Continuous monitoring of soil CO2 flux at Aso volcano, Japan: the influence of environmental parameters on diffuse degassing

Earth, Planets and Space

Table 3 Summary of the multiple linear regression analysis for time series in 2017

Independent variable	Coefficient B	Standard error of B	t test	Significance^a of t test	Increase in adjusted R²
Intercept	9.724	0.408	23.85	< 0.001
Wind speed	0.0799	0.0015	52.25	< 0.001	0.334
Barometric pressure	− 0.0107	0.0005	− 23.37	< 0.001	0.065
Air temperature	− 0.0294	0.0008	− 34.74	< 0.001	0.012
Soil temperature	0.0304	0.0009	32.88	< 0.001	0.073
Soil humidity	− 0.0133	0.0008	− 16.58	< 0.001	0.025
Adjusted R²					0.509

^aStatistical significance of the correlation between each independent variable and dependent variable