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Eddy covariance (eddy flux) is the standard micrometeorological technique used to measure and calculate vertical turbulent fluxes within atmospheric boundary layers. Therefore it is applied to evaluate the gas exchange between ecosystems and the atmosphere, by analyzing high-frequency wind and scalar atmospheric data series, gas, energy, and momentum.
The following figure shows an eddy covariance inlet system with an ultrasonic 3danemometer. The data of the anemometer and the 10 gas species measured by MGA10 are recorded synchronously. The recorded data is directly visible on the instrument or accessible remotely through a network.
The 3d-anemometer can be either directly connected to the gas analyzer or both devices are synchronized and the data is collected with an external server.
Multi-compound gas analyzer MGA10-GP
The MGA10-GP multi-compound gas analyzer provides the following advantages:
- 10 gases are analyzed simultaneously with one instrument
- High-accuracy and long-term stability of the measurement
- Fast detection of gas concentration changes (10 Hz)
- Synchronous data acquisition of gas analyzer and anemometer
- Continuous data streaming and remote instrument access
The MGA10 is ideal for eddy covariance (eddy flux) research projects and long term monitoring. It is field tested and helps to reduce the experimental complexity. At the same time the simultaneous multicompound monitoring opens up a wide range of new applications in flux monitoring in ecosystem research, in cities or for measurement of fugitive greenhouse gas emissions at landfill sites or waste water treatment plants.
MIRO Analytical has developed a new system based on QCL spectroscopy that can analyze up to 10 trace gases and precisely measure the smallest changes. The MIRO Field Enclosure protects the instrument with rugged casing and provides a temperature controlled environment for stable measurements.
The recorded data can be read and processed in different formats. Since raw spectral data is also stored, post-processing compensation of the measured data is also possible.
The 3d-anemometer can be either directly connected to the gas analyzer or both devices are synchronized and the data is collected with an external server.
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