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
Outline of the data portal search interface.
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.
Ocean microstructure profiles from a physical oceanography cruise in July-August 2022, in the Nansen and Amundsen Basin on R/V Kronprins Haakon, KH2022710. The data set includes 115 profiles of 1-decibar vertically averaged dissipation rate of turbulent kinetic energy, in situ temperature (ITS-90 scale) and salinity (practical salinity scale).
Quality
Profiles are collected using Sea and Sun Technology vertical microstructure profiler (MSS90L). The first 52 profiles are made with MSS053, the next ones with MSS046. The MSS90L is loosely tethered and is deployed using a winch, electric on board and maunal on the sea ice. Dissipation rate is measured using two airfoil shear probes. Profiles are averages from the two shear probes. The temperature and salinity profiles are measured from the SBE sensors on the same instrument. MSS90L has an unpumped CTD system. Careful corrections for temperature/conductivity sensor time lag and thermal lag were made. Temperature and salinity were corrected after comparison with the ship CTD. An offset of -0.05 is applied for profiles 13:52 and of +0.06 for profiles 53:115. Only downcasts from MSS90L are processed using the Sea and Sun technology routines. Resulting profiles are quality controlled, but still require caution from the user. More details are provided in the cruise report.
Conductivity-Temperature-Depth (CTD) profiles with auxiliary sensor data from Norwegian Polar Institute cruise Arctic Ocean 2023 - 2 from north of Svalbard, across the shelf slope, and into the deep Nansen Basin of the Arctic Ocean between 10-29 August 2023. Three stations - 182, 216, and 221 - were part of the A-DBO (https://arcticpassion.eu/adbo/) network. The dataset includes profiles of sensor temperature, conductivity, uncalibrated dissolved oxygen, chlorophyll fluorescence, colored dissolved organic matter (CDOM) fluorescence (voltage only), beam attenuation, and calculated practical salinity (EOS-80). Profile data are from down casts only and available in a 1 decibar vertical resolution (i.e. averaged into 1-decibar bins). Chlorophyll fluorescence was calibrated against sample bottles using linear regression through the origin, excluding values larger than 8 mg/m3 (Figure 1 in summary_CTD_AO-II-2023_CTD.pdf). The salinity was verified against sample bottle salinities (Figure 2 in summary_CTD_AO-II-2023_CTD.pdf). Additionally, parameters for temperature, conductivity, salinity, chlorophyll, and beam attenuation are provided for the sampled bottle depths (named NISKIN_*).
The data are contained in a single, self-documenting netCDF file. Profile data are organized in arrays with one column per cast and one row per pressure bin (BIN_*). Data corresponding to the bottle depths are organized similarly, with one column per cast and one row per Niskin bottle. For stations 179-192 and 215-221 a rosette with 24 bottles was used and for stations 193, 195-214 a rosette with 12 Niskin bottles. For the latter, maximum of 12 topmost rows in the array are filled. 1-dimensional metadata such as time and position are organized in a row-vector with one value per cast. All variables have the same number of columns, equal to the total number of CTD casts. For more information on the sampling routines, please refer to the AO-II-2023 cruise report (https://hdl.handle.net/11250/3114227). The CTD post-cruise processing included the removal of salinity spikes. The primary conductivity sensor was of better quality than the secondary sensor and data from the primary sensors were selected to be included.
Conductivity-Temperature-Depth (CTD) profiles from Norwegian Polar Institute cruise AO-I-2023 to the Fram Strait. The dataset includes profiles of sensor temperature, conductivity, dissolved oxygen, chlorophyll fluorescence, coloured dissolved organic matter fluorescence, beam attenuation, and calculated practical salinity (EOS-80). Profile data are from down casts only and made available in a vertical resolution of 1 decibar (i.e. averaged into 1-decibar bins). The dataset also includes laboratory measurements of salinity and chlorophyll a from Niskin bottle samples. Laboratory results for several core parameters are to be added successively. The data are contained in a single, self-documenting netCDF file. Profile data are organised in arrays with one column per cast and one row per depth bin (pressure bin). Bottle data are organised in arrays with one column per cast and one row per Niskin bottle. One-dimensional metadata (such as time and position) are organised as a single row with one column per cast. Two-dimensional metadata (such as sample number) relate to Niskin bottle data and are organised in arrays with one column per cast and one row per Niskin bottle. All variables have the same number of columns, equal to the total number of CTD casts. For full information on the sampling and processing routines, please refer to the AO-I-2023 cruise report (https://hdl.handle.net/11250/3089166) and the CTD post-cruise processing report (included as file here).
Conductivity-Temperature-Depth (CTD) profiles from Norwegian Polar Institute cruise AO-2022 to the Nansen and Amundsen Basins of the Arctic Ocean. The dataset includes profiles of temperature, conductivity, dissolved oxygen and coloured dissolved organic matter fluorescence (CDOM) and laboratory measurements of salinity, dissolved oxygen, chlorophyll and CDOM from Niskin bottle samples.
Quality
Please refer to the AO-2022 cruise report for full information. Profiles were collected with either the primary (moonpool) or auxiliary (over-the-side) SBE911+ CTD system. Temperature profiles were measured using SBE 03 temperature sensors SN 6498 (primary CTD system, primary sensor) & SN 2400 (auxiliary CTD system, primary sensor). Conductivity profiles were measured using SBE 04 conductivity sensors SN 4726 (primary CTD system, primary sensor) & SN 3447 (auxiliary CTD system, primary sensor). Salinity profiles were calculated from temperature and salinity profiles. Dissolved oxygen concentration profiles were measured with SBE43 sensor SN 3648 (primary CTD system, secondary sensor). CDOM was measured with WETLabs CDOM fluorometer SN FLCDRTD-1930 (casts <= 134) & SN FLCDRTD-4531 (casts >= 135) (Primary System, single sensor). Laboratory salinity from Niskin bottle samples was determined using Guildline Portasal SN 70166, standardised with OSIL P-series standard seawater before & after every set of 24 measurements. Samples of dissolved oxygen from Niskin bottles samples were measured by automated Winkler titration using a potentiometric electrode relative to NPI internal standard “NPI-OXY-01” which was run before each batch of 48 samples. Triplicate samples for Winkler titration were drawn from each Niskin bottle sampled.
Profile data is from down casts only and made available in 1 decibar bins. Spurious data collected during the surface soak and/or passage though the moonpool shaft were removed before binning. Parameters measured from niskin bottle samples are discreet measurements.
The data are in a single, self-documented netCDF file. Profile data are organised in tables with one column per cast and one row per depth bin. Bottle data are organised in tables with one column per cast and one row per niskin bottle. 1-dimensional metadata (such as time and position) are organised as a single row with one column per cast. 2-dimensional metadata relate to niskin bottle data (such as sample numbers) and are organised in tables with one column per cast and one row per niskin bottle. All variables have the same number of columns, equal to the total number of CTD casts.
Institutions: FR04L, CNRS-LaMP, Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France
Last metadata update: 2024-06-13T00:00:00Z
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Aerosol light scattering at Puy de Dôme. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-01-10T00:00:00Z
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Abstract:
Ground based in situ observations of online_crds at Birkenes II (NO0002R). These measurements are gathered as a part of the following projects NILU_NRT and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), methane in air (mole_fraction_of_methane_in_air), methane in air (mole_fraction_of_methane_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air)
Institutions: CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland
Last metadata update: 2023-10-20T00:00:00Z
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Abstract:
Ground based in situ observations of high_vol_sampler at Zürich-Kaserne (CH0010U). These measurements are gathered as a part of the following projects CAMPAIGN, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), pm10_mass in pm10 (mass_concentration_of_pm10_ambient_aerosol_particles_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-02-17T00:00:00Z
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Abstract:
Main greenhouse gases and carbon_monoxide at Birkenes II. These measurements are gathered as a part of the following projects NILU_NRT and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), methane in air (mole_fraction_of_methane_in_air), methane in air (mole_fraction_of_methane_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air)
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-02-01T00:00:00Z
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Abstract:
Ground based in situ observations of ozone at Zeppelin mountain (Ny-Ålesund) (NO0042G) using uv_abs. These measurements are gathered as a part of the following projects EMEP_NRT, GAW-WDCRG_NRT, NILU_NRT 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: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-06-27T00:00:00Z
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Abstract:
Aerosol_absorption_coefficient at Trollhaugen. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-02-02T00:00:00Z
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Abstract:
Ground based in situ observations of online_crds at Zeppelin mountain (Ny-Ålesund) (NO0042G). These measurements are gathered as a part of the following projects EMEP_NRT, NILU_NRT and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), methane in air (mole_fraction_of_methane_in_air), methane in air (mole_fraction_of_methane_in_air)
Institutions: DE60L, Technical University Munich and Helmholtz Center Munich, ZAUM, Centre of Allergy & Environment, Biedersteinerstrasse 29, 80802, Munich, Germany
Last metadata update: 2024-01-05T00:00:00Z
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Abstract:
Ground based in situ observations of pollen_monitor at Munich Biedersteiner (DE0203U). These measurements are gathered as a part of the following projects AutoPollen_NRT, PollenScience_NRT and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: pollen_abies in aerosol, pollen_abies in aerosol, pollen_acer in aerosol, pollen_acer in aerosol, pollen_aesculus in aerosol, pollen_aesculus in aerosol, pollen_alnus in aerosol, pollen_alnus in aerosol, pollen_ambrosia in aerosol, pollen_ambrosia in aerosol, pollen_artemisia in aerosol, pollen_artemisia in aerosol, pollen_asteraceae in aerosol, pollen_asteraceae in aerosol, pollen_betula in aerosol, pollen_betula in aerosol, pollen_brassica in aerosol, pollen_brassica in aerosol, pollen_carpinus in aerosol, pollen_carpinus in aerosol, pollen_castanea in aerosol, pollen_castanea in aerosol, pollen_chenopodium in aerosol, pollen_chenopodium in aerosol, pollen_corylus in aerosol, pollen_corylus in aerosol, pollen_cruciferae in aerosol, pollen_cruciferae in aerosol, pollen_cyperaceae in aerosol, pollen_cyperaceae in aerosol, pollen_erica in aerosol, pollen_erica in aerosol, pollen_fagus in aerosol, pollen_fagus in aerosol, pollen_fraxinus in aerosol, pollen_fraxinus in aerosol, pollen_galium in aerosol, pollen_galium in aerosol, pollen_humulus in aerosol, pollen_humulus in aerosol, pollen_impatiens in aerosol, pollen_impatiens in aerosol, pollen_juglans in aerosol, pollen_juglans in aerosol, pollen_juniperus in aerosol, pollen_juniperus in aerosol, pollen_larix in aerosol, pollen_larix in aerosol, pollen_parietaria in aerosol, pollen_parietaria in aerosol, pollen_picea in aerosol, pollen_picea in aerosol, pollen_pinaceae in aerosol, pollen_pinaceae in aerosol, pollen_plantago in aerosol, pollen_plantago in aerosol, pollen_platanus in aerosol, pollen_platanus in aerosol, pollen_poaceae in aerosol, pollen_poaceae in aerosol, pollen_populus in aerosol, pollen_populus in aerosol, pollen_quercus in aerosol, pollen_quercus in aerosol, pollen_quercus_ilex in aerosol, pollen_quercus_ilex in aerosol, pollen_rumex in aerosol, pollen_rumex in aerosol, pollen_salix in aerosol, pollen_salix in aerosol, pollen_sambucus in aerosol, pollen_sambucus in aerosol, pollen_secale in aerosol, pollen_secale in aerosol, pollen_solidago in aerosol, pollen_solidago in aerosol, pollen_taraxacum in aerosol, pollen_taraxacum in aerosol, pollen_taxus in aerosol, pollen_taxus in aerosol, pollen_tilia in aerosol, pollen_tilia in aerosol, pollen_triticum in aerosol, pollen_triticum in aerosol, pollen_ulmus in aerosol, pollen_ulmus in aerosol, pollen_urticaceae in aerosol, pollen_urticaceae in aerosol, pollen_zea_mays in aerosol, pollen_zea_mays in aerosol, spores_fungi in aerosol, spores_fungi in aerosol, spores_fungi_alternaria in aerosol, spores_fungi_alternaria in aerosol
Institutions: NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway
Last metadata update: 2024-03-21T00:00:00Z
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Abstract:
Main greenhouse gases and carbon_monoxide at Birkenes II. These measurements are gathered as a part of the following projects NILU_NRT and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), methane in air (mole_fraction_of_methane_in_air), methane in air (mole_fraction_of_methane_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air), water_vapor in air (mole_fraction_of_water_vapor_in_air)
Institutions: DE08L, Leibniz Institute for Tropospheric Research, TROPOS, Permoserstrasse 15, 04318, Leipzig, Germany
Last metadata update: 2024-06-19T00:00:00Z
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Abstract:
Nitrogen oxides at Melpitz. These measurements are gathered as a part of the following projects ACTRIS, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air)
Institutions: FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, FI-00560, Helsinki, Finland
Last metadata update: 2024-06-27T00:00:00Z
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Abstract:
Inorganics in precipitation at Pallas (Matorova). 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 precip (mass_concentration_of_ammonium_in_precipitation), 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), 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_total in precip (mass_concentration_of_sulphate_total_in_precipitation), sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation)