Effects of variability of meteorological measures on soil temperature in permafrost regions
- 1Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, 10691 Stockholm, Sweden
- 2Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden
- 3Uni Research Climate, Bjerknes Centre for Climate Research, Bergen, Norway
- 1Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, 10691 Stockholm, Sweden
- 2Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden
- 3Uni Research Climate, Bjerknes Centre for Climate Research, Bergen, Norway
Abstract. To clarify effects of the variability of meteorological measures and their extreme events on topsoil and subsoil temperature in permafrost regions, an artificially manipulated climate dataset has been used for process-oriented model experiments. Climate variability mainly impacts snow depth, and the cover and thermal diffusivity of lichens and bryophytes. The latter effect is of opposite direction in summer and winter. These impacts of climate variability on insulating layers together substantially alter the heat exchange between atmosphere and soil. As a result, soil temperature is up to 1 K higher when climate variability is reduced under conserved long-term mean meteorological measures. Climate models project warming of the Arctic region but also increasing climate variability and extreme events. Therefore, our results show that projected future increases in permafrost temperature and active-layer thickness will be less pronounced in response to climate change when considering dynamic snow and near-surface vegetation modules.
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Preprint
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Christian Beer et al.
Interactive discussion


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RC1: 'Review Beer et al 2016', Anonymous Referee #1, 27 Sep 2016
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AC1: 'reply to anonymous referee 1', C. Beer, 10 Oct 2016
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AC3: 'revised manuscript', C. Beer, 12 Oct 2016
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AC1: 'reply to anonymous referee 1', C. Beer, 10 Oct 2016
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RC2: 'Review of Beer et al.', Charles Koven, 03 Oct 2016
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AC2: 'reply to referee 2 Charles Koven', C. Beer, 10 Oct 2016
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AC4: 'revised version of the manuscript', C. Beer, 12 Oct 2016
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AC2: 'reply to referee 2 Charles Koven', C. Beer, 10 Oct 2016
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RC3: 'Comments to the manuscript', Anonymous Referee #3, 21 Oct 2016
Interactive discussion


-
RC1: 'Review Beer et al 2016', Anonymous Referee #1, 27 Sep 2016
-
AC1: 'reply to anonymous referee 1', C. Beer, 10 Oct 2016
-
AC3: 'revised manuscript', C. Beer, 12 Oct 2016
-
AC1: 'reply to anonymous referee 1', C. Beer, 10 Oct 2016
-
RC2: 'Review of Beer et al.', Charles Koven, 03 Oct 2016
-
AC2: 'reply to referee 2 Charles Koven', C. Beer, 10 Oct 2016
-
AC4: 'revised version of the manuscript', C. Beer, 12 Oct 2016
-
AC2: 'reply to referee 2 Charles Koven', C. Beer, 10 Oct 2016
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RC3: 'Comments to the manuscript', Anonymous Referee #3, 21 Oct 2016
Christian Beer et al.
Christian Beer et al.
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