International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2572

Full Length Research Paper

Development of an approach for mapping of features thermal and hydric of watersheds: Case of the watershed of Brezina (Northwest of Algeria)

Kheira Yamani
  • Kheira Yamani
  • Civil Engineering Department, Laboratory of Water Resource, Soil and Environment, University of Laghouat, P. O. Box: 37 G, Road of Ghardaïa, Laghouat, Algeria.
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Abdelkarim Hazzab
  • Abdelkarim Hazzab
  • University of Moulay Tahar, Saida 20000, Algeria
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Abdelrahmane Hamimed
  • Abdelrahmane Hamimed
  • University of Mustapha Stambouli, Mascara 29000, Algeria
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Mohamed Sekkoum
  • Mohamed Sekkoum
  • Civil Engineering Department, Laboratory of Water Resource, Soil and Environment, University of Laghouat, P. O. Box: 37 G, Road of Ghardaïa, Laghouat, Algeria
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  •  Received: 27 January 2015
  •  Accepted: 04 March 2015
  •  Published: 16 April 2015

Abstract

The objective of the present study is to present the parameters of the hydrological assessment of a steppe area from the data of remote sensing. ¶Adopted methodology rests on the cartography of the various parameters of the hydrous and energy balance on one year scale. ¶Several methods are used. ¶Thus, for cartography of precipitations, one uses in a combined way the relief, the distance of the sea and the exposure. ¶The second method is used for the cartography of the streaming on an each pixel scale. ¶This method utilizes a matrix which calls upon the information contained in space variability and information resulting from the first method. ¶The combination of information of precipitation and the streaming allow the development of the chart of infiltration. ¶The third method consists with the estimate of the evapotranspiration on broad scale. ¶This last method uses images AVHRR and the model of assessment of energy Surface Energy Balance Algorithm for Land (SEBAL). ¶The quality and the space precision of these cartographies using imagery NOAA AVHRR open a broad hydrological field of application and can be extended for the exploration of all the Algerian steppe area.¶
 
Key words: Balance of water¶, Brézina, mapping, surface energy balance algorithm for land (SEBAL), energy balance. 

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