Abstract
The accumulation chamber methodology allows one to obtain reliable values of the soil CO 2 flux, ϕ soil CO2, in the range 0.2 to over 10 000 g m −2 d −1, as proven by both laboratory tests and field surveys in geothermal and volcanic areas. A strong negative correlation is observed between Δϕ soil CO2/Δ t and ΔP atm/Δ t. Maps of classes of log ϕ soil CO2 for the northern sector of Vulcano Island, Solfatara of Pozzuoli, Nea Kameni Islet and Yanbajain geothermal field evidence that active faults and fractures act as uprising channels of deep, CO 2-rich geothermal or magmatic gases. The total diffuse CO 2 output was evaluated for each surveyed area.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
