NDLI: A shortwave radiation model for radiometric correction of optical satellite data in rugged terrain

Content Provider	IEEE Xplore Digital Library
Author	Sandmeier, S. Meyer, P. Itten, K.I.
Copyright Year	1994
Description	Author affiliation: Remote Sensing Lab., Zurich Univ., Switzerland (Sandmeier, S.; Meyer, P.; Itten, K.I.)
Abstract	An accurate land-use classification in rugged terrain requires precise correction of atmospheric and slope-aspect effects. This study evaluates the potential of a physical-based correction approach in the mountainous test site Beckenried in Central Switzerland. A Landsat-5 Thematic Mapper (TM) image, a fine-resolution digital elevation model (DEM) and precise ground reference data for several land-use classes serve as the database. Atmospheric correction procedures are based on the CCRS-version of the radiative transfer code 5S. Predefined model data in 5S for atmospheric profiles are compared with actual radiosonde measurements. The approach for the retrieval of atmospherically corrected reflectances is evaluated also in regard to topographic illumination correction. The impact of slope and aspect are taken into account by modifying the irradiance components calculated by 5S for flat terrain to those of inclined terrain using the DEM.
Starting Page	53
Ending Page	57
File Size	583479
Page Count	5
File Format	PDF
ISBN	0780314972
DOI	10.1109/IGARSS.1994.399024
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-08-08
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radiometry Satellite broadcasting Testing Surface topography Remote sensing Digital elevation models Atmospheric modeling Sun Optical sensors Laboratories
Content Type	Text
Resource Type	Article

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