Journal
GROUNDWATER
Volume 61, Issue 2, Pages 215-223Publisher
WILEY
DOI: 10.1111/gwat.13172
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Active distributed temperature sensing (ADTS) experiments are useful for estimating thermal conductivities of the subsurface and groundwater flows. However, data interpretation can be challenging due to the large amount of data and lack of automated analysis tools. To address this, we developed the ADTS Toolbox, which contains MATLAB codes for automated interpretation and calculation of ADTS measurements.
Active distributed temperature sensing (ADTS) experiments are very useful to provide in-situ and distributed estimates of thermal conductivities of the subsurface and of groundwater flows. However, the data interpretation can be seen as difficult considering the large amount of data collected along a heated fiber-optic cable and the lack of associated tools for their automated analysis. In this context, we developed an automated routine program for the interpretation of ADTS measurements: the ADTS Toolbox. It contains several codes written in MATLAB that calculate, for each measurement point located along a heated section, both the thermal conductivity of the surrounding material and the groundwater flux. In addition, it provides uncertainties on the estimated thermal conductivities and fluxes according to the temperature resolution (noise) or to errors on temperature measurements. By offering the possibility of automatically interpreting ADTS measurements, the ADTS Toolbox facilitates the use and interpretation of ADTS experiments for characterizing at high resolution the groundwater flows distribution and for imaging the thermal conductivities variability.
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