Rodríguez Cielos, Ricardo; Navarro Valero, Francisco (2015): Study of the fronts of Johnsons and Hurd Glaciers (Livingston Island, Antarctica) from 1957 to 2013, with links to shapefiles [dataset]. Universidad Politécnica de Madrid, PANGAEA, https://doi.org/10.1594/PANGAEA.845379
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Abstract:
The study of glacier fronts combines different geomatics measurement techniques as the classic survey using total station or theodolite, technical GNSS (Global Navigation Satellite System), using laser-scanner or using photogrammetry (air or ground). The measure by direct methods (classical surveying and GNSS) is useful and fast when accessibility to the glaciers fronts is easy, while it is practically impossible to realize, in the case of glacier fronts that end up in the sea (tide water glaciers). In this paper, a methodology that combines photogrammetric methods and other techniques for lifting the front of the glacier Johnsons, inaccessible is studied. The images obtained from the front, come from a non-metric digital camera; its georeferencing to a global coordinate system is performed by measuring points GNSS support in accessible areas of the glacier front side and applying methods of direct intersection in inaccessible points of the front, taking measurements with theodolite. The result of observations obtained were applied to study the temporal evolution (1957-2014) of the position of the Johnsons glacier front and the position of the Argentina, Las Palmas and Sally Rocks lobes front (Hurd glacier).
Coverage:
Median Latitude: -62.680000 * Median Longitude: -60.400500 * South-bound Latitude: -62.696000 * West-bound Longitude: -60.421000 * North-bound Latitude: -62.669000 * East-bound Longitude: -60.367000
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Rodríguez Cielos, Ricardo | |||
| 2 | Latitude of event | Latitude | Rodríguez Cielos, Ricardo | |||
| 3 | Longitude of event | Longitude | Rodríguez Cielos, Ricardo | |||
| 4 | File content | Content | Rodríguez Cielos, Ricardo | |||
| 5 | Uniform resource locator/link to file | URL file | Rodríguez Cielos, Ricardo | Shape file, zipped |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
8 data points