2017
DOI: 10.3390/w9100804
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Melting Characteristics of Snow Cover on Tidewater Glaciers in Hornsund Fjord, Svalbard

Abstract: Abstract:In recent years, the Svalbard area, especially its southern section, has been characterised by an exceptionally thin snow cover, which has a significant impact of the annual mass balance of glaciers. The objective of this study was to determine melting processes of the snow cover deposited on 11 glaciers that terminate into Hornsund Fjord during the melting period of 2014. The study included analyses of snow pits and snow cores, meteorological data collected from automatic weather stations and Polish … Show more

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Cited by 14 publications
(24 citation statements)
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“…Increased snow density resulted particularly from winter rain-on-snow events and winter thaw periods leading to the formation of high-density layers within the snowpack. In recent years, the number of layers in the general structure of the snowpack was greater, as was also observed for other glaciers in Wedel Jarlsberg Land [23,25]. On Hansbreen, the contribution of the high-density layer in the snowpack structure changed gradually along with altitude, from ca 16% in the accumulation zone (H9) to ca 25% in the ablation zone (H4).…”
Section: Traces Of Rain In the Snow-cover Structuresupporting
confidence: 54%
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“…Increased snow density resulted particularly from winter rain-on-snow events and winter thaw periods leading to the formation of high-density layers within the snowpack. In recent years, the number of layers in the general structure of the snowpack was greater, as was also observed for other glaciers in Wedel Jarlsberg Land [23,25]. On Hansbreen, the contribution of the high-density layer in the snowpack structure changed gradually along with altitude, from ca 16% in the accumulation zone (H9) to ca 25% in the ablation zone (H4).…”
Section: Traces Of Rain In the Snow-cover Structuresupporting
confidence: 54%
“…The most frequent below-freezing-point conditions are interrupted by several thaw periods [20]. Rain-on-snow events, frequently co-occurring with warm spells in winter, are recorded in the Hansbreen snowpack structure as ice formations [15,24,25].…”
Section: Study Areamentioning
confidence: 99%
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“…The average Equilibrium-Line Altitude (ELA) of Hansbreen was detected at 342 m a.s.l. in 2014 (Laska et al 2017a). The snow accumulation at the main trunk of the glacier is asymmetrical, favouring the western over the eastern side (e.g.…”
Section: Study Areamentioning
confidence: 98%
“…Although glacier zones have been detected by analysis of multispectral images during the ablation season (e.g. Hall et al 1987;Pope and Rees, 2014;Laska et al 2017a;Sobota and Wójcik 2020), for detection of their annual changes and possible support of mass balance studies Synthetic Aperture Radar (SAR) data are advantageous. SAR is an active system operating in the microwave range of the electromagnetic spectrum.…”
Section: Introductionmentioning
confidence: 99%