ANALYSIS OF DAILY PRECIPITATION IN THE STATE OF PARANÁ

Abstract

Rainfall was analyzed in daily resolution through the concentration index (CI) of Martin-Vide (2004). The 70 pluviometric series were obtained from the National Water Agency (ANA) through the HIDROWEB site. The calculation of this index was performed using the R environment, with the precintcon subroutine. The study period was from 1976 to 2015.The results showed values between 0.51 and 0.71, latitudinally increasing from
north to south in the study area. The rainfall percentage also showed a gradient with increase from north to south in the state.

Keywords: Concentration ratio, daily precipitation, exponential curve.


 


Keywords: Concentration ratio, daily precipitation, exponential curve.

Author Biographies

Beatriz Siqueira, Universidade de Campinas, Campinas (SP), Brasil

Doutora em Geografia, na área de Análise Ambiental e Dinâmica Territorial, pela Universidade Estadual de Campinas - UNICAMP. Trabalha na área de Climatologia, com interesse em bacias hidrográficas, estimativas da variabilidade da precipitação, análises geoestatísticas, concentração da precipitação, índices estatísticos aplicados à Climatologia/Meteorologia, El Niño-Oscilação Sul, mudanças climáticas e desastres/degradação ambiental. Também atua com práticas de ensino em Geografia Física e Climatologia no Ensino Básico. Atualmente é professora credenciada no Programa de Ensino Integral da Secretaria da Educação do Estado de São Paulo.

Jonas Teixeira Nery, Paulista State University

 Doutor em Meteorologia pela Universidade de Buenos Aires (1993).Foi professor adjunto - UNESP - Unidade Diferenciada Ourinhos, professor RDIDP (UNESP) Câmpus Experimental de Ourinhos. É professor colaborador do mestrado e doutorado da Universidade Estadual de Campinas. Tem experiência na área de Geociências, com ênfase em Meteorologia Aplicada, atuando principalmente nos seguintes temas: precipitação, variabilidade, anomalias, enos e bacia. É pesquisador do CNPq (nível 2). 

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Published
08/11/2019
How to Cite
SIQUEIRA, Beatriz; NERY, Jonas Teixeira. ANALYSIS OF DAILY PRECIPITATION IN THE STATE OF PARANÁ. Mercator, Fortaleza, v. 18, nov. 2019. ISSN 1984-2201. Available at: <http://www.mercator.ufc.br/mercator/article/view/e18029>. Date accessed: 03 july 2020. doi: https://doi.org/10.4215/rm2019.e18030.
Section
ARTICLES