NDLI: Airborne Doppler Lidar Measurements of Valley Flows in Complex Coastal Terrain

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Airborne Doppler Lidar Measurements of Valley Flows in Complex Coastal Terrain

Content Provider	Semantic Scholar
Author	Wekker, S. De Godwin, Kevin S. Emmitt, G. David Greco, Steven
Copyright Year	2012
Abstract	AbstractThree-dimensional winds obtained with an airborne Doppler lidar are used to investigate the spatial structure of topographically driven flows in complex coastal terrain in Southern California. The airborne Doppler lidar collected four hours of data between the surface and 3000 m MSL along a 40-km segment of the Salinas Valley during the afternoon of 12 November 2007. The airborne lidar measurements, obtained at horizontal and vertical resolutions of approximately 1500 and 50 m, respectively, reveal a detailed spatial structure of the atmospheric flows within the valley and their associated aerosol features. Clear skies prevailed on the flight day with northwesterly synoptic flows around 10 m s−1. The data document a shallow sea breeze making a transition into an upvalley flow in the Salinas Valley that accelerates in the upvalley direction. Along with the acceleration of the upvalley wind, the lidar data indicate the presence of enhanced sinking motions. No return flows associated with the sea-bre...
Starting Page	1558
Ending Page	1574
Page Count	17
File Format	PDF HTM / HTML
DOI	10.1175/JAMC-D-10-05034.1
Volume Number	51
Alternate Webpage(s)	http://www.swa.com/images/LidarAirborne/DeWekker_Godwin_Emmitt_Greco_2012.pdf
Alternate Webpage(s)	https://doi.org/10.1175/JAMC-D-10-05034.1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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