Assessment of Energy Budgets Using Observation-Based Data
Author Information
Author(s): Mayer Michael, Kato Seiji, Bosilovich Michael, Bechtold Peter, Mayer Johannes, Schröder Marc, Behrangi Ali, Wild Martin, Kobayashi Shinya, Li Zhujun, L’Ecuyer Tristan
Primary Institution: European Centre for Medium-Range Weather Forecasts
Hypothesis
How can we accurately evaluate atmospheric and surface energy budgets using observational data?
Conclusion
The study found that biases in energy budgets are generally less than 1 W/m² globally and highlighted the need for continued validation of atmospheric energy budgets.
Supporting Evidence
- Results indicate biases < 1 W/m² on the global scale.
- Uncertainties in the DSE budget are larger than in the TE budget.
- Diabatic heating rates inferred from the DSE budget are generally higher than those based on GPCP estimates.
Takeaway
This study looks at how we can measure energy in the atmosphere and on the surface of the Earth, finding that our current methods are pretty good but still need some work.
Methodology
The study evaluated energy budgets from 2001 to 2020 using satellite-based and reanalysis data, applying a consistent framework across multiple data products.
Potential Biases
Potential biases arise from assumptions made in data products and the lack of direct measurements of atmospheric energy transports.
Limitations
The study acknowledges uncertainties in the DSE budget compared to the TE budget and the need for improved observational products.
Digital Object Identifier (DOI)
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