Determine the temperature of the water: Difference between revisions
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Dissipation rate estimates depend on the viscosity of | Dissipation rate estimates depend on the kinematic viscosity of water, which in turn depends on the water temperature. Hence, there is a need to determine the ambient water temperature for the actual sampling environment. If no temperature data is available, a representative water temperature can be taken from a climatology as a fall-back option, but real temperature measurements are preferable. | ||
There are some caveats involved in the temperature estimate, e.g. sensor drift and precision. | There are some caveats involved in the temperature estimate, e.g. sensor drift and precision. The viscosity is also slightly salinity depend and is about 5% high at a salinity of 35 compared freshwater. | ||
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Return [[Flow chart for shear probes]] | Return [[Flow chart for shear probes]] | ||
Revision as of 19:13, 18 November 2021
Dissipation rate estimates depend on the kinematic viscosity of water, which in turn depends on the water temperature. Hence, there is a need to determine the ambient water temperature for the actual sampling environment. If no temperature data is available, a representative water temperature can be taken from a climatology as a fall-back option, but real temperature measurements are preferable.
There are some caveats involved in the temperature estimate, e.g. sensor drift and precision. The viscosity is also slightly salinity depend and is about 5% high at a salinity of 35 compared freshwater.
Return Flow chart for shear probes
