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.
The dataset includes data from an Argo float. The Argo float is mainly located in the deep water drifting with the currents there. With 5-10 day intervals, they rise from the depth to the surface while taken measurements during the ascent. The Argo float is equipped with sensors for measuring pressure, temperature, and salinity, and in some cases equipped with additional sensors for biogeochemical measurements. Data from the Argo float are sent, via satellites, to data centres, and are available to users within 24 hours.
The dataset includes data from an Argo float. The Argo float is mainly located in the deep water drifting with the currents there. With 5-10 day intervals, they rise from the depth to the surface while taken measurements during the ascent. The Argo float is equipped with sensors for measuring pressure, temperature, and salinity, and in some cases equipped with additional sensors for biogeochemical measurements. Data from the Argo float are sent, via satellites, to data centres, and are available to users within 24 hours.
The dataset includes data from an Argo float. The Argo float is mainly located in the deep water drifting with the currents there. With 5-10 day intervals, they rise from the depth to the surface while taken measurements during the ascent. The Argo float is equipped with sensors for measuring pressure, temperature, and salinity, and in some cases equipped with additional sensors for biogeochemical measurements. Data from the Argo float are sent, via satellites, to data centres, and are available to users within 24 hours.
The dataset includes data from an Argo float. The Argo float is mainly located in the deep water drifting with the currents there. With 5-10 day intervals, they rise from the depth to the surface while taken measurements during the ascent. The Argo float is equipped with sensors for measuring pressure, temperature, and salinity, and in some cases equipped with additional sensors for biogeochemical measurements. Data from the Argo float are sent, via satellites, to data centres, and are available to users within 24 hours.
The daily analysis of sea ice concentration is obtained from
operational satellite images of the polar regions. It is based on
atmospherically corrected signal and a carefully selected sea ice
concentration algorithm. This product is freely available from the
EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSI
SAF). The Eumetsat identifier for the product is OSI-401.
This dataset is a collection of of output from different sources. All data were collected during an IMR funded cruises, work was put into collating and publishing them as part of the EU funded project "Ecologically and economically sustainable mesopelagic fisheries" (MEESO). The aim is to present data that helps interpretation of catch and jull-mounted acoustic data, which are already published in the ICES trawl-acoustic database.
The dataset contains diverse sources of data, as they were registered onboard. It contains raw CTD output data from the ships Seabird CTD instrument for all stations covered, as well as underway vessel activity, positions, and weather station and thermosalinograph data collected during the cruise.
Underway and vertical profiles of light levels were measured with TriOS hyperspectral sensors, these data have been processed by converting spectrally resolved energies into photon counts, which have been integrated over the bandwidth 400 - 700 nm, and are reported as photosynthetically active radiation (PAR) in units of mol quanta per m2 and second.
During the cruise the tow-body MESSOR was routinely deployed. This unit is equipped with a number of sensors, we here report depth resolved size spectra recorded by two types of optical sensors, as well as depth resolved densities of organisms, estimated through counting of resolved echoes at close ranges to the tow-body.
The size spectra from the Optical Particle Counter (OPC) is based on particle sizes estimated directly by the calibrated instrument, sizes are reported as equivalent circular diameters. These data have been binned in logarithmically spaced size bins and linearly spaced depth bins, and are reported in units of # per cm3.
The size spectra from the Video Plankton Recorder(VPR) is based on particle sizes estimated from the total area of in-focus images, using equivalent circular diameter. These data have been binned in logarithmically spaced size bins and linearly spaced depth bins, and are reported in units of # per dm3.
Densities of organisms were estimated from counts of accepted single echo detections in data from a 120 kHz broadband echosounder (EK80, WBTUBE). Echo detections were performed on pulse compressed data, using a bandwith of 10 kHz. Echoes were detected at a threshold of -75 dB, peaks more than 6 dB above background levels (2 way) were accepted as originating from organisms. Per ping counts of echoes within acceptable ranges from the transducer were then converted to densities by divinding with the nominal (3 dB beamwidth) ensonified volume of the the beam, and initial averages were then computed for 30 second ping blocks (average ping rate per second 4 to 1).The table reports average densities per TS class and depth range, in the table N is the number of 30 second ping blocks used in the calculation of the depth range average.
Data on nutrients from the coast of southern Norway is collected regularly as part of the long term monitoring programme designed to follow the environment along the coast. The programme is jointly operated by IMR and NIVA. The dataset encompass data from both parties.
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: 2024-03-29T00:00:00Z
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Abstract:
Main greenhouse gases and carbon_monoxide at Trollhaugen. 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: 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: 2024-03-03T00:00:00Z
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Abstract:
Main greenhouse gases and carbon_monoxide at Trollhaugen. 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: MD02L, Name not reported, MD02L, Name not reported
Last metadata update: 2024-02-14T00:00:00Z
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Abstract:
Inorganics in air and particle phase at Leova II. 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: chloride in aerosol, nitrate in aerosol, nitrate in aerosol, nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air), sulphate_corrected in aerosol, sulphate_corrected in aerosol, sulphate_total in aerosol, sulphate_total in aerosol, sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air), sum_nitric_acid_and_nitrate in air+aerosol
Institutions: CY01L, Department of Labour Inspection, Ministry of Labour, Welfare & Social Insurance, Apelli 12, 1493, Nicosia, Cyprus, CY01L, Department of Labour Inspection, Ministry of Labour, Welfare & Social Insurance, Apelli 12, 1493, Nicosia, Cyprus
Last metadata update: 2024-02-13T00:00:00Z
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Abstract:
Pm25_mass at Agia Marina Xyliatou / Cyprus Atmospheric Observatory. 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: pm25_mass in pm25 (mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air)
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: 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: LV33L, Latvian Environment, Geology and Meteorology Centre, Monitoring Department, Maskavas Str. 165, LV-1019, Riga, Latvia, LV33L, Latvian Environment, Geology and Meteorology Centre, Monitoring Department, Maskavas Str. 165, LV-1019, Riga, Latvia
Last metadata update: 2024-01-31T00:00:00Z
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Abstract:
Ground based in situ observations of precip at Riga (LV6000U) using wet_only_sampler. These measurements are gathered as a part of the following projects Independent and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: arsenic in precip (mass_concentration_of_arsenic_in_precipitation), cadmium in precip (mass_concentration_of_cadmium_in_precipitation), lead in precip (mass_concentration_of_lead_in_precipitation), nickel in precip (mass_concentration_of_nickel_in_precipitation), 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_corrected in precip (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_precipitation), sulphate_corrected in precip (mass_concentration_of_sulphate_corrected_in_precipitation), sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation), sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation)
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: 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)