Remote sensing of tropospheric aerosol using UV MAX-DOAS during hazy conditions in winter: Utilization of O4 Absorption bands at wavelength intervals of 338-368 and 367-393 nm

Hanlim Lee; Hitoshi Irie; Myojeong Gu; Jhoon Kim; Jungbae Hwang

doi:10.1016/j.atmosenv.2011.07.019

Remote sensing of tropospheric aerosol using UV MAX-DOAS during hazy conditions in winter: Utilization of O₄ Absorption bands at wavelength intervals of 338-368 and 367-393 nm

Hanlim Lee, Hitoshi Irie, Myojeong Gu, Jhoon Kim, Jungbae Hwang

Department of Atmospheric Sciences

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were taken during 12 hazy days in December 2006 in Fresno, USA. We obtained vertical distributions of aerosol extinction coefficients (AECs) and aerosol optical depths (AODs) at UV wavelengths of 353 and 380 nm by applying a recently developed aerosol retrieval algorithm based on O₄ slant column densities (SCDs) from MAX-DOAS measurements. A linear correlation coefficient (R) of 0.74 (0.73) was obtained between surface PM_2.5 concentrations and AECs at 353 (380) nm within the 0-1 km layer under hazy conditions. AODs obtained from MAX-DOAS measurements were validated by comparison with those measured by a collocated sunphotometer. AODs derived at both wavelengths were overestimated under the hazy atmospheric conditions compared with those retrieved from sunphotometer measurements. A coefficient of determination (R²) of 0.58 (0.79) was obtained for AODs at 353 (380) nm from MAX-DOAS and sunphotometer during the hazy period, and AODs obtained using MAX-DOAS agreed with sunphotometer data within 50% and 40% for the different wavelengths, respectively.

Original language	English
Pages (from-to)	5760-5769
Number of pages	10
Journal	Atmospheric Environment
Volume	45
Issue number	32
DOIs	https://doi.org/10.1016/j.atmosenv.2011.07.019
Publication status	Published - 2011 Oct

Bibliographical note

Funding Information:
This work was supported by the Korean Ministry of Environment as the Eco-Innovation Project. The software package WinDOAS used to evaluate MAX-DOAS spectra was provided by the Belgian Institute for Space Aeronomy, Belgium. The authors would like to thank Principal Investigators of the AERONET sites for the use of sunphotometer data. This work was supported by the Global Environment Research Fund (S-7) of the Ministry of the Environment, Japan; the Ministry of Education, Culture, Sports, Science and Technology (MEXT) , Japan; and the Japan EOS (Earth Observation System) Promotion Program of the Ministry of Education, Culture, Sports, Science and Technology (MEXT).

All Science Journal Classification (ASJC) codes

Environmental Science(all)
Atmospheric Science

Access to Document

10.1016/j.atmosenv.2011.07.019

Cite this

@article{83940f8486aa4390b683d7be16340d37,

title = "Remote sensing of tropospheric aerosol using UV MAX-DOAS during hazy conditions in winter: Utilization of O4 Absorption bands at wavelength intervals of 338-368 and 367-393 nm",

abstract = "Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were taken during 12 hazy days in December 2006 in Fresno, USA. We obtained vertical distributions of aerosol extinction coefficients (AECs) and aerosol optical depths (AODs) at UV wavelengths of 353 and 380 nm by applying a recently developed aerosol retrieval algorithm based on O4 slant column densities (SCDs) from MAX-DOAS measurements. A linear correlation coefficient (R) of 0.74 (0.73) was obtained between surface PM2.5 concentrations and AECs at 353 (380) nm within the 0-1 km layer under hazy conditions. AODs obtained from MAX-DOAS measurements were validated by comparison with those measured by a collocated sunphotometer. AODs derived at both wavelengths were overestimated under the hazy atmospheric conditions compared with those retrieved from sunphotometer measurements. A coefficient of determination (R2) of 0.58 (0.79) was obtained for AODs at 353 (380) nm from MAX-DOAS and sunphotometer during the hazy period, and AODs obtained using MAX-DOAS agreed with sunphotometer data within 50% and 40% for the different wavelengths, respectively.",

author = "Hanlim Lee and Hitoshi Irie and Myojeong Gu and Jhoon Kim and Jungbae Hwang",

note = "Funding Information: This work was supported by the Korean Ministry of Environment as the Eco-Innovation Project. The software package WinDOAS used to evaluate MAX-DOAS spectra was provided by the Belgian Institute for Space Aeronomy, Belgium. The authors would like to thank Principal Investigators of the AERONET sites for the use of sunphotometer data. This work was supported by the Global Environment Research Fund (S-7) of the Ministry of the Environment, Japan; the Ministry of Education, Culture, Sports, Science and Technology (MEXT) , Japan; and the Japan EOS (Earth Observation System) Promotion Program of the Ministry of Education, Culture, Sports, Science and Technology (MEXT).",

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T2 - Utilization of O4 Absorption bands at wavelength intervals of 338-368 and 367-393 nm

AU - Lee, Hanlim

AU - Irie, Hitoshi

AU - Gu, Myojeong

AU - Kim, Jhoon

AU - Hwang, Jungbae

N1 - Funding Information: This work was supported by the Korean Ministry of Environment as the Eco-Innovation Project. The software package WinDOAS used to evaluate MAX-DOAS spectra was provided by the Belgian Institute for Space Aeronomy, Belgium. The authors would like to thank Principal Investigators of the AERONET sites for the use of sunphotometer data. This work was supported by the Global Environment Research Fund (S-7) of the Ministry of the Environment, Japan; the Ministry of Education, Culture, Sports, Science and Technology (MEXT) , Japan; and the Japan EOS (Earth Observation System) Promotion Program of the Ministry of Education, Culture, Sports, Science and Technology (MEXT).

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N2 - Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were taken during 12 hazy days in December 2006 in Fresno, USA. We obtained vertical distributions of aerosol extinction coefficients (AECs) and aerosol optical depths (AODs) at UV wavelengths of 353 and 380 nm by applying a recently developed aerosol retrieval algorithm based on O4 slant column densities (SCDs) from MAX-DOAS measurements. A linear correlation coefficient (R) of 0.74 (0.73) was obtained between surface PM2.5 concentrations and AECs at 353 (380) nm within the 0-1 km layer under hazy conditions. AODs obtained from MAX-DOAS measurements were validated by comparison with those measured by a collocated sunphotometer. AODs derived at both wavelengths were overestimated under the hazy atmospheric conditions compared with those retrieved from sunphotometer measurements. A coefficient of determination (R2) of 0.58 (0.79) was obtained for AODs at 353 (380) nm from MAX-DOAS and sunphotometer during the hazy period, and AODs obtained using MAX-DOAS agreed with sunphotometer data within 50% and 40% for the different wavelengths, respectively.

AB - Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were taken during 12 hazy days in December 2006 in Fresno, USA. We obtained vertical distributions of aerosol extinction coefficients (AECs) and aerosol optical depths (AODs) at UV wavelengths of 353 and 380 nm by applying a recently developed aerosol retrieval algorithm based on O4 slant column densities (SCDs) from MAX-DOAS measurements. A linear correlation coefficient (R) of 0.74 (0.73) was obtained between surface PM2.5 concentrations and AECs at 353 (380) nm within the 0-1 km layer under hazy conditions. AODs obtained from MAX-DOAS measurements were validated by comparison with those measured by a collocated sunphotometer. AODs derived at both wavelengths were overestimated under the hazy atmospheric conditions compared with those retrieved from sunphotometer measurements. A coefficient of determination (R2) of 0.58 (0.79) was obtained for AODs at 353 (380) nm from MAX-DOAS and sunphotometer during the hazy period, and AODs obtained using MAX-DOAS agreed with sunphotometer data within 50% and 40% for the different wavelengths, respectively.

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