Geometric changes of three glaciers in Dickson Land, central Spitsbergen, during the period 1990-2015

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F19%3A10397600" target="_blank" >RIV/00216208:11310/19:10397600 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=wOybPk.j70" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=wOybPk.j70</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.polar.2019.05.004" target="_blank" >10.1016/j.polar.2019.05.004</a>

Result language
angličtina
Original language name
Geometric changes of three glaciers in Dickson Land, central Spitsbergen, during the period 1990-2015
Original language description
Glaciers of the Svalbard archipelago react very rapidly to climate change in the polar environment. Combining the study of aerial photographs, digital elevation models and in situ measurements, it is possible to measure glacier geometric changes. Apart from the standard remote sensing data evaluation we focus on in situ measurements by ground penetrating radar. This study calculates length, area, volume and elevation changes of three glaciers in Dickson Land, central Spitsbergen, during the period 1990-2015. Ground penetrating radar surveys indicate ice thickness, which was used for calculating the volume and the bed topography of the glaciers. The mean ice thickness ranges from 21.2 to 52.4 m. Between 1990 and 2015, the glacierized area decreased from 5.37 +- 1.02 km2 to 4.45 +- 0.25 km2 (- 17.5%) and the volume reduced from 309.93 +- 4.75 mil m3 to 215. 44 +- 1.27 mil m3 (- 30.5%). The mean surface elevation decreased by 23.0 +- 8.4 m (Bertilbreen), 22.3 +- 10.2 (Ferdinandbreen) and 10.7 +- 7.8 m (Elsabreen). The average surface elevation (0.4 +- 0.3 to 1.0 +- 0.4 m a-1) and volumetric (- 0.22 +- 0.02 to - 3.61 +- 0.12 mil m3 a-1) changes correspond to values reported from this and other regions of Svalbard.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10508 - Physical geography

Project
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Continuities
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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