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Deglaciation dynamics following the Little Ice Age on Svalbard:

Deglaciation dynamics following the Little Ice Age on Svalbard:

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Søren H. Rasmussen<br />

<str<strong>on</strong>g>Deglaciati<strong>on</strong></str<strong>on</strong>g> <str<strong>on</strong>g>dynamics</str<strong>on</strong>g> <str<strong>on</strong>g>following</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> <str<strong>on</strong>g>Little</str<strong>on</strong>g> <str<strong>on</strong>g>Ice</str<strong>on</strong>g> <str<strong>on</strong>g>Age</str<strong>on</strong>g> <strong>on</strong> <strong>Svalbard</strong>:<br />

Implicati<strong>on</strong> of debris-covered glaciers dynamic and morphological setting<br />

Figure 3. Geomorphology map of Platåbreen. C<strong>on</strong>tour lines with 50 m intervals (solid lines) are from<br />

Norwegian Polar Institute (2000).<br />

moraine <str<strong>on</strong>g>the</str<strong>on</strong>g> channel met with o<str<strong>on</strong>g>the</str<strong>on</strong>g>r smaller<br />

channels and as <strong>on</strong>e <str<strong>on</strong>g>the</str<strong>on</strong>g>y run toward west<br />

over Platåbjerget.<br />

The fr<strong>on</strong>tal moraine has a steep fr<strong>on</strong>t,<br />

rising around 30 m higher than <str<strong>on</strong>g>the</str<strong>on</strong>g> plateau.<br />

The fr<strong>on</strong>tal moraine is c<strong>on</strong>tinuingly raising<br />

upglacier, <str<strong>on</strong>g>the</str<strong>on</strong>g> first part is flat with small<br />

Page 6 of 15<br />

l<strong>on</strong>g hills, upglacier <str<strong>on</strong>g>the</str<strong>on</strong>g> amplitude of <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

relief getting larger and les c<strong>on</strong>tinuing hills<br />

al<strong>on</strong>g <str<strong>on</strong>g>the</str<strong>on</strong>g> moraine. At <str<strong>on</strong>g>the</str<strong>on</strong>g> fr<strong>on</strong>t of <str<strong>on</strong>g>the</str<strong>on</strong>g><br />

moraine <str<strong>on</strong>g>the</str<strong>on</strong>g>re are streamlines spreading<br />

out in different directi<strong>on</strong>. A streamline is<br />

here defined as a line formed by running<br />

water, but <strong>on</strong>ly used periods or maybe not

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