Application example: Monitoring of stem water flow
The University of Göttingen intensive trial site in Ebergötzen
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Monitoring of the stem water flow from tree trunks of different diameters with aliquot sampling
Mini logger for measuring the stem flow rate |
enviLog data logger GPRS |
Georg-August-Universität Göttingen
Department of Physical Geography
Geographical Institute
Goldschmidtstraße 5
Contact:
Dr. Jürgen Grotheer | jgrothe@gwdg.de |
Dr. Harold Hughes | hhughes@uni-goettingen.de |
Project leader:
Prof. Daniela Sauer |
Experimental set up
- Collection from the main stem of 12 beech trees (? = approx. 14 to 61 cm)
- Measurement of the flow rate using 12 tipping bucket rain gauges and 12 mini-loggers
- Data transmission from 12 mini loggers via radio to a central enviLog datalogger (as a main logger for a total of 42 mini loggers - 30 mini loggers for inventory rainfall plus 12 mini loggers for the measurement of base runoff volumes)
- Automated remote data transfer from the main logger enviLog via GPRS to a database server and from there to the user PC
- Aliquot discharge in PE sample bottles for laboratory analysis, recycling the amount of residual water to the tree root
- Installation and commissioning by ecoTech
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Precipitation network map
Precipitation network map
- ecoTech Monitoring enviWatch