Adjacent effect and cross talk of land surfaces on coastal water in the Aster VNIR and SWIR

Tsutomu Takashima; Kazuhiko Masuda; Isao Sato; Satoshi Tsuchida

doi:10.1117/12.450837

18 December 2002 Adjacent effect and cross talk of land surfaces on coastal water in the Aster VNIR and SWIR

Tsutomu Takashima, Kazuhiko Masuda, Isao Sato, Satoshi Tsuchida

Proceedings Volume 4818, Infrared Spaceborne Remote Sensing X; (2002) https://doi.org/10.1117/12.450837
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The adjacency effect is discussed at coastal areas of main land and peninsula using VNIR and SWIR on ASTER sensor, although the cross-talk phenomenon is apparently noted on some SWIR. The purpose of the analysis is to derive optical characteristics of atmospheric aerosol. The aerosol model is in accordance to the dust-like model. This model is adopted to ASTER and MISR on Terra satellite. Data is the Atsumi Peninsula near Nagoya (34° 40'N, 134° 00'E) GMT1.55 on July 10,2000. The ASTER SWIR(1.65μm-2.395μm) cross-talk phenomenon is noted in the data. This is known as a result of a structure of ASTER sensor. It is relatively large (5-6 DN counts and 100 lines or 3km length). On the other hands, when ASTER observe heterogeneous surface of coastal water, the adjacency effect due to the scattering by atmosphere might partly be contaminated to the above effect. In the SWIR region of spectrum, molecular scattering is practically neglected. However, some aerosol model indicates strong scattering effect at SWIR wavelengths. The main results are (1) The Japan Main land indicates 6~20 times more effect than the peninsula on adjacent radiance from ocean water. (2) SWIR & VNIR exhibit similar adjacent effect which might indicate aerosol or large particles.

Citation Download Citation

Tsutomu Takashima, Kazuhiko Masuda, Isao Sato, and Satoshi Tsuchida "Adjacent effect and cross talk of land surfaces on coastal water in the Aster VNIR and SWIR", Proc. SPIE 4818, Infrared Spaceborne Remote Sensing X, (18 December 2002); https://doi.org/10.1117/12.450837

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