Carbon dioxide fluxes from soils in arid grasslands

What is it about?

The biological activity of water-limited ecosystems is strongly linked to the timing and magnitude of rainfall events. Some rainfall events can that can trigger disproportionately high biological activity known as hot-moments. We measured hot moments of CO2 fluxes from soils using automated instrumentation.

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Why is it important?

Our findings show that rain events can trigger disproportionally high losses of CO2 from soils in arid grasslands. These emissions show unprecedented rates that have non linear patterns. Machine learning algorithms are a promising approach to model the response of CO2 emissions from soils following rain events.