'Vertical flux' diaporamas de présentation

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0.1m

Stratosphere. Troposphere. 1 km. Planetary Boundary Layer. 10 m. height. Surface Layer. Roughness Layer. 0.1m.

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Eddy Covariance

Eddy Covariance. John Knowles University of Colorado Department of Geography INSTAAR. www.esrl.noaa.gov. Airflow. PBL characterized by turbulent airflow Can be imagined as the horizontal flow of numerous rotating eddies Each eddy has 3D components including a vertical wind component.

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Plant Canopies and Carbon Dioxide Flux At night: - flux directed from canopy to the atmosphere

Plant Canopies and Carbon Dioxide Flux At night: - flux directed from canopy to the atmosphere - respiration from leaves, plant roots, soil Daytime: - CO 2 assimilation rate exceeds respiration rate Seasonal Variation in Temperate Environments

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