Episode 19: Radiative Forcing
Episode description
In this episode, I have talked about Radiative Forcing in climate change and its limitations.
Topics covered:
- Radiative Forcing
- Concept
- Effective Radiative Forcing
- Limitations
- Grouping Forcing Compounds by Common Properties
- Calculation of RF
- Continentality
Additional Info:
The tropopause is the boundary in the Earth's atmosphere between the troposphere and the stratosphere. It is a thermodynamic gradient stratification layer, marking the end of the troposphere. It lies, on average, at 17 kilometres (11 mi) above equatorial regions, and about 9 kilometres (5.6 mi) over the polar regions.
Emission metrics such as Global Warming Potential (GWP) and Global Temperature change Potential (GTP) can be used to quantify and communicate the relative and absolute contribu-tions to climate change of emissions of different substances, and of emissions from regions/countries or sources/sectors. The metric that has been used in policies is the GWP, which integrates the RF of a substance over a chosen time horizon, relative to that of CO2. The GTP is the ratio of change in global mean surface temperature at a chosen point in time from the substance of interest relative to that from CO2.
Forcing and temperature response can also be attributed to sec-tors. From this perspective and with the GTP metric, a single year’s worth of current global emissions from the energy and industrial sec-tors have the largest contributions to global mean warming over the next approximately 50 to 100 years.
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