Evaluation of suspended particles in a tropical coral reef system using the backscatter intensity signal of an ADCP.

Acoustic methods offer an effective alternative to estimate suspended particle concentrations in marine environments, particularly in hard to access areas such as tropical reef systems influenced by river discharges. The present study evaluates the ability of a moored Acoustic Doppler Current Profiler (ADCP) to estimate chlorophyll-a and sediment concentrations in the water column of a Protected Coral Reef System in the southwestern region of the Gulf of Mexico near the state of Veracruz (Mexico). We analyzed the correlations between the backscatter intensity signal of a 1000-kHz ADCP with particle concentrations at different depths and climatic seasons. Results show a high correlation between the backscatter intensity signal of the ADCP and chlorophyll-a (0.79 < r2 < 0.82; p < 0.05) and, a weaker correlation with sediments (0.58 < r2 < 0.62; p < 0.05), varying according to depth and season. The particle distributions were notably influenced by wind velocity and river discharge, with significant seasonal differences in chlorophyll-a levels between the dry, cold fronts (northern), and rainy seasons, whereas we observed no statistical difference in sediment distribution among seasons.

• Publication year

  2025

• Venue

  Marine Pollution Bulletin

• Publication date

  2025-08-29

• Fields of study

  Medicine, Environmental Science

• Identifiers
  DOI 10.1016/j.marpolbul.2025.118645PMID 40884860
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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