A simplified method to estimate the run-off in Periglacial Creeks: a case study of King George Islands, Antarctic Peninsula

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
Ulrike FalkPablo Pölcher

Abstract

Although the relationship between surface air temperature and glacial discharge has been studied in the Northern Hemisphere for at least a century, similar studies for Antarctica remain scarce and only for the past four decades. This data scarcity is due to the extreme meteorological conditions and terrain inaccessibility. As a result, the contribution of glacial discharge in Antarctica to global sea-level rise is still attached with great uncertainties, especially from partly glaciated hydrological basins as can be found in the Antarctic Peninsula. In this paper, we propose a simplified model based on the Monte Carlo method and Fourier analysis for estimating discharge in partly glaciated and periglacial hydrological catchments with a summer melt period. Our model offers the advantage of scarce data requirements and quick recognition of periglacial environments. Discharge was found to be highly correlated with surface air temperature for the partially glaciated hydrological catchments on Potter Peninsula, King George Island (Isla 25 Mayo). The model is simple to implement and requires few variables to make most versatile simulations. We have obtained a monthly simulated maximum flow estimates between 0.74 and 1.07 m3 s-1 for t...Continue Reading

References

Mar 8, 2003·Science·Hernán De Angelis, Pedro Skvarca
Nov 1, 2003·Science·Andrew ShepherdPedro Skvarca
Apr 22, 1948·Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences·H L PENMAN

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Citations

May 16, 2018·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Katharine R HendryHugh W Ducklow
May 16, 2018·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Kerstin JeroschDoris Abele

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