P. V. Gaisky
Marine Hydrophysical Institute of RAS, Sevastopol, Russia
* e-mail: gaysky@inbox.ru
Abstract
The paper describes developed and software-implemented algorithms for primary regulation and processing of measurement data of hydrological meters built on the basis of distributed temperature sensors – thermoprofilemeters. Thermoprofilemeters are spatial temperature sensors made of heat-sensitive continuous conductors (in particular, copper), which are laid in a busbar of a given length in a protective shell-tube. The spatial resolution of the meter is determined by the placement and length of each sensor section. Algorithmic-software data processing of conductor resistances makes it possible to recover temperature values averaged on sections of continuous profile using matrix of calibration coefficients. Interpolation and approximation of the resulting discrete series provides a calculation of the instantaneous spline profile of temperature, which is then used to sequentially plot a dynamic picture of the variability of the temperature field in the form of a colour gradient and isolines. In the online telemetry measurement mode, this method allows to clearly visualize the picture of spatial temperature distribution both during static installation of the sensor and during depth sensing, as well as algorithmically detect and control other hydrological parameters and processes in the aqueous medium: interfaces, surface and internal waves, upwelling, surge phenomena, vertical rates of transfer of water masses, etc. The spatial resolution and length of thermoprofilemeters can vary from several centimeters to tens of meters depending on the problems being solved. The use of sensors in hydrological measuring systems can be carried out in static and probing modes. At the same time, the application software for each type of sensor and measurement method allows using specialized data processing and display functions.
Keywords
program algorithm, distributed temperature sensor, thermoprofilemeter, isotherm, vertical profile, heat storage, thermocline, internal waves, temperature field, heat exchange, termistor chain
Acknowledgments
The research was performed under state assignment on topic no. 0555-2021-0004 of FSBSI FRC MHI RAS.
For citation
Gaisky, P.V., 2022. Algorithmic and Software Data Registration of Hydrological Meters Based on the Distributed Thermoprofilemeters. Ecological Safety of Coastal and Shelf Zones of Sea, (3), pp. 128–141. doi:10.22449/2413-5577-2022-3-128-141
DOI
10.22449/2413-5577-2022-3-128-141
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