Výsledky vyhledávání - "Gerhard Hans Schleser"

Akademický článek

A Dual Stable Isotope Approach Unravels Common Climate Signals and Species-Specific Responses to Environmental Change Stored in Multi-Century Tree-Ring Series from the Tibetan Plateau

Autor: Jussi Grießinger, Achim Bräuning, Gerhard Helle, Gerhard Hans Schleser, Philipp Hochreuther, Wolfgang Jens-Henrik Meier, Haifeng Zhu

Publikováno v: Geosciences, Vol 9, Iss 4, p 151 (2019)

Tree-rings are recorders of environmental signals and are therefore often used to reconstruct past environmental conditions. In this paper, we present four annually resolved, multi-centennial tree-ring isotope series from the southeastern Tibetan pla

Externí odkaz: https://doaj.org/article/d62aa436c6a34e93bde352e2ffc95ec5

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Seasonal Changes in Organic Carbon Content of Leaves of Deciduous Trees

Autor: Gerhard Hans Schleser, R. Jayasekera

Publikováno v: Journal of Plant Physiology. 138:507-510

Summary Changes in organic carbon content were investigated during the course of one growing season in the leaves of beech ( Fagus sylvatica L.) and oak ( Quercus robur L.). Considerable alterations in leaf carbon content were found not only during t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ac11936e2501bb124fe5d0f0255a2ae
https://doi.org/10.1016/s0176-1617(11)80231-2

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δ13C Record in forest soil using a rapid method for preparing carbon dioxide samples

Autor: Rolf Pohling, Gerhard Hans Schleser

Publikováno v: The International Journal of Applied Radiation and Isotopes. 31:769-773

13C/12C variations of organic carbon have been investigated in forest soil down to a depth of 40 cm by using a fast method of sample preparation. The measured values of the various soil horizons are in good agreement with measurements applying the cl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b6812a8119cdff832f7ed4c5dfc229c
https://doi.org/10.1016/0020-708x(80)90067-8

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Preparation of oxygen samples for measurements by a combined gas chromatography-burning technique

Autor: Bernd Weiner, Hilmar Förstel, Gerhard Hans Schleser

Publikováno v: The International Journal of Applied Radiation and Isotopes. 27:211-215

Oxygen is quantitatively separated from oxygen-nitrogen gas mixtures by gaschromatography and adsorbed at a molecular sieve at liquid nitrogen temperature. After the desorption of oxygen from the molecular sieve the liberated oxygen can be converted

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::828636abbcafc42bf5859fb670a5ae78
https://doi.org/10.1016/0020-708x(76)90002-8

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