Amazon Deforestation as an Example of Positive Feedback
In the Amazon rainforest, deforestation exemplifies a positive feedback loop. The initial clearing of forests for agriculture reduces local rainfall, which creates drier conditions and increases the forest's susceptibility to fires. These fires cause further deforestation, perpetuating a self-reinforcing 'vicious cycle' of forest loss and conversion to dry grassland. Beyond a certain tipping point, this process can become self-sustaining, continuing even if the initial agricultural expansion stops.
0
1
Tags
Economics
Economy
Introduction to Macroeconomics Course
Ch.8 Economic dynamics: Financial and environmental crises - The Economy 2.0 Macroeconomics @ CORE Econ
The Economy 2.0 Macroeconomics @ CORE Econ
CORE Econ
Social Science
Empirical Science
Science
Related
Amazon Deforestation as an Example of Positive Feedback
Climate Change as an Example of Large-Scale Positive Feedback and Instability
2023 Canadian Wildfires as a Climate Feedback Loop Example
Air Conditioning Use as a Climate Change Feedback Loop
Vicious Circles in Freshwater System Deterioration
Climate Change Amplification through Positive Feedback
Figure 8.27: Environmental Dynamics, Multiple Equilibria, and the S-Shaped EDC
Melting Permafrost as a Climate Feedback Loop
Warming Tundra Soil as a Climate Feedback Loop
Analyzing Environmental Feedback Loops
A region's bright, reflective sea ice begins to melt due to a slight increase in average temperature. The newly exposed, darker ocean water absorbs more sunlight than the ice did, which further warms the water and causes even more ice to melt. Which of the following statements best analyzes this environmental dynamic?
Analyzing a Self-Reinforcing Environmental Process
A grassland ecosystem is experiencing a process of accelerating degradation. Arrange the following events into the correct logical sequence that illustrates a self-reinforcing cycle of environmental deterioration.
Evaluating Policy in the Face of Environmental Tipping Points
Analyze each environmental scenario and match it to the dynamic principle it best illustrates.
In an environmental system characterized by strong positive feedback loops, a small, temporary intervention that counters an initial disturbance is always sufficient to return the system to its original stable equilibrium.
A large, pristine lake ecosystem is considered stable. A new factory begins discharging a small, steady amount of a nutrient-rich pollutant into the lake. For several years, no significant changes are observed. Suddenly, the nutrient levels cross a critical threshold, triggering a massive algal bloom that depletes water oxygen, killing off most fish. The decomposition of the dead fish releases even more nutrients, fueling a larger algal bloom the next year. Which of the following statements provides the most accurate evaluation of this situation?
Triggering Ecosystem Transformation
In the context of potential environmental collapse, a process where an initial change triggers a series of effects that amplify that change, pushing the system further away from a stable state, is known as a ____ ____ ____.
Amazon Deforestation as an Example of Positive Feedback
2023 Canadian Wildfires as a Climate Feedback Loop Example
Vicious Circles in Freshwater System Deterioration
Air Conditioning Use as a Climate Change Feedback Loop
Ice-Albedo Positive Feedback
Figure 8.26: Climate Change Feedback Mechanisms
Reinforcement Among Climate Feedback Loops
As global temperatures rise, large areas of permanently frozen ground in the arctic begin to thaw. This thawing releases significant amounts of methane, a potent greenhouse gas, which was previously trapped in the frozen soil. Considering the effect of greenhouse gases on atmospheric temperature, which statement best analyzes the long-term consequence of this process?
Urban Heat and Energy Consumption Cycle
A key process that accelerates climate change involves the relationship between sea ice and solar radiation. Arrange the following events into the correct chronological sequence to describe this self-reinforcing cycle.
Evaluating Climate Policies in the Context of Amplifying Feedback