National Aeronautics and Space Administration

Publication Abstracts

Alexandrov et al. 2001

Alexandrov, M.D., A.A. Lacis, B.E. Carlson, and B. Cairns, 2001: MFRSR-based climatologies of atmospheric aerosols, trace gases, and water vapor. In Remote Sensing of Clouds and the Atmosphere V, 25 Sep. 2000, Barcelona, Proc. SPIE, vol. 4168, p. 256, doi:10.1117/12.413872.

Measurements from ground-based sun photometer networks can be used both to provide a ground-truth validation of satellite aerosol retrieval sand to produce a land-based aerosol climatology which is complementary to satellite retrievals that currently are being performed mostly over ocean. The MFRSR has become a popular network instrument in recent years, several existing networks operate about a hundred instruments providing good geographical coverage of the US. We describe and validate a retrieval algorithm for processing MFRSR data from clear and partially cloudy days. This method uses consistency between direct normal and diffuse horizontal measurements together with a special regression technique for retrieval of daily time series of column mean aerosol particle size, aerosol optical depth, NO₂, ozone and water vapor column amounts together with the instrument's calibration constants. This method has bene successfully used to analyze MFRSR measurements from a number of instruments both from large networks and those operated by individual users. The analysis of long-term MFRSR measurements provides a description of seasonal and inter-annual changes in aerosol parameters and in column amounts of ozone, NO₂ and water vapor as a function of geographical location. Application of this analysis method to the measurements from growing numbers of MFRSR opens the possibility to build large-scale climatologies basing on MFRSR network data.

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@inproceedings{al06500f,
  author={Alexandrov, M. D. and Lacis, A. A. and Carlson, B. E. and Cairns, B.},
  title={MFRSR-based climatologies of atmospheric aerosols, trace gases, and water vapor},
  booktitle={Remote Sensing of Clouds and the Atmosphere V, 25 Sep. 2000, Barcelona},
  year={2001},
  volume={4168},
  pages={256},
  series={Proc. SPIE},
  doi={10.1117/12.413872},
}

TY  - CPAPER
ID  - al06500f
AU  - Alexandrov, M. D.
AU  - Lacis, A. A.
AU  - Carlson, B. E.
AU  - Cairns, B.
PY  - 2001
TI  - MFRSR-based climatologies of atmospheric aerosols, trace gases, and water vapor
BT  - Remote Sensing of Clouds and the Atmosphere V, 25 Sep. 2000, Barcelona
T3  - Proc. SPIE
VL  - 4168
SP  - 256
DO  - 10.1117/12.413872
ER  -

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