21Jun 2017

SPECTRAL INDEXES TO DETECT LAND COVER CHANGES DUE TO THE FLOODS (MOROCCO).

  • Applied Geology, Geomatic and Environment Laboratory, Department of Geology University Hassan II of Casablanca/Faculty of Science Ben M?sik- Casablanca.
  • Geodynamics of Old Chains Laboratory, Department of Geology University Hassan II of Casablanca/Faculty of Science Ben M?sik- Casablanca.
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The objective of this study is to detect land cover changes in fact of flood risks, with using a new method, fast and efficient. This technique needs only a diachronic satellite images in input data. The variability of reflectance spectral indexes is a characteristic of land cover changes. For applying this theory, we were including four spectral indexes those look on the principal indicator for land cover changes which are (Brightness index, Color index, Salinity index and clay index). To applying this method, we choose the Souss Massa basin as a study area. In 2014, this basin especially rounded of Guelmim city was affected by floods which caused a lot of damages in different ecosystems. Another step is used in the laboratory to validate our procedure; we talk about the physic-chemical analysis of land cover taken in two different dates, before and after floods. Finally, the comparison of the spatial results with those of the physic-chemical analysis, show there is a good correlation between of all parameters.

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[I Haidara, M Hakdaoui, S Maimouni, H Mohcine and K Moustarhfer. (2017); SPECTRAL INDEXES TO DETECT LAND COVER CHANGES DUE TO THE FLOODS (MOROCCO). Int. J. of Adv. Res. 5 (Jun). 1141-1152] (ISSN 2320-5407). www.journalijar.com

haidara imane
Geomatic

DOI:

Article DOI: 10.21474/IJAR01/4521      
DOI URL: http://dx.doi.org/10.21474/IJAR01/4521

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