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Validation of Two MODIS Aerosols Algorithms with SKYNET and Prospects for Future Climate Satellites Such as the GCOM-CSGLI
Joint Authors
Dim, Jules R.
Nakajima, Takahashi Y.
Kathri, Pradeep
Higurashi, Akiko
Takamura, Tamio
Kikuchi, Nobuyuki
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-08-14
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
Potential improvements of aerosols algorithms for future climate-oriented satellites such as the coming Global Change Observation Mission Climate/Second generation Global Imager (GCOM-C/SGLI) are discussed based on a validation study of three years’ (2008–2010) daily aerosols properties, that is, the aerosol optical thickness (AOT) and the Ångström exponent (AE) retrieved from two MODIS algorithms.
The ground-truth data used for this validation study are aerosols measurements from 3 SKYNET ground sites.
The results obtained show a good agreement between the ground-truth data AOT and that of one of the satellites’ algorithms, then a systematic overestimation (around 0.2) by the other satellites’ algorithm.
The examination of the AE shows a clear underestimation (by around 0.2–0.3) by both satellites’ algorithms.
The uncertainties explaining these ground-satellites’ algorithms discrepancies are examined: the cloud contamination affects differently the aerosols properties (AOT and AE) of both satellites’ algorithms due to the retrieval scale differences between these algorithms.
The deviation of the real part of the refractive index values assumed by the satellites’ algorithms from that of the ground tends to decrease the accuracy of the AOT of both satellites’ algorithms.
The asymmetry factor (AF) of the ground tends to increase the AE ground-satellites discrepancies as well.
American Psychological Association (APA)
Dim, Jules R.& Takamura, Tamio& Higurashi, Akiko& Kathri, Pradeep& Kikuchi, Nobuyuki& Nakajima, Takahashi Y.. 2013. Validation of Two MODIS Aerosols Algorithms with SKYNET and Prospects for Future Climate Satellites Such as the GCOM-CSGLI. Advances in Meteorology،Vol. 2013, no. 2013, pp.1-16.
https://search.emarefa.net/detail/BIM-477196
Modern Language Association (MLA)
Dim, Jules R.…[et al.]. Validation of Two MODIS Aerosols Algorithms with SKYNET and Prospects for Future Climate Satellites Such as the GCOM-CSGLI. Advances in Meteorology No. 2013 (2013), pp.1-16.
https://search.emarefa.net/detail/BIM-477196
American Medical Association (AMA)
Dim, Jules R.& Takamura, Tamio& Higurashi, Akiko& Kathri, Pradeep& Kikuchi, Nobuyuki& Nakajima, Takahashi Y.. Validation of Two MODIS Aerosols Algorithms with SKYNET and Prospects for Future Climate Satellites Such as the GCOM-CSGLI. Advances in Meteorology. 2013. Vol. 2013, no. 2013, pp.1-16.
https://search.emarefa.net/detail/BIM-477196
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-477196