Atmospheric correction algorithm for MERIS above case‐2 waters
The development and validation of an atmospheric correction algorithm designed for the Medium Resolution Imaging Spectrometer (MERIS) with special emphasis on case‐2 waters is described. The algorithm is based on inverse modelling of radiative transfer (RT) calculations using artificial neural netwo...
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fthzgzmk:oai:publications.hereon.de:39694 2023-06-11T04:03:03+02:00 Atmospheric correction algorithm for MERIS above case‐2 waters Schroeder, Th. Behnert, I. Schaale, M. Fischer, J. Doerffer, R. 2007 https://publications.hereon.de/id/39694 https://publications.hzg.de/id/39694 en eng Taylor & Francis https://dx.doi.org/10.1080/01431160600962574 urn:issn:0143-1161 https://publications.hereon.de/id/39694 https://publications.hzg.de/id/39694 info:eu-repo/semantics/closedAccess issn:0143-1161 Schroeder, Th.; Behnert, I.; Schaale, M.; Fischer, J.; Doerffer, R.: Atmospheric correction algorithm for MERIS above case‐2 waters. In: International Journal of Remote Sensing. Vol. 28 (2007) 7, 1469 - 1486. (DOI: /10.1080/01431160600962574) info:eu-repo/classification/ddc/551 info:eu-repo/semantics/article Zeitschrift Artikel 2007 fthzgzmk https://doi.org/10.1080/01431160600962574 2023-05-28T23:25:12Z The development and validation of an atmospheric correction algorithm designed for the Medium Resolution Imaging Spectrometer (MERIS) with special emphasis on case‐2 waters is described. The algorithm is based on inverse modelling of radiative transfer (RT) calculations using artificial neural network (ANN) techniques. The presented correction scheme is implemented as a direct inversion of spectral top‐of‐atmosphere (TOA) radiances into spectral remote sensing reflectances at the bottom‐of‐atmosphere (BOA), with additional output of the aerosol optical thickness (AOT) at four wavelengths for validation purposes. The inversion algorithm was applied to 13 MERIS Level1b data tracks of 2002–2003, covering the optically complex waters of the North and Baltic Sea region. A validation of the retrieved AOTs was performed with coincident in situ automatic sun–sky scanning radiometer measurements of the Aerosol Robotic Network (AERONET) from Helgoland Island located in the German Bight. The accuracy of the derived reflectances was validated with concurrent ship‐borne reflectance measurements of the SIMBADA hand‐held field radiometer. Compared to the MERIS Level2 standard reflectance product generated by the processor versions 3.55, 4.06 and 6.3, the results of the proposed algorithm show a significant improvement in accuracy, especially in the blue part of the spectrum, where the MERIS Level2 reflectances result in errors up to 122% compared to only 19% with the proposed algorithm. The overall mean errors within the spectral range of 412.5–708.75 nm are calculated to be 46.2% and 18.9% for the MERIS Level2 product and the presented algorithm, respectively. Article in Journal/Newspaper Aerosol Robotic Network Hereon Publications (Helmholtz-Zentrum) Boa ENVELOPE(15.532,15.532,66.822,66.822) Helgoland International Journal of Remote Sensing 28 7 1469 1486 |
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Open Polar |
collection |
Hereon Publications (Helmholtz-Zentrum) |
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fthzgzmk |
language |
English |
topic |
info:eu-repo/classification/ddc/551 |
spellingShingle |
info:eu-repo/classification/ddc/551 Schroeder, Th. Behnert, I. Schaale, M. Fischer, J. Doerffer, R. Atmospheric correction algorithm for MERIS above case‐2 waters |
topic_facet |
info:eu-repo/classification/ddc/551 |
description |
The development and validation of an atmospheric correction algorithm designed for the Medium Resolution Imaging Spectrometer (MERIS) with special emphasis on case‐2 waters is described. The algorithm is based on inverse modelling of radiative transfer (RT) calculations using artificial neural network (ANN) techniques. The presented correction scheme is implemented as a direct inversion of spectral top‐of‐atmosphere (TOA) radiances into spectral remote sensing reflectances at the bottom‐of‐atmosphere (BOA), with additional output of the aerosol optical thickness (AOT) at four wavelengths for validation purposes. The inversion algorithm was applied to 13 MERIS Level1b data tracks of 2002–2003, covering the optically complex waters of the North and Baltic Sea region. A validation of the retrieved AOTs was performed with coincident in situ automatic sun–sky scanning radiometer measurements of the Aerosol Robotic Network (AERONET) from Helgoland Island located in the German Bight. The accuracy of the derived reflectances was validated with concurrent ship‐borne reflectance measurements of the SIMBADA hand‐held field radiometer. Compared to the MERIS Level2 standard reflectance product generated by the processor versions 3.55, 4.06 and 6.3, the results of the proposed algorithm show a significant improvement in accuracy, especially in the blue part of the spectrum, where the MERIS Level2 reflectances result in errors up to 122% compared to only 19% with the proposed algorithm. The overall mean errors within the spectral range of 412.5–708.75 nm are calculated to be 46.2% and 18.9% for the MERIS Level2 product and the presented algorithm, respectively. |
format |
Article in Journal/Newspaper |
author |
Schroeder, Th. Behnert, I. Schaale, M. Fischer, J. Doerffer, R. |
author_facet |
Schroeder, Th. Behnert, I. Schaale, M. Fischer, J. Doerffer, R. |
author_sort |
Schroeder, Th. |
title |
Atmospheric correction algorithm for MERIS above case‐2 waters |
title_short |
Atmospheric correction algorithm for MERIS above case‐2 waters |
title_full |
Atmospheric correction algorithm for MERIS above case‐2 waters |
title_fullStr |
Atmospheric correction algorithm for MERIS above case‐2 waters |
title_full_unstemmed |
Atmospheric correction algorithm for MERIS above case‐2 waters |
title_sort |
atmospheric correction algorithm for meris above case‐2 waters |
publisher |
Taylor & Francis |
publishDate |
2007 |
url |
https://publications.hereon.de/id/39694 https://publications.hzg.de/id/39694 |
long_lat |
ENVELOPE(15.532,15.532,66.822,66.822) |
geographic |
Boa Helgoland |
geographic_facet |
Boa Helgoland |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_source |
issn:0143-1161 Schroeder, Th.; Behnert, I.; Schaale, M.; Fischer, J.; Doerffer, R.: Atmospheric correction algorithm for MERIS above case‐2 waters. In: International Journal of Remote Sensing. Vol. 28 (2007) 7, 1469 - 1486. (DOI: /10.1080/01431160600962574) |
op_relation |
https://dx.doi.org/10.1080/01431160600962574 urn:issn:0143-1161 https://publications.hereon.de/id/39694 https://publications.hzg.de/id/39694 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1080/01431160600962574 |
container_title |
International Journal of Remote Sensing |
container_volume |
28 |
container_issue |
7 |
container_start_page |
1469 |
op_container_end_page |
1486 |
_version_ |
1768371188695826432 |