NDLI: Shade images of forested areas obtained from landsat mss data

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Shade images of forested areas obtained from landsat mss data

Content Provider	NASA Technical Reports Server (NTRS)
Author	Shimabukuro, Yosio Edemir Smith, James A.
Copyright Year	1989
Description	The pixel size in the present day Remote Sensing systems is large enough to include different types of land cover. Depending upon the target area, several components may be present within the pixel. In forested areas, generally, three main components are present: tree canopy, soil (understory), and shadow. The objective is to generate a shade (shadow) image of forested areas from multispectral measurements of LANDSAT MSS (Multispectral Scanner) data by implementing a linear mixing model, where shadow is considered as one of the primary components in a pixel. The shade images are related to the observed variation in forest structure, i.e., the proportion of inferred shadow in a pixel is related to different forest ages, forest types, and tree crown cover. The Constrained Least Squares (CLS) method is used to generate shade images for forest of eucalyptus and vegetation of cerrado using LANDSAT MSS imagery over Itapeva study area in Brazil. The resulted shade images may explain the difference on ages for forest of eucalyptus and the difference on three crown cover for vegetation of cerrado.
File Size	666436
Page Count	10
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900012120
Archival Resource Key	ark:/13960/t41s1q29f
Language	English
Publisher Date	1989-02-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Satellite Imagery Shadows Soils Forests Image Analysis Canopies Vegetation Least Squares Method Trees Plants Remote Sensing Landsat Satellites Pixels Image Contrast Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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