![]() ![]() We used the strong observed relationship between in situ measurements of nitrate and temperature to estimate nitrate concentrations from high temporally and spatially resolved temperature measurements at the lagoon entrance, and then estimated the horizontal nitrate fluxes into the lagoon using the velocity measurements. This offshore water originated from approximately 75 m depth. Tidally driven internal bores advected cooler and deeper offshore waters (up to 4.5☌, mean 2.4☌) into the lagoon, which were also richer in nutrients and chlorophyll a than lagoon waters. ![]() The study covered a spring–neap tidal cycle, during which moored instruments measured temperature and velocities at a lagoon entrance and ship-based vertical profilers measured water quality parameters. An intensive 2-week field study was conducted to assess how physical oceanographic processes influence reef communities in South Scott's deep (~ 50 m) and expansive (~ 300 km 2) semi-enclosed lagoon.
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February 2023
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