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Always remember to cite data when used!
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,
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edition or version,
access information (a URL or persistent identifier, e.g. DOI if provided)
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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 identified in the drop down menu with and phrases embedded in quotation marks. Prefixing a phrase with '-' negates the phrase (i.e. should not occur in the results). Searches are case insensitive.
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 combination of search fields (including facets) is based on a logical "AND" combination of the fields, i.e. all conditions are fulfilled for the results provided.
Institutions: US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A., US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A.
Last metadata update: 2021-09-03T00:00:00Z
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Abstract:
Ground based in situ observations of glass_flask at Wendover (US0141R). These measurements are gathered as a part of the following projects GAW-WDCRG, NOAA-GGGRN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (sample_count), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (sample_count), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (sample_count), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (sample_count), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (sample_count), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (sample_count), propane in air (mole_fraction_of_propane_in_air)
Since November of 2005, 12 thermistors were planted in the upper 2.5 meters of the firn on iceberg C16, Antarctica. Temperature data are collected every 20 minutes and are transmitted via ARGOS satellite relay. Data are intended to provide a view of how firn temperatures change as an iceberg moves north into warmer climate.
This dataset contains ground-based, co-polarized radar data collected using pulse-modulated 60 MHz and 179 MHz radar at 19 sites around a deep ice coring site near the Ross and Amundsen flow divide of West Antarctic Ice Sheet (WAIS Divide). At each site, the radar data were collected at 12 orientations of the radar polarization plane for three radar pulse widths: 250 nsec, 500 nsec, and 1000 nsec. Useful signals were received from depths roughly between 200 m and 2000 m. Ice flow velocities and strain configurations were measured at most of these radar survey sites, and these ice motion data are also provided at NSIDC (GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica).
Data are available via FTP in MATLAB (.mat) format.
Institutions: US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A., US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A.
Last metadata update: 2021-09-03T00:00:00Z
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Abstract:
Ground based in situ observations of glass_flask at Storhofdi (IS0091R). These measurements are gathered as a part of the following projects GAW-WDCRG, NOAA-GGGRN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (sample_count), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (sample_count), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (sample_count), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (sample_count), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (sample_count), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (sample_count), propane in air (mole_fraction_of_propane_in_air)
In October 2005, three geodetic GPS receivers were deployed on the Ross Ice Shelf near the ice front to observe short-term fluctuations in ice-shelf velocity associated with tidal forcing and other phenomena. Two stations were placed on either side of a large rift that is expected to eventually create the next iceberg to calve from the Ross Ice Shelf (called "Nascent Iceberg"). One station was established at a location near station R13, occupied in 1979 during the RIGGS project (Thomas et al., 1984), to determine if the near-ice-front part of the Ross Ice Shelf has significantly changed its long-term flow since the late 1970s.
This dataset includes Geophysical Institute (GFI), University of Bergen mooring SVI200509_C data. The mooring consists of 2 inst. (instrument type:instrument number(instrument depth)):RCM7:4040(1900m) RCM8:9907(1980m) . Metadata and raw/processed time series are presented as NetCDF, text and pdf(plots with statistics, calibration sheets, mooring drawing) files.
This dataset includes Geophysical Institute (GFI), University of Bergen mooring SVI200509_B data. The mooring consists of 3 inst. (instrument type:instrument number(instrument depth)):RCM7:12318(100m) RCM7:9130(500m) RCM7:11226(680m) . Metadata and raw/processed time series are presented as NetCDF, text and pdf(plots with statistics, calibration sheets, mooring drawing) files.
This dataset includes Geophysical Institute (GFI), University of Bergen mooring SVI200509_A data. The mooring consists of 4 inst. (instrument type:instrument number(instrument depth)):RCM7:8438(100m) RCM9MKII:1238(300m) RCM7:12347(480m) RCM7:11247(495m) . Metadata and raw/processed time series are presented as NetCDF, text and pdf(plots with statistics, calibration sheets, mooring drawing) files.
Hydrographic and current time series data from outside the southern side of the Isfjorden Mouth during 16 September 2005 to 15 September 2006 at 78°03.650’ N; 013°31.369’ E, and 210 m depth. The mooring was deployed by the University Centre in Svalbard (UNIS) as a part of the AGF course “Polar Ocean Climate” to monitor inflow of Atlantic Water to Isfjorden, and was equipped with two Aanderaa Instruments recoding current meters (RCMs) and one water level recoder (WLR) with auxiliary CTD sensors covering the upper, the intermediate, and the bottom layer. For further details of the mooring and data, see Skogseth et al. (2020).
Reference: Skogseth R., Olivier L.L.A., Nilsen F., Falck E., Fraser N., Tverberg V., Ledang A.B., Vader A., Jonassen M.O., Søreide J., Cottier F., Berge J., Ivanov B.V., and Falk-Petersen S. (2020). Variability and decadal trends in the Isfjorden (Svalbard) ocean climate and circulation – an indicator for climate change in the European Arctic, Progress in Oceanography, 187, DOI: doi.org/10.1016/j.pocean.2020.102394.
Quality
No salinity data. Pressure and temperature data have been despiked with a window size of 60 and a standard deviation of 2. Temperature data have been calibrated against nearby SBE 911+ CTD profiles taken during the deployment period. Times rounded to nearest hour or 10 min.
Institutions: US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A., US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A.
Last metadata update: 2021-09-03T00:00:00Z
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Abstract:
Ground based in situ observations of glass_flask at Palmer Station (US0139G). These measurements are gathered as a part of the following projects GAW-WDCRG, NOAA-GGGRN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (sample_count), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (sample_count), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (sample_count), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (sample_count), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (sample_count), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (sample_count), propane in air (mole_fraction_of_propane_in_air)
This dataset includes Geophysical Institute (GFI), University of Bergen mooring SV_200509 data. The mooring consists of 3 inst. (instrument type:instrument number(instrument depth)):RCM7:2863(30m) RCM7:1273(80m) RCM7:3160(200m) . Metadata and raw/processed time series are presented as NetCDF, text and pdf(plots with statistics, calibration sheets, mooring drawing) files.
Institutions: US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A., US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A.
Last metadata update: 2021-09-02T00:00:00Z
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Abstract:
Ground based in situ observations of glass_flask at Alert (CA0420G). These measurements are gathered as a part of the following projects GAW-WDCRG, NOAA-GGGRN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (sample_count), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (sample_count), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (sample_count), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (sample_count), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (sample_count), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (sample_count), propane in air (mole_fraction_of_propane_in_air)
Meteorological data collected by the automatic weather stations at the Troll research station and Troll airfield in Dronning Maud Land, Antarctica. There usually is one datapoint per minute from each station.
Currently, data from four different stations are stored in our database. See below for details.
Current Troll research station (station_id = kldata/nationalnr=99990/type=504)
The current sensor station at Troll research station was set up in October 2017 at coordinates approximately -72.011861N, 2.541167E.
Pressure (P*) is measured by a Vaisala PTB330 barometer about 1.5 meters above ground.
Wind variables (D*, F*, KLF*) are measured by two anemometers, 2 meters (*0_2) and 10 meters (*0_0) above ground. Until February 2020 these were model Gill WindObserver 75. While using those, data often were dropped when wind gusts reached about 50 m/s. From March 2020, these were replaced with RM Young 05106-45 sensors, solving the problem of dropped data at high wind speeds.
Temperature (T*) is measured with three sensors; T0_0 by a PT100 1/10 DIN in an unventilated shield, 2 meters above ground and T1_0 and T0_10 by a Vaisala HMP155A in a ventilated radiation shield, 2 and 10 meters above ground, respectively. The two Vaisala HMP155A also measure humidity (UU)
Battery voltage and time (“measured”) is monitored by a Campbell CR1000 datalogger.
- AA0_0 : Barograph curve indicating pressure variations during the last 3 hours. See below for details.
- BAT0_0 : Battery voltage in V.
- DD0_x : Mean wind direction during the last 10 minutes in degrees.
- DX0_x : Maximum wind direction 10 minute gliding mean during the last hour in degrees.
- FF0_x : Wind speed 10-minute vector average in m/s.
- FG0_x : Wind speed maximum 3 second gust during the last hour in m/s.
- FX0_x : Wind speed maximum 10 minutes mean during the last hour in m/s.
- KLFG0_x : Time when FG0_x was observed in [h]hmm.
- KLFX0_x : Time when FX0_x was observed in [h]hmm.
- PH0_0 : Sea level pressure, adjusted using the ICAO standard atmosphere in hPa.
- PO0_0 : Atmospheric pressure at station elevation in hPa.
- PON0_0 : Minimum PO0_0 in the last hour in hPa.
- POX0_0 : Maximum PO0_0 in the last hour in hPa.
- PP0_0 : Absolute value of the change in pressure from the observation 3 hours ago in hPa.
- PR0_0 : Sea level pressure, adjusted using the observed temperature in hPa.
- STATVENT0_x : Status of the ventilator in the radiation shields for the HMP155A: 0 ok; 1 fan not running.
- TAx_x : Air temperature mean during the last minute in °C.
- TANx_x : Minimum temperature during the last hour in °C.
- TAXx_x : Maximum temperature during the last hour in °C.
- UU0_x : Relative humidity in percent.
- id : UUID for this measurement and this station and date.
- measured : Observation date and time in UTC in ISO 8601 format.
- station_id : Station identification.
Current Troll airfield (station_id = kldata/nationalnr=92100/type=504)
The current sensor station at Troll airfield was set up in September 2018 at coordinates approximately -71.95685N, 2.46662E. In March 2019, the airfield sensor station got an upgrade so it delivered much more data.
Pressure (Px) is measured by a Vaisala PTB330 barometer about 1.5 meters above ground.
Wind variables (Dx, Fx, KLFx) are measured by a RM Young 5108-45 Alpine HD. This sensor was mounted 6 meters above ice surface until February 2020. Since March 2020, the sensor has been mounted 10 meters above the ice surface.
Temperature (Tx) is measured by a PT100 1/10 DIN in unventilated radiation shield 2 meters above ground.
Humidity (UU0_0) is measured by a Vaisala HMP155A in unventilated radiation shield 2 meters above ground.
Ice temperature (TIx) is measured by a Beaded Stream thermistor string in the ice below the station.
Battery voltage and time (“measured”) is monitored by a Campbell CR1000 datalogger.
- AA0_0 : Barograph curve indicating pressure variations during the last 3 hours. See below for details.
- BAT0_0 : Battery voltage in V.
- DD0_6 : Mean wind direction during the last 10 minutes in degrees.
- DX0_6 : Maximum wind direction 10 minute gliding mean during the last hour in degrees.
- FF0_6 : Wind speed 10-minute vector average in m/s.
- FG0_6 : Wind speed maximum 3 second gust during the last hour in m/s.
- FX0_6 : Wind speed maximum 10 minutes mean during the last hour in m/s.
- KLFG0_6 : Time when FG0_6 was observed in [h]hmm.
- KLFX0_6 : Time when FX0_6 was observed in [h]hmm.
- PH0_0 : Sea level pressure, adjusted using the ICAO standard atmosphere in hPa.
- PO0_0 : Atmospheric pressure at station elevation in hPa.
- PON0_0 : Minimum PO0_0 in the last hour in hPa.
- POX0_0 : Maximum PO0_0 in the last hour in hPa.
- PP0_0 : Absolute value of the change in pressure from the observation 3 hours ago in hPa.
- PR0_0 : Sea level pressure, adjusted using the observed temperature in hPa.
- TA0_0 : Air temperature mean during the last minute in °C.
- TAN0_0 : Minimum temperature during the last hour in °C.
- TAX0_0 : Maximum temperature during the last hour in °C.
- TI0_x : Ice temperature at x cm below surface in °C.
- UU0_0 : Relative humidity in percent.
- id : UUID for this measurement and this station and date.
- measured : Observation date and time in UTC in ISO 8601 format.
- station_id : Station identification.
Legacy Troll research station (station_id = legacy_S01)
The first station was set up in September 2005 close to the research station at approximately -72.0115N, 2.5337E. It was decommissioned in January 2019. In the beginning, Vaisala WT501 sensors were used for wind measurements, but the one at 2 meters height stopped working in February 2007 and the one at 10 meters height stopped in December 2007. Both were replaced with Gill WindObserver instruments in April 2009. No wind data is available between those dates. The instrument changes affect the variables DD0_x, DG0_x, FF0_x, and FG0_x.
Pressure (Px) was measured by a Vaisala PTB220 barometer about 1.5 meters above ground.
Wind variables (Dx, Fx, KLFx) were first measured by Vaisala WT501 instruments and later (see above) by Gill WindObserver instruments. The sensors were 2 meters (Dx0_2) and 10 meters (Dx0_0) above ground.
Temperature (Tx) was measured by a PT100 1/10 DIN in unventilated radiation shield. The sensors were 2 meters (Tx0_0) and 10 meters (Tx0_10) above ground.
Humidity (UU0_0) was likely measured by a Vaisala HMP155A in unventilated radiation shield. The sensors were 2 meters (UU0_0) and 10 meters (UU0_10) above ground.
Temperature below ground (TGx) was measured by a thermistor string in the ice below the station.
Time (“measured”) was monitored by a Campbell CR1000 datalogger.
The radiation data should be used with extreme caution; there are multiple large sources of error. The LW values were measured with Kipp & Zonen CG4 sensors and the SW values with Kipp & Zonen CM21 sensors. All four sensors were mounted in K&Z CV2 heating and ventilation units. Unfortunately, the temperatures of the sensors were not recorded and the LW values are not corrected for the instrument’s temperature. The best a user can do is assume the instrument had the same temperature as the air and perform a rough correction that way. This adds to the uncertainty in these data, which is large anyway because the sensors were not maintained or calibrated after installation. By 2017, when they were taken down, the glass domes on the CM21 sensors were severely sandblasted on the upwind (north-east) side. They could also be affected by morning shading from the nearby garage that was built north-east of the site in 2012.
- AA0_0 : Barograph curve indicating pressure variations during the last 3 hours. See below for details.
- DD0_x : Mean wind direction during the last 10 minutes in degrees.
- DG0_x : Wind direction in degrees.
- FF0_x : Wind speed 10-minute vector average in m/s.
- FG0_x : Wind speed maximum 3 second gust during the last minute in m/s.
- LWin : Incoming longwave (infrared) radiation in W/m². See warning above!
- LWout : Outgoing longwave (infrared) radiation in W/m². See warning above!
- PH0_0 : Sea level pressure, adjusted using the ICAO standard atmosphere in hPa.
- PO0_0 : Atmospheric pressure at station elevation in hPa.
- PP0_0 : Absolute value of the change in pressure from the observation 3 hours ago in hPa.
- PR0_0 : Sea level pressure, adjusted using the observed temperature in hPa.
- SWin : Incoming shortwave (solar) radiation in W/m². See warning above!
- SWout : Reflected shortwave (solar) radiation in W/m². See warning above!
- TA0_x : Air temperature mean during the last minute in °C.
- TAN0_0 : Minimum temperature during the last hour in °C.
- TAX0_0 : Maximum temperature during the last hour in °C.
- TD0_x : Dewpoint temperature mean during the last minute in °C.
- TG0_x : Temperature in the ground x cm below the surface in °C.
- Tgref : Temperature in the ground 200 cm below the surface in °C
- UU0_x : Relative humidity in percent.
- id : UUID for this measurement and this station and date.
- measured : Observation date and time in UTC in ISO 8601 format.
- station_id : Station identification.
Legacy Troll airfield (station_id = legacy_A01)
The second station was set up in January 2007 close to the Troll airfield at approximately -71.95685N, 2.46662E. It was decomissioned in November 2017.
Pressure (Px) was measured by a Vaisala PTB220 barometer about 1.5 meters above ground.
Wind variables (Dx, Fx, KLFx) were measured by a Gill WindObserver 6 meters above ground.
Temperature (Tx) was measured by a PT100 1/10 DIN in unventilated radiation shield 2 meters above ground.
Battery voltage and time (“measured”) was monitored by a Campbell CR1000 datalogger.
- BAT0_0 : Battery voltage in V.
- DD0_6 : Mean wind direction during the last 10 minutes in degrees.
- DD2min0_6 : Mean wind direction during the last 2 minutes in degrees.
- DDM0_6 : Variability in wind direction during past 10 minutes in degrees.
- DDM2min0_6 : Variability in wind direction during past 2 minutes in degrees.
- FF0_6 : Wind speed 10-minute vector average in m/s.
- FF2min0_6 : Wind speed 2-minute vector average in m/s.
- FG0_6 : Wind speed maximum 3 second gust during the last 10 minutes in m/s.
- FG2min0_6 : Wind speed maximum 3 second gust during the last 2 minutes in m/s.
- PB0_0 : Current pressure as reported from the barometer in hPa.
- PH0_0 : Sea level pressure, adjusted using the ICAO standard atmosphere in hPa.
- PO0_0 : Atmospheric pressure at station elevation in hPa.
- TA0_0 : Air temperature mean during the last minute in °C.
- id : UUID for this measurement and this station and date.
- measured : Observation date and time in UTC in ISO 8601 format.
- station_id : Station identification.
Explanation of AA0_0
Description of pressure variations during the previous 3 hours. Possible values are:
- 0: Increasing, then decreasing; atmospheric pressure the same or higher than three hours ago
- 1: Increasing, then steady; or increasing, then increasing more slowly; atmospheric pressure now higher than three hours ago
- 2: Increasing (steadily or unsteadily); atmospheric pressure now higher than three hours ago
- 3: Decreasing or steady, then increasing; or increasing then increasing more rapidly; atmospheric pressure now higher than three hours ago
- 4: Steady; atmospheric pressure the same as three hours ago
- 5: Decreasing, then increasing; atmospheric pressure the same or lower than three hours ago
- 6: Decreasing, then steady; or decreasing, then decreasing more slowly; atmospheric pressure now lower than three hours ago
- 7: Decreasing (steadily or unsteadily); atmospheric pressure now lower than three hours ago
- 8: Steady or increasing, then decreasing; or decreasing then decreasing more rapidly; atmospheric pressure now lower than three hours ago
Marine grunnkart i Sør-Troms, Biologisk mangfold, Havbruk, areal, samordning og utvikling i Trøndelag (Astafjordprosjektet, Biologisk mangfold, HASUT)
Last metadata update: 2019-09-03T12:00:00Z
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Abstract:
The datasett is a geographic representation of over 800 ice marginal deposits in Norwegian fjords and coastal areas. The dataset is compiled of data from several mapping projects, litteratur and other sources. The main compilation was made in cooperation between NGU and Miljødirektoratet (Biomangfoldprosjektet). The interpretation of ice marginal deposits is based on detailed bathymetry data.