INDICES DE SEVERIDADE DA SECA NO SEMIÁRIDO, PARAÍBA

DOI: https://doi.org/10.4215/rm2022.e21024

Abstract

The occurrence of annual and multiannual droughts in the Brazilian semiarid is a recurrent phenomenon that triggers a series of consequences, impacting the environment and the quality of life of the population inhabiting this region. Due to its location in the drought polygon, the Immediate Geographical Region of Monteiro – PB (REGIM does not diverge from this reality. Given the above, this research aims to correlate the DM, PNI, and RAI Severity Indices of Drought Events in the REGIM, through the historical rainfall series data, to classify the quantitative data on a monthly and annual scale and identify these cycles' Severity of Events (SDE) and consequently evaluate the variation of precipitation over time, identifying the dry and rainy periods. The research sourced monthly rainfall data from the Northeast Development Superintendence (SUDENE), National Institute of Meteorology (INMET), and Executive Agency of Water Management of Paraíba (AESA) to compose the spatial and temporal precipitation variability, which was calculated through the Normal Percentage Index – NPI (CUNHA, 2008), Decision Method – DM (GIBBS; MAHER, 1967) and Rainfall Anomaly Index – RAI (ROOY, 1965).

Keywords: Rainfall Standardization Indices – Ipp; Severity of Events – SDE; Water Resources.

Author Biographies

Maxsuel Bezerra do Nascimento, Federal University of Rio Grande do Norte, Natal (RN), Brazil

PhD student in Climate Sciences at the Federal University of Rio Grande do Norte; Master in Environmental Science and Technology from the State University of Paraíba (2022); Specialization in APPLIED HUMAN AND SOCIAL SCIENCES AND THE WORLD OF WORK at the Federal University of Piauí (2022); Specialization in NATURE SCIENCES, THEIR TECHNOLOGIES AND THE WORLD OF WORK at the Federal University of Piauí (2022); Specialist in Environmental Education and Geography of the Semiarid Region by the Federal Institute of Rio Grande do Norte (2021); Ongoing specialization in the Digital Education course at the State University of Bahia; Ongoing Specialization in the Water Resources course for the Semi-Arid Region by the Federal Institute of Education, Science and Technology of the Sertão Pernambucano; Improvement in Digital Technologies Applied to Education by the Federal Institute of Espírito Santo (2021); Bachelor in Ecology from the Federal University of Paraíba (2019); Graduating in Geoprocessing Technology at the Federal Institute of Paraíba; Currently Researcher/Collaborator of the Group for Observational Studies and Modeling of Biosphere-Atmosphere Interaction (GEOMA) at UFRN; Currently Collaborating member of the Laboratory of Geoenvironmental Analysis at UFPB Campus IV; I was a member of the Environmental Technologies Research Group (GPTecA) between the years 2020 to 2022; I was a collaborating member of PELD RIO PARAÍBA INTEGRADO between the years 2020 to 2022; I was an intern/scholarship holder at LAGEO (Laboratory of Geoenvironmental Analysis) at UFPB Campus IV from 2016 to 2019, where I worked in the research lines of Climate Variability and Water Footprint; I exercised the position of Elementary School Teacher ll teaching the disciplines of Geography, Entrepreneurship and Ethics in the year 2019; I have experience in the area of climatology, working with studies on climatological variability of municipalities, microregions, mesoregions, basins and hydrographic sub-basins; Experience with Drought Indexes; Environmental education; in database development (spreadsheets) with time series, as well as ease in Data Interpolation Software such as Golden Software Surfe, QGIS and ARCGis.

Marysol Dantas de Medeiros, Federal University of Ceará, Fortaleza (CE), Brazil

PhD in Geography from the Federal University of Ceará, in the area of Territorial and Environmental Dynamics. Degree in Geography at the Federal University of Ceará (2020.1). She works in the research groups GEORISCO-Environmental Dynamics, Risks and Land Planning, linked to the Geography Department of the Federal University of Rio Grande do Norte; as well as in the Laboratory of Geographic Climatology and Water Resources belonging to the Geography Department of the Federal University of Ceará. Postdoctoral fellow in the Graduate Program in DEVELOPMENT AND ENVIRONMENT at UFC.

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Published
15/02/2023
How to Cite
NASCIMENTO, Maxsuel Bezerra do; MEDEIROS, Marysol Dantas de. INDICES DE SEVERIDADE DA SECA NO SEMIÁRIDO, PARAÍBA. Mercator, Fortaleza, v. 21, feb. 2023. ISSN 1984-2201. Available at: <http://www.mercator.ufc.br/mercator/article/view/e21024>. Date accessed: 01 may 2025. doi: https://doi.org/10.4215/rm2022.e21024.
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