Tropical rainfall measuring mission performance in the measurement of precipitation for the Muriaé sub-basin

Abstract

Correct precipitation data are essential for a hydrological study. However, the pluviometri c 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 fr ee 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.