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Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

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Note: Programmable data acquisition system for research measurements from meteorological radiosondes.

R G Harrison¹, K A Nicoll, A G Lomas

¹Department of Meteorology, University of Reading, Reading RG6 6BB, United Kingdom.

The Review of Scientific Instruments

|April 3, 2012

Summary

This study introduces a programmable data acquisition system for meteorological radiosondes, enabling low-cost atmospheric research. The system utilizes existing radiosondes without extra equipment, offering new possibilities for environmental monitoring.

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Area of Science:

Atmospheric Science
Meteorology
Environmental Monitoring

Background:

Meteorological radiosondes are routinely launched worldwide for weather forecasting.
Existing radiosondes offer limited atmospheric science measurement capabilities.
Novel applications require adaptable instrumentation for radiosondes.

Purpose of the Study:

To develop a programmable data acquisition system for meteorological radiosondes.
To enable new low-cost atmospheric research measurements using existing radiosondes.
To assess the system's performance and impact on standard meteorological data.

Main Methods:

Designed a system with four 16-bit analog inputs and configurable digital inputs.
Integrated multiple instrument power supplies from the radiosonde battery.
Tested the system during a balloon flight across a wide temperature range (-66 °C to +17 °C).

Main Results:

The system supports diverse sensor inputs and provides stable power.
Observed minimal voltage drift (20 mV worst-case) in 5V circuitry across temperature extremes.
Demonstrated negligible impact on standard meteorological data from added instrumentation.

Conclusions:

The developed system effectively repurposes meteorological radiosondes for atmospheric research.
It offers a cost-effective solution for novel atmospheric measurements without requiring new infrastructure.
This innovation expands the utility of global radiosonde networks for scientific inquiry.