Lecture Series for the LI-8100 Automated Soil CO2 Flux System

1. Introduction (1:54)
2. Why do we want to know soil CO2 flux? (4:39)
3. Techniques for measuring soil CO2 flux (11:13)
4. Requirements for chamber-based measurement (13:04)
5. Overview of LI-8100 Automated Soil CO2 Flux System
   1. Hardware (5:08)
   2. Software (7:55)
6. Example of a typical measurement (6:01)
7. What makes the LI-8100 unique?
   1. Chamber pressure equilibrium
      1. Improperly vented chamber (10:24)
      2. How to measure the chamber pressure correctly (8:01)
      3. New vent design and its performance (13:36)
   2. Data analysis, exponential fit (16:45)
   3. Mixing inside the chamber, leak test, and minimize the disturbance to the environment (10:44)
   4. CO2 profile measurement with the LI-8150 (8:54)
   5. Air sampling with LI-8100 for other soil trace gas flux measurement (4:56)
8. Comparison of soil CO2 flux measurements with LI-6400 and LI-8100 (22:52)
9. Reference list (3:11)