station in the TimeSeries
variable	latitude		float
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	actual_range	float	78.92136, 78.92136
attribute	latitude	axis	String	Y
attribute	latitude	ioos_category	String	Location
attribute	latitude	long_name	String	latitude position of the station
attribute	latitude	standard_name	String	latitude
attribute	latitude	units	String	degrees_north
variable	longitude		float
attribute	longitude	_CoordinateAxisType	String	Lon
attribute	longitude	actual_range	float	11.86587, 11.86587
attribute	longitude	axis	String	X
attribute	longitude	ioos_category	String	Location
attribute	longitude	long_name	String	longitude position of the station
attribute	longitude	standard_name	String	longitude
attribute	longitude	units	String	degrees_east
variable	time		double
attribute	time	_CoordinateAxisType	String	Time
attribute	time	actual_range	double	1.6410636E9, 1.672218E9
attribute	time	axis	String	T
attribute	time	ioos_category	String	Time
attribute	time	long_name	String	Date and time of the measurement
attribute	time	standard_name	String	time
attribute	time	time_origin	String	01-JAN-1970 00:00:00
attribute	time	units	String	seconds since 1970-01-01T00:00:00Z
variable	aerosol_absorption_coefficient_370nm		float
attribute	aerosol_absorption_coefficient_370nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_370nm	actual_range	float	-1.458, 45.402
attribute	aerosol_absorption_coefficient_370nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_370nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_370nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 370 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_370nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_370nm	units	String	m^-1
variable	aerosol_absorption_coefficient_470nm		float
attribute	aerosol_absorption_coefficient_470nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_470nm	actual_range	float	-1.582, 39.219
attribute	aerosol_absorption_coefficient_470nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_470nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_470nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 470 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_470nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_470nm	units	String	m^-1
variable	aerosol_absorption_coefficient_520nm		float
attribute	aerosol_absorption_coefficient_520nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_520nm	actual_range	float	-1.686, 35.545
attribute	aerosol_absorption_coefficient_520nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_520nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_520nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 520 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_520nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_520nm	units	String	m^-1
variable	aerosol_absorption_coefficient_590nm		float
attribute	aerosol_absorption_coefficient_590nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_590nm	actual_range	float	-1.675, 31.075
attribute	aerosol_absorption_coefficient_590nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_590nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_590nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 590 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_590nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_590nm	units	String	m^-1
variable	aerosol_absorption_coefficient_660nm		float
attribute	aerosol_absorption_coefficient_660nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_660nm	actual_range	float	-1.592, 27.547
attribute	aerosol_absorption_coefficient_660nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_660nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_660nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 660 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_660nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_660nm	units	String	m^-1
variable	aerosol_absorption_coefficient_880nm		float
attribute	aerosol_absorption_coefficient_880nm	_FillValue	float	NaN
attribute	aerosol_absorption_coefficient_880nm	actual_range	float	-1.605, 23.412
attribute	aerosol_absorption_coefficient_880nm	comment	String	See full report.
attribute	aerosol_absorption_coefficient_880nm	ioos_category	String	Unknown
attribute	aerosol_absorption_coefficient_880nm	long_name	String	Aerosol absorption coefficient (1 hour average) measured at 880 nm and standard temperature and pressure
attribute	aerosol_absorption_coefficient_880nm	standard_name	String	volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_absorption_coefficient_880nm	units	String	m^-1
variable	black_carbon_880nm		float
attribute	black_carbon_880nm	_FillValue	float	NaN
attribute	black_carbon_880nm	actual_range	float	-206.527, 3013.128
attribute	black_carbon_880nm	comment	String	See full report.
attribute	black_carbon_880nm	ioos_category	String	Unknown
attribute	black_carbon_880nm	long_name	String	Mass concentration (1 hour average) of equivalent black carbon from absorption measured at 880 nm and at standard temperature and pressure
attribute	black_carbon_880nm	standard_name	String	mass_concentration_of_absorption_equivalent_black_carbon_of_dry_aerosol_particles_in_air
attribute	black_carbon_880nm	units	String	g^m-3
variable	aerosol_scattering_coefficient_530nm		float
attribute	aerosol_scattering_coefficient_530nm	_FillValue	float	NaN
attribute	aerosol_scattering_coefficient_530nm	actual_range	float	0.001, 105.086
attribute	aerosol_scattering_coefficient_530nm	comment	String	See full report.
attribute	aerosol_scattering_coefficient_530nm	ioos_category	String	Unknown
attribute	aerosol_scattering_coefficient_530nm	long_name	String	Aerosol scattering coefficient (1 hour average) measured at 530 nm and standard temperature and pressure
attribute	aerosol_scattering_coefficient_530nm	standard_name	String	volume_scattering_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute	aerosol_scattering_coefficient_530nm	units	String	m^-1

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.