Search Results - "Stichler, W."

Analysis of long-term stable isotopic composition in German precipitation by Stumpp, C., Klaus, J., Stichler, W.

“…•We analysed long-term data sets of isotopic composition in German precipitation.•Annual isotopic averages vary according to the latitude and elevation.•The…”
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Environmental isotope (δ 18O) and hydrological data to assess water flow in unsaturated soils planted with different crops: Case study lysimeter station “Wagna” (Austria) by Stumpp, C., Maloszewski, P., Stichler, W., Fank, J.

“…Modelling variable soil water fluxes and transport processes under natural conditions in the unsaturated zone is often restricted and difficult to perform…”
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Evidence for denitrification regulated by pyrite oxidation in a heterogeneous porous groundwater system by Schwientek, Marc, Einsiedl, Florian, Stichler, Willibald, Stögbauer, Andrea, Strauss, Harald, Maloszewski, Piotr

“…Denitrification is an important natural attenuation process that has been observed in many fissured and porous aquifers. However, an important factor limiting…”
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Influence of sublimation on stable isotope records recovered from high-altitude glaciers in the tropical Andes by Stichler, W., Schotterer, U., Fröhlich, K., Ginot, P., Kull, C., Gäggeler, H., Pouyaud, B.

“…Sublimation dominates the ablation process on cold, high‐altitude glaciers in the tropical Andes. Transport of water vapor through the firn and exchange with…”
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Study of stable isotopes in the Kouris catchment (Cyprus) for the description of the regional groundwater flow by Boronina, Anastasia, Balderer, Werner, Renard, Philippe, Stichler, Willibald

“…The stable isotopes of oxygen and hydrogen in groundwater and precipitation were integrated for the description of groundwater flow in the Kouris catchment…”
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Kinetic analyses of plant water relocation using deuterium as tracer - reduced water flux of Arabidopsis pip2 aquaporin knockout mutants by Da Ines, O., Graf, W., Franck, K. I., Albert, A., Winkler, J. B., Scherb, H., Stichler, W., Schäffner, A. R.

“…Due to reduced evaporation and diffusion of water molecules containing heavier isotopes, leaf water possesses an elevated 18O or 2H steady‐state content. This…”
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A Remarkable New Leaf Type With Unusual Photosynthetic Tissue in a Central Asiatic Genus of Chenopodiaceae by Freitag, H., Stichler, W.

“…Abstract: From the hygrohalophyte BORSZCZOWIA ARALOCASPICA Bunge (Chenopodiaceae), a new leaf type with 1-layered chlorenchyma is described as „borszczovoid”…”
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Influence of the Tungurahua eruption on the ice core records of Chimborazo, Ecuador by Ginot, P., Schotterer, U., Stichler, W., Godoi, M. A., Francou, B., Schwikowski, M.

“…The comparison of two shallow ice cores recovered in 1999 and 2000 from the same place on the Chimborazo summit glacier revealed the influence of the…”
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From accumulation to discharge: modification of stable isotopes during glacial and post-glacial processes by Stichler, W, Schotterer, U

“…The isotopes of the water molecule (tritium, deuterium and oxygen‐18) are considered to be ideal tracers of the water cycle, an isobalance of accumulation and…”
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Photosynthesis in Salsola Species (Chenopodiaceae) from Southern Africa Relative to their C 4 Syndrome Origin and their African‐Asian Arid Zone Migration Pathways by Pyankov, V., Black, C., Stichler, W., Ziegler, H.

“…Over 60 Salsola species of Chenopodiaceae from South Africa were studied for their photosynthesis type, using δ 13 C analysis and light microscopy of leaf…”
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Isotope records from Mongolian and Alpine ice cores as climate indicators by Schotterer, U, Frohlich, K, Gaggeler, H W, Sandjordj, S, Stichler, W

“…The link between long term changes in the isotopic composition of precipitation and surface air temperature at a given location is of exceptional importance…”
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Interaction of dredging lakes with the adjacent groundwater field: an isotope study by Yehdegho, B, Rozanski, K, Zojer, H, Stichler, W

“…The paper presents the results of a study aimed at determining the water balance of small dredging lakes located in the temperate climatic zone (southern…”
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Renal excretion of 8-oxo-7,8-dihydro-2 ′-deoxyguanosine: degradation rates of RNA and metabolic rate in humans by Topp, Heinrich, Armbrust, Sven, Lengger, Christoph, Schöch, Gerhard, Davies, Joanne, Stichler, Willibald, Manz, Friedrich, Fusch, Christoph

“…Renally excreted 8-oxo-7,8-dihydro-2 ′-deoxyguanosine (oxo 8dG) is a potential marker of oxidative DNA damage by reactive oxygen species. Whole-body…”
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Effects of the Cinarcik - Ismit August 17, 1999 earthquake on the composition of thermal and mineral waters as revealed by chemical and isotope investigations by T. Yalcin, F. Suner, F. Leuenberger, W. Balderer, W. Stichler

“…Effects of the August 17, 1999 Ismit earthquake include to short-term changes in the composition of thermal and mineral waters in the areas of Kuzuluk, Bursa,…”
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Validation of a coupled δ2Hn-alkane–δ18Osugar paleohygrometer approach based on a climate chamber experiment by Hepp, Johannes, Mayr, Christoph, Rozanski, Kazimierz, Schäfer, Imke Kathrin, Tuthorn, Mario, Glaser, Bruno, Juchelka, Dieter, Stichler, Willibald, Zech, Roland, Zech, Michael

“…The hydrogen isotope composition of leaf-wax-derived biomarkers, e.g., long-chain n-alkanes (δ2Hn-alkane), is widely applied in paleoclimate. However, a direct…”
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Photosynthetic pathways and ecological distribution of Euphorbia species in Egypt by Batanouny, K.H, Stichler, W, Ziegler, H

“…The photosynthetic pathways of 42 species of the genus Euphorbia growing wild, naturalized or cultivated in Egypt were investigated. The criteria used included…”
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Multiple isotope approach to the determination of the natural attenuation potential of a high-alpine karst system by Einsiedl, Florian, Maloszewski, Piotr, Stichler, Willibald

“…3H, δ 18O and δ 2H measurements on groundwater and chemical and isotope analyses on groundwater sulfate were used to determine the origin and mean transit…”
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Bienertia cycloptera Bunge ex Boiss., Chenopodiaceae, another C4 Plant without Kranz Tissues by Freitag, H., Stichler, W.

“…Abstract Following up an earlier study on BORSZCZOWIA ARALOCASPICA, a second C 4 leaf type without Kranz tissues is described from BIENERTIA CYCLOPTERA Bunge…”
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Use of environmental isotopes to define the capture zone of a drinking water supply situated near a dredge lake by Stichler, Willibald, Maloszewski, Piotr, Bertleff, Bruno, Watzel, Ralph

“…Lake–ground water interactions in the vicinity of a dredge lake (Lake Leis; SW Germany) were studied by means of the stable isotopes ( 18O, 2H) mainly to…”
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Application of the environmental isotope delta super(1) super(8)O to study water flow in unsaturated soils planted with different crops: Case study of a weighable lysimeter from the research field in Neuherberg, Germany by Stumpp, C, Stichler, W, Maloszewski, P

“…An attempt was made to improve the application of a lumped parameter model in the unsaturated soils planted with different crops. A first step of such an…”
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