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Part II/ACS projects (2024)

  • 3D wind velocity field and CO2 sensing: Flux towers are used to measure the exchange of carbon dioxide between the atmosphere and the biosphere. These are typically very expensive. At their heart, they have a CO2 sensor and a 3D wind velocity field sensor. These days, both can be built using off-the-shelf components, such as this CO2 sensor and this airspeed sensor, with three airspeed sensors place on orthogonal axes. This means we can put together a quick-and-dirty flux tower for well under £200 (as opposed to the £80K they charge now). We can also get access to a flux tower near Ely to compare the measurements from a top-of-the-line system to something less expensive. The goal of this project would be to build, deploy, and calibrate this sensing platform.