Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Shuling Chen
  • Thimo Klotzbücher
  • Oliver J. Lechtenfeld
  • Hanlie Hong
  • Chongxuan Liu
  • Klaus Kaiser
  • Christian Mikutta
  • Robert Mikutta

Organisationseinheiten

Externe Organisationen

  • South University of Science and Technology of China
  • Martin-Luther-Universität Halle-Wittenberg
  • China University of Geosciences (CUG)
  • Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)2044-2053
Seitenumfang10
FachzeitschriftEnvironmental Science and Technology
Jahrgang56
Ausgabenummer3
PublikationsstatusVeröffentlicht - 11 Jan. 2022

Abstract

Sorption of dissolved organic matter (DOM) is one major pathway in the formation of mineral-associated organic matter (MOM), but there is little information on how previous sorption events feedback to later ones by leaving their imprint on mineral surfaces and solutions (“legacy effect”). In order to conceptualize the role of legacy effects in MOM formation, we conducted sequential sorption experiments with kaolinite and gibbsite as minerals and DOM derived from forest floor materials. The MOM formation efficiency leveled off upon repeated addition of identical DOM solutions to minerals due to the retention of highly sorptive organic molecules (primarily aromatic, nitrogen-poor, hydrogen-poor, and oxygen-rich molecules), which decreased the sorption site availability and simultaneously modified the mineral surface charge. Organic–organic interactions as postulated in multilayer models played a negligible role in MOM formation. Continued exchange between DOM and MOM molecules upon repeated sorption altered the DOM composition but not the MOM formation efficiencies. Sorption-induced depletion of high-affinity compounds from solutions further decreased the MOM formation efficiencies to pristine minerals. Overall, the interplay between the differential sorptivities of DOM components and the mineral surface chemistry explains the legacy effects that contribute to the regulation of fluxes and the distribution of organic matter in the soil.

ASJC Scopus Sachgebiete

Zitieren

Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter. / Chen, Shuling; Klotzbücher, Thimo; Lechtenfeld, Oliver J. et al.
in: Environmental Science and Technology, Jahrgang 56, Nr. 3, 11.01.2022, S. 2044-2053.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Chen, S, Klotzbücher, T, Lechtenfeld, OJ, Hong, H, Liu, C, Kaiser, K, Mikutta, C & Mikutta, R 2022, 'Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter', Environmental Science and Technology, Jg. 56, Nr. 3, S. 2044-2053. https://doi.org/10.1021/acs.est.1c06880
Chen, S., Klotzbücher, T., Lechtenfeld, O. J., Hong, H., Liu, C., Kaiser, K., Mikutta, C., & Mikutta, R. (2022). Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter. Environmental Science and Technology, 56(3), 2044-2053. https://doi.org/10.1021/acs.est.1c06880
Chen S, Klotzbücher T, Lechtenfeld OJ, Hong H, Liu C, Kaiser K et al. Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter. Environmental Science and Technology. 2022 Jan 11;56(3):2044-2053. doi: 10.1021/acs.est.1c06880
Chen, Shuling ; Klotzbücher, Thimo ; Lechtenfeld, Oliver J. et al. / Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter. in: Environmental Science and Technology. 2022 ; Jahrgang 56, Nr. 3. S. 2044-2053.
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title = "Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter",
abstract = "Sorption of dissolved organic matter (DOM) is one major pathway in the formation of mineral-associated organic matter (MOM), but there is little information on how previous sorption events feedback to later ones by leaving their imprint on mineral surfaces and solutions (“legacy effect”). In order to conceptualize the role of legacy effects in MOM formation, we conducted sequential sorption experiments with kaolinite and gibbsite as minerals and DOM derived from forest floor materials. The MOM formation efficiency leveled off upon repeated addition of identical DOM solutions to minerals due to the retention of highly sorptive organic molecules (primarily aromatic, nitrogen-poor, hydrogen-poor, and oxygen-rich molecules), which decreased the sorption site availability and simultaneously modified the mineral surface charge. Organic–organic interactions as postulated in multilayer models played a negligible role in MOM formation. Continued exchange between DOM and MOM molecules upon repeated sorption altered the DOM composition but not the MOM formation efficiencies. Sorption-induced depletion of high-affinity compounds from solutions further decreased the MOM formation efficiencies to pristine minerals. Overall, the interplay between the differential sorptivities of DOM components and the mineral surface chemistry explains the legacy effects that contribute to the regulation of fluxes and the distribution of organic matter in the soil.",
keywords = "carbon sequestration, Fourier-transform ion cyclotron resonance mass spectrometry, legacy effects, mineral-associated organic matter, soil organic matter, sorption",
author = "Shuling Chen and Thimo Klotzb{\"u}cher and Lechtenfeld, {Oliver J.} and Hanlie Hong and Chongxuan Liu and Klaus Kaiser and Christian Mikutta and Robert Mikutta",
note = "Funding Information: This work was funded by the German Research Foundation (DFG, project “Formation and properties of mineral-organic soil interfaces as revealed by XPS,” MI 1377/13-1). Additional support was from the Program for Guangdong Introducing Innovative and Entrepreneurial Teams (2017ZT07Z479) and the Natural Science Foundation of China (nos. 41772032 and 42172045). We are grateful for the help of Anika Klotzb{\"u}cher, Alexandra Boritzki, Christine Krenkewitz, and Gudrun von Koch during the laboratory work. We thank Jan Kaesler for the FT-ICR-MS measurements and Kai Franze for software development. The authors are grateful for using the analytical facilities of the Centre for Chemical Microscopy (ProVIS) at the Helmholtz Centre for Environmental Research, Leipzig, which is supported by the European Regional Development Funds (EFRE─Europe funds Saxony) and the Helmholtz Association.",
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Download

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T1 - Legacy Effects of Sorption Determine the Formation Efficiency of Mineral-Associated Soil Organic Matter

AU - Chen, Shuling

AU - Klotzbücher, Thimo

AU - Lechtenfeld, Oliver J.

AU - Hong, Hanlie

AU - Liu, Chongxuan

AU - Kaiser, Klaus

AU - Mikutta, Christian

AU - Mikutta, Robert

N1 - Funding Information: This work was funded by the German Research Foundation (DFG, project “Formation and properties of mineral-organic soil interfaces as revealed by XPS,” MI 1377/13-1). Additional support was from the Program for Guangdong Introducing Innovative and Entrepreneurial Teams (2017ZT07Z479) and the Natural Science Foundation of China (nos. 41772032 and 42172045). We are grateful for the help of Anika Klotzbücher, Alexandra Boritzki, Christine Krenkewitz, and Gudrun von Koch during the laboratory work. We thank Jan Kaesler for the FT-ICR-MS measurements and Kai Franze for software development. The authors are grateful for using the analytical facilities of the Centre for Chemical Microscopy (ProVIS) at the Helmholtz Centre for Environmental Research, Leipzig, which is supported by the European Regional Development Funds (EFRE─Europe funds Saxony) and the Helmholtz Association.

PY - 2022/1/11

Y1 - 2022/1/11

N2 - Sorption of dissolved organic matter (DOM) is one major pathway in the formation of mineral-associated organic matter (MOM), but there is little information on how previous sorption events feedback to later ones by leaving their imprint on mineral surfaces and solutions (“legacy effect”). In order to conceptualize the role of legacy effects in MOM formation, we conducted sequential sorption experiments with kaolinite and gibbsite as minerals and DOM derived from forest floor materials. The MOM formation efficiency leveled off upon repeated addition of identical DOM solutions to minerals due to the retention of highly sorptive organic molecules (primarily aromatic, nitrogen-poor, hydrogen-poor, and oxygen-rich molecules), which decreased the sorption site availability and simultaneously modified the mineral surface charge. Organic–organic interactions as postulated in multilayer models played a negligible role in MOM formation. Continued exchange between DOM and MOM molecules upon repeated sorption altered the DOM composition but not the MOM formation efficiencies. Sorption-induced depletion of high-affinity compounds from solutions further decreased the MOM formation efficiencies to pristine minerals. Overall, the interplay between the differential sorptivities of DOM components and the mineral surface chemistry explains the legacy effects that contribute to the regulation of fluxes and the distribution of organic matter in the soil.

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KW - Fourier-transform ion cyclotron resonance mass spectrometry

KW - legacy effects

KW - mineral-associated organic matter

KW - soil organic matter

KW - sorption

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