The Influence of Temperature and Humidity on Greenhouse Gas Emission in Experiments on Imitation of the Full Vegetation Cycle of Tundra Ecosystems
Abstract
Laboratory experiments were conducted in a hermetically sealed growth chamber with two soil samples obtained from the arctic tundra zone with different levels of moisture. Samples were maintained at a growing season typical of the region from which they were taken, and for the sample with a high level of moisture it was made twice: with the temperature in accord with natural conditions and one increased by 2°C. It has been shown that heating of the overmoistened tundra soil by 2°C can increased the average carbon dioxide emissions by almost two times (from 75 to 100-150 mg m-2 h-1). Upon the application of heat, no significant increase in methane emission was observed.
- Publication:
-
Doklady Earth Sciences
- Pub Date:
- December 2018
- DOI:
- 10.1134/S1028334X18120115
- Bibcode:
- 2018DokES.483.1539B