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Olaf Bubenzer
Heidelberg University
62Publications
11H-index
462Citations
Publications 65
Newest
#1Simon Matthias May (University of Cologne)H-Index: 13
#2Lennart Meine (University of Cologne)H-Index: 1
Last.Olaf Bubenzer (Heidelberg University)H-Index: 11
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Abstract Hillslopes represent areas of predominant denudation and constitute the transition and trajectory to floodplains; they play a crucial role in understanding the long-term landscape evolution of desert environments. However, although hillslope processes are known to be very slow or even stagnant in (hyper-) arid environments, process mechanisms under the virtual absence of water are poorly understood, and process rates are essentially unknown. Based on irrigation experiments, different mo...
4 CitationsSource
#1Alicia Medialdea (University of Cologne)H-Index: 8
#2Simon Matthias May (University of Cologne)H-Index: 13
Last.Olaf Bubenzer (Heidelberg University)H-Index: 11
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Abstract Geological records indicate that the hyper aridity in the Atacama Desert has prevailed since at least the mid-Miocene, with shorter periods of increased humidity punctuating long-term aridity. The 7-m accumulation of colluvial sediments at the Salar Grande (21°S/70°W) studied here provides a key palaeoclimate record to understand hillslope dynamics and its relation to humid periods. While 10Be surface exposure ages point to long-term surface stability of the flat upslope surface, a comb...
2 CitationsSource
#1Tobias UllmannH-Index: 6
Last.Olaf BubenzerH-Index: 11
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Abstract. During this study, the recent relations between the hydrological systems and the distribution of archaeological sites and obsidian raw material outcrops within the catchment of the Bisare River, around Mt Damota, and around Mt Sodicho in the southwestern Ethiopian Highlands were investigated. To do so, we combined geomorphological–hydrological analyses with field surveys and GIS mapping. The aim was to try to transfer these recent interrelations into the past to better understand the f...
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#1Simon Matthias May (University of Cologne)H-Index: 13
#2Dirk Hoffmeister (University of Cologne)H-Index: 11
Last.Olaf Bubenzer (Heidelberg University)H-Index: 11
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Abstract Although a number of studies have pointed out the remarkable slowness of Earth surface processes in the Atacama Desert, process mechanisms under such extremely limited water availability are poorly understood, and process rates remain unknown. This paper revisits the discussion on the formation of the prominent Atacama-specific hillslope zebra (stone) stripes, previously interpreted to result from palaeo-overland flow (Owen et al., 2013). Compared to previous studies, our data document ...
5 CitationsSource
This research is complementary to the project DEM_HYDR2024, whose donor was the Deutsches Zentrum fur Luft- und Raumfahrt (DLR) for the used TanDEM-Xdatasets. Fieldwork campaigns needed for this research were funded by Integrated Land Management Institute (ILMI) under grant number RY210400 (http://ilmi.nust.na/) and by the Department of Geo-Spatial Science and Technology (http://fnrss.nust.na/?q=department/geo-spatial-technology) at Namibia University of Science and Technology. Financial support...
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#1Manuel HerzogH-Index: 1
Last.Olaf BubenzerH-Index: 11
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#1Felix HenselowskyH-Index: 2
Last.Olaf BubenzerH-Index: 11
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#1Bertil Mächtle (Heidelberg University)H-Index: 7
#2Stefan Hecht (Heidelberg University)H-Index: 7
Last.Olaf Bubenzer (Heidelberg University)H-Index: 11
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Age and origin of ancient famous Karez water systems in the oases of the Turpan Basin are open questions in geoarchaeological and historical research. Four hypotheses exist: (a) invention during Han dynasty more than 2000 years ago, (b) transfer of technology from Persian Qanat’s more than 3000 years ago, (c) independent invention of local Uyghur people in the 15th century, and (d) late invention during the Chinese Qing dynasty (19th century). Our study dates, for the first time, 8 Karez systems...
1 CitationsSource
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