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Application of Kriging Interpolation for Glacier Mass Balance Computations

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Abstract:

In order to compute the specific mass balance of a glacier, point measurements of mass balance need to be integrated and thus interpolated over the entire glacier. In this study kriging was applied as interpolation technique to mass balance data of Storglaciren, a 3 km2 valley glacier, focusing on the sensitivity of results to the choice of some kriging parameters. Although the spatial means varied only little in most cases, the spatial distribution of the mass balance quantities was sensitive to the assumption on kriging parameters, suggesting that the kriging parameters need to be carefully optimized for each case if the spatial distribution is of interest.

Keywords: ablation stakes; drilling holes in ice; ice drill; steam drill

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.0435-3676.1999.00089.x

Affiliations: 1: Climate Impacts Research Centre (CIRC), Kiruna, Sweden, 2: Department of Geography, Swiss Federal Institute of Technology (ETH), Zürich, Switzerland

Publication date: December 1, 1999

bpl/geoa/1999/00000081/00000004/art00015
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