Measurements of soil, surface water, and groundwater CO2 concentration variability within Earth’s critical zone: low-cost, long-term, high-temporal resolution monitoring

Joshua M Blackstock1, Matthew D Covington2, Sarah Gayle Whitehead Williams3, Joseph M Myre4 and Josue Rodriguez1, (1)University of Arkansas, Fayetteville, United States, (2)University of Arkansas, Geosciences, Fayetteville, United States, (3)University of Arkansas, Fayetteville, AR, United States, (4)University of St. Thomas, Saint Paul, MN, United States