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Relationship of spectral reflectance and NDVI to some soil properties of bricks factories soils in Nahrawan Area, Baghdad Iraq
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Relationship of spectral reflectance and NDVI to some soil properties of bricks factories soils in Nahrawan Area, Baghdad Iraq
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Journal Article
Relationship of spectral reflectance and NDVI to some soil properties of bricks factories soils in Nahrawan Area, Baghdad Iraq
2019
Overview
A study was conducted to investigate the effect of the brick industry on the environmental system of
these project soils of the brick factories in Alnahrawan district. Remote sensing techniques was used to
study the relationship between the spectral reflectivity and the vegetative index on the one hand and
some surface soil characters of the project and to determine the variation in vegetation cover for the
same area and for two different periods.Ten sites were selected to study spectral reflectivity under
similar geomorphological conditions near the brickworks project in the Anahrawan district with an
area of 10,000 hectares. Soil samples were taken from the surface and at a depth of 0-30 cm. Some
chemical and physical characters of research soil were analyzed in the soil department laboratories,
college of Agriculture, Baghdad University.Several satellite images taken from the satellite Land sat
(ETM) 2013 and another from same satellite in 1990 T.M to determining the change between the two
periods. After obtaining remote sensing data (reflectivity and vegetation index).the correlation analysis
was carried out between these data. It was observed that the soil salinity values were decreased due to
the drainage that the area was confined between the Tigris River and the Diyala tributary which leads
to good natural drainage.The attached tables indicate that thedigital numbers of the soil sampling sites
in 2013 are highly significant correlated, While some of the characters did not show the use of this
region industrially. After calculating the difference between the two images to determine the change. A
100% change was observed and the vegetation cover was sharply reduced between the two images. as
well as the extension of the land of empty land, although these lands are still suitable for agriculture.
Publisher
University of Baghdad, College of Agriculture
Subject
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