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MERIT RESEARCH JOURNAL OF AGRICULTURAL SCIENCE AND SOIL SCIENCE (MRJASSS) (ISSN: 2350-2274)

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June 2014 Vol. 2 No.6

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Gashaw T
Dinkayoh T

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Merit Research Journal of Agricultural Science and Soil Science (ISSN: 2350-2274) Vol. 2(6) pp. 077-080, June, 2014

Full Length Research Papers

Detection of vegetation changes using GIS techniques in Northern Ethiopia

Temesgen Gashaw¹*, Tesfahun Fentahun² and Tigabu Dinkayoh¹

¹Department of Natural Resource Management, Adigrat University, Ethiopia
²Department of Natural Resource Management, Debre Tabor University, Ethiopia

*Corresponding Author's E-mail: gashaw.temesgene@yahoo.com

Accepted June 28, 2014

Abstract

The present study aims to detect vegetation changes in Northern Ethiopia using GIS techniques. Normalized Difference Vegetation Index was employed to separate green vegetation from other surfaces based on the vegetation reflectance properties of the area. For this purpose, two different years of satellite imagery (Landsat 5 TM of 1985 and Landsat 7 ETM+ imagery 2011); Global positioning system and topographical maps of scale 1:50,000 for ground verification were used. ERDAS Imagine 9.1 and ArcGIS 9.3 software were employed for satellite image processing, and NDVI mapping and analysis. The result of this study indicated that demolition of vegetation biomass coverage between 1985 and 2011 images.

Keywords: Vegetation change, GIS, NDVI