What question did this study set out to answer?

Evaluate coastal morphodynamics and determine whether shoreline-position metrics misidentify seasonal sediment redistribution as chronic coastal erosion on microtidal sandy beaches.

August 19, 2026LandOpen Access

Sedimentary Cells vs. DSAS: Quantifying Erosion Along the Northern Mexican Caribbean Coast

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Authors

MPMonica Pedraza-Buitrago VCValeria Chávez CMCarmelo Maximiliano-Cordova

Discussion

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Overview

Remote sensing analysis uncovers overestimation of chronic erosion by traditional shoreline metrics along microtidal coasts, indicating sediment redistribution dominates over permanent loss.

Key Points

Evaluate coastal morphodynamics and determine whether shoreline-position metrics misidentify seasonal sediment redistribution as chronic coastal erosion on microtidal sandy beaches.
Analyzed ~280 km of microtidal coastline across 160 sedimentary cells from 2009 to 2024 using high-resolution RapidEye and PlanetScope satellite imagery.
Quantified multi-temporal beach-area changes using the Mann–Kendall test and compared trends against Digital Shoreline Analysis System (DSAS) End Point Rate (EPR) and Linear Regression Rate (LRR).
Beach-area trend analysis classified 64.4% of sedimentary cells as stable, 15.0% as redistributive, and 12.5% as experiencing persistent beach-area loss.
DSAS Total EPR indicated shoreline retreat (EPR < 0) in 78.1% of cells despite only 12.5% displaying persistent area loss, with DSAS rates showing moderate-to-strong correlation with area trends (r = 0.59–0.64).

Cite This Study

Pedraza-Buitrago et al. (2026) studied this question.

synapsesocial.com/papers/6a85642503308d306e2d7ba8 https://doi.org/10.3390/land15081488

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August 19, 2026LandOpen Access

Sedimentary Cells vs. DSAS: Quantifying Erosion Along the Northern Mexican Caribbean Coast

View Full Paper

Ask AI

Bookmark

Authors

MPMonica Pedraza-Buitrago VCValeria Chávez CMCarmelo Maximiliano-Cordova

Discussion

Member takes

Overview

Remote sensing analysis uncovers overestimation of chronic erosion by traditional shoreline metrics along microtidal coasts, indicating sediment redistribution dominates over permanent loss.

Key Points

Evaluate coastal morphodynamics and determine whether shoreline-position metrics misidentify seasonal sediment redistribution as chronic coastal erosion on microtidal sandy beaches.
Analyzed ~280 km of microtidal coastline across 160 sedimentary cells from 2009 to 2024 using high-resolution RapidEye and PlanetScope satellite imagery.
Quantified multi-temporal beach-area changes using the Mann–Kendall test and compared trends against Digital Shoreline Analysis System (DSAS) End Point Rate (EPR) and Linear Regression Rate (LRR).
Beach-area trend analysis classified 64.4% of sedimentary cells as stable, 15.0% as redistributive, and 12.5% as experiencing persistent beach-area loss.
DSAS Total EPR indicated shoreline retreat (EPR < 0) in 78.1% of cells despite only 12.5% displaying persistent area loss, with DSAS rates showing moderate-to-strong correlation with area trends (r = 0.59–0.64).

Cite This Study

Pedraza-Buitrago et al. (2026) studied this question.

synapsesocial.com/papers/6a85642503308d306e2d7ba8 https://doi.org/10.3390/land15081488

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