Modified Soil Diffusion Chamber for Gas Profile Analysis
Yu, K. | DeLaune, R.D.
Gas concentration gradients in soil profiles can provide important information on the timing and location of gas production and consumption. High spatial variation complicates both determination of soil gas profile concentration or gradient and calculation of the gaseous flux from soil. A modified diffusion chamber is introduced in this paper with advantages of gas sampling at multiple depths at a single location, easy installation and less maintenance. Field measurement using both original chamber (requiring multiple installations at various depths) and the modified chamber techniques showed comparable soil CO₂ and CH₄ profile gradients.Show more [+] Less [-]