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An innovative soil mesocosm system for studying the effect of soil moisture and background NO on soil surface C and N trace gas fluxes

Subramaniam, Logapragasan 1; Engelsberger, Florian 1; Wolf, Benjamin 2; Brüggemann, Nicolas; Philippot, Laurent; Dannenmann, Michael 1; Butterbach-Bahl, Klaus 2
1 Karlsruher Institut für Technologie (KIT)
2 Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU), Karlsruher Institut für Technologie (KIT)

Abstract:

Nitric oxide (NO) is a key substance in atmospheric chemistry, influencing the formation and destruction of tropospheric ozone and the atmosphere's oxidizing capacity. It also affects the physiological functions of organisms. NO is produced, consumed, and emitted by soils, the effects of soil NO concentrations on microbial C and N cycling and associated trace gas fluxes remain largely unclear. This study describes a new automated 12-chamber soil mesocosm system that dynamically changes incoming airflow composition. It was used to investigate how varying NO concentrations affect soil microbial C and N cycling and associated trace gas fluxes under different moisture conditions (30% and 50% WFPS)


Verlagsausgabe §
DOI: 10.5445/IR/1000174589
Veröffentlicht am 27.09.2024
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 11.2024
Sprache Englisch
Identifikator ISSN: 0178-2762, 1432-0789
KITopen-ID: 1000174589
HGF-Programm 12.11.23 (POF IV, LK 01) Adaptation of managed landscapes to climate change
Erschienen in Biology and Fertility of Soils
Verlag Springer
Band 60
Heft 8
Seiten 1143–1157
Vorab online veröffentlicht am 18.09.2024
Nachgewiesen in Web of Science
Dimensions
Scopus
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