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International Journal of Latest Research in Science and Technology

DOI:10.29111/ijlrst   ISRA Impact Factor:3.35

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THE ROLE OF SPECTRAL RESPONSES IN THE DISCRIMINATION OF SOILS SURFACE OF SEBKHA SEFIOUNE IN THE NORTH OF OUARGLA (NORTHERN ALGERIAN SAHARA) BY REMOTE SENSING

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International Journal of Latest Research in Science and Technology Vol.3 Issue 3, pp 215-220,Year 2014

THE ROLE OF SPECTRAL RESPONSES IN THE DISCRIMINATION OF SOILS SURFACE OF SEBKHA SEFIOUNE IN THE NORTH OF OUARGLA (NORTHERN ALGERIAN SAHARA) BY REMOTE SENSING

HADJ KOUIDER Mohamed, NEZLI Imed Eddine,HAMDI-AISSA Belhadj

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Received : 25 June 2014; Accepted : 27 June 2014 ; Published : 30 June 2014

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Abstract

Quaternary formations occupy all the lower levels of large sedimentary basins, forming thus ephemeral lakes in closed salt depressions, called commonly "sebkhas." They are continental aquatic ecosystems classified as wetlands of inland backwaters (RAMSAR Convention, 1971). They provide several functions; such as aquatic life, geochemical and hydrological cycles. The aim of this paper is to characterize the surface states of salty soils of sebkha Sefioune in the north of Ouargla (South-eastern Algeria), by linking the remote sensing data acquired by satellite and observation and exploration of land in order to differentiate the surface states of the study area (sebkha Sefioune and nearby). The realization of spectral signatures from the satellite image (Landsat 7 ETM +), allowed us to individualize the soil surface states of sebkha Sefioune and its surroundings (North of Ouargla-Algeria) according to the spectral responses of each surface states. This approach allows us to say that the land surface states have different spectral behaviour according to their colour, water content (humidity), structure (roughness,) mineralogical and geochemical nature.

Key Words   
Sebkha, Sefioune, Ouargla, reflectance, spectral profile, spectral signature, remote sensing

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References
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To cite this article

HADJ KOUIDER Mohamed, NEZLI Imed Eddine,HAMDI-AISSA Belhadj , " The Role Of Spectral Responses In The Discrimination Of Soils Surface Of Sebkha Sefioune In The North Of Ouargla (northern Algerian Sahara) By Remote Sensing ", International Journal of Latest Research in Science and Technology . Vol. 3, Issue 3, pp 215-220 , 2014

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