Author(s)

W. Loiskandl & A. Klik

Abstract

The availability of electronic components made the development of a "tailor made" data aquisition system for long term observations with a reasonable effort possible. The information chain, beginning with the ineraction of sensors and data logger till the final results are available at the desk is pointed out. Two field sites are described to illustrate the use of the observation system. 1. Introduction In the past field measurements of soil moisture due to high labor costs usually were taken once a week. For a better understanding of the dynamic of processes or to confirm that weekly readings are sufficient a greater measuring frequency was desired. To meet that requirement a complex data logging system as well as the process and communication software was developed at the institute of hydraulics and rural water man

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