Characteristics
|
|
Calculated and special sensors are parameters calculated on the base of
physically existing sensors. They are registered and managed in the weather
station like physical sensors.
|
Calculated
sensors
|
|
Sensor
|
Order number
|
Unit
|
Necessary sensors
|
Air density /
specific volume |
20901
|
g/m³
m³/kg
|
air pressure, air temperature, relative humidity
|
Wind power
|
20902
|
kW
|
air pressure, air temperature, relative humidity, wind velocity, rotor
radius (related topics => Wind
prognosis module)
|
Wind volume stream
|
20903
|
m³/s
|
wind velocity, diameter of wind wheel rotor
|
Satiation vapor pressure over water
|
20904
|
hPa
|
air temperature, relative humidity
|
Satiation vapor pressure over ice
|
20905
|
hPa
|
air temperature, relative humidity
|
Sunshine duration according to Slob and Monna 1991 |
20909
|
min
|
global radiation,
coordinates of location, date, time |
Sun position (azimuth, altitude)
|
20914
|
°
|
coordinates of location, date, time
|
Wind chill
|
20910
|
°C
|
air temperature, wind velocity
|
Wet temperature, frost temperature |
20911
|
°C
|
air temperature, relative humidity
|
Dew point temperature
|
20912
|
°C
|
air temperature, relative humidity
|
Absolute humidity
|
20915
|
g/m³ |
air temperature, relative humidity |
|
Special sensors |
|
Sensor
|
Order number
|
Unit
|
Necessary sensors |
Evaporation module according to Penman-Monteith
|
20906
|
mm
|
air temperature, relative humidity,
global radiation, wind velocity |
Evaporation module according to Turc-Wendling
|
20907
|
mm
|
air temperature, relative humidity,
global radiation |
Evaporation module according to Haude
|
20908
|
mm
|
air temperature, relative humidity |
Hop index module |
20913
|
-
|
air temperature, relative humidity, precipitation |