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This paper builds on previous research on turbulent kinetic energy concepts in the coral reef domain, and develops it as a management tool. HF ocean radar data from the southern Great Barrier Reef are used to identify times and locations when a critical value of the Simpson-Hunter parameter is exceeded and the water column becomes vertically mixed. When this happens, any stratification is removed...
Coral bleaching is an ecological response to stressful physical conditions observed to occur when strong insolation coupled with stratification of the water column leads to anomalous warming of the surface water. Stratfication requires calm winds, the absence of waves, and an absence of currents: conditions which result in limited mixing of the water column and thus confine heat due to insolation...
This paper is a detailed explanation of the design and development of a small, inexpensive oceanographic profiler. The profiler is easy to deploy and recover, is expendable, and can be deployed in large quantities over a broad area to take synoptic measurements. The profiler uses a ballast tank, altering buoyancy to descend and ascend. To detect the pressure at the maximum depth of 50 meters, a simple...
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