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September 10, 2025Limnology and OceanographyOpen Access

Seasonal variation in bay‐marsh sediment exchange through a back‐barrier salt marsh tidal creek

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Authors

GSGregg A. SneddenUnited States Geological SurveySSS. Jarrell SmithNorthwest College

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Overview

This investigation reveals how sediment exchange changes seasonally in a salt marsh tidal creek, suggesting significant implications for sediment budgets.

Key Points

  • Residual sediment export exceeded 90% during warmer months and overbank tides, highlighting seasonal influence.
  • Sediment concentrations during ebb tides surpassed those during floods when temperatures exceeded 14°C, demonstrating critical temperature thresholds.
  • Continuous measurements over 13 months captured 753 tidal cycles, providing a comprehensive view of sediment dynamics.
  • Findings emphasize the need to consider seasonality in assessing sediment budgets of salt marshes, indicating potential biases in shorter datasets.

Cite This Study

Snedden et al. (2025) studied this question.

synapsesocial.com/papers/68c192459b7b07f3a0616567https://doi.org/10.1002/lno.70193
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