Publikation:

Dynamics in composition and size-class distribution of humic substances in profundal sediments of Lake Constance

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Dynamics_in_composition_and_size_class_distribution_2001.pdf
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Datum

2001

Autor:innen

Kappler, Andreas
Ji, Rong

Herausgeber:innen

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-27096
DOI (zitierfähiger Link)
https://doi.org/10.1016/S0146-6380(00)00160-1
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access-Veröffentlichung
Open Access Green

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Biologie: Publikationen
Core Facility der Universität Konstanz

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Published

Erschienen in

Organic Geochemistry. 2001, 32(1), pp. 3-10. ISSN 0146-6380. Available under: doi: 10.1016/S0146-6380(00)00160-1

Zusammenfassung

Organic matter from profundal lake sediments was fractionated and analyzed with high depth resolution, and the size-class distribution of humic substances was determined by gel-permeation chromatography. Together with a depth- dependent increase of the thermal stability of the organic matter and an increasing C/N atomic ratio of the humic acids, the size-distribution patterns of di erent fractions indicated an increasing degree of humification with depth. The main stabilization processes occurred in the surface layer (0±2 cm depth), which is clearly distinguished from the deeper sediment. The depth profiles also indicated that humification in lake sediments consists of simultaneous degradation and polymerization processes.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Lake sediment, Size-class distribution, Humic substances, Humification processes

Konferenz

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ISO 690KAPPLER, Andreas, Rong JI, Bernhard SCHINK, Andreas BRUNE, 2001. Dynamics in composition and size-class distribution of humic substances in profundal sediments of Lake Constance. In: Organic Geochemistry. 2001, 32(1), pp. 3-10. ISSN 0146-6380. Available under: doi: 10.1016/S0146-6380(00)00160-1
BibTex
@article{Kappler2001Dynam-7508,
  year={2001},
  doi={10.1016/S0146-6380(00)00160-1},
  title={Dynamics in composition and size-class distribution of humic substances in profundal sediments of Lake Constance},
  number={1},
  volume={32},
  issn={0146-6380},
  journal={Organic Geochemistry},
  pages={3--10},
  author={Kappler, Andreas and Ji, Rong and Schink, Bernhard and Brune, Andreas}
}
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