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.
If you use data retrieved through this portal, please acknowledge the SAON Data Portal.
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.
This dataset consists of unprocessed radar profiles imaging upper 50~90 m of three ice rises, Blåskimen (four profiles), Kupol Ciolkovskogo (four profiles) and Kupol Moskovskij (three profiles), around the Fimbul Ice Shelf, western Dronning Maud land. Data also includes corresponding GPS locations along each profile. The scientific objective is to investigate the spatial and temporal variability in surface mass balance over this area. The data are provided in MATLAB (.mat) file format.
Each consisting struct-class variables for each profile as ‘Profile_1’, Profile_2’ etc.
Profile_1 includes -
- ‘dat’ matrix with radar amplitude data.
- ‘twt’ array with two way travel time for the radar signal in seconds
- ‘lat’ and ‘lon’ arrays with latitude and longitudes in decimal degrees
- ‘x’ and ‘y’ arrays with coordinates in a polar stereographic projection parallel to 71° S (EPSG 3031)., and ‘z’ shows elevations above the WGS84 ellipsoid. All are in the unit of meters
- ‘dist’ array with distance from the starting point in meters. Data were collected using GSSI SIR 3000 ground penetrating radar.
See the following manuscript for further details: Goel, V., Brown, J., and Matsuoka, K.: Glaciological settings and recent mass balance of Blåskimen Island in Dronning Maud Land, Antarctica, The Cryosphere Discuss., https://doi.org/10.5194/tc-2017-61, in review, 2017.
The dataset consists of ice thickness derived from low-frequency radar measurements on Nivlisen ice shelf, Dronning Maud Land (70 deg S, 12 deg E). The surface elevation was not corrected for tides.
If you use the dataset in presentations and publications please also refer to the peer-reviewed paper (Lindbäck et al., 2019, https://doi.org/10.5194/tc-2019-108), where the data is described in more detail. The dataset will be updated when the quality of the data is improved or if new datasets become available.
This work was part of the MADICE (Mass balance, dynamics, and climate of the central Dronning Maud Land coast, East Antarctica) project co-led by the Norwegian Polar Institute in Norway and National Centre for Polar and Ocean Research in India (https://www.npolar.no/prosjekter/madice/).
This dataset consists of unprocessed 2MHz radar profiles over three ice rises Blåskimen Island (four profiles), Kupol Ciolkovskogo (four profiles) and Kupol Moskovskij (three profiles), Fimbul Ice Shelf, western Dronning Maud land. Data includes corresponding GPS information along each profile. The scientific objective is to calculate the ice thickness and the bed profile of the ice rise. It can also be used to study engalical stratigraphy in the profiles. The data are provided in MATLAB (.mat) file format.
Blåskimen Island: IRD_deep_radar.mat Kupol Ciolkovskogo: IRB_deep_radar.mat Kupol Moskovskij: IRC_deep_radar.mat Each consisting struct-class variables for each profile as ‘Profile_1’, Profile_2’ etc.
Profile_1 includes -
- ‘data’ matrix with radar amplitude data.
- ‘twt’ array with two way travel time for the radar signal in seconds
- ‘lat’ and ‘lon’ are in decimal degrees
- ‘x’ and ‘y’ show the coordinates, and ‘z’ shows elevations. All are in the unit of meters.
- ‘dist’ shows the distance at a point from the start in meters. The data was collected by towing the system with a speed of 8-10 kmph. The offset between the receiver and transmitter is ~119 meters. There are 1024 samples in fast direction.
See the following manuscript for further details: Goel, V., Brown, J., and Matsuoka, K.: Glaciological settings and recent mass balance of Blåskimen Island in Dronning Maud Land, Antarctica, The Cryosphere Discuss., https://doi.org/10.5194/tc-2017-61, in review, 2017.
The dataset consists of ice thickness derived from low-frequency radar measurements on Djupranen and Leningradkollen ice rises, Dronning Maud Land (70 deg S, 12 deg E). Processing methods are described in the peer-reviewed paper Lindbäck et al., 2019 (https://doi.org/10.5194/tc-2019-108).
If you use the dataset in presentations and publications please also refer to this data portal reference (authors and doi). The dataset will be updated when the quality of the data is improved or if new datasets become available.
This work was part of the MADICE (Mass balance, dynamics, and climate of the central Dronning Maud Land coast, East Antarctica) project co-led by the Norwegian Polar Institute in Norway and National Centre for Polar and Ocean Research in India (https://www.npolar.no/prosjekter/madice/).