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Title: Aerosol Retrievals from ARM SGP MFRSR Data

Abstract

The Multi-Filter Rotating Shadowband Radiometer (MFRSR) makes precise simultaneous measurements of the solar direct normal and diffuse horizontal irradiances at six wavelengths (nominally 415, 500, 615, 673, 870, and 940 nm) at short intervals (20 sec for ARM instruments) throughout the day. Time series of spectral optical depth are derived from these measurements. Besides water vapor at 940 nm, the other gaseous absorbers within the MFRSR channels are NO2 (at 415, 500, and 615 nm) and ozone (at 500, 615, and 670 nm). Aerosols and Rayleigh scattering contribute atmospheric extinction in all MFRSR channels. Our recently updated MFRSR data analysis algorithm allows us to partition the spectral aerosol optical depth into fine and coarse modes and to retrieve the fine mode effective radius. In this approach we rely on climatological amounts of NO2 from SCIAMACHY satellite retrievals and use daily ozone columns from TOMS.

Authors:
Publication Date:
DOE Contract Number:  
DE-AC05-00OR22725
Product Type:
Dataset
Research Org.:
Atmospheric Radiation Measurement (ARM) Archive, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (US)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Subject:
54 Environmental Sciences
Keywords:
Aerosol optical depth; Aerosol particle size; Cloud optical depth
OSTI Identifier:
1169510
DOI:
10.5439/1169510

Citation Formats

Alexandrov, Mikhail. Aerosol Retrievals from ARM SGP MFRSR Data. United States: N. p., 2008. Web. doi:10.5439/1169510.
Alexandrov, Mikhail. Aerosol Retrievals from ARM SGP MFRSR Data. United States. doi:10.5439/1169510.
Alexandrov, Mikhail. 2008. "Aerosol Retrievals from ARM SGP MFRSR Data". United States. doi:10.5439/1169510. https://www.osti.gov/servlets/purl/1169510. Pub date:Tue Jan 15 00:00:00 EST 2008
@article{osti_1169510,
title = {Aerosol Retrievals from ARM SGP MFRSR Data},
author = {Alexandrov, Mikhail},
abstractNote = {The Multi-Filter Rotating Shadowband Radiometer (MFRSR) makes precise simultaneous measurements of the solar direct normal and diffuse horizontal irradiances at six wavelengths (nominally 415, 500, 615, 673, 870, and 940 nm) at short intervals (20 sec for ARM instruments) throughout the day. Time series of spectral optical depth are derived from these measurements. Besides water vapor at 940 nm, the other gaseous absorbers within the MFRSR channels are NO2 (at 415, 500, and 615 nm) and ozone (at 500, 615, and 670 nm). Aerosols and Rayleigh scattering contribute atmospheric extinction in all MFRSR channels. Our recently updated MFRSR data analysis algorithm allows us to partition the spectral aerosol optical depth into fine and coarse modes and to retrieve the fine mode effective radius. In this approach we rely on climatological amounts of NO2 from SCIAMACHY satellite retrievals and use daily ozone columns from TOMS.},
doi = {10.5439/1169510},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {1}
}

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