Field experiment on water transport of oak trees measured by computer tomograph and magnetic resonance imaging

Cs Béres, A. Fenyvesi, A. Raschi, H. W. Ridder

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Our multidisciplinary research group has been engaged in studying the water transport traced by short half life cyclotron produced isotopes (24Na, 43K) for many years in oak species. There are a lot of different methods to estimate quantitatively the sap flow in trees. Most of these are indirect, producing relative data. Our isotope labeling technique is the only one, offering direct velocity values. To interpret these results however are very difficult because it is impossible to estimate sap flow quantitatively without any information regarding the actual cross section through which this flow is carried on. The computer tomograph and magnetic resonance techniques can provide exact and quantitative information about the areas with high water content within the trunk. The first results suggest that not only the outermost layer of xylem, but also the other water rich compartments might play a decisive role in sap flow.

Original languageEnglish
Pages (from-to)925-930
Number of pages6
JournalChemosphere
Volume36
Issue number4-5
DOIs
Publication statusPublished - Feb 1998

Fingerprint

Quercus
sap flow
Magnetic resonance
Isotopes
Magnetic Resonance Imaging
Imaging techniques
Water
Cyclotrons
isotope
Labeling
Water content
Isotope Labeling
Xylem
Experiments
xylem
half life
water
Half-Life
Magnetic Resonance Spectroscopy
cross section

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Field experiment on water transport of oak trees measured by computer tomograph and magnetic resonance imaging. / Béres, Cs; Fenyvesi, A.; Raschi, A.; Ridder, H. W.

In: Chemosphere, Vol. 36, No. 4-5, 02.1998, p. 925-930.

Research output: Contribution to journalArticle

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