Biogeosciences
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Articles | Volume 21, issue 7
Articles | Volume 21, issue 7
https://doi.org/10.5194/bg-21-1757-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-21-1757-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 7
Research article
 | 
09 Apr 2024
Research article |  | 09 Apr 2024

The dynamics of marsh-channel slump blocks: an observational study using repeated drone imagery

Zhicheng Yang, Clark Alexander, and Merryl Alber

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Latest update: 08 Mar 2025
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Short summary
We used repeat UAV imagery to study the spatial and temporal dynamics of slump blocks in a Georgia salt marsh. Although slump blocks are common in marshes, tracking them with the UAV provided novel insights. Blocks are highly dynamic, with new blocks appearing in each image while some are lost. Most blocks were lost by submergence, but we report for the first time their reconnection to the marsh platform. We also found that slump blocks can be an important contributor to creek widening.
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