Convective structure of the planetary boundary layer of the ocean during gale

Details Convective structure of the planetary boundary layer of the ocean during gale Convective structure of the planetary boundary layer of the ocean during gale

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986lara.confr....m&link_type=abstract

In NASA. Langley Research Center 13th International Laser Radar Conference 1 p (SEE N87-10263 01-35)

Mathematics

Probability

Cold Fronts, Heat Transfer, Optical Radar, Planetary Boundary Layer, Radar Measurement, Storms, Air Water Interactions, Airborne Equipment, Atlantic Ocean, Convection, Mixing Height, Moisture Content, Wind (Meteorology)

Scientific paper

The structure of the Planetary Boundary Layer (PBL) was measured, using an airborne lidar, over the Atlantic Ocean during several intensive observation periods of the Genesis of Atlantic Lows Experiment (GALE). Primary emphasis is on the understanding of the convective structure within the PBL during cold air outbreaks. Cold outbreaks generally occur in between the development of coastal storms; and behind a cold front sweeping down from Canada out across the Atlantic. As the cold dry air moves over the relatively warm ocean, it is heated and moistened. The transfer of latent and sensible heat during these events accounts for most of the heat transfer between the ocean and atmosphere during winter. Moistening of the PBL during these eventsis believed to be an important factor in determining the strength of development of the storm system which follows. In general, the more PBL moisture available as latent heat the higher the probability the storm will intensify. The major mechanism for vertical mixing of heat and mositure within the PBL is cellular convection. Knowlede of the organization and structure of the convection is important for understanding the process.

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