Differentiating with fluorescence spectroscopy the sources of dissolved organic matter in soils subjected to drying

The relative fluorescence, normalised on dissolved organic carbon (DOC), and a humification index, based on the location of the fluorescence emission spectra, were used to investigate the possible sources of the increase in dissolved organic matter (DOM) when a soil is dried. From these 2 parameters...

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Bibliographic Details
Published inChemosphere (Oxford) Vol. 38; no. 1; pp. 45 - 50
Main Authors Zsolnay, Adam, Baigar, Erik, Jimenez, Miguel, Steinweg, Bernd, Saccomandi, Flavia
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1999
Elsevier
Subjects
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochemistry
Soil and rock geochemistry
Soils
Surficial geology
fluorescence
spectroscopy
organic materials
dissolved materials
emission spectra
soils
organic carbon
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Summary:The relative fluorescence, normalised on dissolved organic carbon (DOC), and a humification index, based on the location of the fluorescence emission spectra, were used to investigate the possible sources of the increase in dissolved organic matter (DOM) when a soil is dried. From these 2 parameters it could be seen that air drying resulted in a minor increase of more humified material in DOM while the effect of oven drying was mainly due to cell lysis.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0045-6535
1879-1298
DOI:10.1016/S0045-6535(98)00166-0