Other EC sites:

KuivajärviSiikaneva ISMEAR II subcanopySMEAR I (Värriö)SMEAR II 27.0m SMEAR II towerUEF clearcutVanajavesi


SMEAR II EC measurements at 23.3 m

This website contains plots of data from SMEAR II EC system at 23.3 m height.
The figures are intended for detecting instrument's failure and they are updated daily. Data are not quality checked.
You can find the site diary here (the link works only within the University network).

Choose figure category:
FluxesMeansLag timesSpikes  Flow distortion  Spectra/CospectraSpectral attenuationSite comparisonMeteorological/auxiliary data


Flow distortion.

Figure 1: The second coordinate rotation angle (upper plot) and std(w)/u* (lower plot) vs wind direction. According to Rannik (1998) std(w)/u* should be approx. 1.3 in a neutral stratification.