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Holtedhalfonna May 3, third pit, glacier.

Holtedhalfonna May 3, third pit, glacier. Stratigraphy on glacier HTD on May 3. Remarque: Very homogeneous layers, very easy for density measurement and sampling.

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Holtedhalfonna May 3, third pit, glacier.

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  1. Holtedhalfonna May 3, third pit, glacier. Stratigraphy on glacier HTD on May 3. Remarque: Very homogeneous layers, very easy for density measurement and sampling. Conditions: No wind, no clouds until 18h00 local. Afterwards clouds appear at 80%, no precipitation, Stick 4.5 Jack’s mass balance. Tair@ + 150 cm : -5.3°C Tsnow from top in degree C, the bottom is referenced as 0 (firn layer) and the top as 150 cm: 148 cm = --4.95 145 cm = -5.3 140 cm = -6.1 130 cm = -6.5 120 cm = -6.1 110 cm = -5.9 100 cm = -5.9 90 cm = -6.0 80 cm = -6.2 70 cm = -6.6 60 cm = -6.9 50 cm = -7.2 40 cm = -7.6 30 cm = -7.9 20 cm = -8.0 10 cm = -8.2 T firn = -8.3 150 Soft top layer, recognizable particle of needles and rounded grain Small rounded grain, 0.1 mm size Hard layer, crust of faceted crystals. 0.1 mm size, faceted and rounded Same layer, 0.1 mm Same layer, 0.1 mm Same layer but bigger grains, 0.2 to 0.3 mm 0.2 to 0.3 mm 0.2 to 0.3 mm 0.2 to 0.3 mm 0.2 to 0.3 mm Layer of very facetted crystals on top and depth hoar on bottom. Depth hoar of 2 to 3 mm size. Firn layer on bottom. 148 143 138 120 87 70 68 56 51 46 33 0 1.5meters snow, glacier

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