12 May 2016 Field assessment of optical transparency in the low-level marine boundary layer: preliminary data from coastal New England sites
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Abstract
Estimating the variation in the spectral transmission and scattering of optical and near-IR radiation near the sea surface under a range of conditions should be feasible using historical data collected off the coast of New Hampshire USA and along the coastline in the Gulf of Maine. Presented here are long-term offshore aerosol optical depth measurements collected using an AERONET sun photometer from 2007-2011 and near-surface wind and (3 m) horizontal visibility measurements collected using surface meteorological buoys from 2001-present. Future analysis of these data can address their correlation with near-surface meteorological and sea state conditions and to exploit an intensive but limited subset of historical aerosol particle measurements collected here both during a large research ship surveys (ICARTT) as well as with a dedicated aerosol measurement station in summer 2005. Refractive index variation and relevant altitude-dependent differences in meteorological scalars are also investigated using unique offshore long-term measurements at 3 and 32 m above sea level. Overall project results should provide new information for assessment against several existing models for aerosol extinction in marine environments.
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Douglas Vandemark, Hui Feng, Margaret E. Greenslade, "Field assessment of optical transparency in the low-level marine boundary layer: preliminary data from coastal New England sites", Proc. SPIE 9825, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security, Defense, and Law Enforcement Applications XV, 982513 (12 May 2016); doi: 10.1117/12.2230728; https://doi.org/10.1117/12.2230728
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