Part II - Continuous Observations

Surface Layer



Turbulence and mean meteorological parameters

In the BLLAST experiment, 9 masts will be equipped with a total of 26 instruments measuring turbulence. Measured properties are: wind, temperature, CO2 concentration and water vapour concentration. The first aim of all the stations is to get a clearer picture of the fluxes in the diverse landscape that is the BLLAST experimental site and integrated in the airborne measurements. Beyond this purpose, most of the surface stations are implemented to also deal with other objectives.

The following table presents the vegetation cover, the site latitude, longitude and height above the sea level and the properties measured at all EC-station.

Site nameLand useLatitude (N)
Longitude (E)
Height ASL [m]Properties measured
Corn (Site 2)Corn43°05'24"
0°21'30"
645±5Temperature, wind, H2O, CO2, pressure, radiation, rain, soil temperature, soil humidity, soil heat flux
Moor (Site 2)Mixed moor-like vegetation43°05'24"
0°21'42"
641±3Temperature, wind, H2O, CO2, pressure, radiation, rain, soil temperature, soil humidity, soil heat flux
Forest (Site 2)Douglas Spruce 620Temperature, wind, H2O, CO2, pressure
60-m tower (Site 1)Mixed43°07'27.15"
0°21'45.33"
602Temperature, wind, H2O, CO2, pressure, radiation
Micro (Site 1)Grass and shrubs43°07'26"
0°21'51.3"
601Temperature, wind, H2O, CO2, pressure, radiation
Skinflow (Site 1)Grass43°07'39.2"
0°21'57.4"
591±5Temperature, wind
Edge (Site 1)Wheat, rhye and peas43°07'56.0"
0°21'37.3"
582Temperature,wind,H2O, CO2, pressure, wet-bulb-temperature, soil temperature, soil humidity, soil heat flux
Grass43°07'52.5"
0°21’33.9"
581Temperature,wind,H2O, CO2, pressure, wet-bulb-temperature, soil temperature, soil humidity, soil heat flux
Mixed43°07'53.4"
0°21'35.2"
581Temperature, wind, H2O, CO2, pressure


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