Impact of radiance variations on satellite sensor calibration

Michael J. Duggin

doi:10.1364/AO.26.001264

Applied Optics
Vol. 26,
Issue 7,
pp. 1264-1271
(1987)
•https://doi.org/10.1364/AO.26.001264

Impact of radiance variations on satellite sensor calibration

Michael J. Duggin

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Michael J. Duggin, "Impact of radiance variations on satellite sensor calibration," Appl. Opt. 26, 1264-1271 (1987)

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Abstract

The intercalibration of digital data from different sensors depends on systematic and random variations in factors controlling recorded radiance. Theoretical expressions are presented which describe the impact of random variations in those factors which control radiance incident on the sensor. Means of measuring or estimating the impact of random variations on intercalibration factors are discussed. Means of detecting and calibrating for systematic effects are also discussed. We consider the optical-reflective, middle-infrared, and thermal infrared regions of the spectrum. An example is presented whereby NOAA-7 and NOAA-8 advanced very high resolution radiometer (AVHRR) radiance data, obtained over the same test fields, are shown to depend on the differences in view angles used by the two satellites.

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Channel	NOAA-7	NOAA-8
1	0.58–0.68	0.58–0.68
2	0.725–1.10	0.725–1.10
3	3.55–3.93	3.55–3.93
4	10.30–11.30	10.50–11.50
5	11.50–12.50	10.50–11.50

	Band 1	Band 2	Band 3	Band 4	Band 5	Δ, θ′	Field
1	1.6057	1.6839	0.8476	0.8266	0.8383	26.1	1
2	1.7968	1.7548	0.8361	0.8723	0.8831	19.3	2
3	1.6680	1.7078	0.8498	0.8500	0.8672	13.6	3
4	1.4639	1.4438	0.8472	0.8838	0.9157	3.9	4
5	1.0698	1.2637	0.8257	0.7821	0.8259	−12.5	5
6	1.4119	1.4938	0.8806	0.9038	0.9426	−1.4	6
7	1.3664	1.5157	0.8973	0.8764	0.9254	−5.8	7
8	1.2556	1.3362	0.8272	0.7856	0.8177	−7.3	1
9	1.1396	1.3120	0.8355	0.8039	0.8426	−28.0	2
10	0.5981	1.3208	0.8336	0.6035	0.6273	−9.3	3
11	1.2512	1.7640	0.8659	0.8295	0.8789	−7.2	4
12	1.2829	1.3486	0.7994	0.8284	0.9293	−80.2	1
13	1.3947	1.3399	0.8469	0.8597	0.9529	−80.7	2
14	1.2268	1.2756	0.8220	0.7990	0.8597	−86.8	3
15	1.2867	1.2908	0.8511	0.8331	0.9015	−87.9	4
16	1.0872	1.1896	0.5482	0.7057	0.8644	−82.2	5
17	0.9399	1.0073	0.7418	0.7216	0.7803	−84.0	6
18	0.6053	1.1018	0.7929	0.7127	0.7543	−81.6	7
19	0.5928	0.9585	0.7861	0.7109	0.7582	−73.6	8

Channel	NOAA-7	NOAA-8
1	0.58–0.68	0.58–0.68
2	0.725–1.10	0.725–1.10
3	3.55–3.93	3.55–3.93
4	10.30–11.30	10.50–11.50
5	11.50–12.50	10.50–11.50

	Band 1	Band 2	Band 3	Band 4	Band 5	Δ, θ′	Field
1	1.6057	1.6839	0.8476	0.8266	0.8383	26.1	1
2	1.7968	1.7548	0.8361	0.8723	0.8831	19.3	2
3	1.6680	1.7078	0.8498	0.8500	0.8672	13.6	3
4	1.4639	1.4438	0.8472	0.8838	0.9157	3.9	4
5	1.0698	1.2637	0.8257	0.7821	0.8259	−12.5	5
6	1.4119	1.4938	0.8806	0.9038	0.9426	−1.4	6
7	1.3664	1.5157	0.8973	0.8764	0.9254	−5.8	7
8	1.2556	1.3362	0.8272	0.7856	0.8177	−7.3	1
9	1.1396	1.3120	0.8355	0.8039	0.8426	−28.0	2
10	0.5981	1.3208	0.8336	0.6035	0.6273	−9.3	3
11	1.2512	1.7640	0.8659	0.8295	0.8789	−7.2	4
12	1.2829	1.3486	0.7994	0.8284	0.9293	−80.2	1
13	1.3947	1.3399	0.8469	0.8597	0.9529	−80.7	2
14	1.2268	1.2756	0.8220	0.7990	0.8597	−86.8	3
15	1.2867	1.2908	0.8511	0.8331	0.9015	−87.9	4
16	1.0872	1.1896	0.5482	0.7057	0.8644	−82.2	5
17	0.9399	1.0073	0.7418	0.7216	0.7803	−84.0	6
18	0.6053	1.1018	0.7929	0.7127	0.7543	−81.6	7
19	0.5928	0.9585	0.7861	0.7109	0.7582	−73.6	8

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Applied Optics