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Evaluating Environmental Sensitivity to Desertification in El-Fayoum Depression, Egypt

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Last updated: 01 Jan 2025

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Abstract

T HIS STUDY aims to use spatial analyst tool in a Geographic Information System (GIS) to assess the environmental sensitivity for desertification in El- Fayum Depression, Egypt. The thematic layers of soils, vegetation and climate quality indices are the main required data for estimating the Environmental Sensitivity to desertification. These layers were established in geographic information system depend upon land surveying and laboratory analyses data, Landsat ETM image, Digital Elevation Model (DEM), geological map and climatic data. Spatial analyst tool in Arc-GIS 9.3 software is used for matching the thematic layers and assessing the desertification index, accordingly the map of environmentally sensitive areas of El- Fayoum Depression is produced. The obtained data reveals that the high sensitive areas for desertification in the study area are found in the southern parts of Qarun Lake, it represents 18.31 % of the depression area. The areas of sensitive for desertification exhibit an area of 54.09 % of the total area. The areas of moderate sensitive for desertification exhibit an area of 27.6 % of the total area. The integration of different factors contributing to desertification sensitivity may lead to plan a successful combating. The use of remote sensing data and GIS proved to be useful in visualizing the sensitivity situation of different desertification parameters.

DOI

10.21608/ejss.2013.178

Keywords

Desertification Sensitivity, land degradation, Geomorphology, El- Fayoum

Volume

53

Article Issue

3

Related Issue

58

Issue Date

2013-09-01

Receive Date

2013-09-22

Publish Date

2013-09-30

Page Start

445

Page End

460

Print ISSN

0302-6701

Online ISSN

2357-0369

Link

https://ejss.journals.ekb.eg/article_178.html

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https://ejss.journals.ekb.eg/service?article_code=178

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10

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Original Article

Type Code

19

Publication Type

Journal

Publication Title

Egyptian Journal of Soil Science

Publication Link

https://ejss.journals.ekb.eg/

MainTitle

Evaluating Environmental Sensitivity to Desertification in El-Fayoum Depression, Egypt

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Article

Created At

22 Jan 2023