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Son2D_s


Son2D summary data

For the first few years (2001-2003), this sonic (R2) anemometer was deployed at the met mast, along with the Sonic R3 (Son3D_s).

Most of the data parameters include valus for the mean and median value as well as the standard deviation of the variable. The table below shows the field name suffix used to differentiate amoung the different values:

Field name Description
_mean The mean value of the variable over the averaging period
_m50 The median value of the variable over the averaging period
_std The standard deviation of the variable over the averaging period
_length The number of valid data points collected over the averaging period

Here is the list of field names:

Field name Description Units
Year The year the data were collected n/a
Yday Decimal year day UTC, January 1 at 00:00 is 1.0
MO The month the data was collected UTC
DA The day the data were collected UTC
HH The hour the data were collected UTC
MM The minute the data were collected UTC
SS The second the data were collected UTC
lrec_son2d Total number of records collected during averaging period n/a
wspd_son2d
wdir_son2d
tson_son2d
cspeed_son2d