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Glacier mass balance of Hallstäter Glacier, Austria, 2007/2008

Elevation zones Hallstätter Gletscher, Dachstein, Austria, 2024/2025

The annual glacier mass balance of Hallstätter Gletscher in Austria is measured since 1.10.2006 with the direct glaciological method in the fixed date system (1.10. to 30. 09. of the following year). The accumulation of snow is measured by determination of the water equivalent in 6 snow pits, the ice ablation is measured with 15 stakes drilled into the ice. Results are the annual net mass balance in kg, the total accumulation and ablation, the glacier area and the portions of the area which are subject to ablation and accumulation, the elevation of the equilibrium line and the specific mass balance in kg/m² (= mm w.e.). The accumulation during the winter is determined by the 1 May. The project is funded by the Federal Government of Upper Austria. The measurements are carried out the Institute for Interdisciplinary Mountain Research of the Austrian Academy of Sciences and the company Blue Sky in Gmunden, Austria.

Großlandschaften

Großlandschaften sind große naturräumliche Einheiten, die sich durch typische Landschaftsformen, Geologie, Klima und Vegetation unterscheiden. In Deutschland gibt es etwa zehn Großlandschaften. Zu den wichtigsten zählen die Norddeutsche Tiefebene, das Mittelgebirgsland, das Alpenvorland und die Alpen. Jede Großlandschaft hat ihre eigenen charakteristischen Merkmale und prägt das Landschaftsbild der jeweiligen Region. In Bayern sind vor allem das Alpenvorland, die Bayerischen Alpen, das Bayerische Mittelgebirge und die Fränkische Platte bedeutend.

Glacier mass balance Hallstätter Gletscher, Dachstein, Austria, 2024/2025

The annual glacier mass balance of Hallstätter Gletscher in Austria is measured since 1.10.2006 with the direct glaciological method in the fixed date system (1.10. to 30. 09. of the following year). The accumulation of snow is measured by determination of the water equivalent in 6 snow pits, the ice ablation is measured with 15 stakes drilled into the ice. Results are the annual net mass balance in kg, the total accumulation and ablation, the glacier area and the portions of the area which are subject to ablation and accumulation, the elevation of the equilibrium line and the specific mass balance in kg/m² (= mm w.e.). The accumulation during the winter is determined by the 1 May. The project is funded by the Federal Government of Upper Austria. The measurements are carried out the Institute for Interdisciplinary Mountain Research of the Austrian Academy of Sciences and the company Blue Sky in Gmunden, Austria.

Glacier mass balance of Hallstäter Glacier, Austria, 2006/07 et seq in shapefile format

Annual and winter glacier mass balance maps (fixed date system) for Hallstätter Glacier in the Dachstein Massif, Austria, is provided in shapefile format. The shapes contain contour lines delineating areas of equal mass balance as well as elevation zones. Spatially integrated mass balance is derived from point measurements at snow pits and ablation stakes by interpolating between measurement points and extrapolating to unmeasured regions of the glacier. Detailed Information is given in Helfricht (2009) and Bertolotti et al. (in prep.) and in the associated readme files. New data will be added each year. This is complementary information to the data provided by Fischer et al., 2016.

Results of palynological analysis from 2020 of the varved MO-05 core from Lake Mondsee (Austria) section (249-526 cm)

This study reports a precisely dated pollen record with a 20-year resolution from the varved sediments of Lake Mondsee in the north-eastern European Alps (47°49′N, 13°24′E, 481 m above sea level). The analysed part of core spans the interval between 1500 BCE and 500 CE and allows changes in vegetation composition in relation to climatic changes and human activities in the catchment to be inferred. Intervals of distinct but modest human impact are identified at ca. 1450-1220, 740-490 and 340-190 BCE and from 80 BCE to 180 CE. While the first two intervals are synchronous with prominent salt mining phases during the Bronze Age and Early Iron Age at the nearby UNESCO World Heritage Site of Hallstatt, the last two intervals fall within the Late Iron Age and Roman Imperial Era, respectively. Comparison with published records of extreme runoff events obtained from the same sediment core shows that human activities (including agriculture and logging) around Lake Mondsee were low during intervals of high flood frequency as indicated by a higher number of intercalated detrital event layers, but intensified during hydrologically stable intervals. Comparison of the pollen percentages of arboreal taxa with the stable oxygen isotope and potassium ion records of the NGRIP and GISP2 ice cores from Greenland reveals significant positive correlations for Fagus and negative correlations for Betula and Alnus. This underlines the sensitivity of vegetation around Lake Mondsee to temperature fluctuations in the North Atlantic as well as to moisture fluctuations controlled by changes in the intensity of the Siberian High and the North Atlantic Oscillation (NAO) regime.

Abgrabungen genehmigt Kreis Wesel

Dargestellt werden Abgrabungsbereiche im Kreis Wesel, für die eine Genehmigung vorliegt, der Abbau aber noch nicht begonnen hat. Dargestellt werden die Bruttoflächen.

Abgrabungen in Zeitschritten Kreis Wesel

Dargestellt werden die im Abbau befindlichen Bereich je Jahrzehnt. Die Erfassung erfolgt auf Basis von Luftbildern und wurde noch nicht für alle Abgrabungen durchgeführt.

(Bio)geochemical data Pürgschachen Moor

The dataset contains multi-proxy-analyses (element geochemistry, stable Pb isotopes, humification index, ash content) of a 500-cm-long, 14C dated peat core covering the past ~5000 years from the ombrotrophic Pürgschachen Moor in the Styrian Enns Valley (Austrian Alps).

Abgrabungen abgeschlossen Kreis Wesel

Dargestellt werden alle bekannten Flächen im Kreis Wesel, auf denen Abbau von Kies, Sand oder Ton vorgenommen wurde. IdR hat eine Schlussabnahme stattgefunden.

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