Form 5a - ICP Forests

When instruments are replaced or added, new codes are applied (e.g. the fifth
instrument in plot 1234 will thus receive code 1234.05).
(61) Location D_LOCATION
(Chapter 7)
The location of the instrument is indicated:
Code
S
F
W
O
Location of the instrument
instrument is located on site, i.e. in (the bufferzone) of the plot. This could be
under the canopy, above the canopy or in the forest soil.
instrument is located in a (nearby) open field in the forest area.
instrument is located at a weather station (in general outside the forest area).
instrument is located somewhere else.
(62) Variable D_VARIABLE
(Chapter 7)
Indication of the variable that is measured with the instrument
Code Variable measured
AT
PR
RH
WS
WD
SR
UR
TF
SF
ST
MP
WC
XX
Air temperature (°C; mean, min and max value)
Precipitation (sum of daily values; total precipitation including
snow, etc.)
Relative humidity (%; mean, min and max value)
Wind speed (m/s; mean and max value)
Wind direction (°; prevailing wind direction, 0 o = North, 270 o =
West)
Solar radiation (W/m²; mean values)
UV b radiation (W/m²; mean values)
Throughfall (mm; sum of daily values)
Stemflow (mm; sum of daily values)
Soil temperature (°C; mean, min and max value)
Matric potential in the soil (khPa; mean, min and max value)
Water content in the soil (m³∙m - ³; mean, min and max value)
Other codes for additional variables my be used, but should be
specified in the DAR-Q; code to be specified with data base
management before submission
(63) Instrument information D_INSTRUMENT
(Chapter 7)
Vertical position
The vertical position (height or depth) of the instruments shall be indicated in meters
with a plus (=height above the ground) or a minus sign (depth below the ground) using
the format of 2 digits and 2 decimals.
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