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Relevance of local climate variation for glacier behavior in Tyroler Fjord (Northeast Greenland)

Measurements of local glaciers and ice cap change are sparse in Northeast (NE) Greenland despite its important contribution to the freshwater release from Greenland and hence sea-level rise. Glaciers exhibit one of the clearest and most direct responses to climate change and past climate observations provide an opportunity to decipher glacier evolution. Air temperature is a crucial climatological parameter and a key control of processes affecting the snow and glacier-ice melt. So a realistic description of the spatiotemporal air temperature variation is necessary for accurate melt modeling. However, we have limited understanding about the distribution of air temperature and the effect of air temperature inversions on snow and ice cover throughout Greenland. This highlights the impeccable need to explore issues with data sparseness and modeling capacities. We aim to comprehend the local climate variability in TyrolerFjord region situated in NE Greenland and its impact on glacier and ice cap’s behavior. To understand this, we will first evaluate temperature inversion calculated from available temperature data at different elevations and its best consideration in models of vertical temperature distribution. Finally, we aim to apply this inversion models to physical-based glacier melt model to understand the influence of temperature inversions on glacier mass balance in TyrolerFjord region, particularly for the A.P. Oslen ice cap and the Freya Glacier.


Funding agency:
University of Graz PraeDoc position


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