Answer:
Radiosonde is used to measure the upper temperature
Step-by-step explanation:
Radiosonde: Instrument which is carried by a balloon through the atmosphere, which is attached with devices to measure one or several meteorological variables that is the pressure, temperature, humidity, etc, and it is provided with a radio transmitter for sending this information from the atmosphere to the observing station.
It is not necessary that radiosonde has to be attached to a balloon it can even fixed to a slow moving pilot less aircraft, or the instrument itself can be designed in such a way to be dropped from an aircraft or rocket.
This instrument can be used to measure only up-to a height of about 35km from the ground level
Observed Parameters:- Observed parameters include the following:-
- Atmospheric pressure
- Temperature
- Humidity
- Horizontal wind
Why there is a need of Radiosonde?
- For the measurements of the vertical structure of temperature and relative humidity for environmental pollution studies.
- Water vapor fields in the troposphere