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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Renata Locarno Frota1, Francisco de Assis Souza Filho2, Victor Costa Porto1 and Tyhago Aragão Dias3
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DOI:10.17265/1934-7359/2020.06.004
Affiliation(s)
1. DEHA, UFC, Fortaleza, CE 60455-900, Brazil
2. Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Fortaleza, CE 60020-181, Brazil
3. Instituto Superior de Teologia Aplicada—INTA, Sobral, CE 62050-100, Brazil
ABSTRACT
Correct precipitation data are essential for a hydrological
study. However, the pluviometric stations provide us quite doubtful data. More satellites
have explored this area. Therefore, the spatial estimates of precipitation can be
extremely useful, since they present data of the whole surface, since the pluviometers
do not exist in areas of difficult access. The objective of this work is to analyze
the precipitation data obtained by the rain gauges and the Tropical Rainfall Measuring
Mission (TRMM) satellite for the Muriaé sub-basin, which belongs to the Paraíba
do Sul Basin. It was used Thissen method and free software R for the manipulation
of the data and its comparison. The results were satisfactory, showing that the
estimates of this satellite can be an alternative source of data.
KEYWORDS
Precipitation, TRMM, satellite.
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