Emerging investigator series: preferential adsorption and coprecipitation of permafrost organic matter with poorly crystalline iron minerals

Author:

Voggenreiter Eva1ORCID,Schmitt-Kopplin Philippe23,ThomasArrigo Laurel4ORCID,Bryce Casey5,Kappler Andreas16,Joshi Prachi1ORCID

Affiliation:

1. Geomicrobiology, Department of Geosciences, University of Tübingen, Schnarrenbergstrasse 94-96, 72076 Tübingen, Germany

2. Analytical Biogeochemistry, Helmholtz Center Munich, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany

3. Analytical Food Chemistry, Technical University of Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany

4. Environmental Chemistry, University of Neuchâtel, Avenue de Bellevaux 51, Neuchâtel, CH-2000, Switzerland

5. School of Earth Sciences, University of Bristol, Wills Memorial Building, Queens Road, Bristol BS8 1RJ, UK

6. Cluster of Excellence: EXC 2124: Controlling Microbes to Fight Infection, Schnarrenbergstrasse 94-96, 72076 Tübingen, Germany

Abstract

This study reports the decrease in iron-bound organic carbon quantity and change in its composition in thawing permafrost soils, with implications for the bioavailability of the dissolved organic carbon pool.

Funder

Deutsche Forschungsgemeinschaft

Publisher

Royal Society of Chemistry (RSC)

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