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Summer Water Balance Characteristics of Koryto Glacier, Kamchatka Peninsula, Russia

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The daily water balance for the drainage basin of Koryto Glacier, Kamchatka Peninsula, Russia, was calculated during the period from August to September 2000. The result shows that 14×106 m3 of meltwater and 2×106 m3 of rainwater entered the basin, while 26×106 m3 of water drained from the basin through proglacial streams. Thus, about −9×106 m3 of water storage reduction occurred in the basin. Vertical displacements of the glacier surface showed that the volume change due to contraction of subglacial cavities was nearly 20% of the total storage change. The remaining fraction of water storage during the period is thought to be stored in englacial and supraglacial locations. The estimate of water balance components in the early ablation season in 2000 indicates that meltwater was already stored within the glacier before the spring, even during the previous year, and that the stored water drained through the ablation season.

Keywords: Kamchatka Peninsula; Koryto Glacier; ablation; maritime glacier; water balance; water storage

Document Type: Research Article


Affiliations: 1: Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 2: Institute of Volcanology, Russian Academy of Sciences, Petropavlovsk-Kamchatsky, Russia

Publication date: 2004-06-01

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