Tectonically active mountains play an important role in the natural CO2 regulation of the atmosphere. Competing processes take place here: At Earth's surface, erosion drives weathering processes that absorb or release CO2, depending on the type of rock.
balance for a relatively young mountain range was measured here. The photo shows a nature reserve located in the Lazio region. Groundwater flows through the Mesozoic limestone massifs and emerges at springs like this one. These springs feed into adjacent rivers that wind their way through the complex, tectonically active landscape. Credit: Photo: Erica Erlanger, GFZregulation of the atmosphere.
The researchers took a total of 104 water samples in the western Tevere and eastern Aterno-Pescara River systems, 49 of them in summer 2020 and 55 in winter 2021, covering the warmest and driest seasons and the wettest and coldest seasons to estimate the minimum and maximum COWater samples are suitable because rivers and springs transport carbon, which originates both from depths and from weathering reactions near the surface.
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