Schmidt Hammer Exposure Age Dating


PDF Abstract Schmidt-hammer rebound values R-values enable relative-age dating of landforms, with R-values relating to degree of weathering and therefore length of exposure. Schwedt single method — recently termed as Schmidt-hammer exposure-age dating SHD — was applied to date five rock glaciers size range, 0. The rock glaciers consist of gneiss or high metamorphic series of mica-schist that are comparable in their R-values.

Four of them are relict permafrost absent and one is intact containing patches of permafrost. On each of the five rock glaciers, SHD was carried out at 4—6 sites 50 measurements per site along a longitudinal transect from the frontal ridge to the root zone. Results at all five rock glaciers are generally consistent with each other sharing statistically significant R-values along transects.

The range between the highest and the lowest mean R-value at each of the five rock glaciers is 9. Using rock glacier length and surface velocity data from nearby sites, the rock glacier development must have lasted for several thousand years. Furthermore, by using SHD results from rock glaciers of known age from other sites in the region with comparable geology, approximate afe ages of 6. This indicates long formation periods for all five schnidt glaciers.

Our results suggest that many of the relict rock glaciers in central and eastern Austria were formed over a long period during the Lateglacial and Holocene period. Anderson E, Harrison S, Passmore DG. Google Scholar Aoyama M Rock glaciers in the northern Japanese Flirty girl quotes and sayings Palaeoenvironmental implications since the Late Glacial. Journal of Quaternary Science Google Scholar Ballantyne CK Periglacial trimlines in the Scottish Highlands.

Google Scholar CrossRef Ballantyne Hanmer, Black NM, Finlay DP Enhanced boulder weathering under late-lying snow patches. Earth Surface Processes and Landforms Google Scholar CrossRef Barsch D Rockglaciers — Indicators for the Present and Former Geoecology in High Mountain Environments. Google Scholar Boelhouwers JC, Jager DF, Joode A Application of relative-age dating methods to openwork debris flow deposits in the Cederberg Mountains, Western Cape, South Africa, South African Geographical Journal 8 3: Google Scholar Day MJ, Goudie AS Field single wohnung niederosterreich miete of rock hardness using the Schmidt hammer.

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Quaternary Science Reviews Google Partnersuche northeim Fabiani E Morphologische Studien in den südlichen Niederen Tauern mit besonderer Berücksichtigung des Spätglazials. Arbeiten Geographisches Institut der Universität Graz Google Scholar Frauenfelder R, Laustela M, Kääb A Relative dating of Alpine rockglacier surfaces. Zeitschrift für Geomorphologie Google Scholar Goudie AS The Schmidt-Hammer in geomorphological research. Progress in Physical Geography 30 6: Google Scholar Link Gruber S, Hoelzle M The cooling effect of coarse exopsure revisited: A modeling study of a purely conductive mechanism.

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Physical Abe Series, 48, University of Zurich. Google Scholar Kaufmann V, Schjidt R, Kienast G 10 years of monitoring of the Xeposure rock glacier Ankogel group, Austria — A review of the research activities for the time period — Proceedings of the Fifth Mountain Cartography Workshop, Bohinj, Slovenia, March 29—April 1, Google Scholar Schmidt hammer exposure age dating A Alpine permafrost occurrence at its spatial limits: First results from the eastern margin of the European Alps.

Norsk Geografisk Tidsskrift—Norwegian Journal of Geography Google Scholar Schmidt hammer exposure age dating Kellerer-Pirklbauer A speed dating essen philharmonie The Schmidt-hammer as a relative age dating tool for rock glacier surfaces: Examples from northern and central Europe. Kellerer-Pirklbauer A b Aspects of glacial, paraglacial and periglacial processes and landforms of the Tauern Range, Austria.

PhD-Thesis, University of Graz, pp. Google Scholar Kellerer-Pirklbauer A, Kühnast B Permafrost at datiny limits: Date night ideas in owensboro ky most easterly evidence of existing permafrost in the European Alps as indicated by ground temperature and geoelectrical measurements. Geophysical Research Abstracts Google Scholar Kellerer-Pirklbauer A, Lieb GK, Kleinferchner H A new singles aus zeven glacier inventory at the eastern margin of the European Alps.

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Schmidt-hammer exposure-age dating (SHD) of snow-avalanche impact ramparts in southern Norway: approaches, results and implications for landform age, dynamics and development

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