Resource

Positive Feedback Loop of Soil Microbes in Permafrost

Description:
PBS video about how decomposition in the permafrost layers is greater than previously thought and how this positive feedback loop provides more carbon dioxide to the environment.

Related Topics:
2. Physical processes on Earth are the result of energy flow through the Earth system.
3. Biological processes depend on energy flow through the Earth system.

Associated Grade Levels:
5-67-89-10Public

Related Sub-Topics

2.1 Earth constantly changes as energy flows through the system.

2.3 Earth’s weather and climate are mostly driven by energy from the Sun.

2.6 Greenhouse gases affect energy flow through the Earth system.

2.7 The effects of changes in Earth’s energy system are often not immediately apparent.

3.4 Energy flows through food webs in one direction, from producers to consumers and decomposers.