OCEANIC RADIANCE MODEL DEVELOPMENT AND VALIDATION - APPLICATION OF AIRBORNE ACTIVE-PASSIVE OCEAN COLOR SPECTRAL MEASUREMENTS

被引：13
|
作者：
HOGE, FE [1 ]
SWIFT, R [1 ]
YUNGEL, J [1 ]
机构：
[1] EG & G INC, WALLOPS FLIGHT FACIL, WALLOPS ISL, VA 23337 USA
来源：
APPLIED OPTICS | 1995年 / 34卷 / 18期
关键词：
OCEAN COLOR; RADIANCE MODEL; LIDAR; REMOTE SENSING; INHERENT OPTICAL PROPERTIES;
D O I：
10.1364/AO.34.003468
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It is shown that airborne active-passive (laser-solar) ocean color data can be used to develop and validate oceanic radiance models. The two principal inputs to the oceanic radiance model, chlorophyll pigment and incident solar irradiance, are obtained from a nadir-viewing laser-induced fluorescence spectrometer and a zenith-viewing radiometer, respectively. The computed water-leaving radiances are validated by comparison with the calibrated output of a separate nadir-viewing radiometer subsystem. In the North Atlantic Ocean, the calculated and the observed airborne radiances are found to compare very favorably for the 443-, 520-, and 550-nm wavelengths over an similar to 170-km flight track east of St. John's, Newfoundland. The results further suggest that the semianalytical radiance model of ocean color, the airborne active (laser) fluorescence spectrometer, and the passive (solar) radiometric instrumentation are all remarkably precise.
引用
收藏
页码：3468 / 3476
页数：9
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