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| Eddy Covariance× | HYSPLIT× | |
|---|---|---|
| Fagområde | Meteorologi | Meteorologi |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1951 | 1997 |
| Ophavsperson≠ | Swinbank | Draxler and Hess |
| Type≠ | Micrometeorological flux measurement | Trajectory and dispersion model |
| Oprindelig kilde≠ | 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 ↗ | Draxler, R. R., & Hess, G. D. (1997). Description of the HYSPLIT_4 modeling system. NOAA Technical Memorandum ERL ARL-224. link ↗ |
| Aliasser≠ | Eddy covariance, EC flux, Eddy correlation, Direct flux measurement | HYSPLIT, Hybrid Single-Particle, Lagrangian trajectory model |
| Relaterede | 3 | 3 |
| Resumé≠ | 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. | HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory Model) is a widely used atmospheric transport and dispersion model developed by NOAA's Air Resources Laboratory. It computes air parcel trajectories and pollutant dispersion using Lagrangian tracking to simulate how contaminants and particles move through the atmosphere over hours to weeks. |
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