Climatic Aggressiveness and Precipitation Concentration in a Peruvian Amazon Basin: Alto Huallaga Interbasin

Piedra Tineo,José Luis; Cayatopa Calderon,Billy Alexis

Climatic Aggressiveness and Precipitation Concentration in a Peruvian Amazon Basin: Alto Huallaga Interbasin

dc.contributor.author	Piedra Tineo,José Luis
dc.contributor.author	Cayatopa Calderon,Billy Alexis
dc.date.accessioned	2026-01-22T19:27:12Z
dc.date.available	2026-01-22T19:27:12Z
dc.date.issued	2025-05-31
dc.description.abstract	Precipitation in the central Peruvian Amazon is characterized by being seasonal and with strong intensities during the first months of the year, leading to flooding and the subsequent collapse of the local infrastructure in provinces of San Martin, Huanuco, Pasco and La Libertad Regions of Peru, which are located within the delimitation of the Alto Huallaga Interbasin. Therefore, the objective of this research was to evaluate the climatic aggressiveness and concentration precipitation in the Amazon basin, applying three indices of aggressiveness and a precipitation concentration index (ICP), estimated from the precipitation record of the climatic stations in the study area. The results show a very high correlation between mean precipitation and altitude (R2 = 0.72) and with respect to the aggressiveness, the modified Fournier-Maule index (IFMM) was the one with the best correspondence with respect to altitude (R2 = 0.72) and mean precipitation (R2 = 0.98), however, the ICP shows moderate correlations with altitude (R2 = 0.21) and mean precipitation (R2 = 0.16). Likewise, the extreme values of the different indices were estimated for different return periods and a multiple linear regression model was developed to relate climatic aggressiveness and the ICP to estimate the mean precipitation (R2 = 0.99). Finally, it is concluded that, the Alto Huallaga Interbasin presents a very low climatic aggressiveness and the concentration of rain is moderately seasonal.
dc.format	application/pdf
dc.identifier.doi	http://www.doi.org/10.33333/RP.VOL55N2.05
dc.identifier.uri	http://hdl.handle.net/20.500.14689/1054
dc.language.iso	eng
dc.publisher	Revista Politecnica
dc.publisher.country	ES
dc.rights	info:eu-repo/semantics/openAccess
dc.rights.uri	https://creativecommons.org/licenses/by/4.0/
dc.source	Universidad Nacional de Jaén\|\|Repositorio Institucional – UNJ
dc.subject	climatic aggressiveness
dc.subject	altitude
dc.subject	Amazon basin
dc.subject	mean precipitation
dc.subject.ocde	https://purl.org/pe-repo/ocde/ford#2.01.01
dc.title	Climatic Aggressiveness and Precipitation Concentration in a Peruvian Amazon Basin: Alto Huallaga Interbasin
dc.type	info:eu-repo/semantics/article
dc.type.version	info:eu-repo/semantics/publishedVersion
renati.author.dni	45376157
renati.author.dni	44936232