RE-ANALYSIS OF THE RAINFALL IN SOUTHERN BRAZIL

This study examined the precipitation in Southern Brazil, based on a data set provided by the Brazilian National Water Agency (ANA), covering the period from 1976 to 2010. Data were homogenized, using the software R and the subroutine Climatol, which allowed completing missing data. Isohyets were dr...

Descripción completa

Detalles Bibliográficos
Autores: Carfan, Ana Claudia, Teixeira Nery, Jonas
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2014
País:México
Institución:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO
Repositorio:Atmósfera
Idioma:inglés
OAI Identifier:oai:ojs.pkp.sfu.ca:article/34209
Acceso en línea:https://www.revistascca.unam.mx/atm/index.php/atm/article/view/34209
Access Level:acceso abierto
Palabra clave:anomalies
variability
ENSO
rainfall
Descripción
Sumario:This study examined the precipitation in Southern Brazil, based on a data set provided by the Brazilian National Water Agency (ANA), covering the period from 1976 to 2010. Data were homogenized, using the software R and the subroutine Climatol, which allowed completing missing data. Isohyets were drawn using Geostatistics, to obtain semivariogram for each analysis. There was a remarkable variability from year to year in this region, with positive anomalies in ENSO episode (warm phase: El Niño) and negative anomalies in ENSO episode (negative phase: La Niña). Also, the responses of these variabilities were not uniform in the whole region, and there was variability from year to year and from event to event.