Seasonal dynamics of CO2 profiles across a soil chronosequence, Santa Cruz, California
Applied Geochemistry
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Abstract
Concentrations of CO2 in soil atmosphere and CO2 efflux were measured across a marine terrace soil chronosequence near Santa Cruz, California. Soil development, specifically the formation of an argillic horizon, has created a two-tier soil gas profile in the older terrace soils. The soil above the argillic horizon has seasonal variations in soil CO2 associated with plant respiration. The older soils with dense argillic horizons maintain a year round ∼1%CO2 below the argillic horizon. The CO2efflux during the growing season is higher on the older terraces.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Seasonal dynamics of CO2 profiles across a soil chronosequence, Santa Cruz, California |
| Series title | Applied Geochemistry |
| DOI | 10.1016/j.apgeochem.2011.03.048 |
| Volume | 26 |
| Year Published | 2011 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center, Geosciences and Environmental Change Science Center, Toxic Substances Hydrology Program |
| Description | 3 p. |
| First page | S132 |
| Last page | S134 |
| Country | United States |
| State | California |
| City | Santa Cruz |
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