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The Spatiotemporal Characteristics and Dynamic Changes of Tidal Flats in Florida from 1984 to 2020

Author

Listed:
  • Chao Xu

    (Department of Geosciences, Florida Atlantic University, Boca Raton, FL 33431, USA)

  • Weibo Liu

    (Department of Geosciences, Florida Atlantic University, Boca Raton, FL 33431, USA)

Abstract

Tidal flats are playing a critical role in the coastal environment, which mainly rely on satellite images to map the distribution on large spatiotemporal scales. Much effort has been made to monitor and analyze the spatiotemporal dynamics of tidal flats in order to provide worthwhile references for scientists and lawmakers. Instead of considering the dynamics of tidal flats only, this study implemented a series of comprehensive analyses on the tidal flats along the coast of Florida during the period 1984–2020. First, the analyses on the pixel level examined the spatiotemporal characteristics of tidal flat dynamics and the interactions with lands and permanent water. Second, the contiguous pixels of tidal flats were assembled as objects, and two geometric attributes were calculated and used to track the temporal patterns of tidal flat dynamics on this level. Finally, the Mann–Kendall test and Sen’s slope estimator were applied to identify and quantify the significant trends of tidal flat dynamics on the two levels. The results highlighted the differences in tidal flat distributions and dynamics between the Gulf Coast and Atlantic Coast, which further verified effective GIS representations and analyses that could be applied to other coastal studies.

Suggested Citation

  • Chao Xu & Weibo Liu, 2021. "The Spatiotemporal Characteristics and Dynamic Changes of Tidal Flats in Florida from 1984 to 2020," Geographies, MDPI, vol. 1(3), pages 1-23, November.
    • Handle: RePEc:gam:jgeogr:v:1:y:2021:i:3:p:16-314:d:683444
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    References listed on IDEAS

    as
    1. Keqi Zhang & John Dittmar & Michael Ross & Chris Bergh, 2011. "Assessment of sea level rise impacts on human population and real property in the Florida Keys," Climatic Change, Springer, vol. 107(1), pages 129-146, July.
    2. Nicholas J. Murray & Stuart R. Phinn & Michael DeWitt & Renata Ferrari & Renee Johnston & Mitchell B. Lyons & Nicholas Clinton & David Thau & Richard A. Fuller, 2019. "The global distribution and trajectory of tidal flats," Nature, Nature, vol. 565(7738), pages 222-225, January.
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