Radiocarbon measurements of soil CO2 were collected to evaluate the age of carbon respired from control and warmed plots across the International Tundra Experiment network. Data originates from sites in Alaska, Sweden, and Australia, with treatments replicated five times at dry and moist locations. The dataset was produced by SCIOPS and last updated in January 2008.
Use Cases
- Analyze the relationship between experimental warming treatment and the radiocarbon age of respired soil CO2.
- Compare radiocarbon values across distinct geographic sites like Toolik Lake, Atqasuk, and Latnjajaure.
- Investigate differences in soil CO2 age between dry and moist site designations within the experiment.
- Model the decomposition of old versus young soil carbon pools under simulated climate change conditions.
Strengths
- Data spans multiple international research sites across the Arctic and one site in Australia.
- Includes replicated control and experimental warming treatments from the established ITEX network.
Limitations
- Dataset appears static with no updates since 2008, indicating potential staleness.
- Exact sample size and number of measurements are not specified in the provided information.
- Future site additions mentioned for summer 2008 were not finalized, limiting known geographic scope.
Provenance
- Source
- NASA Earthdata, organization SCIOPS.
- Collection Method
- Soil CO2 collected for radiocarbon analysis from control plots and ITEX Open Top Chamber warming experiments.
- Time Range
- Treatments span 1994-2007; sampling occurred once per peak season.
- Freshness
- null
- Geography
- Sites in Alaska (Toolik Lake, Atqasuk, Barrow), Sweden (Latnjajaure), and Australia (Falls Creek).