a 14-year dataset of in situ glacier surface velocities for a tidewater and a land-terminating glacier in livingston island, antarctica
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2017
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Abstract
We present a 14-year record of in situ glacier surface velocities determined by
repeated global navigation satellite system (GNSS) measurements in a dense
network of 52 stakes distributed across two glaciers, Johnsons (tidewater)
and Hurd (land-terminating), located on Livingston Island, South Shetland
Islands, Antarctica. The measurements cover the time period 2000–2013 and
were collected at the beginning and end of each austral summer season.
A second-degree polynomial approximation is fitted to each stake position,
which allows estimating the approximate positions and associated velocities
at intermediate times. This dataset is useful as input data for numerical
models of glacier dynamics or for the calibration and validation of remotely
sensed velocities for a region where very scarce in situ glacier surface
velocity measurements have been available so far. The link to the data
repository is as follows: http://doi.pangaea.de/10.1594/PANGAEA.846791.
| Reference Key |
macho2017eartha 14-year
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|---|---|
| Authors | ;F. Machío;R. Rodríguez-Cielos;F. Navarro;J. Lapazaran;J. Otero |
| Journal | usak university journal of engineering sciences |
| Year | 2017 |
| DOI |
10.5194/essd-9-751-2017
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| URL | |
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