Search Results - "Siegwolf, R.T.W"

Contribution of isotope ratio mass spectrometry to the investigation of improvised explosives: Isotopic study of black powders and ammonium nitrates by Gentile, N, Siegwolf, R.T.W, Delémont, O

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Recent atmospheric drying in Siberia is not unprecedented over the last 1,500 years by Churakova Sidorova, O. V., Corona, C., Fonti, M. V., Guillet, S., Saurer, M., Siegwolf, R. T. W., Stoffel, M., Vaganov, E. A.

“…Newly developed millennial δ 13 C larch tree-ring chronology from Siberia allows reconstruction of summer (July) vapor pressure deficit (VPD) changes in a…”
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Carbon isotope discrimination indicates improving water-use efficiency of trees in northern Eurasia over the last 100 years by Saurer, M, Siegwolf, R.T.W, Schweingruber, F.H

“…We investigated the response of conifer trees in northern Eurasia to climate change and increasing CO2 over the last century by measuring the carbon isotope…”
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The relationship between needle sugar carbon isotope ratios and tree rings of larch in Siberia by Rinne, K T, Saurer, M, Kirdyanov, A V, Loader, N J, Bryukhanova, M V, Werner, R A, Siegwolf, R T W

“…Significant gaps still exist in our knowledge about post-photosynthetic leaf level and downstream metabolic processes and isotopic fractionations. This…”
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Progress and challenges in using stable isotopes to trace plant carbon and water relations across scales by Werner, C, Schnyder, H, Cuntz, M, Keitel, C, Zeeman, M. J, Dawson, T. E, Badeck, F.-W, Brugnoli, E, Ghashghaie, J, Grams, T. E. E, Kayler, Z. E, Lakatos, M, Lee, X, Máguas, C, Ogée, J, Rascher, K. G, Siegwolf, R. T. W, Unger, S, Welker, J, Wingate, L, Gessler, A

“…Stable isotope analysis is a powerful tool for assessing plant carbon and water relations and their impact on biogeochemical processes at different scales. Our…”
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Stable isotope coherence in the earlywood and latewood of tree-line conifers by Kress, Anne, Young, Giles H.F., Saurer, Matthias, Loader, Neil J., Siegwolf, Rolf T.W., McCarroll, Danny

“…Annually resolved and replicated tree-ring stable isotope series have the potential to reconstruct growing season environmental parameters over…”
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Impact of different nitrogen emission sources on tree physiology as assessed by a triple stable isotope approach by Guerrieri, M.R., Siegwolf, R.T.W., Saurer, M., Jäggi, M., Cherubini, P., Ripullone, F., Borghetti, M.

“…The importance that nitrogen (N) deposition has in driving the carbon (C) sequestration of forests has recently been investigated using both experimental and…”
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Temporal stability of climate-isotope relationships in tree rings of oak and pine (Ticino, Switzerland) by Reynolds-Henne, C.E, Siegwolf, R.T.W, Treydte, K.S, Esper, J, Henne, S, Saurer, M

“…Climate reconstructions based on stable isotopes in tree rings commonly rely on the assumption that climate‐isotope relations are stable over time. However,…”
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Immobilization, stabilization and remobilization of nitrogen in forest soils at elevated CO2: a 15N and 13C tracer study by Hagedorn, F, Maurer, S, Bucher, J.B, Siegwolf, R.T.W

“…The fate of immobilized N in soils is one of the great uncertainties in predicting C sequestration at increased CO2 and N deposition. In a dual isotope tracer…”
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Dynamics of soil organic matter turnover and soil respired CO₂ in a temperate grassland labelled with ¹³C by Theis, D.E, Jaeggi, M, Aeschlimann, D, Blum, H, Frossard, E, Siegwolf, R.T.W

“…The fate of carbon (C) in grassland soils is of particular interest since the vast majority in grassland ecosystems is stored below ground and respiratory…”
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Growth of a deciduous tree seedling community in response to elevated CO 2 and nutrient supply by Bucher, J.B., Tarjan, D.P., Siegwolf, R.T.W., Saurer, M., Blum, H., Hendrey, G.R.

“…In a FACE experiment, one year old alder, ash, beech, and oak seedlings were planted together in tubs containing calcareous sandy alluvial soil with or without…”
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Growth of a deciduous tree seedling community in response to elevated CO2 and nutrient supply by BUCHER, J. B, TARJAN, D. P, SIEGWOLF, R. T. W, SAURER, M, BLUM, H, HENDREY, G. R

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Mapping the impact of anthropogenic depositions on high elevated alpine forests by Graber, W.K., Siegwolf, R.T.W., Nater, W., Leonardi, S.

“…A multimedia approach is presented to evaluate the atmospheric impact on Alpine torests in Switzerland. The aim of this approach is the determination of…”
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