Investigation of the planetary boundary layer height variations over complex terrain

R. Lieman*, P. Alpert

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)129-142
Number of pages14
JournalBoundary-Layer Meteorology
Volume62
Issue number1-4
DOIs
StatePublished - Jan 1993

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