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Investigating microplastic dynamics in soils: Orientation for sampling strategies and sample pre‐procession

Weber, Collin Joel ; Weihrauch, Christoph ; Opp, Christian ; Chifflard, Peter (2022)
Investigating microplastic dynamics in soils: Orientation for sampling strategies and sample pre‐procession.
In: Land Degradation & Development, 2020, 32 (1)
doi: 10.26083/tuprints-00022522
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Investigating microplastic dynamics in soils: Orientation for sampling strategies and sample pre‐procession
Language: English
Date: 2022
Place of Publication: Darmstadt
Year of primary publication: 2020
Publisher: Wiley
Journal or Publication Title: Land Degradation & Development
Volume of the journal: 32
Issue Number: 1
DOI: 10.26083/tuprints-00022522
Corresponding Links:
Origin: Secondary publication service

Studies on microplastics in soils is currently being established as a new research field. So far, mainly 'explorative studies' have been carried out to detect microplastics in different soil environments. To generate a deeper understanding of microplastics dynamics, 'systematic studies' are required. Such research must built on a targeted sampling strategy and considerate fieldwork and sample handling. From literature enquiry, a five-stage methodological workflow was deduced for studies on microplastics in soils. In the present review, the spatial representation of soils/soilscapes with microplasticsin soils research is conceptually and practically assessed. We discuss judgmental, randomized, and metric soil sampling strategies. Then, we explain sample pre-processing and give a brief overview of methods for microplastics identification and quantification. We conclude that the establishment of the novel field of research 'microplasticdynamics in soils' requires more intensive consideration of soil sampling strategies. Assoil is a complex medium and the soilscape is spatially heterogeneous, we highlight systematic sampling strategies as the best possible options for sophisticated research. However, no overall optimum methodology can be defined because the specific strategy must be in line with the particular research question. For all studies on microplastics in soils, practical improvement is needed to prevent contamination of soilsamples with plastics during sampling and sample pre-processing.

Uncontrolled Keywords: field study, geospatial approach, pre-processing, soil sampling, spatial resolution
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-225221
Classification DDC: 500 Science and mathematics > 550 Earth sciences and geology
Divisions: 11 Department of Materials and Earth Sciences > Earth Science > Department of Soil Mineralogy and Soil Chemistry
Date Deposited: 10 Nov 2022 13:26
Last Modified: 26 Apr 2023 08:21
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/22522
PPN: 507244001
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