EXTASE - An Experimental Thermal Probe for Applications in Snow Research and Earth Sciences

Details EXTASE - An Experimental Thermal Probe for Applications in Snow Research and Earth Sciences EXTASE - An Experimental Thermal Probe for Applications in Snow Research and Earth Sciences

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufm.p71a0451s&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #P71A-0451

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Applications

5494 Instruments And Techniques

Scientific paper

EXTASE is a spin-off project from the Rosetta Lander (MUPUS) thermal probe, funded by DLR. The application of this probe is to be tested in different fields, e.g. in snow research, agriculture, permafrost etc. The system consists of the probe itself with a portable field electronic and a computer for control of the system and storage of the data. The probe penetrates the surface ca. 32 cm deep and provides a temperature profile (16 sensors) and thermal conductivity profile of the penetrated layer. The main advantages of the probe in comparison to common temperature profile measurement methods are: - no need to excavate material - minimized influence of the probe on the temperature field - minimized modification of the microstructure of the studied medium. Presently we are concentrating on agriculture (soil humidity) and snow research. Further applications could be e.g.: monitoring waste deposits and the heat released by decomposition, volcanology and ground truth for remote sensing. We present the general concept of the probe and also data obtained during different field measurement campaigns with prototypes of the probe.

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