Jämför metoder
Granska de valda metoderna sida vid sida; rader som skiljer sig är markerade.
| Eddy Covariance× | Bulk aerodynamisk flödesberäkning× | |
|---|---|---|
| Ämnesområde | Meteorologi | Meteorologi |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1951 | 1981 |
| Upphovsperson≠ | Swinbank | Large and Pond |
| Typ≠ | Micrometeorological flux measurement | Surface flux estimation method |
| Ursprungskälla≠ | Baldocchi, D. (2003). Assessing the eddy covariance technique for evaluating carbon dioxide fluxes of ecosystems: past, present and future. Global Change Biology, 9(4), 479-492. DOI ↗ | Large, W. G., & Pond, S. (1981). Open ocean momentum flux measurements in moderate to strong winds. Journal of Physical Oceanography, 11(3), 324-336. DOI ↗ |
| Alias≠ | Eddy covariance, EC flux, Eddy correlation, Direct flux measurement | Bulk aerodynamic approach, Bulk flux parametrization, Aerodynamic bulk method |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | The eddy covariance method is a direct, micrometeorological technique that measures turbulent fluxes of momentum, heat, water vapor, and CO2 by computing the covariance between high-frequency fluctuations of wind velocity and scalar properties (temperature, humidity, concentration). It is the gold standard for measuring ecosystem-atmosphere exchanges and validating model parameterizations. | The bulk aerodynamic method estimates surface energy and momentum fluxes from standard meteorological observations. Rather than measuring turbulent fluxes directly, it parameterizes them using measurements of wind speed, temperature, and moisture at a reference height (typically 10 m) and surface conditions, multiplied by empirically derived drag and transfer coefficients. |
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