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Теория за подобие на Монин-Обухов×Обемни аеродинамични потоци×ЕдиКовариантен Метод×
ОбластМетеорологияМетеорологияМетеорология
СемействоProcess / pipelineProcess / pipelineProcess / pipeline
Година на възникване195419811951
СъздателMonin and ObukhovLarge and PondSwinbank
ТипSimilarity scaling frameworkSurface flux estimation methodMicrometeorological flux measurement
Основополагащ източникMonin, A. S., & Obukhov, A. M. (1954). Basic laws of turbulent mixing in the ground layer of the atmosphere. Tr. Akad. Nauk SSSR, 24, 163-187. link ↗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 ↗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 ↗
Други названияMonin-Obukhov, Similarity theory, Monin-Obukhov length scaleBulk aerodynamic approach, Bulk flux parametrization, Aerodynamic bulk methodEddy covariance, EC flux, Eddy correlation, Direct flux measurement
Свързани333
РезюмеMonin-Obukhov similarity theory is a fundamental framework in boundary layer meteorology that describes how wind speed, temperature, and humidity vary with height near the surface. Published in 1954, it shows that normalized vertical profiles depend on a single dimensionless parameter—the Monin-Obukhov stability parameter—which quantifies the balance between mechanical turbulence and buoyant convection.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.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.
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ScholarGateСравнение на методи: Monin-Obukhov Similarity · Bulk Aerodynamic Flux · Eddy Covariance. Извлечено на 2026-06-20 от https://scholargate.app/bg/compare