Abstract
The effects of sea-breeze interactions with synoptic forcing on the PBL height over complex terrain are investigated through the use of a 3-D mesoscale numerical model. Two of the results are as follows. First, steep PBL height gradients—order of 1500 m over a grid interval of 10 km — are associated with the sea-breeze front and are enhanced by the topography. Second, a significant horizontal shift in the maximum PBL height relative to the mountains, is induced by a corresponding displacement of the thermal ridge due to the mountains, in the presence of large scale flow.
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Lieman, R., Alpert, P. Investigation of the planetary boundary layer height variations over complex terrain. Boundary-Layer Meteorol 62, 129–142 (1993). https://doi.org/10.1007/BF00705550
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DOI: https://doi.org/10.1007/BF00705550