Citation information for individual datasets is often provided in the metadata. However, not all datasets have this information embedded in the discovery metadata. On a general basis a citation of a dataset include the same components as any other citation:
author,
title,
year of publication,
publisher (for data this is often the archive where it is housed),
edition or version,
access information (a URL or persistent identifier, e.g. DOI if provided)
The information required to properly cite a dataset is normally provided in the discovery metadata the datasets.
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Brief user guide
The Data Access Portal has information in 3 columns. An outline of the content in these columns is provided above. When first entering the search interface, all potential datasets are listed. Datasets are indicated in the map and results tabulation elements which are located in the middle column. The order of results can be modified using the "Sort by" option in the left column. On top of this column is normally relevant guidance information to user presented as collapsible elements.
If the user want to refine the search, this can be done by constraining the bounding box search. This is done in the map - the listing of datasets is automatically updated. Date constraints can be added in the left column. For these to take effect, the user has to push the button marked search. In the left column it is also possible to specific text elements to search for in the datasets. Again pushing the button marked "Search" is necessary for these to take action. Complex search patterns can be constructed using logical operators through the drop down menu above the text field. Text strings that are not quoted are treated as separate words and will match any of the words (i.e. assuming the OR operator). Phrases may be prefixed with '-' to indicate no occurence of the phrase in the results.
Other elements indicated in the left and right columns are facet searches, i.e. these are keywords that are found in the datasets and all datasets that contain these specific keywords in the appropriate metadata elements are listed together. Further refinement can be done using full text, date or bounding box constraints. Individuals, organisations and data centres involved in generating or curating the datasets are listed in the facets in the right column.
Ground based in situ observations of sulphur_dioxide at Bassum (DE0012R) using abs_solution. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: RO01L, Research and Engineering Institute for Environment, Spl. Independentei 294 Sector 6, Cod. 77703, BUCURESTI 78, Romania, RO01L, Research and Engineering Institute for Environment, Spl. Independentei 294 Sector 6, Cod. 77703, BUCURESTI 78, Romania
Last metadata update: 2021-02-11T00:00:00Z
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Ground based in situ observations of NA at Rarau (RO0001R). These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: precipitation_amount in precip (lwe_thickness_of_precipitation_amount), ammonium in precip (mass_concentration_of_ammonium_in_precipitation), calcium in precip (mass_concentration_of_calcium_in_precipitation), chloride in precip (mass_concentration_of_chloride_in_precipitation), conductivity in precip (conductivity_in_precipitation), magnesium in precip (mass_concentration_of_magnesium_in_precipitation), nitrate in precip (mass_concentration_of_nitrate_in_precipitation), pH in precip (mass_concentration_of_pH_in_precipitation), potassium in precip (mass_concentration_of_potassium_in_precipitation), sodium in precip (mass_concentration_of_sodium_in_precipitation), sulphate_corrected in precip (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_precipitation), sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Ground based in situ observations of carbon_monoxide at Hohenpeissenberg (DE0043G) using uv_fluoresc. These measurements are gathered as a part of the following projects GAW-WDCGG-node, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air)
License : GAW-WDCGG-node: , EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: RU01L, Institute of Global Climate and Ecology, Glebovskaya 20b, 107258 MOSCOW, Russian Federeation, RU01L, Institute of Global Climate and Ecology, Glebovskaya 20b, 107258 MOSCOW, Russian Federeation
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of filter_1pack at Pinega (RU0013R). These measurements are gathered as a part of the following projects AMAP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : AMAP: For scientific purposes, access to the AMAP data is unlimited but by their use you accept that an offer of co-authorship will be made through personal contact with the data producer or owner., EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: CZ01L, Czech Hydrometeorological Institute, Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic, CZ01L, Czech Hydrometeorological Institute, Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of filter_2pack at Chopok (SK0002R). These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: FR02L, Laboratoire Wolff-Environnement, Service de l'Air, 1 Allee de la Chartreuse, Z.I. Petite Montagne Nord, CE1441 91020 EVRY CEDEX, France, FR02L, Laboratoire Wolff-Environnement, Service de l'Air, 1 Allee de la Chartreuse, Z.I. Petite Montagne Nord, CE1441 91020 EVRY CEDEX, France
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of sulphur_dioxide at Bonnevaux (FR0011R) using abs_solution. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: AT03L, Umweltbundesamt Wien, UBA-AQC, Air Quality Control, Spittelauer Lände 5, 1090, Wien, Austria, AT03L, Umweltbundesamt Wien, UBA-AQC, Air Quality Control, Spittelauer Lände 5, 1090, Wien, Austria
Last metadata update: 2023-10-16T00:00:00Z
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Abstract:
Ground based in situ observations of ozone at Haunsberg (AT0041R) using uv_abs. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ozone in air (mole_fraction_of_ozone_in_air), ozone in air (mass_concentration_of_ozone_in_air)
Institutions: SE01L, Swedish Environmental Research Institute, IVL, P.O.Box 47086, S-402 58 GÖTEBORG, Sweden, SE01L, Swedish Environmental Research Institute, IVL, P.O.Box 47086, S-402 58 GÖTEBORG, Sweden
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of sulphur_dioxide at Velen (SE0003R) using filter_abs_solution. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway, NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2023-04-28T00:00:00Z
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Abstract:
Ground based in situ observations of ozone at Svanvik (NO0047R) using uv_abs. These measurements are gathered as a part of the following projects NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ozone in air (mole_fraction_of_ozone_in_air), ozone in air (mass_concentration_of_ozone_in_air)
Ground based in situ observations of high_vol_sampler at Alert (CA0420G). These measurements are gathered as a part of the following projects AMAP, AMAP_public and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 1-2-3-4-tetrachlorobenzene in aerosol (mass_concentration_of_1234_tetrachlorobenzene_in_dry_aerosol_particles_in _air), 1-2-3-4-tetrachlorobenzene in air (mass_concentration_of_1234_tetrachlorobenzene_in_air), 1-2-4-5-tetrachlorobenzene in aerosol (mass_concentration_of_1245_tetrachlorobenzene_in_dry_aerosol_particles_in _air), 1-2-4-5-tetrachlorobenzene in air (mass_concentration_of_1245_tetrachlorobenzene_in_air), HCB in aerosol (mass_concentration_of_hexachlorobenzene_in_dry_aerosol_particles_in _air), HCB in air (mass_concentration_of_hexachlorobenzene_in_air), alpha_HCH in aerosol (mass_concentration_of_alpha_hexachlorocyclohexane_in_dry_aerosol_particles_in _air), alpha_HCH in air (mass_concentration_of_alpha_hexachlorocyclohexane_in_air), beta_HCH in aerosol (mass_concentration_of_beta_hexachlorocyclohexane_in_dry_aerosol_particles_in _air), beta_HCH in air (mass_concentration_of_beta_hexachlorocyclohexane_in_air), cis_CD in aerosol (mass_concentration_of_cis_chlordane_in_dry_aerosol_particles_in _air), cis_CD in air (mass_concentration_of_cis_chlordane_in_air), cis_NO in aerosol (mass_concentration_of_cis_nonechlor_in_dry_aerosol_particles_in _air), cis_NO in air (mass_concentration_of_cis_nonechlor_in_air), dieldrin in aerosol (mass_concentration_of_dieldrin_in_dry_aerosol_particles_in _air), dieldrin in air (mass_concentration_of_dieldrin_in_air), endosulfan in aerosol (mass_concentration_of_endosulfan_in_dry_aerosol_particles_in _air), endosulfan in air (mass_concentration_of_endosulfan_in_air), endosulfan in air+aerosol (mass_concentration_of_endosulfan_in_aerosol), endrin in aerosol (mass_concentration_of_endrin_in_dry_aerosol_particles_in _air), endrin in air (mass_concentration_of_endrin_in_air), gamma_HCH in aerosol (mass_concentration_of_gamma_hexachlorocyclohexane_in_dry_aerosol_particles_in _air), gamma_HCH in air (mass_concentration_of_gamma_hexachlorocyclohexane_in_air), heptachlor in aerosol (mass_concentration_of_heptachlor_in_dry_aerosol_particles_in _air), heptachlor in air (mass_concentration_of_heptachlor_in_air), heptachlorepoxide in aerosol (mass_concentration_of_heptachlor_epoxide_in_dry_aerosol_particles_in _air), heptachlorepoxide in air (mass_concentration_of_heptachlor_epoxide_in_air), methoxychlor in aerosol (mass_concentration_of_methoxychlor_in_dry_aerosol_particles_in _air), methoxychlor in air (mass_concentration_of_methoxychlor_in_air), mirex in aerosol (mass_concentration_of_mirex_in_dry_aerosol_particles_in _air), mirex in air (mass_concentration_of_mirex_in_air), octachlorostyrene in aerosol (mass_concentration_of_octachlorostyrene_in_dry_aerosol_particles_in _air), octachlorostyrene in air (mass_concentration_of_octachlorostyrene_in_air), op_DDD in aerosol (mass_concentration_of_op_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in _air), op_DDD in air (mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air), op_DDE in aerosol (mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in _air), op_DDE in air (mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air), op_DDT in aerosol (mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in _air), op_DDT in air (mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air), oxychlordane in aerosol (mass_concentration_of_oxychlordane_in_dry_aerosol_particles_in _air), oxychlordane in air (mass_concentration_of_oxychlordane_in_air), pentachloroanisole in aerosol (mass_concentration_of_pentachloroanisole_in_dry_aerosol_particles_in _air), pentachloroanisole in air (mass_concentration_of_pentachloroanisole_in_air), pentachlorobenzene in aerosol (mass_concentration_of_pentachlorobenzene_in_dry_aerosol_particles_in _air), pentachlorobenzene in air (mass_concentration_of_pentachlorobenzene_in_air), photomirex in aerosol (mass_concentration_of_photomirex_in_dry_aerosol_particles_in _air), photomirex in air (mass_concentration_of_photomirex_in_air), pp_DDD in aerosol (mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in _air), pp_DDD in air (mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_air), pp_DDE in aerosol (mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in _air), pp_DDE in air (mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air), pp_DDT in aerosol (mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in _air), pp_DDT in air (mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air), tetrachloroveratrole in aerosol (mass_concentration_of_tetrachloroveratrole_in_dry_aerosol_particles_in _air), tetrachloroveratrole in air (mass_concentration_of_tetrachloroveratrole_in_air), trans_CD in aerosol (mass_concentration_of_trans_chlordane_in_dry_aerosol_particles_in _air), trans_CD in air (mass_concentration_of_trans_chlordane_in_air), trans_NO in aerosol (mass_concentration_of_trans_nonachlor_in_dry_aerosol_particles_in _air), trans_NO in air (mass_concentration_of_trans_nonachlor_in_air), trichloroveratrole in aerosol (mass_concentration_of_trichloroveratrole_in_dry_aerosol_particles_in _air), trichloroveratrole in air (mass_concentration_of_trichloroveratrole_in_air), trifluralin in aerosol (mass_concentration_of_trifluralin_in_dry_aerosol_particles_in _air), trifluralin in air (mass_concentration_of_trifluralin_in_air)
License : AMAP: For scientific purposes, access to the AMAP data is unlimited but by their use you accept that an offer of co-authorship will be made through personal contact with the data producer or owner., AMAP_public: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, 2007, Kjeller, Norway, NO01L, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of nitrogen_dioxide at Jergul (NO0030R) using abs_solution. These measurements are gathered as a part of the following projects AMAP, NILU, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)
License : AMAP: For scientific purposes, access to the AMAP data is unlimited but by their use you accept that an offer of co-authorship will be made through personal contact with the data producer or owner., NILU: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy)., EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: AR01L, Servicio Meteorologico Nacional, SMNA, Research and development department, 25 de Mayo 658, Dorrego 4016, 1002, CABA, Argentina, AR01L, Servicio Meteorologico Nacional, SMNA, Research and development department, 25 de Mayo 658, Dorrego 4016, 1002, CABA, Argentina
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of ozone at La Quiaca (AR0004R) using uv_abs. These measurements are gathered as a part of the following projects GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ozone in air (mass_concentration_of_ozone_in_air)
Institutions: CZ01L, Czech Hydrometeorological Institute, Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic, CZ01L, Czech Hydrometeorological Institute, Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of filter_2pack at Svratouch (CZ0001R). These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ammonia in air (mass_concentration_of_ammonia_expressed_as_nitrogen_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, 1675, Budapest, Hungary, HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, 1675, Budapest, Hungary
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of sulphur_dioxide at Kecskemét (HU0001R) using abs_solution. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).
Institutions: CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland, CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland
Last metadata update: 2021-02-11T00:00:00Z
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Abstract:
Ground based in situ observations of nitrogen_dioxide at Tänikon (CH0003R) using chemiluminescence_photolytic. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)
License : EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy).