Tuesday, 21 June 2016: 9:15 AM
Arches (Sheraton Salt Lake City Hotel)
ABSTRACT: Using two eddy flux towers with measurements both within and above the canopy, the atmospheric dynamics of a forested hillside under various synoptic conditions are observed. Under specific conditions, recirculation bubbles form leeward of the hillside, penetrating the canopy and mixing the air vertically. We investigate the causes of recirculation using vertical profiles of temperature, pressure, wind speed, and the Obukhov stability parameter. We also observe the development and dissipation of recirculation structures over time, as well as the implications on the flux of energy and trace gases.
Acknowledgement: This research was supported by NSF Grants ATM-0930015 and PSC-CUNY ENHC- 68849-00 46.
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