CASE STUDY: IDENTIFICATION OF DESERTIFICATION IN THE YEARS 1999, 2006 AND 2011 IN MOSSORÓ-RN

Maryana Cavalcante Cordeiro, Nayara Arroxelas dos Santos, Virgínia Mirtes Alcântara Silva, Danielle de Melo Luiz, Vicente de Paulo Rodrigues da Silva

Abstract


Desertification is defined as a process of destruction of the productive potential of the land by means of the pressure exerted by human activities on fragile ecosystems, whose regeneration capacity is low. The UN classifies desertification just the damage in range located in climates semiarid, arid and sub-humid dry. This process causes three types of impacts: environmental, social and economic. The objective of this study was to evaluate the efficiency of application of the Surface Energy Balance Algorithm for Land (SEBAL) model in estimating surface albedo, temperature and vegetation index, indicators those used to assess desertification in the city of Natal, Rio Grande do Norte, making a comparison between years 1999, 2006 and 2011, having as parameter data of TM / Landsat-5. The variables studied are important weather and climate parameters in meteorological studies. The results showed that the surface albedo is increasing, temperature and vegetation index had similar behaviors in 2006, in which these two corresponded to higher values ​​than in 1999 and 2011.

 


Keywords


Remote Sensing; Desertification; Semiarid

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DOI: https://doi.org/10.29150/jhrs.v5i4.22721

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