===  Permanent forest meteorological experimental site Tuttlingen  ===
{{http://www.mif.uni-freiburg.de/proj/sfb/TUT_Turm.jpg?250}}
{{http://www.mif.uni-freiburg.de/proj/sfb/TUT_Boden.jpg?350}}
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{{http://www.mif.uni-freiburg.de/proj/sfb/Tuttlingen.pdf|further information (in German only)}}
==Coordinates==
47° 59’ N, 8° 45’ E, altitude: 740-780 m a.s.l.

==Operator==
Meteorological Institute, University of Freiburg\\
Prof. Dr. H. Mayer\\
Werderring 10, D-79085 Freiburg
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==Concept:==
coming soon\\
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==Vegetation:==
adult trees: //Fagus sylvatica// L. (90-95%)\\
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mean canopy height: 27.7 m\\
stand age: 70 y\\
stand density: 526 trees/ha\\
plant area index: 5.3 m<sup>2</sup>/m<sup>2</sup>\\
mean breast height diameter: 27.6 cm\\
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===Instrumentation:===
^component  ^  type of instrument  ^
^photosynthetically active radiation above the canopy  |  Li-190SZ (quantum sensor)/ Li-COR Biosciences GmbH, Lincoln, NE, USA  |
^photosynthetically active radiation below the canopy  |  Li-190SZ (quantum sensor, 2 levels) / Li-COR Biosciences GmbH, Lincoln, NE, USA  |
^short-wave radiative fluxes  |  CM21 (heated pyranometer) / Kipp&Zonen Inc., Delft, Netherlands  |
^long-wave radiative fluxes  |  CG1 (heated pyrgeometer) / Kipp&Zonen Inc. , Delft, Netherlands  |
^soil heat flux  |  HFP01 (heat flux plate) / Hukseflux, Delft, Netherlands  |
^soil temperature  |  PT100 (6 levels) / Heraeus Sensor Technology, Kleinostheim, Germany  |
^soil moisture  |  CS615 (TDR) / Campbell Scientific Inc., Logan, Utah, USA  |
^air temperature, relative humidity	|  HMP45D (humicap) / Vaisala GmbH, Helsinki, Finland  |
^horizontal wind velocity  |  WAA151 (cup anemometer, 8 levels) / Vaisala GmbH, Helsinki, Finland  |
^wind direction  |  W200P (wind vane) / Vector Instruments  |
^precipitation  |  tipping bucket gauge ARG100 / Campbell Scientific Inc., Logan, Utah, USA  |
^precipitation (throughfall)  |  rain gutter with tipping bucket gauge ARG100 / Campbell Scientific Inc., Logan, Utah, USA  |
^data acquisition  |  CR23x (datalogger) / Campbell Scientific Inc., Logan, Utah, USA  |

==GOP-data==
Data provided for GOP are measured at the NE oriented slope at the untreated site.
^variable  ^measurement height  ^
|above canopy air temperature  |  1.3 h<sub>c</sub>=36 m  |
|below canopy air temperature  |  0.05 h<sub>c</sub>=1.5 m  |
|above canopy water pressure  |  1.3 h<sub>c</sub>=23 m  |
|below canopy water pressure  |  0.05 h<sub>c</sub>=1.5 m  |
|wind direction  |  1.5 h<sub>c</sub>=42 m  |
|precipitation  |  1.5 h<sub>c</sub>=42 m  |
|above canopy net radiation (horizontally)  |  1.3 h<sub>c</sub>=36 m  |
|above canopy incoming shortwave radiation (sensor plane horizontally)  |  1.3 h<sub>c</sub>=36 m  |
|above canopy reflected shortwave radiation (sensor plane horizontally)  |  1.3 h<sub>c</sub>=36 m  |
|above canopy incoming longwave radiation (sensor plane horizontally)  |  1.3 h<sub>c</sub>=36 m  |
|above canopy emitted longwave radiation (sensor plane horizontally)  |  1.3 h<sub>c</sub>=36 m  |
|soil temperature  |  -0.01 m; -0.03 m; -0.05 m; -0.10 m; -0.20 m; -0.40 m  |
|volumetric soil moisture content  |  average from 0.0 to -0.3 m  |