A generic hierarchical model of organic matter degradation and preservation in aquatic systems

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dc.contributor.authorShang, Haitao
dc.date.accessioned2023-01-25T01:42:47Z
dc.date.available2023-01-25T01:42:47Z
dc.date.issued2023-01
dc.description10 pagesen_US
dc.description.abstractOrganic matter degradation and preservation are crucial components of Earth’s carbon cycle. Empirical and phenomenological models usually contain parameters determined by site-specific data and focus on different aspects of the decay and accretion characteristics. To investigate more fundamental mechanisms, this study suggests a hierarchical model that links microscopic physical quantities to macroscopic degradation and preservation patterns. This mechanistic model predicts several commonly observed phenomena, including the lognormal distribution of degradation rate constants, the recalcitrance-dependent sensitivity to temperature, the dependence of a heterogeneous organic-matter system’s persistence on its complexity, logarithmic-time decay, and power-law degradation behavior. The theoretical predictions of this model are consistent with the observational data from marine and lake environments. This hierarchical model may provide a step towards a fundamental theory of organic matter degradation and preservation in aquatic and other ecosystems.en_US
dc.identifier.citationShang, H. A generic hierarchical model of organic matter degradation and preservation in aquatic systems. Commun Earth Environ 4, 16 (2023). https://doi.org/10.1038/s43247-022-00667-4en_US
dc.identifier.orcidhttps://orcid.org/0000-0002-5731-4559
dc.identifier.urihttps://hdl.handle.net/1794/27927
dc.identifier.urihttps://doi.org/10.1038/s43247-022-00667-4
dc.language.isoenen_US
dc.publisherNature Communicationsen_US
dc.rightsCreative Commons BY-NC-ND 4.0-USen_US
dc.subjectCarbon cycleen_US
dc.subjectLimnologyen_US
dc.subjectGeochemistryen_US
dc.subjectMarine chemistryen_US
dc.titleA generic hierarchical model of organic matter degradation and preservation in aquatic systemsen_US
dc.typeArticleen_US

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