{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T21:05:21Z","timestamp":1771103121249,"version":"3.50.1"},"reference-count":73,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2024,8,2]],"date-time":"2024-08-02T00:00:00Z","timestamp":1722556800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Monitoring areas susceptible to desertification contributes to the strategic development of regions located in environments of extreme hydric and social vulnerability. Therefore, the objective of this study is to evaluate the process of soil degradation in the Desertification Nucleus of Cabrob\u00f3 (DNC) over the past three decades using remote sensing techniques. This study used primary climatic data from TerraClimate, geospatial data of land use and land cover (LULC), and vegetation indices (SAVI and LAI) via Google Earth Engine (GEE) from Landsat 5\/TM and 8\/OLI satellites, and established the aridity index (AI) from 1992 to 2022. The results indicated 10 predominant LULC classes with native vegetation suppression, particularly in agriculture and urbanization. SAVI ranged from \u22120.84 to 0.90, with high values influenced by La Ni\u00f1a episodes and increased rainfall; conversely, El Ni\u00f1o episodes worsened the rainfall regime in the DNC region. Based on the Standardized Precipitation Index (SPI), it was possible to correlate normal and severe drought events in the DNC with years under the influence of El Ni\u00f1o and La Ni\u00f1a phases. In summary, the AI images indicated that the DNC remained semi-arid and that the transition to an arid region is a cyclical and low-frequency phenomenon, occurring in specific periods and directly influenced by El Ni\u00f1o and La Ni\u00f1a phenomena. The Mann\u2013Kendall analysis showed no increasing trend in AI, with a Tau of \u22120.01 and a p-value of 0.97. During the analyzed period, there was an increase in Non-Vegetated Areas, which showed a growing trend with a Tau of 0.42 in the Mann\u2013Kendall analysis, representing exposed soil areas. Annual meteorological conditions remained within the climatic pattern of the region, with annual averages of precipitation and actual evapotranspiration (ETa) close to 450 mm and an average temperature of 24 \u00b0C, showing changes only during El Ni\u00f1o and La Ni\u00f1a events, and did not show significant increasing or decreasing trends in the Mann\u2013Kendall analysis.<\/jats:p>","DOI":"10.3390\/rs16152834","type":"journal-article","created":{"date-parts":[[2024,8,2]],"date-time":"2024-08-02T09:34:17Z","timestamp":1722591257000},"page":"2834","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Semi-Arid to Arid Scenario Shift: Is the Cabrob\u00f3 Desertification Nucleus Becoming Arid?"],"prefix":"10.3390","volume":"16","author":[{"given":"Jos\u00e9 Lucas Pereira","family":"da Silva","sequence":"first","affiliation":[{"name":"Department of Plant Production, Engineering and Agricultural Sciences Campus, Federal University of Alagoas, BR 104, SN, Rio Largo 57100-000, Alagoas, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8856-8543","authenticated-orcid":false,"given":"Francisco Bento","family":"da Silva Junior","sequence":"additional","affiliation":[{"name":"Department of Plant Production, Engineering and Agricultural Sciences Campus, Federal University of Alagoas, BR 104, SN, Rio Largo 57100-000, Alagoas, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jo\u00e3o Pedro Alves","family":"de Souza Santos","sequence":"additional","affiliation":[{"name":"Department of Plant Production, Engineering and Agricultural Sciences Campus, Federal University of Alagoas, BR 104, SN, Rio Largo 57100-000, Alagoas, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexsandro Claudio","family":"dos Santos Almeida","sequence":"additional","affiliation":[{"name":"Department of Plant Production, Engineering and Agricultural Sciences Campus, Federal University of Alagoas, BR 104, SN, Rio Largo 57100-000, Alagoas, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8355-4935","authenticated-orcid":false,"given":"Thieres George Freire","family":"da Silva","sequence":"additional","affiliation":[{"name":"Department of Plant Production, Engineering and Agricultural Sciences Campus, Federal University of Alagoas, BR 104, SN, Rio Largo 57100-000, Alagoas, Brazil"},{"name":"Academic Unit of Serra Talhada (UAST), Agrometeorology Laboratory, Federal Rural University of Pernambuco (UFRPE), Av. 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