A141-0010
Mixing layer height estimation using Pandora MAX-DOAS measurements from the LISTOS (2018) campaign.

Monday, 14 December 2020
Poster
Nabil Nowak1, Elena Spinei1, James Szykman2, Travis N Knepp3, Alexander Kotsakis3, Lena Shalaby4 and Nader Abuhassan4, (1)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (2)US EPA, ORD, National Exposure Research Laboratory, Hampton, VA, United States, (3)NASA Langley Research Center, Hampton, VA, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States
Abstract:
The planetary boundary layer (PBL) is the lowest part of the troposphere strongly impacted by the radiative forcing of the underlying surface on the order of 1 to 24 hours. PBL is often characterized by a uniform mixing of pollutants and is “capped” by the inversion layer above. In this study we derive mixing layer depth from the multi-axis differential optical absorption spectroscopy measurements (Pandora, SciGlob, Inc) of water vapor and aerosol vertical profiles during the LISTOS (2018) campaign at Westport, CT (41.1183N, 73.3367 W). We compare the remote sensing derived mixing layer depth with the estimations from the collocated Ceilometer (Vaisala CL51, EPA) and sonde temperature measurements.
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