Vicarious calibration of satellite ocean  color sensors at two coastal sites

Frédéric Mélin; Giuseppe Zibordi

doi:10.1364/AO.49.000798

Vicarious calibration of satellite ocean color sensors at two coastal sites

Frédéric Mélin and Giuseppe Zibordi

Applied Optics
Vol. 49,
Issue 5,
pp. 798-810
(2010)
•doi: 10.1364/AO.49.000798

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Frédéric Mélin and Giuseppe Zibordi, "Vicarious calibration of satellite ocean color sensors at two coastal sites," Appl. Opt. 49, 798-810 (2010)

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Abstract

Regionally specific vicarious calibration coefficients for ocean color sensors have been computed for the visible bands using the normalized water leaving radiance $L_{w n}$ collected at sites in the northern Adriatic Sea and Baltic Proper. These coefficients are consistent with those found in oligotrophic waters for the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and Moderate Resolution Imaging Spectroradiometer (MODIS) . The extension of the vicarious calibration process to the near-infrared is investigated by taking advantage of the field data of aerosol optical thickness coincident with $L_{w n}$ . Results further confirm the importance of accurately modeling and identifying the aerosol components in atmospheric correction schemes.

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λ	412	443	490	510	555	670	765	865
$\bar{g}$ STD	1.0368	1.0132	0.9918	0.9982	0.9993	0.9729	0.9716	1
$\bar{g}$ VIS	1.0425	1.0143	0.9969	0.9977	1.0034	0.9819	0.9716	1
s.d.^a	0.0124	0.0143	0.0180	0.0192	0.0222	0.0196
$\bar{g}$ VISNIR	1.0342	1.0020	0.9775	0.9749	0.9700	0.90546	0.8514	0.8289
s.d.	0.0138	0.0149	0.0189	0.0197	0.0230	0.0194	0.0826	0.0963

λ	412	443	488	531	551	667	678	748	869
$\bar{g}$ STD	0.9710	0.9848	0.9795	0.9870	0.9850	0.9797	0.9776	0.9855	1
$\bar{g}$ VIS AAOT	0.9809	0.9892	0.9859	0.9916	0.9953	0.9946	0.9908	0.9855	1
s.d.^a	0.0112	0.0123	0.0160	0.0219	0.0250	0.0192	0.0186
$\bar{g}$ VIS GDLT	0.9737	0.9828	0.9764	0.9834	0.9833	0.9920	0.9881	0.9855	1
s.d.	0.0143	0.0111	0.0134	0.0181	0.0207	0.0157	0.0161
$\bar{g}$ VISNIR AAOT	0.9655	0.9695	0.9604	0.9585	0.9587	0.9154	0.9077	0.8758	0.8381
s.d.	0.0141	0.0157	0.0189	0.0250	0.0287	0.0236	0.0224	0.09176	0.1195

λ	412	443	490	510	555	670	765	865
$\bar{g}$ STD	1.0368	1.0132	0.9918	0.9982	0.9993	0.9729	0.9716	1
$\bar{g}$ VIS	1.0425	1.0143	0.9969	0.9977	1.0034	0.9819	0.9716	1
s.d.^a	0.0124	0.0143	0.0180	0.0192	0.0222	0.0196
$\bar{g}$ VISNIR	1.0342	1.0020	0.9775	0.9749	0.9700	0.90546	0.8514	0.8289
s.d.	0.0138	0.0149	0.0189	0.0197	0.0230	0.0194	0.0826	0.0963

λ	412	443	488	531	551	667	678	748	869
$\bar{g}$ STD	0.9710	0.9848	0.9795	0.9870	0.9850	0.9797	0.9776	0.9855	1
$\bar{g}$ VIS AAOT	0.9809	0.9892	0.9859	0.9916	0.9953	0.9946	0.9908	0.9855	1
s.d.^a	0.0112	0.0123	0.0160	0.0219	0.0250	0.0192	0.0186
$\bar{g}$ VIS GDLT	0.9737	0.9828	0.9764	0.9834	0.9833	0.9920	0.9881	0.9855	1
s.d.	0.0143	0.0111	0.0134	0.0181	0.0207	0.0157	0.0161
$\bar{g}$ VISNIR AAOT	0.9655	0.9695	0.9604	0.9585	0.9587	0.9154	0.9077	0.8758	0.8381
s.d.	0.0141	0.0157	0.0189	0.0250	0.0287	0.0236	0.0224	0.09176	0.1195

Abstract

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Figures (4)

Tables (2)

Equations (5)

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